The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 10, 1980
Filed:
Dec. 27, 1977
Applicant:
Inventors:
Assignee:
Konishiroku Photo Industry Co., Ltd., Nihonbashi-Muro, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430376 ; 430385 ; 430387 ; 430389 ; 430440 ; 430471 ;
Abstract
A color photosensitive material having a support and a silver halide photosensitive layer which material includes a coupler represented by the following formulas (IV), (V) or (VI) having therein a group represented by formula (I), said coupler being capable of forming an azomethine dye on coupling with the oxidation product of an aromatic primary amine developer: ##STR1## wherein the substituents on the above formulas is herein defined, is described, said couplers capable of giving improved light fastness.
Fujiwhara, Mitsuto. (1980). Light-sensitive silver halide color photographic materials (U.S. Patent No. 4207111). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4207111
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