UST999003I4 - Shifted photographic dyes and compositions, elements and processes employing them - Google Patents

Shifted photographic dyes and compositions, elements and processes employing them Download PDF

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Publication number
UST999003I4
UST999003I4 US06143659H US999003DH UST999003I4 US T999003 I4 UST999003 I4 US T999003I4 US 06143659 H US06143659 H US 06143659H US 999003D H US999003D H US 999003DH US T999003 I4 UST999003 I4 US T999003I4
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US
United States
Prior art keywords
compositions
elements
photographic dyes
processes employing
shifted
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
US06143659H
Inventor
John A. Ford
Gregory J. Lestina
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of UST999003I4 publication Critical patent/UST999003I4/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
    • G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/02—Photosensitive materials characterised by the image-forming section
    • G03C8/08—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds
    • G03C8/10—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds of dyes or their precursors

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

Abstract

Shifted photographic dyes which have good storage stability, yet rapidly unblock under processing conditions contain a blocked hydroxy group and a neighboring group that anchimerically assists the hydrolytic cleavage of the blocking group under processing conditions.
US06143659H 1980-04-25 Shifted photographic dyes and compositions, elements and processes employing them Pending UST999003I4 (en)

Publications (1)

Publication Number Publication Date
UST999003I4 true UST999003I4 (en) 1980-10-07

Family

ID=3067331

Family Applications (1)

Application Number Title Priority Date Filing Date
US06143659H Pending UST999003I4 (en) 1980-04-25 Shifted photographic dyes and compositions, elements and processes employing them

Country Status (1)

Country Link
US (1) UST999003I4 (en)

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