Photographic element having overcoating of ionic polyester in hydrophilic colloid

Claim 2

In a photographic element comprising a support having thereon at least one photosensitive silver halide emulsion layer having associated therewith a dye image-providing material, the improvement wherein said element has, over said emulsion layer, an overcoat layer comprising an ionic polyester in a hydrophilic colloid at a weight ratio of 1:5 to 10:1, said polyester comprising recurring units of: (I) a diol component which comprises: (a) at least 50 mole percent of units derived from diols having the structures: (i) ##STR9## wherein n is an integer of from 1 to 4; and (ii) O--(RO)-- m , wherein m is an integer of from 2 to 4, and R is an alkylene group of 2 to about 4 carbon atoms; and (b) 0 to 50 mole percent of units derived from one or more diols having the structure: --O--R.sup.1 --O-- wherein R 1 is an alkylene group of up to about 16 carbon atoms, a cycloalkylene group of 6 to about 20 carbon atoms, a cycloalkylenebisalkylene group of 8 to about 20 carbon atoms, an arylenebisalkylene group of 8 to about 20 carbon atoms, or an arylene group of 6 to about 12 carbon atoms; and (II) an acid component which comprises: (a) 8 to 30 mole percent of units derived from one or more ionic dicarboxylic acids, said units having the structures: ##STR10## wherein M is ammonium or a monovalent metal; and (b) 70 to 92 mole percent of recurring units derived from other diacids.

Claim 3

The photographic element of claim 1 wherein said recurring units derived from said other diacids comprise one or more of the following: (A) 0 to 80 mole percent of diacids selected from the group consisting of: (I) aliphatic dicarboxylic acids, said units having the structure: ##STR11## wherein p is an integer of from 2 to 12; (II) cycloaliphatic diacids, said units having the structures: ##STR12## (III) aromatic diacids, said units having the structure: ##STR13## (B) 0 to 60 mole percent of recurring units having the structure: ##STR14## (C) 0 to 30 mole percent of recurring units derived from an alkylenebisamide, said units having the structure: ##STR15## wherein each Z is iminocarbonyl or carbonylimino, and q is an integer of from 6 to 10.

Claim 4

The photographic element of claim 1 wherein said hydrophilic colloid is gelatin.

Claim 5

The photographic element of claim 1 wherein said overcoat layer comprises poly[1,4-cyclohexylenebis(oxyethylene)-co-1,4-cyclohexylenedimethylene (50:50) succinate-co-3,3'-(1,4-phenylene)bisacrylate-co-1,6-hexylenebis(iminocarbonyl-4-benzoate)-co-3,3'-sodioiminodisulfonyldibenzoate (55:20:10:15)]; poly[1,4-cyclohexylenebis(oxyethylene) succinate-co-3,3'-(1,4-phenylene)bisacrylate-co-1,6-hexylenebis(iminocarbonyl-4-benzoate)-co-3,3'-sodioiminodisulfonyldibenzoate (55:20:10:15)]; poly[1,4-cyclohexylenebis(oxyethylene) succinate-co-3,3'-(1,4-phenylene)bisacrylate-co-1,8-octylenebis(carbonylimino-4-benzoate)-co-3,3'-sodioiminodisulfonyldibenzoate (55:20:10:15)]; poly[1,4-cyclohexylenebis(oxyethylene) succinate-co-3,3'-(1,4-phenylene)bisacrylate-co-5-(4-sodiosulfophenoxy)-1,3-benzenedicarboxylate (15:55:30)]; poly[1,4-cyclohexylenebis(oxyethylene) succinate-co-3,3'-(1,4-phenylene)bisacrylate-co-5-(4-sodiosulfophenoxy)-1,3-benzenedicarboxylate (45:40:15)]; poly[1,4-cyclohexylenebis(oxyethylene) succinate-co-3,3'-(1,4-phenylene)bisacrylate-co-5-(4-sodiosulfophenoxy)-1,3-benzenedicarboxylate (60:10:30)]; poly[1,4-cyclohexylenebis(oxyethylene) sebacate-co-3,3'-(1,4-phenylene)bisacrylate (80:20)]; or poly[1,4-cyclohexylenebis(oxyethylene) terephthalate-co-1-methyl-1-cyclohexene-4,5-dicarboxylate-co-5-(N-potassio-p-tolylsulfonamidosulfonyl)-1,3-benzenedicarboxylate (10:70:20)].

Claim 6

The photographic element of claim 1 wherein said dye image-providing material is a ballasted, redox dye-releaser.

Claim 7

The photographic element of claim 1 wherein said dye image-providing material is a ballasted sulfonamido compound which is alkali-cleavable upon oxidation to release a diffusible color-providing moiety, said compound having the formula: ##STR16## wherein: (a) Col is a dye or dye precursor moiety; (b) Ballast is an organic ballasting radical of such molecular size and configuration as to render said compound nondiffusible in the photosensitive element during development in an alkaline processing composition; (c) G is OR 2 or NHR 3 wherein R 2 is hydrogen or a hydrolyzable moiety and R 3 is hydrogen or an alkyl group of 1 to 22 carbon atoms; (d) Y represents the atoms necessary to complete a benzene nucleus, a naphthalene nucleus or a 5- to 7-membered heterocyclic ring; and (e) n is a positive integer of 1 to 2 and is 2 when G is OR 2 or when R 3 is a hydrogen or an alkyl group of less than 8 carbon atoms.

Claim 8

The photographic element of claim 6 wherein G is OH, n is 2 and Y is a naphthalene nucleus.

Claim 9

The photographic element of claim 1 wherein said silver halide emulsion is a direct-positive silver halide emulsion.

Claim 10

The photographic element of claim 1 wherein said dye image-providing material is a ballasted, electron-accepting nucleophilic displacement compound.

Claim 11

The photographic element of claim 1 wherein a neutralizing layer and a timing layer are located between said support and said silver halide emulsion layer, said neutralizing layer being located adjacent said support.

Claim 12

In a photographic element comprising a support having thereon, in order, a neutralizing layer, a timing layer, a red-sensitive silver halide emulsion layer having associated therewith a cyan dye image-providing material, a green-sensitive silver halide emulsion layer having associated therewith a magenta dye image-providing material, and a blue-sensitive silver halide emulsion layer having associated therewith a yellow dye image-providing material, the improvement wherein said element has, over said blue-sensitive emulsion layer, an overcoat layer comprising an ionic polyester in a hydrophilic colloid at a weight ratio of 1:5 to 10:1, said polyester comprising recurring units of: (I) a diol component which comprises: (a) at least 50 mole percent of units derived from diols having the structures: ##STR17## wherein n is an integer of from 1 to 4; and (ii) O--(RO)-- m , wherein m is an integer of from 2 to 4, and R is an alkylene group of 2 to about 4 carbon atoms; and (b) 0 to 50 mole percent of units derived from one or more diols having the structure: --O--R.sup.1 --O-- wherein R 1 is an alkylene group of up to about 16 carbon atoms, a cycloalkylene group of 6 to about 20 carbon atoms, a cycloalkylenebisalkylene group of 8 to about 20 carbon atoms, an arylenebisalkylene group of 8 to about 20 carbon atoms, or an arylene group of 6 to about 12 carbon atoms; and (II) an acid component which comprises: (a) 8 to 30 mole percent of units derived from one or more ionic dicarboxylic acids, said units having the structures: ##STR18## wherein M is ammonium or a monovalent metal; and (b) 70 to 92 mole percent of recurring units derived from other diacids.

Claim 13

In a photographic element comprising a support having thereon, in order, a neutralizing layer, a timing layer, a red-sensitive silver halide emulsion layer having associated therewith a cyan dye image-providing material, a green-sensitive silver halide emulsion layer having associated therewith a magenta dye image-providing material, and a blue-sensitive silver halide emulsion layer having associated therewith a yellow dye image-providing material, the improvement wherein said element has, over said blue-sensitive emulsion layer, an overcoat layer comprising an ionic polyester in a hydrophilic colloid at a weight ratio of 1:5 to 10:1, said polyester comprising recurring units of: (I) a diol component which comprises: (a) at least 50 mole percent of units derived from diols having the structures: ##STR17## wherein n is an integer of from 1 to 4; and (ii) O--(RO)-- m , wherein m is an integer of from 2 to 4, and R is an alkylene group of 2 to about 4 carbon atoms; and (b) 0 to 50 mole percent of units derived from one or more diols having the structure: --O--R.sup.1 --O-- wherein R 1 is an alkylene group of up to about 16 carbon atoms, a cycloalkylene group of 6 to about 20 carbon atoms, a cycloalkylenebisalkylene group of 8 to about 20 carbon atoms, an arylenebisalkylene group of 8 to about 20 carbon atoms, or an arylene group of 6 to about 12 carbon atoms; and (II) an acid component which comprises: (a) 8 to 30 mole percent of units derived from one or more ionic dicarboxylic acids, said units having the structures: ##STR18## wherein M is ammonium or a monovalent metal; and (b) 70 to 92 mole percent of recurring units derived from other diacids.