Silver halide photo-sensitive material prepared with solvent and solvent soluble polymer

Claim 3

A method according to claim 1 wherein said hydrophobic photographic substance is a hydrophobic coupler.

Claim 4

A method according to claim 1 wherein the polymer is a homopolymer or copolymer with at least one copolymerizable unsaturated monomer represented by the following general formula (II) ##STR19## wherein the formula, R 1 represents a hydrogen atom or methyl group; R 2 represents a hydrogen atom or alkyl containing 1 to 12 carbon atoms; X represents an alkylene, haloalkylene or hydroxyalkylene group containing 2 to 8 carbon atoms; and n is an integer of 1 to 50, said copolymerizable monomer being selected from the group consisting of acrylic acid, ethacrylic acid, methacrylic acid, an acrylamide, a methacrylamide, methyl sorbate, an allyl compound, a vinyl ether, a vinyl ester, a vinyl heterocyclic compound, styrene, alkyl styrene, chloroacrylic acid, mesaconic acid, halostyrene, maleic acid, fumaric acid, itaconic acid, citraconic acid, crotonic acid, an acrylate, a methacrylate, a vinyl ketone, an olefin, itaconic anhydride, an alkyl itaconate, sorbic acid, cinnamic acid, maleic anhydride, an alkyl maleate, halogenated olefin, an alkyl fumarate and an unsaturated nitrile.

Claim 5

A method according to claim 1 wherein said organic solvent is a lower boiling organic solvent.

Claim 6

A method according to claim 4 wherein the organic solvent is a member selected from the group consisting of methyl acetate, ethyl acetate, methyl isobutyl ketone, beta-ethoxyethyl acetate, methyl carbitol, dioxane, cyclohexanone and dipropylene glycol.

Claim 7

A photo-sensitive material prepared by the process of claim 1.

Claim 8

A photo-sensitive material according to claim 6 in which the polymer is a homopolymer or copolymer with at least one copolymerizable unsaturated monomer represented by the following general formula (II) ##STR20## wherein the formula, R 1 represents a hydrogen atom or methyl group; R 2 represents a hydrogen atom or alkyl containing 1 to 12 carbon atoms; X represents an alkylene, haloalkylene or hydroxyalkylene group containing 2 to 8 carbon atoms; and n is a integer of 1 to 50, said copolymerizable monomer being selected from the group consisting of acrylic acid, ethacrylic acid, methacrylic acid, an acrylamide, a methacrylamide, methyl sorbate, a allyl compound, a vinyl ether, a vinyl ester, a vinyl heterocyclic compound, styrene alkyl styrene, chloroacrylic acid, mesaconic acid, halostyrene, maleic acid, fumaric acid, itaconic acid, citraconic acid, crotonic acid, an acrylate, a methacrylate, a vinyl ketone, an olefin, itaconic anhydridem, an alkyl itaconate, sorbic acid, cinnamic acid, maleic anhydride, a alkyl maleate, halogenated olefin, an alkyl fumarate and an unsaturated nitrile.

Claim 9

A silver halide photo-sensitive material according to claim 7 suitable for color photography and wherein the hydrophilic colloid containing layer comprises a silver halide photo emulsion containing dispersed therein a mixture of said polymer and a hydrophobic coupler, said mixture having an average particle size not exceeding 5 microns.

Claim 10

A silver halide photo-sensitive material according to claim 8 wherein said emulsion also has dispersed therein a high boiling oil former, said mixture of polymer and hydrophobic coupler has an average particle size not exceeding 0.2 microns, the weight ratio of polymer to coupler being from 1.0 to 0.05:1, said polymer being a polymer of 20 to 70% of said monomer having furmula II, with 80 to 30% of said copolymerizable monomer.

Claim 11

The silver halide photo-sensitive material prepared by the method of claim 3.

Claim 12

A silver halide photo-sensitive material according to claim 20 wherein R 2 is hydrogen.

Claim 13

A photo-sensitive material according to claim 6 in which the n in the general formula (I) is an integer of 1 to 10.

Claim 14

A photo-sensitive material according to claim 6 in which the R 2 in the general formula (I) is a hydrogen atom or alkyl group containing 1 to 5 carbon atoms.

Claim 15

A photo-sensitive material according to claim 7 in which the n in the general formula (II) of the monomer is an integer of 1 to 10.

Claim 16

A photo-sensitive material according to claim 7 in which the R 2 in the general formula (II) of the monomer is a hydrogen atom or alkyl group containing 1 to 5 carbon atoms.

Claim 17

A photo-sensitive material according to claim 7 in which the polymer contains as its integral units 20 to 70 mol% of the monomer represented by the general formula (II).

Claim 18

A photo-sensitive material according to claim 6 in which the organic solvent-soluble polymer is used in a weight ratio to hydrophilic photographic material of from 1.0 to 0.05.

Claim 19

A photo-sensitive material according to claim 6 in which the hydrophobic photographic substance is a hydrophobic coupler.

Claim 20

A photo-sensitive material according to claim 18 in which the hydrophobic coupler is a member selected from the class consisting of the compounds represented by one of the following general formulae (III), (IV), (V), and (VI) ##STR21## where, in the formula, R 11 represents a primary, secondary or tertiary alkyl group or substituted alkyl group, aryl group, heterocyclic radical, amino group, carbonamido group, ureido group or alkoxy group; R 12 represents a hydrogen atom, aryl group or substituted aryl group, heterocyclic radical or alkyl group; and Z 1 represents a hydrogen atom or radical capable of being liberated during development, ##STR22## where, in the formula, R 13 represents a primary, secondary or tertiary alkyl group or substituted alkyl group containing 1 to 18 carbon atoms, aryl group, substituted aryl group or amino group; R 14 represents an aryl group or substituted aryl group; and Z 2 represents a hydrogen atom or radical capable of being liberated during development, ##STR23## where, in the formula, R 15 represents a substituent that is conventional in cyan couplers; and Z 3 represents a hydrogen atom or radical capable of being liberated during development, and ##STR24## where, in the formula, R 16 represents an alkyl group, aryl group, heterocyclic radical, amino group, carbonamido group, sulfamyl group or carbamyl group; R 17 , R 18 , and R 19 are as defined for R 16 or halogen or alkoxy; and Z 4 represents a hydrogen atom or radical capable of being liberated during development.

Claim 21

A photo-sensitive material according to claim 6 in which the hydrophilic colloid layer is a silver halide photo emulsion layer.

Claim 22

A photo-sensitive material according to claim 8 in which the hydrophilic colloid contains in addition a high boiling oil former.

Claim 23

A photo-sensitive material according to claim 8 in which the hydrophobic photographic substance is a hydrophobic coupler.