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UST901025I4 - Defensive publication - Google Patents

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Publication number
UST901025I4
UST901025I4 US901025DH UST901025I4 US T901025 I4 UST901025 I4 US T901025I4 US 901025D H US901025D H US 901025DH US T901025 I4 UST901025 I4 US T901025I4
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US
United States
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group
photographic
class
color photographic
diffusible
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Publication of UST901025I4 publication Critical patent/UST901025I4/en
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Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/32Colour coupling substances

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

Abstract

A CLASS OF COLOR PHOTOGRAPHIC ELEMENTS CONTAINING AZINE MAGENTA DYE-FORMING 5-HYDROXY-1,3-BENZOXATHIOL-2-ONE COLOR PHOTOGRAPHIC COUPLERS OF THE FORMULA

2-(O=),5-HO,(X)N-1,3-BENZOXATHIOL

WHEREIN EACH X SUBSTITUENT IS INDIVIDUALLY DEFINED AS A HALO GROUP; AN ALKYL GROUP; AN ALKYLENE GROUP; AN ARYL GROUP; A THIO- OR OXY-CONNECTED HETEROCYCLIC GROUP; AN ALKOXY GROUP; A THIOETHER GROUP; AN ALKYL ACYL GROUP, AN ARYL ACYL GROUP, OR OTHERWISE DEFINED AS A BALLASTING MOIETY OF THE TYPE COMMONLY ATTACHED TO COUPLERS OF A NON-DIFFUSIBLE TYPE DESIGNED TO BE INCORPORATED IN PHOTOGRAPHIC EMULSIONS; AND WHEREIN N IS DEFINED AS AN INTEGER OF 0-3; ALSO LIGHT-SENSITIVE SILVER HALIDE EMULSIONS CONTAINING A NON-DIFFUSIBLE COUPLER WITHIN THE ABOVE CLASS, A COLOR PHOTOGRAPHIC DEVELOPER COMPOSITION CONTAINING A DIFFUSIBLE COUPLER WITHIN THE ABOVE CLASS; AND A PROCESS FOR PRODUCING MAGENTA PHOTOGRAPHIC AZINE DYES OF THE FORMULA

3-(O=),7-((C2H5)2-N-),(X)N-3H-PHENOTHIAZINE

WHEREIN THE SUBSTITUENT GROUPS ARE DEFINED AS ABOVE, BY CONTACTING WITH OXIDIZED COLOR DEVELOPING AGENT.

Description

DEFENSTV UBLlCATlQ UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Dec. 16, 1969, 869 0.G. 687. The abstracts of Defensive Publication applications are identified by distinctly numbered series and are arranged chronologically. The heading of each abstract indicates the number of pages of specification, including claims and sheets of drawings contained in the application as originally filed. The files of these applications are available to the public for inspection and reproduction may be purchased for 30 cents a sheet.
Defensive Publication applications have not been examined as to the merits of alleged invention. The Patent Ofiice makes no assertion as to the novelty of the disclosed subject matter.
PUBLISHED AUGUST 8, 1972 190L025 NUVEL PHOTOGRAPHIC CUUPLERS Philip Thiam Shin lLau, 345 St. Andrews Drive, Rochester, N.Y. 14626 Filed Dec. 3, 1971, Ser. No. 204,726 Int. Cl. G03c 1/40, 7/00 US. Cl. 96100 No Drawing. 37 Pages Specification A class of color photographic elements containing azine magenta dye-forming S-hydroxy-1,3-benzoxathiol-2-one color photographic couplers of the formula 0 Q HO" S wherein each X substituent is individually defined as a halo group; an alkyl group; an alkylene group; an aryl group; a thioor oxy-connected heterocyclic group; an alkoxy group; a thioether group; an alkyl acyl group, an aryl acyl group, or otherwise defined as a ballasting moiety of the type commonly attached to couplers of a non-diffusible type designed to be incorporated in photographic emulsions; and wherein n is defined as an in teger of 0-3; also light-sensitive silver halide emulsions containing a non-diifusibie coupler within the above class, a color photographic developer composition containing a diifusible coupler within the above class; and a process for producing magenta photographic azine dyes 0f the formula it s 1 1w 2H5): wherein the substituent groups are defined as above, by contacting with oxidized color developing agent.
US901025D 1971-12-03 1971-12-03 Defensive publication Pending UST901025I4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20472671A 1971-12-03 1971-12-03

Publications (1)

Publication Number Publication Date
UST901025I4 true UST901025I4 (en) 1972-08-08

Family

ID=22759179

Family Applications (1)

Application Number Title Priority Date Filing Date
US901025D Pending UST901025I4 (en) 1971-12-03 1971-12-03 Defensive publication

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US (1) UST901025I4 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0193051A3 (en) * 1985-03-01 1987-05-27 Minnesota Mining And Manufacturing Company 2-equivalent cyan dye-forming 5-hydroxy-6-acylamino-benzoxazole-2-one couplers, silver halide photographic elements and processes employing them

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0193051A3 (en) * 1985-03-01 1987-05-27 Minnesota Mining And Manufacturing Company 2-equivalent cyan dye-forming 5-hydroxy-6-acylamino-benzoxazole-2-one couplers, silver halide photographic elements and processes employing them

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