Fuji Photo Film Company, Limited

Yoshinobu Yoshida

Nobutaka Ohki

Shinsaku Fujita

Tooru Harada

Shigetoshi Ono

Nobuo Furutachi

Isamu Itoh

Takatoshi Ishikawa

Nobuo Sakai

Yasushi Oishi

Hidetoshi Hayashi

A silver halide color photographic light-sensitive material is disclosed, containing: (1) a compound containing two units selected from the group represented by general formula (I) or (II) in the molecule, or (2) a polymer containing a group represented by general formula (I) or (II) as a pendant. ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, A, B and Q are defined herein. This compound or polymer functions as a color stain inhibitor in the light-sensitive material and provides various advantages; for example, it can efficiently remove the oxidized products of color developing agents, it can be used in light-sensitive materials reduced in thickness, and it is not subject to change in performance even after a long-term storage.

Color photographic light-sensitive material

A color image forming process which comprises developing a silver halide photographic material using an aromatic primary amine developing agent in the presence of a blocked magenta image forming coupler represented by the following general formula (I): ##STR1## wherein R represents a hydrogen atom or a substituent; X represents a hydrogen atom, a halogen atom, a carboxy group or a coupling releasable group; Cp represents a coupling block group capable of forming a colorless or alkali-soluble product by reaction with the oxidation product of a color developing agent; A represents ##STR2## when Cp is bonded and --N.dbd. when Cp is not bonded; B and E each represents ##STR3## when Cp is bonded and --N.dbd. or ##STR4## when Cp is not bonded; D represents --N.dbd. or ##STR5## (wherein R has the same significance as defined above and said Rs in said D and B and E may be the same or different); and   represents three movable double bonds; said Cp is nit, however, bonded to E when A, D and E simultaneously contain a nitrogen atom and B contains a carbon atom; said coupler may form a dimer or more oligomers at R or X; and said substituent Rs on adjacent carbon atoms may form a ring with each other. The color image forming process uses a blocked magenta color image forming coupler having high coloring speed and maximum coloring density and excellent stability.

Color image forming process comprising blocked magenta dye forming

A silver halide color photographic light-sensitive material containing a compound of the general formula (I) as a color stain inhibitor: ##STR1## R.sup.1, R.sup.2, R.sup.3, l, m and n are as defined herein. This color stain inhibitor has various advantages and is capable of efficiently removing oxidized color developing agents, can be used in light-sensitive materials with reduced layer thickness, and is free from changes in performance even after a long-term storage.

Color photographic light-sensitive materials

A color photographic material containing, as a color stain preventing agent, a substantially colorless phenol and/or naphthol derivative having a group which is not released by displacement of the oxidation product of an aromatic primary amine color developing agent at the 4-position thereof and at least one sulfonamido group and at least one sulfonamido group, acylamino group or sulfonyl group at other positions of the ring. The color stain preventing agent very effectively removes the oxidation product of a color developing agent at color development and maintain the effect for a long period of time.

Color photographic materials with phenol or naphthol ring compound

A novel color stain inhibitor is disclosed, which is a compound comprising a phenol or naphthol ring substituted by at least one substituted or unsubstituted sulfamoyl group. Preferred examples of these compounds are represented by the general formula (I): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and Q are as defined herein. In light-sensitive materials containing the color stain inhibitors of the present invention, color stain is efficiently prevented.

Color photographic light-sensitive material comprising phenol or

A silver halide photographic material is disclosed which is comprised of a support having formed thereon a light-sensitive silver halide layer and a particular compound represented by the general formulae (I), (II) and (III). The compound is utilized in the photographic material in order to prevent the occurrence of contaminations which are caused by metals intermixed in the silver halide photographic materials during production, packaging, preservation and/or processing. The presence of such compounds also prevents the deterioration of photographic materials caused by metal ions existing in processing solutions and aids in preventing the reduction in the uniformity of processing.

Silver halide photographic materials

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 having associated therewith a magenta dye releasing redox (DRR) compound.

A color photographic light-sensitive material, which comprises a transparent support having thereon at least one emulsion layer unit containing the following three layers and capable of simultaneously providing, as a result of exposure and development, both a diffusible dye with a positive image distribution and a non-diffusible dye with a negative image distribution:

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Kanagawa, Japan

Yoshinobu Yoshida