Abstract: A process for developing a photographic material containing on a support an image-wise exposed silver halide emulsion layer of which the silver halide is substantially silver chloride and in which the photographic material before its exposure contains already at least one silver halide developing agent in a hydrophilic colloid binder in waterpermeable relationship with the silver halide, said process containing the step of contacting the exposed photographic material with an aqueous alkaline liquid, called activator liquid, being initially substantially free from developing agent(s), said contacting being not followed by a silver complex diffusion transfer processing, characterized in that said aqueous alkaline liquid contains a primary and/or secondary amine.

Abstract: Photographic element comprising a support and a silver halide emulsion layer comprising in said emulsion layer and/or in a water-permeable layer coated at the same side of the support as said emulsion layer a compound corresponding to the following general formula: ##STR1## wherein: each of R.sup.1, R.sup.2, and R.sup.3, which may be the same or different, can represent hydrogen, C.sub.1 -C.sub.8 alkyl, or Alk.sub.1 - X - Alk.sub.2 - Y -, wherein: Alk.sub.1 is C.sub.1 -C.sub.8 alkyl, which may be substituted, X is --O-- or --S--, Alk.sub.2 is C.sub.1 -C.sub.8 alkylene, which may be substituted, and Y is a single bond, --O--, --S--, --CONH--, --SO.sub.2 NH--, or --NHCONH--, R.sup.3 can alternatively represent C.sub.1 -C.sub.8 alkyl-thio, the C.sub.1 -C.sub.8 alkyl group of which can be substituted, at least one of R.sup.1, R.sup.2, and R.sup.3, however, being other than hydrogen and other than C.sub.1 -C.sub.8 alkyl.The invention disclosed includes compounds per se, which correspond to said general formula.

Abstract: Photographic material comprising a supported or self-supporting binder layer incorporating a photoradical precursor compound in operative relationship with an image-forming precursor compound which is capable of taking part in image formation by reaction with the photoradicals formed by photoexposing said photoradical precursor, wherein the image-forming compound is a reducing compound containing Zerewitinoff active hydrogen for forming a print-out image or an ethylenically unsaturated compound capable of free-radical addition polymerization, and the photoradical precursor compound is a di- or tri(2,3-aryl substituted indolyl) compound free of Zerewitinoff active hydrogen.

Abstract: A photosensitive recording material which includes in a supported layer a mixture of photosensitive substances in admixture with one or more polymers that are soluble in an alkaline aqueous liquid, characterized in that such mixture of photosensitive substances essentially consists of:(A) at least one photosensitive nitrone of the formula: ##STR1## in which: R is an aromatic hydrocarbon group including a substituted aromatic hydrocarbon group,R.sup.

Abstract: A photographic material comprising in at least one light-sensitive silver halide emulsion layer and/or in a hydrophilic colloid layer in water-permeable relationship with such an emulsion layer an antifoggant precursor corresponding to one of the following general formulae: ##STR1## wherein: each of Y.sup.1 and Y.sup.2 (same or different) is an acyl groupeach of Y.sup.10 and Y.sup.20 (same or different) is an aromatic acyl group,R is an alkyl group, an aryl group or a heterocyclic nitrogen-containing 5-, 6- or 7-membered ring,R.sup.1 is hydrogen, an alkyl group, an aryl group, a carboxyl group in free acid, salt or esterified form, a carbamoyl group or a N-substitued carbamoyl group,R.sup.2 is hydrogen, an alkyl group or an aryl group,R.sup.3 has the same meaning as Y.sup.10, or is hydrogen, or is an alkyl group or an aryl group, or is a R.sup.7 -S- group wherein R.sup.7 is an alkyl group, an aryl group, or a heterocyclic group,R.sup.4 is hydrogen, an aryl group or a heterocyclic group,R.sup.

Abstract: Fluorine-containing surfactants according to formula (Rf--X).sub.n --A--L--Z wherein Rf is a short-chain fluorine-containing group derived from hexafluoropropylene or trifluorochloroethylene, X is --O--, --S--, or --SO.sub.2 --, n is at least 2, the Rf groups being same or different, L is a monovalent bond or a bivalent bridging group such as --COO--alkylene, --CONR.sup.1 --alkylene, or --SO.sub.2 NR.sup.1 --alkylene, wherein R.sup.1 is hydrogen or C.sub.1 -C.sub.5 alkyl, and Z represents a hydrophilic polyoxyethylene group or a hydrophilic group such as ##STR1## wherein M is hydrogen, an alkali metal, ammonium, or organic ammonium, and R.sup.3 is alkyl; A is an aliphatic, aromatic, or aliphatic-aromatic group. These surfactants can be used in hydrophilic colloid layers, which may form part of light-sensitive silver halide materials.

Abstract: A photosensitive composition of matter suited for the production of polymer resist images which composition comprises a mixture of:(1) a photopolymerizable ethylenically unsaturated compound,(2) at least one oxime ester photopolymerization initiator, and(3) at least one sensitizer increasing the photopolymerization rate of said composition said sensitizer being defined in two general formulae said formulae including respectively a merocyanine dye, a zeromethine merocyanine dye, a carbostyril compound, an aryl-substituted 2-pyrazoline compound, an aryl-substituted oxazole compound, an aryl-substituted 1,2,4-triazole compound, an aryl-substituted 1,3,4-oxadiazole compound or an aryl-substituted-4-oxazolin-2-one compound.

Abstract: A recording method for directly forming a visible image, which method comprises exposing a recording material information-wise to ultra-violet radiation having a wave-length in the range of 200 nm to 400 nm, with a radiation intensity of at least 5.times.10.sup.11 erg/sq.cm.s so that the recording material receives a radiation energy dose of at least 1.times.10.sup.7 erg/sq.cm, the said recording material containing in a layer in admixture with an organic binder medium:(A) at least one dye precursor compound, which is a spiropyran compound or a compound corresponding to one of the general formulae ##STR1## wherein: R represents hydrogen, a lower alkyl (C.sub.1 -C.sub.3) group, a lower alkyl group, a phenyl group or phenyloxy,R.sup.1 represents an organic group,Z.sup.1 represents the necessary atoms to close a homocyclic ring or ring system,Z.sup.2 represents the necessary atoms to close a homocyclic ring or ring system,R.sup.2 represents a lower alkyl (C.sub.1 -C.sub.

Abstract: A photosensitive material is described which comprises a base and a solid photosensitive layer comprising a photopolymerizable compound and a photopolymerization initiating mixture consisting of an oxime ester, a photopolymerization initiator and a p-dialkylaminobenzene of the formula ##STR1## wherein R.sup.1 and R.sup.2 are lower alkyl, R.sup.3 is hydrogen, alkyl, alkoxy or N(R.sup.1) (R.sup.2) and X is --CO--, --CS--, CH.sub.2, or --CH(OH)--.Synergistic photocuring sensitivity is obtained by said oxime ester in admixture with said p-dialkyl aminobenzene compound.

Abstract: A photosensitive recording material containing in admixture in a binder medium:(1) as imaging substance an organo-tellurium compound containing directly linked to a tellurium atom halogen and at least one organic substituent comprising at least one carbonyl group,(2) a photoreductant which upon exposure to activating radiation in the presence of a hydrogen-donating compound reduces said organo-tellurium compound to liberate metallic tellurium and halogen acid,(3) a hydrogen-donating compound from which hydrogen can be abstracted by the photo-exposed photoreductant, and(4) an organic reducing agent precursor, from which by the action of an acid a compound capable of reducing said organo-tellurium compound can be set free.

Abstract: A proteinaceous material such as gelatin is hardened by treatment with an aqueous solution of a partial hydrolysis product of cyanuric chloride that has been buffered with a water-soluble borate, e.g. sodium metaborate, potassium metaborate or ammonium metaborate.The proteinaceous material can be a proteinaceous coating such as a photographic silver halide emulsion layer, a backing layer, a protective layer, a filter layer or any other photographic auxiliary layer.

Abstract: Proteinaceous material such as gelatin is hardened by treatment with an aqueous solution of the partial hydrolysis product of a 2,4-dichloro-6-alkoxy-S-triazine with a water-soluble tertiary phosphate and/or a water-soluble borate, wherein the 2,4-dichloro-6-alkoxy-s-triazine corresponds to the formula: ##STR1## wherein R is a lower alkyl or alkoxyalkyl group. The proteinaceous material can be a proteinaceous coating such as a photographic silver halide emulsion layer, a backing layer, a protective layer, a filter layer, or any other photographic auxiliary layer.

Abstract: A proteinaceous material such as gelatin is hardened by treatment with an aqueous solution of a partial hydrolysis product of cyanuric chloride that has been buffered with a water-soluble borate, e.g. sodium metaborate, potassium metaborate or ammonium metaborate.The proteinaceous material can be a proteinaceous coating such as a photographic silver halide emulsion layer, a backing layer, a protective layer, a filter layer or any other photographic auxiliary layer.