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:
Jan. 05, 1993

Filed:

Oct. 16, 1991
Applicant:
Inventors:

Koichi Nakamura, Kanagawa, JP;

Nobutaka Ohki, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430351 ; 430376 ; 430380 ; 430467 ; 430387 ; 430484 ; 430963 ;
Abstract

A method for processing an imagewise exposed color photographic material using fast developing time while maintaining stable processing conditions, reduced developer replenishing, and light fastness of developed color images. The method comprises developing a color photographic material containing silver halide grains comprising (i) substantially no silver iodide and (ii) at least about 80 mol % silver chloride with a developer comprising (i) substantially no benzyl alcohol and (ii) a p-phenylenediamine derivative represented by the formula (I): ##STR1## wherein R.sup.1 and R.sup.2 each represents an alkyl group having from 1 to 4 carbon atoms and R.sup.2 represents a straight chain or branched alkylene group having 3 or 4 carbon atoms and wherein the developing is for a period of time of less than 30 seconds.


Find Patent Forward Citations

Nakamura, Koichi. (1993). Method for processing silver halide color photographic materials (U.S. Patent No. 5176987). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5176987

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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