Abstract: Supported silver halide photosensitive materials comprising an antistatic additive which comprises a glycidol poly-addition product of a phenol-aldehyde condensate.

Abstract: A material for use in a process of producing optical copies of graphic originals, which optical recording material is in a layer and contains a nonlight sensitive silver salt, such as silver behenate, and a toner compound in a binder. The layer is suitably supported. The toner compound is of the following formula: ##SPC1##In whichX represents O or NR.sup.5 ;R.sup.1, r.sup.2, r.sup.3 or R.sup.4 represent (1) hydrogen, (2) alkyl, preferably with up to 20 and more, preferably with up to 4 carbon atoms, (3) cycloalkyl, especially cyclopentyl or cyclohexyl, (4) alkoxy, preferably with up to 2 carbon atoms, (5) alkylthio with preferably up to 2 carbon atoms, (6) hydroxy, (7) dialkylamino, the alkyl radicals also containing preferably up to 2 carbon atmos or (8) halogen, preferably chlorine or bromine; in addition to which R.sup.1 and R.sup.2 or R.sup.2 and R.sup.3 or R.sup.3 and R.sup.

Abstract: Certain light sensitive .alpha.-diketones dissolved in a cured light-insensitive transparent polymer host form recording media useful for recording volume phase holograms.

Abstract: A multi-layer color photographic light-sensitive material providing clear and sharp color images of improved color reproduction which comprises a support having thereon at least two hydrophillic colloid layers, at least one of the hydrophillic colloid layers being a light-sensitive silver halide emulsion layer, at least one of the hydrophilic colloid layers containing a basic synthetic polymer and at least one of the hydrophillic colloid layers containing a surface active agent represented by the General Formula (II) ##EQU1## wherein D.sub.1 and D.sub.2 each represents an aliphatic group having 4 to 20 carbon atoms, and M represents a cation; or the General Formula (III).sup.+m'0.sub.3 s.sup.---(o).sub.b-1 --D.sub.3 (III)wherein D.sub.3 represents an aliphatic group having 6 to 40 carbon atoms, M' represents a cation, and b represents 1 or 2.

Abstract: A photosensitive composition useful in providing a positive or negative presensitized coating on a hydrophilic substrate in photosensitive reproduction comprises1. a cumulene compound having the general formula: ##EQU1## WHERE N= 1-6 AND R.sub.a, R.sub.b, R.sub.c and R.sub.d are selected from the group consisting of ##SPC1##Or H and wherein R.sub.1 and R.sub.2 are the same or different alkyl or aryl radical and each ##EQU2## group can be positioned at any other position on the benezene ring, such as ##SPC2##2. an organic polyhalogenated initiator solid at room temperature such as CBr.sub.4, and CHI.sub.3 ; and3. one or more solvents suitable to dissolve the cumulene compound and the organic polyhalogenated initiator such as CHI.sub.3.

Abstract: Recording media comprising films of a polydialdehyde are suitable for recording information with electron beams.

Abstract: An antistatic photographic sensitive material comprising a support having thereon at least one silver halide emulsion layer, wherein a surface active copolymer containing in the main chain a repeating unit represented by the formula (I) ##EQU1## wherein Y represents an organic residue having 4 to 22 carbon atoms; n represents the average number of ethyleneoxy units and is 1 to 100; and M represents a hydrogen atom, an alkali metal atom, an alkaline earth metal atom, an ammonium group or an alkylammonium group is present in at least one of a surface of the support and a photographic layer.

Abstract: A quaternary salt-type reactive polymer composition comprising therein repeating monomer units represented by the following general formula ##SPC1##Wherein R represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; R.sub.1 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an alkoxycarbonyl group, having 2 to 8 carbon atoms an aryl group, a carbamoyl group having 1 to 8 carbon atoms, a carboxy group, or an acyl group having 1 to 8 carbon atoms; R.sub.2 represents a hydrogen atom, a methyl group or a cyano group; R.sub.3 represents a hydrogen atom, a carbamoyl group having 1 to 8 carbon atoms, a nitro group, a cyano group, an alkoxy group having 1 to 3 carbon atoms or an alkoxy carbonyl group having 2 to 8 carbon atoms; Y represents a divalent radical having 1 to 12 carbon atoms; and X.sup.

Abstract: This invention relates to a photographic material yielding upon exposure a direct-positive image and to a process for the production of such material.

Abstract: Heat developable light-sensitive photographic material having a layer which contains a light-sensitive combination of a silver compound substantially insensitive to light, a reducing agent for that silver compound and a polymethine sensitizer. The exposed material is heated so that the silver compound in the exposed areas is reduced and a visible silver image is formed.