DE1173337B - Photographic layers for the silver color bleaching process - Google Patents
Photographic layers for the silver color bleaching processInfo
- Publication number
- DE1173337B DE1173337B DEC31611A DEC0031611A DE1173337B DE 1173337 B DE1173337 B DE 1173337B DE C31611 A DEC31611 A DE C31611A DE C0031611 A DEC0031611 A DE C0031611A DE 1173337 B DE1173337 B DE 1173337B
- Authority
- DE
- Germany
- Prior art keywords
- parts
- bleaching process
- photographic layers
- silver
- dyes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910052709 silver Inorganic materials 0.000 title claims description 14
- 239000004332 silver Substances 0.000 title claims description 14
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims description 12
- 238000004061 bleaching Methods 0.000 title claims description 11
- 238000000034 method Methods 0.000 title claims description 10
- 239000000975 dye Substances 0.000 claims description 23
- 125000005337 azoxy group Chemical group [N+]([O-])(=N*)* 0.000 claims description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 4
- 239000000987 azo dye Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 108010010803 Gelatin Proteins 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 4
- 229920000159 gelatin Polymers 0.000 description 4
- 239000008273 gelatin Substances 0.000 description 4
- 235000019322 gelatine Nutrition 0.000 description 4
- 235000011852 gelatine desserts Nutrition 0.000 description 4
- -1 nitroazo Chemical group 0.000 description 4
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229940101006 anhydrous sodium sulfite Drugs 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 125000000751 azo group Chemical group [*]N=N[*] 0.000 description 2
- 229910000365 copper sulfate Inorganic materials 0.000 description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 2
- 235000019345 sodium thiosulphate Nutrition 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- ZVNPWFOVUDMGRP-UHFFFAOYSA-N 4-methylaminophenol sulfate Chemical compound OS(O)(=O)=O.CNC1=CC=C(O)C=C1.CNC1=CC=C(O)C=C1 ZVNPWFOVUDMGRP-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000005749 Copper compound Substances 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical group O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- CIUQDSCDWFSTQR-UHFFFAOYSA-N [C]1=CC=CC=C1 Chemical compound [C]1=CC=CC=C1 CIUQDSCDWFSTQR-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 1
- 229910001864 baryta Inorganic materials 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 150000001880 copper compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 150000002357 guanidines Chemical class 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000001397 quillaja saponaria molina bark Substances 0.000 description 1
- 229930182490 saponin Natural products 0.000 description 1
- 150000007949 saponins Chemical class 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B45/00—Complex metal compounds of azo dyes
- C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
- C09B45/24—Disazo or polyazo compounds
- C09B45/28—Disazo or polyazo compounds containing copper
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B27/00—Preparations in which the azo group is formed in any way other than by diazotising and coupling, e.g. oxidation
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B43/00—Preparation of azo dyes from other azo compounds
- C09B43/08—Preparation of azo dyes from other azo compounds by reduction
- C09B43/085—Preparation of azo dyes from other azo compounds by reduction by reacting nitro azo dyes with amine or amino azo dye with nitro compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B43/00—Preparation of azo dyes from other azo compounds
- C09B43/08—Preparation of azo dyes from other azo compounds by reduction
- C09B43/10—Preparation of azo dyes from other azo compounds by reduction with formation of a new azo or an azoxy bridge
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
- G03C7/28—Silver dye bleach processes; Materials therefor; Preparing or processing such materials
- G03C7/29—Azo dyes therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Paper (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Description
Internat. Kl.: G 03 cBoarding school Class: G 03 c
DEUTSCHESGERMAN
PATENTAMTPATENT OFFICE
AUSLEGESCHRIFTEDITORIAL
Deutsche Kl.: 57 b-14/02 German class: 57 b -14/02
Nummer:
Aktenzeichen:
Anmeldetag:
Auslegetag:Number:
File number:
Registration date:
Display day:
C31611IXa/57b
6. Dezember 1963
2.JuIi 1964C31611IXa / 57b
December 6, 1963
July 2, 1964
Gegenstand des Hauptpatentes sind photographische Schichten für das Silberfarbbleichverfahren, die mit solchen Farbstoffen gefärbt sind, welche mindestens eine Azoxygruppe enthalten. Die im Hauptpatent behandelten Farbstoffe sind hauptsächlich für farbphotographische Zwecke bestimmt und daher von bunter Farbe, wie Gelb, Rot oder Blau.The main patent relates to photographic layers for the silver dye bleaching process, which are colored with such dyes which contain at least one azoxy group. The in Main patent-treated dyes are primarily intended for color photographic purposes and therefore of a bright color, such as yellow, red or blue.
Es wurde nun gefunden, daß auch mit gewissen Farbstoffen, die graue bis schwarze Töne ergeben, wertvolle Ergebnisse erzielt werden können. Gegenstand der Erfindung sind demgemäß mit grauen Azoxyfarbstoffen gefärbte photographische Schichten für das Silberfarbbleichverfahren, und diese grauen Farbstoffe entsprechen der FormelIt has now been found that even with certain dyes that produce gray to black tones, valuable results can be achieved. The invention accordingly relates to gray Photographic layers dyed with azoxy dyes for the silver dye bleaching process, and these are gray Dyes correspond to the formula
NH-R (1) NH-R (1)
worin R einen monocyclischen Benzolrest bedeutet. Diese Azoxyfarbstoffe, von denen einzelne an sich bekannt sind, lassen sich durch Kupplung in alkalischem Medium von diazotierten! 5-Nitro-2-amino-1-oxybenzol mit einer 2-Phenylamino-8-oxynaphthalin-6-sulfonsäure der Formelwherein R is a monocyclic benzene radical. These azoxy dyes, some of which are in themselves are known, can be diazotized by coupling in an alkaline medium! 5-nitro-2-amino-1-oxybenzene with a 2-phenylamino-8-oxynaphthalene-6-sulfonic acid the formula
OHOH
R-HNR-HN
SO3HSO 3 H
(2)(2)
worin R die angegebene Bedeutung hat, Kondensation der Nitroazofarbstoffe unter Bildung einer Azoxygruppe aus zwei Nitrogruppen und Kupferung herstellen. Die hierbei als Azokomponenten dienenden 2-Phenylamino-8-oxynaphthalin-6-sulfonsäuren können im Phenylrest noch weitere Substituenten aufweisen, ζ. B. Halogenatome wie Chlor, Alkylgruppen wie Methyl, Alkoxygruppen wie Methoxy, saure Photographische Schichten für das Silberfarbbleichverfahren wherein R has the meaning given, condensation of the nitroazo dyes to form a Create an azoxy group from two nitro groups and coppering. The here used as azo components 2-Phenylamino-8-oxynaphthalene-6-sulfonic acids can have further substituents in the phenyl radical, ζ. B. halogen atoms such as chlorine, alkyl groups such as methyl, alkoxy groups such as methoxy, acidic Photographic layers for the silver dye bleaching process
Zusatz zum Patent: 1 121 469Addition to the patent: 1 121 469
Anmelder:Applicant:
CIBA Aktiengesellschaft, Basel (Schweiz)CIBA Aktiengesellschaft, Basel (Switzerland)
Vertreter:Representative:
Dr.-Ing. F. Wuesthoff, Dipl.-Ing. G. Puls undDr.-Ing. F. Wuesthoff, Dipl.-Ing. G. Pulse and
Dipl.-Chem. Dr. rer. nat. E. Frhr. v. Pechmann,Dipl.-Chem. Dr. rer. nat. E. Frhr. v. Bad luck man,
Patentanwälte, München 9, Schweigerstr. 2Patent Attorneys, Munich 9, Schweigerstr. 2
Als Erfinder benannt:Named as inventor:
Dr. Walter Anderau, Aesch (Schweiz)Dr. Walter Anderau, Aesch (Switzerland)
Beanspruchte Priorität:Claimed priority:
Schweiz vom 7. Dezember 1962 (14 421)Switzerland of 7 December 1962 (14 421)
wasserlöslichmachende Gruppen wie Carbonsäuregruppen, Carboxymethoxygruppen (HOOC-CH2-O-) oder insbesondere Sulfonsäuregruppen. Als Beispiele seien genannt:water-solubilizing groups such as carboxylic acid groups, carboxymethoxy groups (HOOC-CH2-O-) or especially sulfonic acid groups. Examples are:
2-Phenylamino-8-oxynaphthalin-6-sulfonsäure-2-phenylamino-8-oxynaphthalene-6-sulfonic acid
4'-carbonsäure,
2-Phenylamino-8-oxynaphthalin-4'-carboxylic acid,
2-phenylamino-8-oxynaphthalene-
6,3'disulfonsäure,
2-Phenylamino-8-oxynaphthalin-6-sulfonsäure.6,3'disulfonic acid,
2-phenylamino-8-oxynaphthalene-6-sulfonic acid.
Die photographischen Schichten, welche die Azoxyfarbstoffe der eingangs angegebenen Formel (1) enthalten, können im übrigen die übliche Zusammensetzung aufweisen und in an sich bekannter Weise hergestellt werden. Die Schichtträger für die Silber-The photographic layers which contain the azoxy dyes of the formula (1) given at the outset, can otherwise have the usual composition and in a manner known per se getting produced. The substrate for the silver
.5 halogenidschichten können z. B. aus Glas sein für Duplikatpositive, sie können aus Celluloseestern bestehen, ferner kommen opak weißpigmentierte Filme, Barytpapiere oder reflektierende Träger in Betracht. Nach dem üblichen Silberfarbbleichverfahren erhält man beim Kopieren einer transparenten farbigen Bildvorlage auf eine gefärbte, Silberhalogenid enthaltende Gelatineschicht eine positive Kopie. Ver-.5 halide layers can e.g. B. be made of glass for duplicate positives, they can consist of cellulose esters, furthermore, opaque white pigmented films, baryta papers or reflective supports come into consideration. According to the usual silver dye bleaching process, a transparent colored one is obtained when copying Original image on a colored gelatin layer containing silver halide, a positive copy. Ver
409 628/250409 628/250
wendet man nun im Silberfarbbleichverfahren mit transparenten Farbstoffen schwarzgefärbtes Kopiermaterial, so erhält man in einfacher Weise von schwarzweißen Bildvorlagen positive (gleichgerichtete) Kopien. Kopiert man farbige positive Vorlagen auf derartige, gegebenenfalls für die betreffende Farbe sensibilisierte, transparent schwarzgefärbte Silberhalogenidschichten, so erhält man positive Kopien der farbigen Vorlagen in schwarzweißer Ausführung und abgestuften Grautönen. Zur Erzeugung solcher Kopien eignen sich nun die Azoxyfarbstoffe der Formel (1) besonders gut.if you now apply black-colored copy material in the silver color bleaching process with transparent dyes, in this way you can easily get positive (rectified) Copies. If you copy colored positive originals on such, possibly for the color in question sensitized, transparent black colored silver halide layers, in this way positive copies of the colored originals are obtained in black and white and graded gray tones. To generate such The azoxy dyes of the formula (1) are particularly suitable for copies.
An die schwarzfärbenden Farbstoffe werden nämlich beim Silberfarbbleichverfahren hohe Ansprüche gestellt. So müssen sie eine hohe Lichtechtheit aufweisen und zu neutralen Grautönen gebleicht werden können. Sie müssen diffusionsecht sein oder zumindest mit Fällmitteln, z. B. Guanidinen, diffusionsecht gemacht werden können. Die Farbstoffe der Formel (1) erfüllen diese Forderungen weitgehend. Überdies werden mit Azoxygruppen im Vergleich zu Azogruppen infolge Mehrverbrauches an Bleichsilber flachere Gradationen erzielt, wie schon im Hauptpatent ausgeführt wurde.The silver dye bleaching process places high demands on the black coloring dyes posed. They must have a high degree of lightfastness and be bleached to neutral gray tones can. You must be resistant to diffusion or at least with precipitants, z. B. guanidines, fast to diffusion can be made. The dyes of the formula (1) largely meet these requirements. In addition, with azoxy groups compared to azo groups as a result of increased consumption of bleaching silver achieved flatter gradations, as already stated in the main patent.
Im Verlaufe des Bleichprozesses werden sehr stark saure Bäder angewendet, weshalb die kupferhaltigen Farbstoffe teilweise entkupfert werden. Es empfiehlt sich deshalb, die Farbstoffe am Schluß des Bleichprozesses in schwach saurem bis alkalischem Medium mit kupferabgebenden Mitteln zu behandeln, damit sie wieder vollständig in Form der komplexen Kupferverbindungen vorliegen.In the course of the bleaching process, very strongly acidic baths are used, which is why the copper-containing ones Dyes are partially decoppered. It is therefore advisable to add the dyes at the end of the bleaching process to treat in a weakly acidic to alkaline medium with copper-releasing agents, so they are completely back in the form of the complex copper compounds.
ι? Im nachfolgenden Beispiel bedeuten die Teile, sofern nichts anderes bemerkt wird, Gewichtsteile, die Prozente Gewichtsprozente, und die Temperaturen sind in Celsiusgraden angegeben.ι? In the following example the parts mean unless otherwise noted, parts by weight, percentages percentages by weight, and temperatures are given in degrees Celsius.
Beispiel 1 Man löst 2 Teile des salzfreien kupferhaltigen Farbstoffes der Formelexample 1 2 parts of the salt-free copper-containing dye of the formula are dissolved
HO3S O Cu O O Cu — OHO 3 SO Cu OO Cu - O
SO3HSO 3 H
HNHN
N=N SO3HN = N SO 3 H
N=NN = N
N=NN = N
HOySHOyS
NHNH
in 100 Teilen Wasser von 40' und vermischt die Lösung mit einer Zubereitung, die man durch Quellenlassen von 15 bis 30 Teilen Gelatine in 300 bis 600 Teilen Wasser und Schmelzen bei 40° erhalten hat. Die Gelatinemenge richtet sich nach dem Träger, auf welchen man die fertige Emulsion vergießt. Zu dieser Farbgelatine gibt man 300 bis 600 Teile einer Silberbromidemulsion, die orthochromatisch oder panchromatisch sensibilisiert sein kann. Weiterhin können zu dieser Gießmasse Wasser zur Herabsetzung der Viskosität, wässerige Lösungen von Ausbeutungs- und Verteilungsmitteln, z. B. Saponin, und/oder wässerige Lösungen von Härtungsmitteln zugesetzt werden.in 100 parts of water of 40 'and mixes the solution with a preparation that you through Swelling 15 to 30 parts of gelatin in 300 to 600 parts of water and melting at 40 ° Has. The amount of gelatin depends on the carrier on which the finished emulsion is poured. 300 to 600 parts of an orthochromatic silver bromide emulsion are added to this color gelatin or panchromatically sensitized. Furthermore, water can be added to this casting compound to reduce viscosity, aqueous solutions of exploitation and distribution agents, z. B. saponin, and / or aqueous solutions of hardening agents are added.
10 ecm einer so hergestellten Emulsion werden auf eine Glasplatte vom Format i3-18cm vergossen und getrocknet. Danach belichtet man unter einem schwarzweißen positiven Bild und entwickelt das Silberbild in einem Bad, das in 1000 Teilen Wasser 80 Teile wasserfreies Natriumsulfit, 55 Teile wasserfreies Natriumcarbonat, 20 Teile Natriumborat und 8 Teile N-Methyl-p-aminophenolsulfat enthält. Die Entwicklungsdauer beträgt 4 bis 6 Minuten. Es wird kurz gewässert und 5 Minuten fixiert in einem Bad, das 200 Teile Natriumthiosulfat in 1000 Teilen Wasser gelöst enthält. Es wird wiederum 5 Minuten gewässert.10 ecm of an emulsion prepared in this way are poured onto a glass plate of the format i3-18cm and dried. Then you expose under a black and white positive image and develop that Silver picture in a bath containing 80 parts of anhydrous sodium sulfite and 55 parts of anhydrous sodium sulfite in 1000 parts of water Contains sodium carbonate, 20 parts of sodium borate and 8 parts of N-methyl-p-aminophenol sulfate. the Development time is 4 to 6 minutes. It is briefly watered and fixed in a bath for 5 minutes, containing 200 parts of sodium thiosulfate dissolved in 1000 parts of water. It is watered again for 5 minutes.
Im folgenden Farbbleichbad, das in 1000 Teilen Wasser 60 Teile 32%ige Salzsäure, 10 Teile Kaliumbromid. 6 Teile Thioharnstoff und 0,001 bis 0,002Teile 2-Amino-3-oxyphenazin gelöst enthält, wird 2 bis 5 Minuten gebleicht. Nach einer Wässerung von 5 Minuten wird das nicht verbrauchte Bildsilber durch ein Bad. das in 1000 Teilen Wasser 60 Teile krist. Kupfersulfat, 60 Teile Kaliumbromid und 20 Teile 32°/oige Salzsäure enthält, in 3 bis 5 Minuten in Silberbromid übergeführt.In the following dye bleach bath, in 1000 parts of water, 60 parts of 32% hydrochloric acid and 10 parts of potassium bromide. 6 parts of thiourea and 0.001 to 0.002 parts Contains 2-amino-3-oxyphenazine in solution, is bleached for 2 to 5 minutes. After soaking The unused image silver is 5 minutes in a bath. 60 parts in 1000 parts of water Krist. Copper sulfate, 60 parts of potassium bromide and 20 parts of 32% hydrochloric acid, in 3 to 5 minutes converted into silver bromide.
Nach einer kurzen Zwischenwässerung wird in einem Bad, das in 1000 Teilen Wasser 100 Teile Natriumthiosulfat enthält, in 5 Minuten fixiert und dann gewässert. Das Bild wird nun noch 5 Minuten in einem Bad nachbehandelt, das in 1000 Teilen Wasser 25 Teile Kupfersulfat enthält. Danach folgt die Schlußwässerung von 3 bis 5 Minuten Dauer.After a short intermediate wash, 100 parts are added to a bath containing 1000 parts of water Contains sodium thiosulfate, fixed in 5 minutes and then watered. The picture will now be 5 minutes aftertreated in a bath containing 25 parts of copper sulfate in 1000 parts of water. Then follows the final soak lasting 3 to 5 minutes.
Man erhält ein positives schwarzweißes Bild, ein Duplikat des Originals mii blaustichigen Schwarztönen und blaustichiggrauen Mitteltönen. Das Bild zeichnet sich durch hohe Transparenz der Graustufen und durch Kornfreiheit aus. Verwendet man eine panchromatisch sensibilisierte Emulsion, so können von farbigen positiven Durchsichtsbildern positive Schwarzweißkopien erhalten werden.A positive black and white image is obtained, a duplicate of the original with bluish black tones and bluish gray mid-tones. The picture is characterized by the high transparency of the grayscale and through the absence of grain. If a panchromatically sensitized emulsion is used, then positive black and white copies are obtained from colored positive transparencies.
Claims (2)
HO3SN = N
HO 3 S
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH270060A CH386247A (en) | 1960-03-09 | 1960-03-09 | Photographic layer for the silver dye bleaching process |
| CH1442062A CH415295A (en) | 1960-03-09 | 1962-12-07 | Photographic layer for the silver dye bleaching process |
| CH1442162A CH415296A (en) | 1960-03-09 | 1962-12-07 | Photographic layer for the silver dye bleaching process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1173337B true DE1173337B (en) | 1964-07-02 |
Family
ID=27173858
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEC23591A Pending DE1121469B (en) | 1960-03-09 | 1961-03-08 | Photographic layers for the silver dye bleaching process |
| DEC31610A Pending DE1174613B (en) | 1960-03-09 | 1963-12-06 | Photographic layers for the silver color bleaching process |
| DEC31611A Pending DE1173337B (en) | 1960-03-09 | 1963-12-06 | Photographic layers for the silver color bleaching process |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEC23591A Pending DE1121469B (en) | 1960-03-09 | 1961-03-08 | Photographic layers for the silver dye bleaching process |
| DEC31610A Pending DE1174613B (en) | 1960-03-09 | 1963-12-06 | Photographic layers for the silver color bleaching process |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3211556A (en) |
| BE (3) | BE640911A (en) |
| CH (3) | CH415296A (en) |
| DE (3) | DE1121469B (en) |
| FR (3) | FR1290363A (en) |
| GB (3) | GB923265A (en) |
| NL (1) | NL262127A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE630637A (en) * | 1962-04-10 | |||
| GB1077484A (en) * | 1964-06-02 | 1967-07-26 | Ciba Ltd | Photographic materials for the silver dyestuff bleaching process |
| US4235957A (en) * | 1979-01-25 | 1980-11-25 | Eastman Kodak Company | Thermal silver-dye bleach element and process |
| DE2948022A1 (en) * | 1979-11-29 | 1981-06-04 | Bayer Ag, 5090 Leverkusen | POLYAZO DYES, METHOD FOR THEIR PRODUCTION AND THEIR USE FOR COLORING VEGETABILIC FIBER MATERIALS AND LEATHER |
| EP0043792B1 (en) * | 1980-06-03 | 1986-03-05 | Ciba-Geigy Ag | Dyeing paper |
| CH654588A5 (en) * | 1981-12-31 | 1986-02-28 | Sandoz Ag | METALIZED STYLENE AZO COMPOUNDS, METHOD FOR PRODUCING AND USE. |
| US20090246529A1 (en) | 2008-03-28 | 2009-10-01 | Conopco, Inc., D/B/A Unilever | Particle with Bipolar Topospecific Characteristics and Process for Preparation Thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2987513A (en) * | 1958-01-31 | 1961-06-06 | Bayer Ag | Azo dyestuffs and process for their manufacture |
| US3148062A (en) * | 1959-04-06 | 1964-09-08 | Eastman Kodak Co | Photographic elements and processes using splittable couplers |
-
0
- NL NL262127D patent/NL262127A/xx unknown
- BE BE601095D patent/BE601095A/xx unknown
-
1961
- 1961-03-07 FR FR854756A patent/FR1290363A/en not_active Expired
- 1961-03-08 DE DEC23591A patent/DE1121469B/en active Pending
- 1961-03-09 GB GB8681/61A patent/GB923265A/en not_active Expired
-
1962
- 1962-12-07 CH CH1442162A patent/CH415296A/en unknown
- 1962-12-07 CH CH1442062A patent/CH415295A/en unknown
-
1963
- 1963-10-09 GB GB39870/63A patent/GB1002345A/en not_active Expired
- 1963-10-09 GB GB39871/63A patent/GB999996A/en not_active Expired
- 1963-11-25 FR FR954919A patent/FR84794E/en not_active Expired
- 1963-11-25 FR FR954918A patent/FR84793E/en not_active Expired
- 1963-12-06 BE BE640911A patent/BE640911A/xx unknown
- 1963-12-06 BE BE640912A patent/BE640912A/xx unknown
- 1963-12-06 DE DEC31610A patent/DE1174613B/en active Pending
- 1963-12-06 DE DEC31611A patent/DE1173337B/en active Pending
-
1964
- 1964-02-27 CH CH240464A patent/CH431272A/en unknown
- 1964-03-13 US US351839A patent/US3211556A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB1002345A (en) | 1965-08-25 |
| BE601095A (en) | |
| DE1121469B (en) | 1962-01-04 |
| GB999996A (en) | 1965-07-28 |
| NL262127A (en) | |
| BE640911A (en) | 1964-06-08 |
| DE1174613B (en) | 1964-07-23 |
| CH415296A (en) | 1966-06-15 |
| CH431272A (en) | 1967-02-28 |
| US3211556A (en) | 1965-10-12 |
| BE640912A (en) | 1964-06-08 |
| FR84793E (en) | 1965-04-16 |
| FR1290363A (en) | 1962-04-13 |
| GB923265A (en) | 1963-04-10 |
| FR84794E (en) | 1965-04-16 |
| CH415295A (en) | 1966-06-15 |
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