GB1269074A - Manufacture of photographic silver halide colour materials - Google Patents

Manufacture of photographic silver halide colour materials

Info

Publication number
GB1269074A
GB1269074A GB06983/69A GB1698369A GB1269074A GB 1269074 A GB1269074 A GB 1269074A GB 06983/69 A GB06983/69 A GB 06983/69A GB 1698369 A GB1698369 A GB 1698369A GB 1269074 A GB1269074 A GB 1269074A
Authority
GB
United Kingdom
Prior art keywords
coupler
silver halide
couplers
admixed
dir
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
GB06983/69A
Inventor
Reid James O'connell
John Hamilton Vancampen
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
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB1269074A publication Critical patent/GB1269074A/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
    • G03C7/3225—Combination of couplers of different kinds, e.g. yellow and magenta couplers in a same layer or in different layers of the photographic material
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)

Abstract

1,269,074. Production of photographic silver halide colour material. EASTMAN KODAK CO. April 1, 1969 [April 1, 1968], No. 16983/69. Heading G2C. A continuous method of making a light-sensitive photographic material comprises first introducing a light-sensitive silver halide emulsion and at least one dye-forming coupler into a mixing zone and thereafter coating the admixed emulsion and coupler on a support, characterized in that a development-inhibitor-releasing (DIR) coupler is admixed into the emulsion and the coupler so that the ratio of the DIR coupler to the dye-forming coupler or couplers on addition to the mixing zone is constant. The DIR coupler may be admixed with the dye-forming couplers before admixture with the silver halide emulsion. The couplers may be non-diffusible, water-insoluble compounds and may be dissolved in a water-insoluble liquid, dispersed in a hydrophilic colloid and admixed with the light-sensitive silver halide emulsion as such a dispersion. The couplers may all be dissolved in a single solvent dispersion. The DIR coupler preferably has a monothio group in its coupling position which upon reaction with oxidized primary, aromatic amine colour developer, forms a diffusible mercaptan development inhibiting compound. Many examples of couplers are given. The materials prepared as above exhibit uniform contrast throughout due to the presence of the DIR coupler.
GB06983/69A 1968-04-01 1969-04-01 Manufacture of photographic silver halide colour materials Expired GB1269074A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71792068A 1968-04-01 1968-04-01

Publications (1)

Publication Number Publication Date
GB1269074A true GB1269074A (en) 1972-03-29

Family

ID=24884044

Family Applications (1)

Application Number Title Priority Date Filing Date
GB06983/69A Expired GB1269074A (en) 1968-04-01 1969-04-01 Manufacture of photographic silver halide colour materials

Country Status (4)

Country Link
US (1) US3632373A (en)
BE (1) BE730830A (en)
FR (1) FR2007360A1 (en)
GB (1) GB1269074A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3839044A (en) * 1971-03-25 1974-10-01 Eastman Kodak Co Silver halide emulsions containing 2-equivalent color couplers
JPS5065230A (en) * 1973-10-09 1975-06-02
US3989529A (en) * 1974-10-29 1976-11-02 Gaf Corporation Hydrophilic coupler solutions
US4205990A (en) * 1975-08-02 1980-06-03 Konishiroku Photo Industry Co., Ltd. Process for forming a cyan dye image by the use of a 2-equivalent cyan coupler
JPS5235634A (en) * 1975-09-16 1977-03-18 Mitsubishi Paper Mills Ltd Method for forming yellow photographic image
US4226934A (en) * 1977-08-12 1980-10-07 Ciba-Geigy Ag Light sensitive photographic material containing development inhibitor releasing compounds
JPS5845017B2 (en) * 1978-02-02 1983-10-06 富士写真フイルム株式会社 Silver halide photographic material
US4315069A (en) * 1979-09-18 1982-02-09 Ciba Geigy Ag Color coupler combination
US4286054A (en) * 1980-05-29 1981-08-25 Veb Filmfabrik Wolfen Light sensitive, color photographic silver halide compositions with DIR-couplers
US4387159A (en) * 1980-05-29 1983-06-07 Veb Filmfabrik Wolfen Light sensitive, color photographic silver halide compositions with DIR-couplers
EP0044279A3 (en) * 1980-07-16 1983-03-02 Ciba-Geigy Ag A method of processing monochrome silver halide material
JPS58217932A (en) * 1982-06-11 1983-12-19 Fuji Photo Film Co Ltd Silver halide color photosensitive material
JPS61250645A (en) 1985-04-30 1986-11-07 Konishiroku Photo Ind Co Ltd Silver halide photographic sensitive material
FR3112414B1 (en) 2020-07-10 2022-12-16 Ifollow SYSTEM AND METHOD FOR MANAGING A PLURALITY OF MOBILE ROBOTS FOR THE PREPARATION OF ORDERS FOR PRODUCTS STORED IN A WAREHOUSE
FR3112334B1 (en) 2020-07-10 2022-09-16 Ifollow SYSTEMS FOR LOADING AND UNLOADING MOBILE COLLECTION SUPPORTS ON AN AUTONOMOUS MOBILE ROBOT FOR ORDER PREPARATION

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA557259A (en) * 1955-02-23 1958-05-13 Canadian Kodak Co. Limited Multiple layer hopper for multiply coating a web
GB847143A (en) * 1957-11-18 1960-09-07 Ilford Ltd Improvements in or relating to colour photographic materials
US3148062A (en) * 1959-04-06 1964-09-08 Eastman Kodak Co Photographic elements and processes using splittable couplers

Also Published As

Publication number Publication date
BE730830A (en) 1969-09-01
FR2007360A1 (en) 1970-01-09
US3632373A (en) 1972-01-04

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