FR735718A - Process for preparing and fixing photographic layers obtained with dazosulphonates - Google Patents

Process for preparing and fixing photographic layers obtained with dazosulphonates

Info

Publication number
FR735718A
FR735718A FR735718DA FR735718A FR 735718 A FR735718 A FR 735718A FR 735718D A FR735718D A FR 735718DA FR 735718 A FR735718 A FR 735718A
Authority
FR
France
Prior art keywords
dazosulphonates
preparing
layers obtained
photographic layers
fixing photographic
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Philippe Frangialli
Robert Lantz
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 filed Critical
Application granted granted Critical
Publication of FR735718A publication Critical patent/FR735718A/en
Expired legal-status Critical Current

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
    • G03C1/52—Compositions containing diazo compounds as photosensitive substances
    • G03C1/56—Diazo sulfonates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR735718D 1931-07-21 1931-07-21 Process for preparing and fixing photographic layers obtained with dazosulphonates Expired FR735718A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR735718T 1931-07-21

Publications (1)

Publication Number Publication Date
FR735718A true FR735718A (en) 1932-11-14

Family

ID=9130670

Family Applications (1)

Application Number Title Priority Date Filing Date
FR735718D Expired FR735718A (en) 1931-07-21 1931-07-21 Process for preparing and fixing photographic layers obtained with dazosulphonates

Country Status (1)

Country Link
FR (1) FR735718A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2571670A (en) * 1946-01-21 1951-10-16 Hartford Nat Bank & Trust Co Method of producing photographic contrasts
US2571671A (en) * 1946-01-18 1951-10-16 Hartford Nat Bank & Trust Co Process of producing photographic contrasts
US2588218A (en) * 1946-06-01 1952-03-04 Hartford Nat Bank & Trust Co Method of drying photographic material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2571671A (en) * 1946-01-18 1951-10-16 Hartford Nat Bank & Trust Co Process of producing photographic contrasts
US2571670A (en) * 1946-01-21 1951-10-16 Hartford Nat Bank & Trust Co Method of producing photographic contrasts
US2588218A (en) * 1946-06-01 1952-03-04 Hartford Nat Bank & Trust Co Method of drying photographic material

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