Abstract: Disclosed is a silver halide photographic light-sensitive material that comprises a support having thereon a conductive layer containing a water-soluble polymer or a metal oxide and a photographic component layer having at least one surface active agent containing a fluorine compound. The silver halide photographic light-sensitive material according to this invention does not cause any deterioration of antistatic properties even after photographic processing, also does not cause any faulty transport even when used in the automatic transport apparatus comprising a transport path having a surface coated with Teflon, and not tends to cause flaws even after raw stock.

Abstract: A photographic paper support is prepared formed by the following method: forming a paper sheet and drying it to about 10 percent water; applying an aqueous solution of hydrophobically substituted amylose starch to both sides of the sheet; drying this sheet to below 5 percent water; applying an aqueous solution of the hydrophobically substituted amylose starch to both sides of the sheet; drying this sheet to below about 10 percent water; and extruding a layer of polylefin on both sides of the paper sheet.A silver halide color photographic reflection print element is formed by coating at least one color-forming silver halide emulsion layer on a photographic paper support prepared by the above described method.

Abstract: A light-polymerizable resin composition for the preparation of clasp patterns comprises (a) a light-polymerizable compound having at least one ethylenically unsaturated double bond, (b) an organic filler material, (c) a light polymerization initiator and (d) a reducing agent. The light-polymerizable compound is solid at normal temperature, and may be a mono- or polyfunctional acrylate or methacrylate.

Abstract: Method of preparing solvent-resistant polymer beads sizing 0.5-5 pm and having a glass transition temperature of at least 40.degree. C. by dissolving in a solvent mixture of water and water-miscible polar organic solvent an Alpha, Beta-ethylenically unsaturated monomer (1) capable of forming a polymer that is soluble in the monomer(s) present in said solvent mixture but which is insoluble in said solvent mixture, a monomer (2) carrying COOH group(s), a monomer (3) carrying halogen atom(s), a free radical-forming polymerization initiator, and a graft-polymerizable polymer containing hydrophilic groups, heating the solution obtained to a temperature from 50.degree. C. to the reflux temperature thereof with stirring to form said beads, converting said COOH group(s) by reaction with a hydroxide into a carboxylic acid salt group, and causing said carboxylic acid salt group to react with said halogen atom to form ester cross-linkages. The beads can be used as spacing agents in a sheet or web material.

Abstract: The invention provides a photographic element comprising a paper substrate with a polyolefin coating provided on at least one surface, a hydrophilic colloid layer on the polyolefin coating, and at least one light sensitive silver halide emulsion above the hydrophilic colloid layer, wherein said hydrophilic colloid layer comprises a removable antihalation material and from about 20 to 80 percent by weight of a white pigment, and from about 15 to 35 percent by weight of hollow microspheres having a diameter of from about 0.1 to about 1 .mu.m.

Abstract: Undesired stain is minimized for pearlescent toners, adapted for toning elements having non-tacky and tacky areas that define an image, by including in the toner inert, substantially spherical particles having a particle size of approximately 0.3 to 42 microns and by including a slip-agent surface coating on at least the pearlescent pigment particles, and preferably also on the inert, substantially spherical particles.

Abstract: In a novel, improved process for the production of photopolymeric flexographic relief printing plates from photosensitive recording elements which containA) a dimensionally stable substrate andB) at least one photopolymerizable recording layer havingb.sub.1) at least one elastomeric polymer as a binder,b.sub.2) at least one photopolymerizable monomer which is compatible with the binder (b.sub.1) andb.sub.3) at least one photopolymerization initiator,by(1) imagewise exposure of the photopolymerizable recording layer (B) to actinic light and(2) washout (development) of the unexposed and therefore nonphotopolymerized parts of the imagewise exposed recording layer (B) with an organic developer with formation of a relief layer,the organic developers used are 3-methoxy-n-butyl acetate and/or n-butyl glycolate.

Abstract: A photoresin relief printing plate comprising a support and a photoresin relief portion disposed thereon, said relief portion having a thickness of not greater than 8 mm and comprising an upper photoresin layer and a lower photoresin layer, wherein said upper photoresin layer has a thickness of at least 2 .mu.m and a Young's modulus of not greater than 650 kg/cm.sup.2 and said lower photoresin layer has a thickness which is greater than the Young's modulus of said upper photoresin layer and a thickness which is greater than the Young's modulus of said upper photoresin layer. The photoresin relief printing plate exhibits not only excellent inking and ink transferability even in solid images, but also excellently less broadening of printed images and excellent image reproducibility, even if the printing operation is performed using an ordinary relief printing machine having poor machine accuracy.

Abstract: The present invention provides an aqueous-processable, positive-working photoresist composition having improved photospeed and aqueous development rate without substantially reducing processing latitude in printed circuit chemistries. The compositions contain (a) a polymeric material having a polymer backbone with pendant acid labile groups which are bound directly or indirectly to the polymer backbone, and free acid groups, wherein the polymeric material has an acid number of about 25 and is substantially insoluble in 1% by weight aqueous sodium carbonate solution at 30.degree. C., and (b) a substance that forms an acid upon exposure to actinic radiation. The positive photoresists of this invention may be used to prepare printed circuits wherein the photoresist may be applied to the printed circuit substrate as a liquid coating, as a solid, dry film or from an electrodeposition bath.

Abstract: Disclosed is a photosensitive elastomer composition comprising (1) a thermoplastic block copolymer comprising at least one monovinyl substituted aromatic hydrocarbon polymer block and at least one conjugated diene polymer block, wherein a monovinyl substituted aromatic hydrocarbon content (A) is 10 to 35% by weight, and the vinyl content (V) of a conjugated diene is 20 to 50%, and the (A) and the (V) satisfy the formula: 40.ltoreq.(A)+(V).ltoreq.70; (2) an ethylenically unsaturated compound component; and (3) a photopolymerization initiator.

Abstract: A silver halide photographic material which comprises a support having thereon one or more constituent layers including at least one silver halide emulsion layer, wherein at least one of said constituent layers is a layer formed by (a) coating a composition which contains a high molecular weight compound having at least one repeating unit represented by the following formula (I), and then (b) making the composition undergo a crosslinking reaction: ##STR1## wherein R.sub.1 represents a hydrogen atom, an alkyl group, a chlorine atom, or a cyano group; R.sub.2 and R.sub.3, which may be the same or different, each represents an alkyl group; L.sub.1 and L.sub.2 each represents a divalent linking group; Y represents --O--, or ##STR2## wherein R.sub.4 represents a hydrogen atom, or an alkyl group; X represents a crosslinking group containing an activated vinyl component; and Z represents a counter ion for balancing the electric charge.

Abstract: A photographic element according to the invention includes a reflective support, one or more photosensitive silver halide emulsion layers, and a colored antihalation layer interposed between the support and the photosensitive layers. The antihalation layer comprises thin grains of silver in the form of platelets having a thickness of up to about 20 nm. The platelets are distributed in a suitable matrix or colloidal medium such as gelatin. The thinness of the platelets allows the antihalation layer to be formed effectively at lower silver levels.

Abstract: An optical recording medium comprising a substrate and a thin organic film containing at least one kind of dye selected from polymethine family dyes, perylium family dyes, and cyanine family dyes, and a recording process comprising scanning the optical recording medium with a high intensity light beam such as a laser beam to form optically detectable pits on the recording medium.

Abstract: A photosensitive material for screen processing comprising a photosensitive resin composition (A) applied to a plastic film, and including a water-soluble or water-dispersible polymer or copolymer, an unsaturated compound, and a photopolymerization initiator, and a photosensitive resin composition (B) applied in a thickness of at least 0.1 .mu.m to the coated composition (A) and including a film-forming polymeric compound; and a photo-crosslinking polyvinyl alcohol partially containing photo-cross-linkable units provides a coating film which is water-developable, highly sensitive, and excellent in water and solvent resistances.

Abstract: A polymeric film substrate is first modified, then coated with a polyalkyl acrylate/gelatin layer to improve the wet adhesion of the layer to the substrate. The layer may itself contain a photographic emulsion or emulsion layers may be adhered to that layer.

Abstract: Disclosed is silver halide photographic photosensitive material comprising a support, having thereon at least one silver halide photosensitive emulsion layer, wherein a polymer which can be represented by the following general formula (I) is included in at least one of the structural layers of the photographic photosensitive material: ##STR1## The term A represents a repeating unit obtained by polymerizing a monomer which has at least two polymerizable ethylenically unsaturated groups of which at least one is in a side chain; B represents a repeating monomer unit obtained by the polymerization of a monomer which has one polymerizable ethylenically unsaturated group; R.sup.1 represents a hydrogen atom or an alkyl group; R.sup.2 and R.sup.3 each represents a hydrogen atom or a methyl group; R.sup.4 represents a hydrogen atom or an organic group; L.sub.

Abstract: A non-electroscopic prolonged tack toner for transferring toned images to an image receptor at low temperatures with improved back transfer characteristics.

Abstract: Disclosed is a silver halide photographic material having a hydrophilic colloid layer which contains a dispersion of fine solid grains of at least one dye of formula (I): ##STR1## where R.sub.1 and R.sub.2 each represents an alkyl group, an aryl group, a cyano group or a group of COOR.sub.3, COR.sub.3, CONR.sub.4 R.sub.5, NR.sub.4 R.sub.5, NR.sub.4 COR.sub.3, NR.sub.4 CONR.sub.4 R.sub.5, OR.sub.3, SR.sub.3, SOR.sub.3 or SO.sub.2 R.sub.3 ; R.sub.3 being an alkyl group or an aryl group, and R.sub.4 and R.sub.5 each being a hydrogen atom, an alkyl group or an aryl group, and R.sub.3 and R.sub.4 or R.sub.4 and R.sub.5 being optionally bonded to each other to form a 5-membered or 6-membered ring; L.sub.1, L.sub.2 and L.sub.3 each represents a methine group; and n represents 0 or 1; provided that R.sub.1, R.sub.2, L.sub.1, L.sub.2 and L.sub.3 must not have an ionizable proton-having group or a salt thereof.

Abstract: A silver halide photographic material having on a support a hydrophilic colloid layer containing at least one 2-pyrazoline-5-one oxonol dye represented by formula (I) in the form of a dispersion of fine solid particles thereof; ##STR1## wherein R.sup.1 represents a hydrogen atom, an aryl group, a cyano group, a halogen atom, --COOR.sup.2, --COR.sup.3, --ONR.sup.3 R.sup.4, --OR.sup.2, --NHCOR.sup.3, or --NR.sup.3 R.sup.4 (wherein R.sup.2 represents an alkyl group or an aryl group and R.sup.3 and R.sup.4 each represents a hydrogen atom, an alkyl group, or an aryl group); and L.sup.1, L.sup.2, L.sup.3, L.sup.4, and L.sup.5 each represents a methine group.

Abstract: A photopolymerizable composition comprises at least one addition polymerizable compound having at least one ethylenically unsaturated bond and at least one photopolymerization initiator represented by the following general formula (I): ##STR1## wherein R.sub.1 to R.sub.4 independently represent hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, hydroxyl group, a substituted or unsubstituted alkoxy group, or a substituted or unsubstituted amino group with the proviso that R.sub.1 to R.sub.4 may form a non-metallic ring together with the carbon atoms bonded thereto; R.sub.5 and R.sub.6 each represents hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a heteroaromatic group, an acyl group, cyano group, an alkoxycarbonyl group, carboxyl group or a substituted alkenyl group with the proviso that R.sub.5 and R.sub.