GB1568246A - Magentamasked colour couplers - Google Patents

Magentamasked colour couplers Download PDF

Info

Publication number
GB1568246A
GB1568246A GB47423/76A GB4742376A GB1568246A GB 1568246 A GB1568246 A GB 1568246A GB 47423/76 A GB47423/76 A GB 47423/76A GB 4742376 A GB4742376 A GB 4742376A GB 1568246 A GB1568246 A GB 1568246A
Authority
GB
United Kingdom
Prior art keywords
colour
magenta
coupler
group
coloured
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
GB47423/76A
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Priority to GB47423/76A priority Critical patent/GB1568246A/en
Priority to FR7733968A priority patent/FR2371000B1/fr
Priority to DE19772750620 priority patent/DE2750620A1/de
Priority to BE182581A priority patent/BE860780A/xx
Priority to JP13635077A priority patent/JPS5363016A/ja
Priority to US06/064,660 priority patent/US4277398A/en
Publication of GB1568246A publication Critical patent/GB1568246A/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
    • G03C7/333—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
GB47423/76A 1976-11-15 1976-11-15 Magentamasked colour couplers Expired GB1568246A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB47423/76A GB1568246A (en) 1976-11-15 1976-11-15 Magentamasked colour couplers
FR7733968A FR2371000B1 (https=) 1976-11-15 1977-11-10
DE19772750620 DE2750620A1 (de) 1976-11-15 1977-11-11 Purpurmaskierte farbkuppler
BE182581A BE860780A (fr) 1976-11-15 1977-11-14 Copulants chromogenes masques pour images magenta
JP13635077A JPS5363016A (en) 1976-11-15 1977-11-15 Color coupler and like shielded with magenta
US06/064,660 US4277398A (en) 1976-11-15 1979-08-08 Magenta-masked color azopyrazolinone couplers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB47423/76A GB1568246A (en) 1976-11-15 1976-11-15 Magentamasked colour couplers

Publications (1)

Publication Number Publication Date
GB1568246A true GB1568246A (en) 1980-05-29

Family

ID=10444918

Family Applications (1)

Application Number Title Priority Date Filing Date
GB47423/76A Expired GB1568246A (en) 1976-11-15 1976-11-15 Magentamasked colour couplers

Country Status (6)

Country Link
US (1) US4277398A (https=)
JP (1) JPS5363016A (https=)
BE (1) BE860780A (https=)
DE (1) DE2750620A1 (https=)
FR (1) FR2371000B1 (https=)
GB (1) GB1568246A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2161160B (en) * 1984-07-06 1989-05-24 Fisons Plc Heterocyclic sulphinyl compounds
GB2341938A (en) * 1998-06-26 2000-03-29 Eastman Kodak Co Colour photographic elements containing yellow coloured magenta dye forming masking couplers.

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2873486B2 (ja) * 1990-05-11 1999-03-24 コニカ株式会社 ハロゲン化銀カラー写真感光材料
JP2877579B2 (ja) * 1991-08-26 1999-03-31 コニカ株式会社 ハロゲン化銀カラー写真感光材料
CN1132058C (zh) * 1996-03-06 2003-12-24 柯尼卡株式会社 单色成像卤化银感光材料和使用该材料的照相元件
CN1135436C (zh) * 1996-10-09 2004-01-21 柯尼卡株式会社 卤化银照相光敏材料

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2959582A (en) * 1957-07-26 1960-11-08 Hoechst Ag Azodyestuffs soluble in water
US2983608A (en) * 1958-10-06 1961-05-09 Eastman Kodak Co Yellow-colored magenta-forming couplers
US3148062A (en) * 1959-04-06 1964-09-08 Eastman Kodak Co Photographic elements and processes using splittable couplers
US3443940A (en) * 1967-07-24 1969-05-13 Polaroid Corp Diffusion transfer employing ringclosure to release color-providing material for transfer
US3925347A (en) * 1967-07-24 1975-12-09 Polaroid Corp Processes of synthesizing azo compounds
US3928312A (en) * 1972-08-22 1975-12-23 Eastman Kodak Co Novel p-sulfonamidophenols capable of releasing a heterocyclic azo dye
US3931144A (en) * 1973-02-12 1976-01-06 Eastman Kodak Company Magenta image-providing phenylazonaphthyl dyes
JPS541175B2 (https=) * 1973-04-21 1979-01-22
US3932380A (en) * 1974-02-05 1976-01-13 Eastman Kodak Company Magenta image-providing phenylazo-naphthyl dyes
US4013633A (en) * 1975-06-27 1977-03-22 Eastman Kodak Company Yellow azopyrazoline dye releasing redox compounds for photographic color transfer
US4200570A (en) * 1977-08-04 1980-04-29 Crompton & Knowles Corporation 5-Halo-2-trifluoromethylphenylazo-pyrazolones
US4165987A (en) * 1977-09-12 1979-08-28 Eastman Kodak Company Photographic products and processes employing novel nondiffusible pyridylazopyrazole or pyrimidylazopyrazole dye-releasing compounds

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2161160B (en) * 1984-07-06 1989-05-24 Fisons Plc Heterocyclic sulphinyl compounds
GB2341938A (en) * 1998-06-26 2000-03-29 Eastman Kodak Co Colour photographic elements containing yellow coloured magenta dye forming masking couplers.
GB2341938B (en) * 1998-06-26 2002-06-12 Eastman Kodak Co Color photographic elements containing yellow-colored magenta dye-forming masking couplers

Also Published As

Publication number Publication date
BE860780A (fr) 1978-05-16
JPS5363016A (en) 1978-06-06
FR2371000A1 (https=) 1978-06-09
FR2371000B1 (https=) 1980-06-06
US4277398A (en) 1981-07-07
DE2750620A1 (de) 1978-05-24

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee