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. 13, 1981

Filed:

Feb. 21, 1979
Applicant:
Inventors:

Shinsaku Fujita, Minami-ashigara, JP;

Tooru Harada, Minami-ashigara, JP;

Katsusuke Endo, Minami-ashigara, JP;

Assignee:

Fuji Photo Film Co., Ltd., Minami-ashigara, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430223 ; 430225 ; 430226 ; 430562 ;
Abstract

A photographic light-sensitive sheet for the color diffusion transfer process which comprises a support having thereon at least one light-sensitive silver halide emulsion layer with at least one of said silver halide emulsion layers having associated therewith a compound represented by the following general formula (I): ##STR1## wherein Q represents a cyano group, a trifluoromethyl group or a carbamoyl group represented by the formula --CONR.sup.3 R.sup.4 wherein R.sup.3 represents a hydrogen atom or an alkyl group; R.sup.4 represents a hydrogen atom, an alkyl group, an aralkyl group or an aryl group; and R.sup.3 and R.sup.4 may combine directly or through an oxygen atom to form a ring; M represents a hydrogen atom, an alkyl group, an alkoxy group, a sulfamoyl group represented by the formula --SO.sub.2 NR.sup.3 R.sup.4, wherein R.sup.3 and R.sup.4 are as defined above, a group represented by the formula --COOR.sup.5 wherein R.sup.5 represents an alkyl group, a phenyl group or a substituted phenyl group; or a halogen atom; R.sup.1a and R.sup.1b, which may be the same or different, each represents an alkylene group having 2 or more carbon atoms; R.sup.2a and R.sup.2b, which may be the same or different each represents an alkyl group, Y represents a moiety which releases or provides, as a result of development processing under alkaline conditions, an azo dye having a different diffusibility from that of said dye image-providing material and m represents 0 or 1. The compound is a dye image providing material which provides a yellow dye image having excellent properties.


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