US2414491A - Photographic developer - Google Patents

Photographic developer Download PDF

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Publication number
US2414491A
US2414491A US574973A US57497345A US2414491A US 2414491 A US2414491 A US 2414491A US 574973 A US574973 A US 574973A US 57497345 A US57497345 A US 57497345A US 2414491 A US2414491 A US 2414491A
Authority
US
United States
Prior art keywords
parts
developer
color
solution
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 - Lifetime
Application number
US574973A
Other languages
English (en)
Inventor
Tulagin Vsevolod
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
Priority to BE465025D priority Critical patent/BE465025A/xx
Application filed by General Aniline and Film Corp filed Critical General Aniline and Film Corp
Priority to US574973A priority patent/US2414491A/en
Priority to GB34021/45A priority patent/GB603276A/en
Priority to CH263050D priority patent/CH263050A/de
Priority to CH258610D priority patent/CH258610A/de
Priority to ES172755A priority patent/ES172755A1/es
Priority to FR923784D priority patent/FR923784A/fr
Application granted granted Critical
Publication of US2414491A publication Critical patent/US2414491A/en
Priority to DEP29355A priority patent/DE827900C/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/29Development processes or agents therefor
    • G03C5/305Additives other than developers
    • G03C5/3056Macromolecular additives
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/407Development processes or agents therefor
    • G03C7/413Developers
    • G03C7/4136Developers p-Phenylenediamine or derivatives thereof

Definitions

  • the developers herein described may be utilized to develop negative film, positive film, re-
  • Example 4 A solution of 20 parts of l-ethyl-B-nitro iso 'indazole (prepared by the method of Witt-Noeltig and Grandmaugen, Ber., 23, 3640) in 200 parts of ethyl alcohol is treated with .2-.3 part of platinum oxide catalyst and reduced with hydrogen at 60 pounds gauge pressure until no more hydrogen is taken up.

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)
US574973A 1945-01-27 1945-01-27 Photographic developer Expired - Lifetime US2414491A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
BE465025D BE465025A (en)) 1945-01-27
US574973A US2414491A (en) 1945-01-27 1945-01-27 Photographic developer
GB34021/45A GB603276A (en) 1945-01-27 1945-12-15 Photographic developers
CH258610D CH258610A (de) 1945-01-27 1946-02-27 Verfahren zur Herstellung von Farbstoffbildern.
CH263050D CH263050A (de) 1945-01-27 1946-02-27 Photographischer Entwickler.
ES172755A ES172755A1 (es) 1945-01-27 1946-03-02 Un procedimiento de producir imágenes en color
FR923784D FR923784A (fr) 1945-01-27 1946-03-13 Révélateurs pour la photographie et procédé pour l'obtention d'images en couleur
DEP29355A DE827900C (de) 1945-01-27 1949-01-01 Entwickler fuer Schwarz-Weiss- und insbesondere fuer Farbenfotografie

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
US2414491A true US2414491A (en) 1947-01-21

Family

ID=24298383

Family Applications (1)

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

Country Status (7)

Country Link
US (1) US2414491A (en))
BE (1) BE465025A (en))
CH (2) CH263050A (en))
DE (1) DE827900C (en))
ES (1) ES172755A1 (en))
FR (1) FR923784A (en))
GB (1) GB603276A (en))

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2445252A (en) * 1947-04-10 1948-07-13 Gen Aniline & Film Corp Photographic elements containing urethanes of nu-substituted j acids as color formers
US2449919A (en) * 1947-07-05 1948-09-21 Eastman Kodak Co 3-methylsulfonamido-4-amino dimethyl aniline photographic developer
US2480815A (en) * 1948-05-06 1949-08-30 Gen Aniline & Film Corp 2-naphthyl j-acid and the urethanes thereof as color formers
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
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
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
US2522802A (en) * 1948-12-22 1950-09-19 Gen Aniline & Film Corp Production of yellow dye images by color development
US2527379A (en) * 1948-07-15 1950-10-24 Gen Aniline & Film Corp Silver halide developers for the production of azine dyestuff images
US2537460A (en) * 1948-07-15 1951-01-09 Gen Aniline & Film Corp Production of azine dye images by means of a developer containing two n-substituted-diamino-meta-nilic acids
US2575027A (en) * 1949-10-29 1951-11-13 Gen Aniline & Film Corp N-substituted 4, 6-diamino metanilic acids
US2592364A (en) * 1947-05-23 1952-04-08 Eastman Kodak Co p-phenylenediamine developer containing alkylacylamidoethyl or alkylacylamidoethoxyring substituents
US2594917A (en) * 1949-12-16 1952-04-29 Gen Aniline & Film Corp Suppression of proximity development with azine color developers
US2611785A (en) * 1952-09-23 N-substituted x
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
US3305364A (en) * 1963-09-03 1967-02-21 Eastman Kodak Co Non-silver halide reducing sulfonamide buffers for photographic developing solutions
US5416236A (en) * 1991-01-23 1995-05-16 Nissan Chemical Industries Ltd. Aniline derivatives and process for producing the same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3158482A (en) * 1961-07-28 1964-11-24 Lucas Christopher Dry photographic processing formulation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2611785A (en) * 1952-09-23 N-substituted x
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
US2592364A (en) * 1947-05-23 1952-04-08 Eastman Kodak Co p-phenylenediamine developer containing alkylacylamidoethyl or alkylacylamidoethoxyring substituents
US2449919A (en) * 1947-07-05 1948-09-21 Eastman Kodak Co 3-methylsulfonamido-4-amino dimethyl aniline photographic developer
US2480815A (en) * 1948-05-06 1949-08-30 Gen Aniline & Film Corp 2-naphthyl j-acid and the urethanes thereof as color formers
US2527379A (en) * 1948-07-15 1950-10-24 Gen Aniline & Film Corp Silver halide developers for the production of azine dyestuff images
US2537460A (en) * 1948-07-15 1951-01-09 Gen Aniline & Film Corp Production of azine dye images by means of a developer containing two n-substituted-diamino-meta-nilic acids
US2522802A (en) * 1948-12-22 1950-09-19 Gen Aniline & Film Corp Production of yellow dye images by color development
US2575027A (en) * 1949-10-29 1951-11-13 Gen Aniline & Film Corp N-substituted 4, 6-diamino metanilic acids
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
US3305364A (en) * 1963-09-03 1967-02-21 Eastman Kodak Co Non-silver halide reducing sulfonamide buffers for photographic developing solutions
US5416236A (en) * 1991-01-23 1995-05-16 Nissan Chemical Industries Ltd. Aniline derivatives and process for producing the same

Also Published As

Publication number Publication date
BE465025A (en))
FR923784A (fr) 1947-07-17
DE827900C (de) 1952-01-14
CH263050A (de) 1949-08-15
CH258610A (de) 1948-12-15
GB603276A (en) 1948-06-11
ES172755A1 (es) 1946-12-01

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