GB603276A - Photographic developers - Google Patents

Photographic developers

Info

Publication number
GB603276A
GB603276A GB34021/45A GB3402145A GB603276A GB 603276 A GB603276 A GB 603276A GB 34021/45 A GB34021/45 A GB 34021/45A GB 3402145 A GB3402145 A GB 3402145A GB 603276 A GB603276 A GB 603276A
Authority
GB
United Kingdom
Prior art keywords
prepared
reducing
hydrochloride
ethyl
acid
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
GB34021/45A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GAF Chemicals Corp
Original Assignee
General Aniline and Film Corp
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 General Aniline and Film Corp filed Critical General Aniline and Film Corp
Publication of GB603276A publication Critical patent/GB603276A/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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/29—Development processes or agents therefor
    • G03C5/305—Additives other than developers
    • G03C5/3056—Macromolecular additives
    • 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
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/407—Development processes or agents therefor
    • G03C7/413—Developers
    • G03C7/4136—Developers p-Phenylenediamine or derivatives thereof

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
GB34021/45A 1945-01-27 1945-12-15 Photographic developers Expired GB603276A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US574973A US2414491A (en) 1945-01-27 1945-01-27 Photographic developer

Publications (1)

Publication Number Publication Date
GB603276A true GB603276A (en) 1948-06-11

Family

ID=24298383

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34021/45A Expired GB603276A (en) 1945-01-27 1945-12-15 Photographic developers

Country Status (7)

Country Link
US (1) US2414491A (un)
BE (1) BE465025A (un)
CH (2) CH258610A (un)
DE (1) DE827900C (un)
ES (1) ES172755A1 (un)
FR (1) FR923784A (un)
GB (1) GB603276A (un)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2575027A (en) * 1949-10-29 1951-11-13 Gen Aniline & Film Corp N-substituted 4, 6-diamino metanilic acids
US2611785A (en) * 1952-09-23 N-substituted x

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515121A (en) * 1945-11-08 1950-07-11 Gen Aniline & Film Corp Process for preventing stains in photographic color material by treatment with basic acids immediately prior to drying
US2515122A (en) * 1945-12-03 1950-07-11 Gen Aniline & Film Corp Process for preventing stains in photographic color material by the use of a fixing bath-consisting of water, an alkali sulfite, and a fixing agent
US2486440A (en) * 1946-01-10 1949-11-01 Gen Aniline & Film Corp Production of phenazonium dyestuff images
US2507114A (en) * 1946-08-21 1950-05-09 Du Pont Aryl azo methine sulfonic acids
US2445252A (en) * 1947-04-10 1948-07-13 Gen Aniline & Film Corp Photographic elements containing urethanes of nu-substituted j acids as color formers
US2566271A (en) * 1947-05-23 1951-08-28 Eastman Kodak Co Photographic developer containing substituted sulfonamide groups
US2449919A (en) * 1947-07-05 1948-09-21 Eastman Kodak Co 3-methylsulfonamido-4-amino dimethyl aniline photographic developer
BE488697A (un) * 1948-05-06
BE490160A (un) * 1948-07-15
BE490161A (un) * 1948-07-15
BE492847A (un) * 1948-12-22
US2594917A (en) * 1949-12-16 1952-04-29 Gen Aniline & Film Corp Suppression of proximity development with azine color developers
US2612500A (en) * 1950-03-29 1952-09-30 Du Pont N (p-aminophenyl) hexamethylenimines
US2656272A (en) * 1950-11-30 1953-10-20 Gen Aniline & Film Corp Stabilized azine photographic developers containing sodium metaborate as the sole alkali
US3158482A (en) * 1961-07-28 1964-11-24 Lucas Christopher Dry photographic processing formulation
BE652532A (un) * 1963-09-03 1964-12-16
JP3312629B2 (ja) * 1991-01-23 2002-08-12 日産化学工業株式会社 アニリン誘導体及び製法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2611785A (en) * 1952-09-23 N-substituted x
US2575027A (en) * 1949-10-29 1951-11-13 Gen Aniline & Film Corp N-substituted 4, 6-diamino metanilic acids

Also Published As

Publication number Publication date
DE827900C (de) 1952-01-14
BE465025A (un)
ES172755A1 (es) 1946-12-01
FR923784A (fr) 1947-07-17
CH263050A (de) 1949-08-15
US2414491A (en) 1947-01-21
CH258610A (de) 1948-12-15

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