US2706684A - 1-hydroxy-2-naphthamide colored couplers - Google Patents

1-hydroxy-2-naphthamide colored couplers Download PDF

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Publication number
US2706684A
US2706684A US322888A US32288852A US2706684A US 2706684 A US2706684 A US 2706684A US 322888 A US322888 A US 322888A US 32288852 A US32288852 A US 32288852A US 2706684 A US2706684 A US 2706684A
Authority
US
United States
Prior art keywords
coupler
hydroxy
colored
naphthanilide
compounds
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
US322888A
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English (en)
Inventor
Graham Bruce
Williams John
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 BE524618D priority Critical patent/BE524618A/xx
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Priority to US322888A priority patent/US2706684A/en
Priority to GB31238/53A priority patent/GB738138A/en
Priority to FR1091903D priority patent/FR1091903A/fr
Application granted granted Critical
Publication of US2706684A publication Critical patent/US2706684A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • G03C7/333—Coloured coupling substances, e.g. for the correction of the coloured image
    • G03C7/3335—Coloured coupling substances, e.g. for the correction of the coloured image containing an azo chromophore

Definitions

  • coupler compounds examples of which are provided in the following description, as well as photographic emulsions containing the coupler compounds.
  • the colored couplers themselves were prepared from OH C1 the parent colorless couplers I, II, III and IV as follows: I l

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
US322888A 1952-11-28 1952-11-28 1-hydroxy-2-naphthamide colored couplers Expired - Lifetime US2706684A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE524618D BE524618A (enrdf_load_stackoverflow) 1952-11-28
US322888A US2706684A (en) 1952-11-28 1952-11-28 1-hydroxy-2-naphthamide colored couplers
GB31238/53A GB738138A (en) 1952-11-28 1953-11-11 Improvements in colour couplers for colour photography
FR1091903D FR1091903A (fr) 1952-11-28 1953-11-27 Perfectionnements à la photographie en couleurs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US322888A US2706684A (en) 1952-11-28 1952-11-28 1-hydroxy-2-naphthamide colored couplers

Publications (1)

Publication Number Publication Date
US2706684A true US2706684A (en) 1955-04-19

Family

ID=23256879

Family Applications (1)

Application Number Title Priority Date Filing Date
US322888A Expired - Lifetime US2706684A (en) 1952-11-28 1952-11-28 1-hydroxy-2-naphthamide colored couplers

Country Status (4)

Country Link
US (1) US2706684A (enrdf_load_stackoverflow)
BE (1) BE524618A (enrdf_load_stackoverflow)
FR (1) FR1091903A (enrdf_load_stackoverflow)
GB (1) GB738138A (enrdf_load_stackoverflow)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2979405A (en) * 1956-06-22 1961-04-11 Gevaert Photo Prod Nv Light-sensitive photographic element containing a 1-hydroxy-2-naphthoic acid anilidecolor coupler
US3034892A (en) * 1958-10-27 1962-05-15 Eastman Kodak Co Magenta-colored cyan-forming couplers
US3148062A (en) * 1959-04-06 1964-09-08 Eastman Kodak Co Photographic elements and processes using splittable couplers
DE1258266B (de) * 1964-01-07 1968-01-04 Wolfen Filmfab Veb Farbphotographisches Material
US3459552A (en) * 1965-02-03 1969-08-05 Fuji Photo Film Co Ltd Silver halide emulsions containing magenta-colored cyan couplers
USB311317I5 (enrdf_load_stackoverflow) * 1971-12-21 1975-01-28
US3929760A (en) * 1973-02-12 1975-12-30 Eastman Kodak Co Cyan image-providing phenylazonaphthyl dyes
US3931144A (en) * 1973-02-12 1976-01-06 Eastman Kodak Company Magenta image-providing phenylazonaphthyl dyes
US3932381A (en) * 1973-02-12 1976-01-13 Eastman Kodak Company Magenta image-providing phenylazo-naphthyl dyes
US3932380A (en) * 1974-02-05 1976-01-13 Eastman Kodak Company Magenta image-providing phenylazo-naphthyl dyes
EP0711804A2 (de) 1994-11-14 1996-05-15 Ciba-Geigy Ag Kryptolichtschutzmittel

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2909551B2 (ja) * 1989-12-06 1999-06-23 富士写真フイルム株式会社 ハロゲン化銀カラー写真感光材料
JPS557702A (en) * 1978-06-01 1980-01-19 Konishiroku Photo Ind Co Ltd Silver halide color photographic material

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2521908A (en) * 1947-03-13 1950-09-12 Eastman Kodak Co 1-hydroxy-2-naphthamide colored couplers

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2521908A (en) * 1947-03-13 1950-09-12 Eastman Kodak Co 1-hydroxy-2-naphthamide colored couplers

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2979405A (en) * 1956-06-22 1961-04-11 Gevaert Photo Prod Nv Light-sensitive photographic element containing a 1-hydroxy-2-naphthoic acid anilidecolor coupler
US3034892A (en) * 1958-10-27 1962-05-15 Eastman Kodak Co Magenta-colored cyan-forming couplers
US3148062A (en) * 1959-04-06 1964-09-08 Eastman Kodak Co Photographic elements and processes using splittable couplers
DE1258266B (de) * 1964-01-07 1968-01-04 Wolfen Filmfab Veb Farbphotographisches Material
US3459552A (en) * 1965-02-03 1969-08-05 Fuji Photo Film Co Ltd Silver halide emulsions containing magenta-colored cyan couplers
USB311317I5 (enrdf_load_stackoverflow) * 1971-12-21 1975-01-28
US3918975A (en) * 1971-12-21 1975-11-11 Minnesota Mining & Mfg Naphtholic couplers
US3929760A (en) * 1973-02-12 1975-12-30 Eastman Kodak Co Cyan image-providing phenylazonaphthyl dyes
US3931144A (en) * 1973-02-12 1976-01-06 Eastman Kodak Company Magenta image-providing phenylazonaphthyl dyes
US3932381A (en) * 1973-02-12 1976-01-13 Eastman Kodak Company Magenta image-providing phenylazo-naphthyl dyes
US3932380A (en) * 1974-02-05 1976-01-13 Eastman Kodak Company Magenta image-providing phenylazo-naphthyl dyes
EP0711804A2 (de) 1994-11-14 1996-05-15 Ciba-Geigy Ag Kryptolichtschutzmittel

Also Published As

Publication number Publication date
GB738138A (en) 1955-10-05
FR1091903A (fr) 1955-04-15
BE524618A (enrdf_load_stackoverflow)

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