Fuji Photo Film Company, Limited

Tooru Harada

Shinsaku Fujita

Yoshinobu Yoshida

Shigetoshi Ono

Osamu Takahashi

Minoru Sakai

Nobutaka Ohki

Isamu Itoh

Yasuhiro Noguchi

Tsutomu Hamaoka

Katsusuke Endo

Hidetoshi Hayashi

A color photographic light-sensitive material comprising a support having thereon at least one light-sensitive silver halide emulsion layer having associated therewith a compound encompassed by one of two general formulae which are specifically disclosed. The compound associated with the silver halide emulsion layer is an azo dye image-forming compound which provides a yellow dye image having excellent transferability and light fastness. The azo dye image forming compound is particularly suitable for use in a photographic material for a color diffusion transfer process. The disclosed material is capable of providing a transferred dye image with a high maximum image density (D.sub.max), a low minimum background density (D.sub.min), a good gradation and excellent color hue.

Color photographic light-sensitive material with azopyrazolone image dyes

A color photographic silver halide light-sensitive material is described comprising a compound represented by formula (I) ##STR1## wherein R.sup.1 and R.sup.3 can each represent an unsubstituted or substituted alkyl group or an unsubstituted or substituted aryl group, R.sup.2 can represent an unsubstituted or substituted alkyl group, R.sup.4 and R.sup.5 can each represent a hydrogen atom, an unsubstituted or substituted alkyl group, an unsubstituted or substituted aryloxy group, an unsubstituted or substituted alkylthio group, an unsubstituted or substituted arylthio group, a halogen atom, or an acylamino group, and R.sup.1 and R.sup.2, R.sup.1 and R.sup.4, or R.sup.2 and R.sup.5 together can represent atoms forming a condensed ring structure together with the benzene ring of formula (I), provided that the total of carbon atom numbers in R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 is at least 16.

Color photographic sensitive material with sulfonamidophenol scavenger

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 having associated therewith a compound represented by the following general formula (I): ##STR1## wherein X.sup.1 represents --J--NR.sup.2 -- or --NR.sup.2 --J-- wherein R.sup.2 represents a hydrogen atom or an alkyl group, and J represents --SO.sub.2 -- or --CO--; R.sup.1 represents an alkyl group; X.sup.2 represents --R.sup.3 --L).sub.k (R.sup.4).sub.e -- wherein R.sup.3 and R.sup.4, which may be the same or different, each represents an alkylene group, a substituted alkylene group, a phenylene group or a substituted phenylene group, L represents --O--, --CO--, --SO.sub.2 NH--, --CONH--, --NHSO.sub.2 --, --NHCO--, --SO.sub.2 -- or --SO--, k represents 0 or 1, and e represents 1 when k is 1, or 1 or 0 when k is 0, provided that when X.sup.2 bonds to X.sup.1, X.sup.1 bonds to R.sup.3 ; i and j each represents 0 or 1; and Y represents a moiety which provides, as a result of development processing under alkaline conditions, an azo dye compound having a different diffusibility from that of the azo dye image-forming compound represented by the formula (I).

Photographic light-sensitive sheet for the color diffusion transfer

A photographic light-sensitive element 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 the silver halide emulsion layers having associated therewith a dye releasing redox compound represented by the following general formula:

Photographic light-sensitive element for the color diffusion transfer

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 having associated therewith a dye image providing material represented by the following general formula: ##STR1## wherein Q.sup.1 represents a hydrogen atom, a halogen atom, a sulfamoyl group represented by the formula --SO.sub.2 NR.sup.3 R.sup.4 wherein R.sup.3 represents a hydrogen atom or an alkyl group; R.sup.4 represents a hydrogen atom or 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; a group represented by the formula --SO.sub.2 R.sup.5 wherein R.sup.5 represents an alkyl group or a benzyl group; a carboxy group, a group represented by the formula --COOR.sup.6 wherein R.sup.6 represents an alkyl group, a phenyl group or a substituted phenyl group or a group represented by the formula --CONR.sup.3 R.sup.4 wherein R.sup.3 and R.sup.4 each has the same meaning as defined above; Q.sup.2 is positioned at the 5- or the 8-position to the hydroxy group and represents a hydroxy group, a group represented by the formula --NHCOR.sup.4a or a group represented by the formula --NHSO.sub.2 R.sup.4a wherein R.sup.4a has the same meaning as R.sup.4 defined above, except for the absence of a hydrogen atom; R.sup.1a represents an alkylene group having 2 or more carbon atoms; R.sup.2a 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; m is 0 or 1; q is 0 or 1; J represents a divalent group selected from a sulfonyl group and a carbonyl group; Z represents a hydrogen atom, an alkyl group or a substituted alkyl group; X.sup.1 represents a divalent bonding group represented by the formula --A.sub. 1 --(L).sub.n --(A.sub.2).sub.p -- wherein A.sub.1 and A.sub.2 are the same or different and each represents an alkylene group or an arylene group; L represents a divalent group selected from an oxy group, a carbonyl group, a carboxyamido group, a carbamoyl group, a sulfonamido group, a sulfamoyl group, a sulfinyl group and a sulfonyl group, and n and p each represents 0 or 1; and G represents a hydroxyl group, a salt thereof, or a hydrolyzable acyloxy group represented by the formula ##STR2## wherein E represents an alkyl group, a substituted alkyl group or an aryl group. The compound is a dye image providing material which provides a magenta dye image having superior properties.

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 having associated therewith a compound represented by the following general formula (1): ##STR1## wherein Q.sup.1 represents a hydrogen atom; a halogen atom; a sulfamoyl group represented by the formula --SO.sub.2 NR.sup.3 R.sup.4 wherein R.sup.3 represents a hydrogen atom, or an alkyl group, m represents 0 or 1, R.sup.4 represents a hydrogen atom or R.sup.4a wherein R.sup.4a represents an alkyl group, an aralkyl group or a phenyl group, and R.sup.3 and R.sup.4 may combined directly or through an oxygen atom to form a ring; a group represented by the formula --SO.sub.2 R.sup.5 wherein R.sup.5 represents an alkyl group or an aralkyl group; a carboxy group; a group represented by the formula --COOR.sup.6 wherein R.sup.6 represents an alkyl group or a phenyl group; or a group represented by the formula --CONR.sup.3 R.sup.4 wherein R.sup.3 and R.sup.4 each has the same meaning as defined above; Q.sup.2 is positioned at the 5- or the 8-position to the G group and represents a hydroxy group, a group represented by the formula --NHCOR.sup.4a or a group represented by the formula --NHSO.sub.2 R.sup.4a wherein R.sup.4a has the same meaning as defined above; R.sup.1 and R.sup.2, which may be the same or different, each represents an alkyl group or an alkoxy group; BG is a bridging group; Y represents a redox center which functions to release a diffusible dye as a result of self cleavage upon oxidation; and G represents a hydroxyl group, a salt thereof, or a hydrolyzable acyloxy group represented by the formula ##STR2## wherein E represents an alkyl group or an aryl group. The compound is a dye image providing material which provides a magenta dye image having superior properties.

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.

A 2-alkoxyalkoxy-5-aminobenzenesulfonic acid represented by the following general formula (I): ##STR1## wherein R.sup.1 represents an alkylene group having 2 or more carbon atoms; and R.sup.2 represents an alkyl group. The compound can be used as an intermediate in the production of a dye releasing redox compound.

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Minami-ashigara, Japan

Tooru Harada