GB1397628A - Naphthaleneazo compounds and their photographic use as colour couplers - Google Patents

Naphthaleneazo compounds and their photographic use as colour couplers

Info

Publication number
GB1397628A
GB1397628A GB3499572A GB3499572A GB1397628A GB 1397628 A GB1397628 A GB 1397628A GB 3499572 A GB3499572 A GB 3499572A GB 3499572 A GB3499572 A GB 3499572A GB 1397628 A GB1397628 A GB 1397628A
Authority
GB
United Kingdom
Prior art keywords
naphthaleneazo
colour couplers
compounds
colour
july
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
GB3499572A
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta Inc
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 Konica Minolta Inc filed Critical Konica Minolta Inc
Publication of GB1397628A publication Critical patent/GB1397628A/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)

Abstract

1397628 Naphthaleneazo colour couplers KONISHIROKU PHOTO INDUSTRY CO Ltd 26 July 1972 [27 July 1971] 34995/72 Heading C4P [Also in Divisions G2 and C2] Novel colour couplers of the formula (where n is 1, 2, 3 or 4; m is 0, 1 or 2; and R is an optionally substituted phenyl group or an alicyclic group) are prepared by diazotizing appropriately 2-substituted anilines and coupling with appropriately N-substituted 1-naphthol - 2 - carboxylic acid amides. They may be dissolved in organic liquids of Group above 150‹ C. and incorporated in light-sensitive silver halide emulsions for use in the formation of photographic elements for use in colour photography.
GB3499572A 1971-07-27 1972-07-26 Naphthaleneazo compounds and their photographic use as colour couplers Expired GB1397628A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46055665A JPS5010729B1 (en) 1971-07-27 1971-07-27

Publications (1)

Publication Number Publication Date
GB1397628A true GB1397628A (en) 1975-06-11

Family

ID=13005135

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3499572A Expired GB1397628A (en) 1971-07-27 1972-07-26 Naphthaleneazo compounds and their photographic use as colour couplers

Country Status (4)

Country Link
US (1) US3811892A (en)
JP (1) JPS5010729B1 (en)
DE (1) DE2236947A1 (en)
GB (1) GB1397628A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5337019B2 (en) * 1973-12-21 1978-10-06
US4138258A (en) * 1974-08-28 1979-02-06 Fuji Photo Film Co., Ltd. Multi-layered color photographic materials

Also Published As

Publication number Publication date
JPS5010729B1 (en) 1975-04-24
DE2236947A1 (en) 1973-02-22
US3811892A (en) 1974-05-21

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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