BR7100773D0 - PERFECTING IN A DIRECT POSITIVE SILVER HALOGENIDE EMULSION AND A PERFECT PROCESS TO PREPARE A PHOTOGRAPHIC ELEMENT - Google Patents

PERFECTING IN A DIRECT POSITIVE SILVER HALOGENIDE EMULSION AND A PERFECT PROCESS TO PREPARE A PHOTOGRAPHIC ELEMENT

Info

Publication number
BR7100773D0
BR7100773D0 BR773/71A BR77371A BR7100773D0 BR 7100773 D0 BR7100773 D0 BR 7100773D0 BR 773/71 A BR773/71 A BR 773/71A BR 77371 A BR77371 A BR 77371A BR 7100773 D0 BR7100773 D0 BR 7100773D0
Authority
BR
Brazil
Prior art keywords
perfecting
prepare
photographic element
direct positive
positive silver
Prior art date
Application number
BR773/71A
Other languages
Portuguese (pt)
Inventor
E Chang
Original Assignee
Eastman Kodak Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of BR7100773D0 publication Critical patent/BR7100773D0/en

Links

Classifications

    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/485—Direct positive emulsions
    • G03C1/48515—Direct positive emulsions prefogged

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
BR773/71A 1970-02-16 1971-01-29 PERFECTING IN A DIRECT POSITIVE SILVER HALOGENIDE EMULSION AND A PERFECT PROCESS TO PREPARE A PHOTOGRAPHIC ELEMENT BR7100773D0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1183770A 1970-02-16 1970-02-16

Publications (1)

Publication Number Publication Date
BR7100773D0 true BR7100773D0 (en) 1973-04-26

Family

ID=21752187

Family Applications (1)

Application Number Title Priority Date Filing Date
BR773/71A BR7100773D0 (en) 1970-02-16 1971-01-29 PERFECTING IN A DIRECT POSITIVE SILVER HALOGENIDE EMULSION AND A PERFECT PROCESS TO PREPARE A PHOTOGRAPHIC ELEMENT

Country Status (10)

Country Link
US (1) US3672903A (en)
JP (1) JPS5142488B1 (en)
AU (1) AU2544871A (en)
BE (1) BE762988A (en)
BR (1) BR7100773D0 (en)
CA (1) CA976023A (en)
CH (1) CH527440A (en)
DE (1) DE2107119C3 (en)
FR (1) FR2078584A5 (en)
GB (1) GB1338433A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1480241A (en) * 1974-04-03 1977-07-20 Agfa Gevaert Direct-positive silver halide emulsions
GB1513140A (en) * 1974-09-30 1978-06-07 Agfa Gevaert Direct-positive silver halide emulsions
DE2641284C2 (en) * 1976-09-14 1986-05-07 Agfa-Gevaert Ag, 5090 Leverkusen Process for stabilizing photographic silver halide emulsion layers
JPS53134430A (en) * 1977-04-27 1978-11-24 Mitsubishi Paper Mills Ltd Silver halide photosensitive materials for multiilayer color photograph
US4247617A (en) * 1979-05-11 1981-01-27 Polaroid Corporation Silver diffusion transfer film unit transparency
JPS6055822B2 (en) * 1982-04-26 1985-12-06 コニカ株式会社 Direct positive silver halide photographic material

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE498287A (en) * 1949-09-24
GB723019A (en) * 1952-02-05 1955-02-02 Gevaert Photo Prod Nv Improvements in or relating to the manufacture of photographic material
CH472050A (en) * 1966-03-11 1969-04-30 Kodak Sa Photographic emulsion for direct positive

Also Published As

Publication number Publication date
GB1338433A (en) 1973-11-21
AU2544871A (en) 1972-08-17
JPS5142488B1 (en) 1976-11-16
DE2107119B2 (en) 1978-08-24
FR2078584A5 (en) 1971-11-05
CA976023A (en) 1975-10-14
DE2107119A1 (en) 1971-09-02
DE2107119C3 (en) 1979-04-26
BE762988A (en) 1971-07-16
US3672903A (en) 1972-06-27
CH527440A (en) 1972-08-31

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