Abstract: A silver halide photographic light-sensitive material is described containing in its outermost layer a high molecular weight matting agent formed from at least one kind of alkali insoluble synthetic polymer grains having a glass transition point of at least 60.degree. C. and an average grain size of from 0.2 to 10, and said polymer is represented by the formula (I):--A).sub.x (B).sub.y (C).sub.z (I)wherein A represents a divalent group derived from at least one monomer having the formula (II); B represents a divalent group derived from at least one monomer having the formula (III), whose homopolymer has a glass transition point of at least 50.degree. C.; C represents a divalent group derived from an ethylenic unsaturated monomer other than A or B which is capable of copolymerizing with the monomers forming both A and B; x represents the fractional content of group A, which ranges from 0.005 to 0.20 mol/mol of polymer of formula (I); y represents the fractional content of group B, which ranges from 0.50 to 0.

Abstract: A loaded polymer latex composition is disclosed. The composition comprises an aqueous polymer latex whose dispersed phase is made up of a specified cross-linked quaternary salt polymer loaded with a specified hydrophobic substance. The latex composition can be advantageously employed as a mordant polymer in a photographic element for a color diffusion transfer process. Use of the latex improves light resistance without lowering the maximum densities of the film images.

Abstract: A photographic light-sensitive material is described comprising a support having thereon at least two silver halide photographic emulsion layers capable of forming a silver image upon treatment with an alkaline processing solution in the presence of a developing agent for silver halide after exposure, said material containing an interlayer positioned between said emulsion layers, wherein the improvement comprises said interlayer containing a complex which is formed from a mixture of hydroquinone derivatives having a solidifying point of 100.degree. C. or less, and which are different compounds from the developing agent for silver halide used in the treatment of the material, and a homopolymer or copolymer containing a recurring unit represented by formula (I): ##STR1## wherein R.sub.1 represents a hydrogen atom or a methyl group; Q represents of chemical bond, --COOR.sub.2 -- or --CONHR.sub.2 --; A represents a chemical bond or an oxygen atom; B represents a chemical bond or ##STR2## D represents --CH=CH).

Abstract: In a photographic element for the color diffusion transfer process including a neutralizing system for reducing the pH of an aqueous alkaline developing solution which comprises a neutralizing layer and a timing layer wherein the timing layer is positioned on or under the neutralizing layer in direct or indirect contact therewith such that the aqueous alkaline developing solution reaches the neutralizing layer through the timing layer, the improvement which comprises said timing layer comprising a mixture of at least one polymer latex the minimum film forming temperature of which is 35.degree. C. or less (Group I) and at least one polymer latex the minimum film forming temperature of which is more than 35.degree. C.

Abstract: In a photographic element for the color diffusion transfer process having a neutralizing system comprising a neutralizing layer and a timing layer, the improvement which comprises said timing layer containing a mixture of acetyl cellulose and a polymer represented by the general formula (I): ##STR1## wherein A represents a repeating unit represented by the general formula (II): ##STR2## wherein R.sub.2 represents a hydrogen atom, a halogen atom, or a methyl group; R.sub.3 represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, ##STR3## R.sub.4 represents an alkyl group or an aralkyl group; R.sub.5 and R.sub.6, which may be the same or different, each represents an alkyl group, an aryl group, or an aralkyl group; and a represents 0 or 1; R.sub.

Abstract: In a photographic element for the color diffusion transfer process including a neutralizing system for reducing the pH of an aqueous alkaline developing solution which comprises a neutralizing layer and a timing layer, wherein the timing layer is positioned on or under the neutralizing layer in direct or indirect contact therewith such that the aqueous alkaline developing solution reaches the neutralizing layer through the timing layer, the improvement which comprises the timing layer comprising a polymer latex which is produced by emulsion polymerization of each of at least one monomer selected from the group consisting of monomers of Group (A), at least one monomer selected from the group consisting of monomers of Group (B) and at least one monomer selected from the group consisting of monomers of Group (C), wherein said Group (A) monomers are represented by the following formula (I): ##STR1## wherein R represents a hydrogen atom or a methyl group; T represents a hydrogen atom or an aliphatic group; Q repre

Abstract: In a photographic element for the color diffusion transfer process including a neutralizing system for reducing the pH of an aqueous alkaline developing solution which comprises a neutralizing layer and a timing layer, wherein the timing layer is positioned on or under the neutralizing layer in direct or indirect contact therewith such that the aqueous alkaline developing solution reaches the neutralizing layer through the timing layer, the improvement which comprises the timing layer comprising a polymer latex which is produced by emulsion polymerization of (1) each of (A) at least one monomer selected from the group consisting of ethylene-type monomers having at least a free carboxylic acid group, a free sulfonic acid group or a free phosphoric acid group or a salt thereof, (B) at least one monomer selected from the group consisting of monomers represented by the following general formula (1) ##STR1## wherein X is a hydrogen atom, a methyl group or a --COOR.sup.

Abstract: A method for forming color images comprising processing a photographic element containing imagewise distributed silver in the presence of a polymer containing at least 30 mol % vinyl pyridines, a dye and an oxidizing agent to thereby oxidation-bleach the dye. Color images having excellent light fastness, heat resistance and humidity resistance are obtained.

Abstract: A silver halide photo-sensitive material is provided having a hydrophilic colloid layer containing dispersed therein finely divided particles of a substantially water-immiscible mixture containing a hydrophobic photographic substance. The aforesaid mixture contains a polymer having recurring units represented by the following general formula (I) ##STR1## where, in the above formula, R.sub.1 represents a hydrogen atom or methyl group, R.sub.2 represents a hydrogen atom or substituted or unsubstituted aliphatic hydrocarbon radical containing 1 to 12 carbon atoms, X represents a bivalent substituted or unsubstituted aliphatic hydrocarbon radical containing 2 to 8 carbon atoms, and n is an integer of 1 to 50.

Abstract: In a photographic element for the color diffusion transfer process including a neutralizing system for reducing the pH of an aqueous alkaline processing solution which comprises a neutralizing layer and a timing layer, the improvement which comprises the timing layer comprising a polymer latex which is produced by emulsion polymerization of (1) each of (A) at least one monomer selected from the group consisting of ethylene-type monomers having at least a free carboxylic acid group, a free sulfonic acid group or a free phosphoric acid group or a salt thereof and (B) at least one monomer selected from the group consisting of monomers represented by the following general formula (I) ##STR1## wherein X is a hydrogen atom, a methyl group or a --COOR.sup.1 group; Y is a hydrogen atom, a methyl group or a --(CH.sub.2).sub.n COOR.sup.2 group; Z is an aryl group, a --COOR.sup.3 group or a ##STR2## group; R.sup.1, R.sup.2 and R.sup.

Abstract: In a color diffusion-transfer photographic element comprising a support carrying at least two color image forming units, each comprising a selectively sensitized silver halide emulsion layer and a color image-forming material contained in either said silver halide emulsion layer or a layer adjacent to said silver halide emulsion layer, there is provided an intermediate layer between two of said color image-forming units or protective overcoating layer comprising a polymer of at least one monoacrylate or monomethacrylate of an aliphatic polyhydric alcohol.

Abstract: A dye mordant composition containing a polymer comprising repeating units with at least 20 mol % of the repeating units having the general formula (I): ##STR1## wherein R.sub.1 represents an alkyl group containing 1 to 12 carbon atoms, an aralkyl group, an aryl group or an allyl group; R.sub.2 and R.sub.3, which may be the same or different, each represents a hydrogen atom, an alkyl group, an aralkyl group, an aryl group or an allyl group, where the total number of carbon atoms contained in the main chain and/or ring of R.sub.2 and R.sub.3 is less than 16; n represents an integer from 2 to 20; and X.sup..crclbar. represents an anion.

Abstract: In a color diffusion transfer photographic material comprising a photosensitive element including at least one light-sensitive silver halide emulsion layer having a dye image providing material associated therewith, an image receiving element for fixing the diffusible dye formed from said dye image providing material to form a dye image, an alkaline processing composition capable of developing the exposed photosensitive element, and, if necessary, a hydrophilic colloid layer, the photographic material further having neutralizing means for reducing the pH of the alkaline processing composition.

Abstract: A color photographic light-sensitive material having at least one silver halide photographic emulsion layer containing a hydrophobic coupler, in which the color photographic material additionally contains both a polymer having a recurring unit represented by the following general formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom or a lower alkyl group and R.sup.2 and R.sup.3 each represents a hydrogen atom, an aliphatic hydrocarbon group, an aromatic hydrocarbon group, an alkyl-substituted amino group or an aryl-substituted amino group, with the proviso that both of R.sup.2 and R.sup.3 are not simultaneously hydrogen atoms, the total number of carbon atoms in R.sup.2 and R.sup.3 is 4 to 12, R.sup.2 and R.sup.3 do not contain an acidic group, and R.sup.2 and R.sup.3 can combine to form a ring;And a polymer having a recurring unit represented by the following general formula (II); ##STR2## wherein R.sup.4 has the same meaning as R.sup.1 ; and Q represents (1) --(CH.sub.2).sub.

Abstract: Water-soluble oxidation-reduction polymers containing therein recurring units of the formula (I): ##STR1## or recurring units of formula (II): ##STR2## wherein X represents a hydrogen atom, a halogen atom, an alkyl group, an allyl group or an aryl group; R.sub.1 represents a hydrogen atom or an alkyl group; R.sub.2 represents a hydrogen atom, an alkyl group or an aryl group; R.sub.3 represents a divalent group; and M represents a cation. These polymers have excellent oxidation-reduction properties.

Abstract: A photographic light-sensitive material including a support, a non-light sensitive uppermost layer consisting of at least one organic synthetic high polymer compound as a film forming material and at least one light-sensitive layer between the support and the uppermost layer, said organic high polymer compound being selected from the group consisting of the following polymers (A) to (F):polymer (A) comprising repeating units a.sub.1 and a.sub.2 ;______________________________________ a.sub.1 : ##STR1## 80 - 97 mol% a.sub.2 : ##STR2## 3 - 20 mol% ______________________________________Wherein M represents a cation, and m represents 0, 3 or 4;Polymer (B) comprising repeating units b.sub.1, b.sub.2 and b.sub.3 ; ______________________________________ b.sub.1 : ##STR3## 5 - 30 mol% b.sub.2 : ##STR4## 5 - 75 mol% b.sub.3 : ##STR5## 20 - 65 mol% ______________________________________Wherein R.sub.1 and R.sub.2 each represents --CH.sub.3 or --C.sub.2 H.sub.5, R.sub.3 and R.sub.5 each represents --H or --CH.sub.

Abstract: A material for a color diffusion transfer photographic process, which possesses neutralizing means comprising the combination of a layer containing a polymer having a repeating unit represented by the following general formula (I): ##STR1## wherein R.sub.1 represents a hydrogen atom or a methyl group, R.sub.2 represents a hydrogen atom, an aliphatic hydrocarbon residue having 1 to 6 carbon atoms or an aryl group, and X represents an n+1 valent aliphatic hydrocarbon residue having 2 to 8 carbon atoms or an n+1 valent residue of the formula --A-O--.sub.m A, wherein A represents an aliphatic hydrocarbon residue having 2 to 4 carbon atoms, and m and n each represents an integer of 1 to 5, and an acidic polymer layer.

Abstract: An image-receiving material for silver salt diffusion transfer process having at least two layers wherein (I) a polymer layer containing diffusible compound, which can change the property of silver image formed in a binder layer containing silver deposition nuclei, and (II) the binder layer containing silver deposition nuclei on said polymer layer are provided on support, said polymer layer comprising at least one water insoluble hydrophilic polymer selected from the group consisting of homopolymers, copolymers and graft polymers of monoacrylates of polyhydric alcohols and homopolymers, copolymers and graft polymers of monomethacrylates of polyhydric alcohols.