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:
Oct. 21, 1980
Filed:
Apr. 13, 1979
Applicant:
Inventors:
Shigeru Nakamura, Minami-ashigara, JP;
Isao Shimamura, Minami-ashigara, JP;
Taku Nakamura, Minami-ashigara, JP;
Shinji Sakaguchi, Minami-ashigara, JP;
Takushi Miyazako, Minami-ashigara, JP;
Masatoshi Sugiysma, Minami-ashigara, JP;
Akio Mitsui, Minami-ashigara, JP;
Assignee:
Fuji Photo Film Co., Ltd., Minami-ashigara, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430390 ; 430449 ; 430462 ; 430630 ; 430943 ;
Abstract
A method for forming color images comprising processing a photographic element containing imagewise distributed silver in the presence of a polymer containing at least 30 mol % vinyl pyridines, a dye and an oxidizing agent to thereby oxidation-bleach the dye. Color images having excellent light fastness, heat resistance and humidity resistance are obtained.