GB537696A - Improvements in and relating to colour-forming development and colour photographic elements - Google Patents

Improvements in and relating to colour-forming development and colour photographic elements

Info

Publication number
GB537696A
GB537696A GB185/40A GB18540A GB537696A GB 537696 A GB537696 A GB 537696A GB 185/40 A GB185/40 A GB 185/40A GB 18540 A GB18540 A GB 18540A GB 537696 A GB537696 A GB 537696A
Authority
GB
United Kingdom
Prior art keywords
colour
relating
photographic elements
forming development
reaction
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
GB185/40A
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.)
Kodak Ltd
Original Assignee
Kodak Ltd
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 Kodak Ltd filed Critical Kodak Ltd
Priority to GB1393/41A priority Critical patent/GB537952A/en
Priority to GB185/40A priority patent/GB537696A/en
Priority to US358492A priority patent/US2289804A/en
Publication of GB537696A publication Critical patent/GB537696A/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
    • 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
    • G03C7/32—Colour coupling substances
    • G03C7/36—Couplers containing compounds with active methylene groups

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Plural Heterocyclic Compounds (AREA)

Abstract

537,696. Phenylbenzenesulphonate derivatives. KODAK, Ltd. (Eastman Kodak Co.). Jan. 3, 1940, No. 185. [Class 2 (iii)] [Also in Group XX] Acetaminophenylbenzenesulphonate is prepared by the reaction of benzenesulphonylchloride with p-nitrophenol, reduction of the nitro group, and reaction with ethylacetoacetate.
GB185/40A 1940-01-03 1940-01-03 Improvements in and relating to colour-forming development and colour photographic elements Expired GB537696A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1393/41A GB537952A (en) 1940-01-03 1940-01-03 Improvements in and relating to colour-forming developers and processes of colour development
GB185/40A GB537696A (en) 1940-01-03 1940-01-03 Improvements in and relating to colour-forming development and colour photographic elements
US358492A US2289804A (en) 1940-01-03 1940-09-26 Sulphonic ester coupler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB185/40A GB537696A (en) 1940-01-03 1940-01-03 Improvements in and relating to colour-forming development and colour photographic elements

Publications (1)

Publication Number Publication Date
GB537696A true GB537696A (en) 1941-07-02

Family

ID=9699891

Family Applications (2)

Application Number Title Priority Date Filing Date
GB185/40A Expired GB537696A (en) 1940-01-03 1940-01-03 Improvements in and relating to colour-forming development and colour photographic elements
GB1393/41A Expired GB537952A (en) 1940-01-03 1940-01-03 Improvements in and relating to colour-forming developers and processes of colour development

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1393/41A Expired GB537952A (en) 1940-01-03 1940-01-03 Improvements in and relating to colour-forming developers and processes of colour development

Country Status (2)

Country Link
US (1) US2289804A (en)
GB (2) GB537696A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE25586E (en) * 1951-05-08 1964-06-02 So jxnh o oh
NL129162C (en) * 1959-01-17
NL247588A (en) * 1959-01-21
US3415652A (en) * 1965-04-01 1968-12-10 Eastman Kodak Co Silver halide color photographic elements utilizing alpha-sulfonyloxy substituted two-equivalent yellow-forming couplers
US5312952A (en) * 1992-04-23 1994-05-17 Uniroyal Chemical Company, Inc. Polymerization inhibitor for vinyl aromatics

Also Published As

Publication number Publication date
GB537952A (en) 1941-07-14
US2289804A (en) 1942-07-14

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