GB1174135A - Pyrazolone Colour Couplers - Google Patents

Pyrazolone Colour Couplers

Info

Publication number
GB1174135A
GB1174135A GB2703767A GB2703767A GB1174135A GB 1174135 A GB1174135 A GB 1174135A GB 2703767 A GB2703767 A GB 2703767A GB 2703767 A GB2703767 A GB 2703767A GB 1174135 A GB1174135 A GB 1174135A
Authority
GB
United Kingdom
Prior art keywords
pyrazolone
cyanophenyl
chloro
group
tert
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
GB2703767A
Other languages
English (en)
Inventor
Brian Anderson
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.)
Ilford Imaging UK Ltd
Original Assignee
Ilford 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 Ilford Ltd filed Critical Ilford Ltd
Priority to GB2703767A priority Critical patent/GB1174135A/en
Priority to BE716408D priority patent/BE716408A/xx
Priority to FR1570845D priority patent/FR1570845A/fr
Priority to DE19681770632 priority patent/DE1770632A1/de
Publication of GB1174135A publication Critical patent/GB1174135A/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)
  • Plural Heterocyclic Compounds (AREA)
GB2703767A 1967-06-12 1967-06-12 Pyrazolone Colour Couplers Expired GB1174135A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB2703767A GB1174135A (en) 1967-06-12 1967-06-12 Pyrazolone Colour Couplers
BE716408D BE716408A (cg-RX-API-DMAC7.html) 1967-06-12 1968-06-11
FR1570845D FR1570845A (cg-RX-API-DMAC7.html) 1967-06-12 1968-06-12
DE19681770632 DE1770632A1 (de) 1967-06-12 1968-06-12 Farbkuppler und photographisches,diese Farbkuppler enthaltendes Farbmaterial

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2703767A GB1174135A (en) 1967-06-12 1967-06-12 Pyrazolone Colour Couplers

Publications (1)

Publication Number Publication Date
GB1174135A true GB1174135A (en) 1969-12-10

Family

ID=10253143

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2703767A Expired GB1174135A (en) 1967-06-12 1967-06-12 Pyrazolone Colour Couplers

Country Status (4)

Country Link
BE (1) BE716408A (cg-RX-API-DMAC7.html)
DE (1) DE1770632A1 (cg-RX-API-DMAC7.html)
FR (1) FR1570845A (cg-RX-API-DMAC7.html)
GB (1) GB1174135A (cg-RX-API-DMAC7.html)

Also Published As

Publication number Publication date
BE716408A (cg-RX-API-DMAC7.html) 1968-11-04
FR1570845A (cg-RX-API-DMAC7.html) 1969-06-13
DE1770632A1 (de) 1972-02-10

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees