GB865721A - Improvements in and relating to photographic colour development and photographic emulsions containing colour couplers - Google Patents

Improvements in and relating to photographic colour development and photographic emulsions containing colour couplers

Info

Publication number
GB865721A
GB865721A GB32419/57A GB3241957A GB865721A GB 865721 A GB865721 A GB 865721A GB 32419/57 A GB32419/57 A GB 32419/57A GB 3241957 A GB3241957 A GB 3241957A GB 865721 A GB865721 A GB 865721A
Authority
GB
United Kingdom
Prior art keywords
pyrazolone
hydroxyethyl
chloride
amino
prepared
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
GB32419/57A
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.)
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
Publication of GB865721A publication Critical patent/GB865721A/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
    • G03C7/38—Couplers containing compounds with active methylene groups in rings
    • G03C7/384—Couplers containing compounds with active methylene groups in rings in pyrazolone rings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Cosmetics (AREA)
GB32419/57A 1956-10-30 1957-10-17 Improvements in and relating to photographic colour development and photographic emulsions containing colour couplers Expired GB865721A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US619151A US2865748A (en) 1956-10-30 1956-10-30 3-acylamido-5-pyrazolone and 3-acylamido-5-acyloxypyrazole couplers for color photography

Publications (1)

Publication Number Publication Date
GB865721A true GB865721A (en) 1961-04-19

Family

ID=24480672

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32419/57A Expired GB865721A (en) 1956-10-30 1957-10-17 Improvements in and relating to photographic colour development and photographic emulsions containing colour couplers

Country Status (4)

Country Link
US (1) US2865748A (enrdf_load_stackoverflow)
BE (1) BE561952A (enrdf_load_stackoverflow)
FR (1) FR1196010A (enrdf_load_stackoverflow)
GB (1) GB865721A (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE560907A (enrdf_load_stackoverflow) * 1956-09-18
US3498789A (en) * 1967-03-13 1970-03-03 Eastman Kodak Co Photographic element having a novel filter layer thereon
DE2336721A1 (de) * 1973-07-19 1975-02-06 Agfa Gevaert Ag Farbphotographisches mehrschichtenmaterial mit verbesserter farbdichte
DE2523882A1 (de) * 1975-05-30 1976-12-16 Agfa Gevaert Ag Lichtempfindliches material mit neuen 3-anilino-5-pyrazolylalkyl-bzw. -arylcarbonat-kupplern
JPS5913730B2 (ja) * 1979-09-05 1984-03-31 富士写真フイルム株式会社 カラ−画像形成方法
US4283472A (en) * 1980-02-26 1981-08-11 Eastman Kodak Company Silver halide elements containing blocked pyrazolone magenta dye-forming couplers
US4310618A (en) * 1980-05-30 1982-01-12 Eastman Kodak Company Silver halide photographic material and process utilizing blocked dye-forming couplers
US4345085A (en) * 1980-12-29 1982-08-17 Eastman Kodak Company Method for preparing 2-pyrazolin-5-ones from 1,2,4-oxadiazoles
US4374253A (en) * 1981-09-28 1983-02-15 Eastman Kodak Company Method for preparing 1-aryl-3-arylamino-2-pyrazolin-5-ones from N-aryl-3-arylamino-3-oximinopropionamides

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE531589A (enrdf_load_stackoverflow) * 1953-09-02
BE542011A (enrdf_load_stackoverflow) * 1954-10-14

Also Published As

Publication number Publication date
US2865748A (en) 1958-12-23
BE561952A (enrdf_load_stackoverflow)
FR1196010A (fr) 1959-11-20

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