Abstract: A photographic element comprising at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula: wherein A is a silver halide adsorptive group that contains at least one atom of N, S, Se, or Te that promotes adsorption to silver halide, and Z is a light absorbing group including for example cyanine dyes, complex cyanine dyes, merocyanine dyes, complex merocyanine dyes, homopolar cyanine dyes, styryl dyes, oxonol dyes, hemioxonol dyes, and hemicyanine dyes, and XY is an fragmentable electron donor moiety in which X is an electron donor group and Y is a leaving group other than hydrogen, and wherein: 1) XY has an oxidation potential between 0 and about 1.4 V; and 2) the oxidized form of XY undergoes a bond cleavage reaction to give the radical X• and the leaving fragment Y. In a preferred embodiment of the invention, the radical X• has an oxidation potential ≦−0.7 V.

Abstract: A photographic element comprising at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula: ##STR1## wherein A is a silver halide adsorptive group that contains at least one atom of N, S, Se, or Te that promotes adsorption to silver halide, and Z is a light absorbing group including for example cyanine dyes, complex cyanine dyes, merocyanine dyes, complex merocyanine dyes, homopolar cyanine dyes, styryl dyes, oxonol dyes, hemioxonol dyes, and hemicyanine dyes, and XY is an fragmentable electron donor moiety in which X is an electron donor group and Y is a leaving group other than hydrogen, and wherein:1) XY has an oxidation potential between 0 and about 1.4 V; and2) the oxidized form of XY undergoes a bond cleavage reaction to give the radical X.sup..cndot. and the leaving fragment Y.In a preferred embodiment of the invention, the radical X.sup..cndot. has an oxidation potential .ltoreq.-0.7 V.

Abstract: An ultraviolet absorbing compound of formula (I) below, and photographic elements containing such a compound as an ultraviolet absorber: ##STR1## wherein: R.sub.1 -R.sub.4 independently is a hydrogen atom, a halogen atom such as fluoro, chloro, bromo, iodo or a combination thereof; a carbalkoxy group having at least one asymmetric carbon or asymmetric silicon atom; an alkoxy group having at least one asymmetric carbon or asymmetric silicon atom, with the proviso that R.sub.2 or R.sub.3, or both R.sub.2 and R.sub.3 are other than hydrogen;A* is a group having a carbon atom directly attached to 2'-hydroxyphenyl ring at the 5'-position which contains at least one asymmetric carbon atom or an asymmetric silicon atom, and;wherein the ultraviolet absorbing compound of formula (I) is a mixture of two enantiomers about the asymmetric carbon or silicon atom of A*.

Abstract: This invention relates to a photographic element containing a polymeric ultraviolet absorbing polymer fromed from an ultraviolet absorbing monomer of formula (I): ##STR1## where X is a bivalent linking group, and Y contains an ethylenically unsaturated functional group.

Abstract: An ultraviolet absorbing compound of formula (I) below, and photographic elements containing such a compound as an ultraviolet absorber: ##STR1## wherein: R.sub.4 is a substituted alkyl group, R.sub.4 may be further joined to either L or A* forming a ring and the benzo or phenyl ring shown may be further substituted or unsubstituted;L is a bivalent linking group;p is 0 or 1;A* is an alkyl group having an asymmetric carbon or asymmetric silicon atom, and;wherein the ultraviolet absorbing compound of formula (I) is a mixture of two enantiomers about the asymmetric carbon or silicon atom of A*.

Abstract: An ultraviolet absorbing polymer, and photographic elements containing such a polymer, which polymer includes units formed from monomers of the structure of formula (II): A photographic element containing an ultraviolet absorbing polymer which includes units formed from monomers of the structure of formula (I): ##STR1## wherein: p and q are, independently, 0 or 1;L and L.sub.2 are bivalent linking groups;R.sub.9 is a non-hydrogen group which does not contain any unsaturated carbon-carbon bonds;R.sub.10 is H, alkyl group, aryl group, or heterocyclyl group;A is an ethylenically unsaturated polymerizable group; the benzene ring of the benzotriazole and the 2'-hydroxyphenyl ring each may be further substituted or unsubstituted.

Abstract: Ultraviolet absorbing compounds of formula (I) and photographic elements containing such compounds: ##STR1## wherein: R.sub.4 is a bivalent linking group; the benzo or phenyl ring shown may be further substituted or unsubstituted;L is a bivalent linking group;p is 0 or 1;A* is an alkyl group having an asymmetric carbon or silicon atom, and;wherein the ultraviolet absorbing compound of formula (I) is a mixture of two enantiomers about the asymmetric carbon or silicon of A*.

Abstract: An ultraviolet absorbing monomer of formula (A): ##STR1## wherein: R.sub.4 and R5 are, independently, a substituted or unsubstituted alkylene with or without intervening oxygen, sulfur or nitrogen atoms; R.sub.6 is H or a substituted or unsubstituted methyl; and the benzo ring, the hydroxy substituted phenyl ring and the phenyl ring of the styryl group may be further substituted or unsubstituted. A method of making such monomers and photographic elements containing UV absorbing polymers formed from such monomers are also provided.

Abstract: An ultraviolet absorbing compound of formula (I) below, and photographic elements containing such a compound as an ultraviolet absorber: ##STR1## wherein: R.sub.4 is H or an alkyl group, and the benzo or phenyl ring shown may be further substituted or unsubstituted;X is --C(O)O-- wherein the carbonyl carbon is bonded to the N of NR.sub.4, or X is --SO.sub.2 --;L is a bivalent linking group;p is 0 or 1;A* is an alkyl group having an asymmetric carbon or silicon atom, and;wherein the ultraviolet absorbing compound of formula (I) is a mixture of two enantiomers about the asymmetric carbon or silicon of A*.

Abstract: An ultraviolet absorbing monomer of formula (A): ##STR1## wherein: R.sub.4 and R.sub.5 are, independently, a substituted or unsubstituted alkylene with or without intervening oxygen, sulfur or nitrogen atoms; R.sub.6 is H or a substituted or unsubstituted methyl; and the benzo ring, the hydroxy substituted phenyl ring and the phenyl ring of the styryl group may be further substituted or unsubstituted. A method of making such monomers and photographic elements containing UV absorbing polymers formed from such monomers are also provided.

Abstract: A photographic element with particular polymeric ultraviolet absorbers. The ultraviolet absorbers have repeating units of the formula: ##STR1## wherein: X is O or NH;Y is H or halogen;R.sub.1 is selected from the group consisting of H, halogen, alkoxy , straight chain or branched alkyl group of 1 to 8 carbons;R.sub.2 is C.sub.2 -C.sub.10 alkylene which may be straight chain or branched; andR.sub.3 is H or CH.sub.3.Elements of the invention have good fresh Dmin and image dye stability, and the ultraviolet absorbers therein are highly light stable.

Abstract: A novel red-sensitizing dye compound has a structure which contains a pentamethine oxonol chromophore linked to one or two cyanine chromophores. A photographic element comprises a support upon which is coated a silver halide emulsion layer comprising cubic silver halide crystals and said red-sensitizing dye compound.