UST103402I4 - Aryloxy substituted photographic couplers and photographic elements and processes employing same - Google Patents

Aryloxy substituted photographic couplers and photographic elements and processes employing same Download PDF

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Publication number
UST103402I4
UST103402I4 US06/463,425 US46342583A UST103402I4 US T103402 I4 UST103402 I4 US T103402I4 US 46342583 A US46342583 A US 46342583A US T103402 I4 UST103402 I4 US T103402I4
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US
United States
Prior art keywords
photographic
couplers
processes employing
employing same
aryloxy substituted
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.)
Pending
Application number
US06/463,425
Inventor
Philip T. S. Lau
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 claimed from US06/324,237 external-priority patent/US4401752A/en
Application filed filed Critical
Priority to US06/463,425 priority Critical patent/UST103402I4/en
Application granted granted Critical
Publication of UST103402I4 publication Critical patent/UST103402I4/en
Pending legal-status Critical Current

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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
    • G03C7/305—Substances liberating photographically active agents, e.g. development-inhibiting releasing couplers
    • G03C7/30541—Substances liberating photographically active agents, e.g. development-inhibiting releasing couplers characterised by the released group

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

Abstract

Couplers of good reactivity contain an aryloxy coupling-off group having in an ortho position a polarizable carbonyl, sulfonyl or phosphinyl substituent group which is free of photographic dye groups and photographic reagent groups.
US06/463,425 1981-11-23 1983-02-03 Aryloxy substituted photographic couplers and photographic elements and processes employing same Pending UST103402I4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US06/463,425 UST103402I4 (en) 1981-11-23 1983-02-03 Aryloxy substituted photographic couplers and photographic elements and processes employing same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/324,237 US4401752A (en) 1981-11-23 1981-11-23 Aryloxy substituted photographic couplers and photographic elements and processes employing same
US06/463,425 UST103402I4 (en) 1981-11-23 1983-02-03 Aryloxy substituted photographic couplers and photographic elements and processes employing same

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US06/324,237 Division US4401752A (en) 1981-11-23 1981-11-23 Aryloxy substituted photographic couplers and photographic elements and processes employing same

Publications (1)

Publication Number Publication Date
UST103402I4 true UST103402I4 (en) 1983-09-06

Family

ID=26984351

Family Applications (1)

Application Number Title Priority Date Filing Date
US06/463,425 Pending UST103402I4 (en) 1981-11-23 1983-02-03 Aryloxy substituted photographic couplers and photographic elements and processes employing same

Country Status (1)

Country Link
US (1) UST103402I4 (en)

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