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:
Aug. 17, 1993

Filed:

Jul. 27, 1992
Applicant:
Inventors:

Michio Ono, Kanagawa, JP;

Takeshi Nakamine, Kanagawa, JP;

Hiroyuki Hirai, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03C / ; G03C / ;
U.S. Cl.
CPC ...
430214 ; 430218 ; 430442 ; 430505 ; 430551 ; 430559 ; 430566 ;
Abstract

A color light-sensitive material comprising a support having thereon at least one light-sensitive layer containing light-sensitive silver halide, and further comprising in the at least one light-sensitive layer or any other layer, independently, a binder, a reducible dye-providing compound, and a reducing agent represented by formula (I): ##STR1## wherein X represents --CO-- or --SO.sub.2 --; R.sup.1 and R.sup.2, which may be the same or different, each represents an alkyl group, an aryl group or a heterocyclic group, any of which groups may be substituted; R.sup.3 represents a hydrogen atom, a halogen atom, an aryl group, an acylamino group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an acyl group, a sulfonyl group, a carbamoyl group or a sulfamoyl group, any of which groups may be substituted; R.sup.2 and R.sup.3 may be combined together to form a carbocyclic ring or a heterocyclic ring; and the reducing agent may be in the form of a dimer or a trimer through R.sup.1 or R.sup.2.


Find Patent Forward Citations

Loading…