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:
Jan. 27, 1981
Filed:
Jan. 03, 1980
Applicant:
Inventors:
Takashi Uchida, Hachioji, JP;
Shoji Kikuchi, Hachioji, JP;
Takashi Sasaki, Hino, JP;
Mikio Sato, Ebina, JP;
Assignee:
Konishiroku Photo Industry Co., Ltd., Nihonbashi-Muro, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430551 ; 430372 ; 430552 ;
Abstract
The stability of a cyan dye image formed by phenol and naphthol couplers is improved with respect to 'dark fading' by incorporating in the silver halide color photographic material in which the dye image is formed at least one 2-phenyl benzotriazole compound having in the 2'-position an --OR group wherein R is an organic residue.