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.

Date of Patent:
Nov. 09, 1993

Filed:

Aug. 11, 1992
Applicant:
Inventors:

Naoki Takabayashi, Hino, JP;

Mitsuhiko Uno, Hino, JP;

Masaaki Furuya, Hino, JP;

Assignee:

Konica Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430491 ; 430484 ; 430485 ; 430486 ; 430490 ;
Abstract

A concentrated composition of color developer for silver halide color photographic light-sensitive material is disclosed. The composition is excellent in stability during storage for a long period. The composition comprises a specified hydroxyamine derivative and a specific chelating agent. The composition preferably has a pH value of not lower than 10.6.


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