Silver halide photographic printing paper

Claim 1

In silver halide photographic printing paper comprising at least one silver halide photographic emulsion layer applied to a water impermeable reflective base, the improvement wherein said silver halide emulsion layer is spectrally sensitized with at least one cyanine dye represented by general formulae I and II, and an emulsified dispersion or latex dispersion of a water insoluble fluorescent whitening agent contained in a hydrophilic vehicle of at least one layer applied to the base on the same side as said silver halide emulsion layer: ##STR8## wherein Y 1 and Y 2 each represents an O atom, --N--R 7 or a S atom, wherein R 7 represents a lower alkyl group, A represents H or a lower alkyl group having 4 or less carbon atoms, R 1 , R 2 , R 3 and R 4 each represents --H, --CH 3 , --OCH 3 , --CH 2 H 5 , --OC 2 H 5 , --CN, --Cl, --F, --CF 3 , --COOH, --COOCH 3 or --COOC 2 H 5 , R 5 and R 6 each represents a substituted or non-substituted lower alkyl group, but at least one of R 5 and R 6 is substituted by a sulfo group, and X represents an anionic residue, and wherein the water insoluble fluorescent whitening agent is selected from the compounds represented by the following formulae: ##STR9## wherein Y 1 and Y 2 each represents an alkyl group, Z 1 and Z 2 each represents hydrogen or an alkyl group, n is 1 or 2, R 1 , R 2 , R 3 , R 4 and R 5 each represents an aryl group, an alkyl group, an alkoxy group, an aryloxy group, a hydroxyl group, an amino group, a cyano group, a carboxyl group, an amide group, an ester group, an alkylcarbonyl group, an alkylsulfo group, a dialkylsulfonyl group or a hydrogen atom, R 6 and R 7 each represents a hydrogen atom, an alkyl group, or a cyano group, R 16 represents a phenyl group, a halogen atom or an alkyl substituted phenyl group, a halogen atom or an alkyl substituted phenyl group, and R 15 represents an amino group or an organic primary or secondary amino group.

Claim 13

A method of black-and-white development processing comprising processing, with a black and white developer, a silver halide photographic printing paper comprising at least one silver halide photographic emulsion layer applied to a water impermeable reflective base, wherein said silver halide emulsion layer is spectrally sensitized with at least one cyanine dye represented by general formulae I and II, and an emulsified dispersion or latex dispersion of a water insoluble fluorescent whitening agent contained in a hydrophilic vehicle of at least one layer applied to the base on the same side as said silver halide emulsion layer: ##STR10## wherein Y 1 and Y 2 each represents an O atom, --N--R 7 or a S atom, wherein R 7 represents a lower alkyl group, A represents H or a lower alkyl group having 4 or less carbon atoms, R 1 , R 2 , R 3 and R 4 each represents --H, --CH 3 , --OCH 3 , --C 2 H 5 , --OC 2 H 5 , --CN, --Cl, --F, --CF 3 , --COOH, --COOCH 3 or --COOC 2 H 5 , R 5 and R 6 each represents a substituted or non-substituted lower alkyl group, but at least one of R 5 and R 6 is substituted by a sulfo group, and X represents an anionic residue, and wherein the water insoluble fluorescent whitening agent is selected from the compounds represented by the following formulae: ##STR11## wherein Y 1 and Y 2 each represents an alkyl group, Z 1 and Z 2 each represents hydrogen or an alkyl group, n is 1 or 2, R 1 , R 2 , R 3 , R 4 and R 5 each represents an aryl group, an alkyl group, an alkoxy group, an aryloxy group, a hydroxyl group, an amino group, a cyano group, a carboxyl group, an amide group, an ester group, and alkylcarbonyl group, an alkylsulfo group, a dialkylsulfonyl group or a hydrogen atom, R 6 and R 7 each represents a hydrogen atom, an alkyl group, or a cyano group, R 16 represents a phenyl group, a halogen atom or an alkyl substituted phenyl group, R 15 represents an amino group or an organic primary or secondary amino group.

Claim 14

A method of black-and-white development processing comprising processing, with a black and white developer, a silver halide photographic printing paper comprising at least one silver halide photographic emulsion layer applied to a water impermeable reflective base, wherein said silver halide emulsion layer is spectrally sensitized with at least one cyanine dye represented by general formulae I and II, and an emulsified dispersion or latex dispersion of a water insoluble fluorescent whitening agent contained in a hydrophilic vehicle of at least one layer applied to the base on the same side as said silver halide emulsion layer: ##STR10## wherein Y 1 and Y 2 each represents an O atom, --N--R 7 or a S atom, wherein R 7 represents a lower alkyl group, A represents H or a lower alkyl group having 4 or less carbon atoms, R 1 , R 2 , R 3 and R 4 each represents --H, --CH 3 , --OCH 3 , --C 2 H 5 , --OC 2 H 5 , --CN, --Cl, --F, --CF 3 , --COOH, --COOCH 3 or --COOC 2 H 5 , R 5 and R 6 each represents a substituted or non-substituted lower alkyl group, but at least one of R 5 and R 6 is substituted by a sulfo group, and X represents an anionic residue, and wherein the water insoluble fluorescent whitening agent is selected from the compounds represented by the following formulae: ##STR11## wherein Y 1 and Y 2 each represents an alkyl group, Z 1 and Z 2 each represents hydrogen or an alkyl group, n is 1 or 2, R 1 , R 2 , R 3 , R 4 and R 5 each represents an aryl group, an alkyl group, an alkoxy group, an aryloxy group, a hydroxyl group, an amino group, a cyano group, a carboxyl group, an amide group, an ester group, and alkylcarbonyl group, an alkylsulfo group, a dialkylsulfonyl group or a hydrogen atom, R 6 and R 7 each represents a hydrogen atom, an alkyl group, or a cyano group, R 16 represents a phenyl group, a halogen atom or an alkyl substituted phenyl group, R 15 represents an amino group or an organic primary or secondary amino group.