Abstract: A photographic element comprising a support having situated thereon at least one silver halide emulsion layer, the layer containing a photographic coupler represented by the formulaCOUP--T.sup.1 --T.sup.2 --(T.sup.3).sub.b --PUGwhereinCOUP is a coupler moiety having a coupling site to which T.sup.1 is attached;T.sup.1 is a timing or linking group which releases from COUP during processing and which functions by electron transfer down a conjugated or unconjugated chain, or by nucleophilic displacement reaction, to release T.sup.2, T.sup.2 being an indazole timing or linking group which, after release from T.sup.1, functions by electron transfer down a conjugated chain to release T.sup.3 or PUG, and which is represented by the formula: ##STR1## wherein ** denotes the point of attachment to T.sup.1 and *** denotes the point of attachment to T.sup.3 or PUG;R.sup.1 and R.sup.

Abstract: A photographic element having a support and a layer containing first and second oxonol dyes, the first dye being a monomethine pyrazolone oxonol dye with each pyrazolone ring having a 1-phenyl group bearing an ortho-substituent selected from sulfo, sulfato, hydroxy, or nitro substituent, and the second dye being a tri- or penta-methine oxonol dye. A method of making a photographic element is also provided. The method comprises maintaining a mixture of at least such a first dye in a carrier medium at a temperature of at least 30.degree. C. for 0.5 hour.

Abstract: The present invention provides a method for obtaining a lithographic printing plate comprising the steps of (i) image-wise exposing an imaging element comprising on a hydrophilic surface of a support a light sensitive layer containing a diazo resin or a diazonium salt and a dispersed water-insoluble polymer with a melting point or glass transition temperature above 40.degree. C. and capable of coagulating when heated at or above its melting point or glass transition temperature, and (ii) subsequently removing the light sensitive layer in the non-exposed or insufficiently exposed areas of said imaging element by means of rinsing or washing said imaging element with plain water, characterized in that afterwards said developed image-wise exposed imaging element is heat-treated at a temperature at least equal to the glass transition temperature or melting point of said dispersed water-insoluble polymer.

Abstract: Novel precipitated calcium carbonate particles of varying size and shape, are prepared by adding gaseous carbon dioxide to an aqueous slurry containing basic calcium carbonate under a selectively controlled reaction environment. In its preferred embodiment precipitated calcium carbonate particles having a prismatic shape and an average equivalent spheroidal diameter of between about 1.5 and about 6.5 microns; large irregularly shaped particles having an average equivalent spherical diameter of between about 15 and about 25 microns; and multi-faceted spheroidal particles having an average equivalent spherical diameter of between 5 and about 15 microns, are provided. The reaction environment includes temperatures of between 0.degree. C. and 60.degree. C. and a surface active polyphosphate additive present in amounts of from about 0.1 and about 1.0 percent by weight.

Abstract: A silver halide photographic light-sensitive material having at least one light-sensitive silver halide emulsion layer on a support is disclosed. The light-sensitive silver halide emulsion layer contains tabular silver halide grains having an average aspect ratio of 2 or more and contains a compound represented by the following formula (I) and/or the oxidized product thereof:X.sub.1 --A--X.sub.2 Formula (I)wherein X.sub.1 and X.sub.2 each represent OR.sub.1 or ##STR1## wherein R.sub.1 represents a hydrogen atom or a group capable of being converted to a hydrogen atom upon hydrolysis, and R.sub.2 and R.sub.3 each represent hydrogen, alkyl, aryl, heterocyclic, heterocyclic sulfonyl, heterocyclic carbonyl, sulfamoyl, or carbamoyl, A represents arylene, and at least one of the groups representative of X.sub.1, X.sub.2, and A is substituted by a group which accelerates adsorption to a silver halide grain.

Abstract: A base film having dimensional stability and high transparency, which comprises (A) a plastic film having on either one or both sides thereof (B) a thin film layer comprising (1) an oxide of silicon and (2) a fluoride of alkaline earth metal, or comprising (1) an oxide of silicon, (2) a fluoride of alkaline earth metal, and (3) an oxide of magnesium, the thin film layer (B) being formed by a vacuum film forming process. A photographic light-sensitive material comprising the base film having dimensional stability and high transparency, having on either one or both sides thereof (C) a photographic layer.

Abstract: A treating fluid is in contact with a negative electrode containing lithium of a lithium cell under a first condition to react a surface portion of the negative electrode, and a treating fluid is in contact with lithium existing inside an article formed on the surface of the above-described negative electrode under a second condition. The cells can be effectively treated under safety condition to collect either the valuable substances, or the cell constructive components.

Abstract: A photographic element comprising a support having situated thereon a silver halide emulsion layer, said emulsion layer comprising a compound of the formula:Z--SO.sub.2 S--Au(I)--SQ (I)whereinZ represents an alkyl, aryl, or heterocyclic group; andQ represents an aryl or heterocyclic group.

Abstract: A silver halide photographic material having good spectral-sensitivity to laser rays, and which forms a high-sensitivity and high-contrast image by short-time exposure with high-intensity light. When processed with a reduced amount of replenisher, there is little fluctuation of photographic properties of the processed photographic material. The present invention relates to a silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer comprising a silver halide emulsion containing silver halide grains having a silver chloride content of 50 mol % or less, wherein the silver halide emulsion is spectrally sensitized with a spectral sensitizing dye selected from the group consisting of compounds represented by formulae (I), (II) and (III) and the silver halide emulsion is chemically sensitized with a selenium compound and a gold compound: ##STR1## where the substituent groups for formulae (I) to (III) are defined in the specification.

Abstract: A photographic element comprises a polyester support bearing a light-sensitive silver halide photographic emulsion layer, the support having adjacent thereto a polymer-containing subbing layer, the subbing layer having adjacent thereto a layer comprising a hydrophilic binder containing dispersed droplets of a high boiling organic liquid, the liquid being selected form the group consisting of oleyl alcohol and esters of organic or inorganic acids which have a value for the logarithm of their octanol/water partition coefficient (Log P) of from 2.6 to 6.7.

Abstract: A nickel/silica catalyst having a Ni/SiO.sub.2 molar ratio of 10 to 2.5, preferably 6 to 3, contains zinc in an amount of at least 500 ppm (based on the nickel) and maximally in a molar ratio Zn/SiO.sub.2 of 1. Additionally, the catalyst may comprise Mg in a molar ratio Mg/Ni of 0.05-0.15, max. (Mg+Zn)/Sio.sub.2 molar ratio is 1. Also the catalyst may comprise Al in a molar ratio Al/Si of 0.05-0.5. Also methods of preparing the catalyst and its use for hydrogenating oils and fats have been described.

Abstract: A heat-developable photographic material having a light-sensitive silver halide, a reducing agent, a binder and a dye-donating compound on a support, in which at least one light-sensitive silver halide emulsion on the support contains from 1.times.10.sup.-7 to 1.times.10.sup.-3 mol, per mol of silver halide, of iron ions in the silver halide grains. The material shows little sensitivity fluctuation to variations of the temperature of exposure and shows little decrease in sensitivity on exposure with high intensity light for a short period of time, such as laser rays.

Abstract: This invention describes gelatin thickening compounds for photographic coating melts with the general structure: ##STR1## wherein: A is an aromatic or heteroaromatic group;X is SO.sub.3 M or CO.sub.2 MM is H or an alkali metal, ammonium or pyridinium ion; each R1 and R2 is independently an alkyl or substituted alkyl group, each alkyl group being straight or branched chain and having 1 to 30 carbon atoms;each R3 and R4 is independently H or an alkyl or substituted alkyl group, each alkyl group being straight or branched chain and having 1 to 30 carbon atoms;each of a, b, c and e is independently 0, 1, 2 or 3, with the proviso that a+b+c+e is at least 1; andd is 1, 2, or 3;with the further proviso that when A is phenyl, X is SO.sub.3 M, d is 1 and any one of a, c, or e is 1, the sum of a+b+c+e is at least 2; and wherein there is a substantial absence of a compound containing one or more --SO.sub.2.sup.- groups in the composition.

Abstract: There is disclosed a silver halide photographic light-sensitive material having a high sensitivity and an excellent rapid processability after exposure with a camera for a plate making. The light-sensitive material comprises a support having thereon at least one light-sensitive silver halide emulsion layer containing silver halide grains. The sliver halide grains contain a metal compound having a cyanide ligand represented by Formula I and have been subjected to sensitization with a selenium sensitizer and spectral sensitization with a sensitizing dye represented by Formula II:[M(CN).sub.m X.sub.6-m ].sup.n (I)wherein M represents iron, rhenium, osmium, ruthenium, or iridium; X represents a bridged ligand; m is 4, 5 or 6; and n is -2, -3 or -4: ##STR1## wherein Z represents a group of atoms necessary to form an oxazole nucleus, a benzoxazole nucleus or a naphthooxazole nucleus; R.sub.1 represents an optionally substituted alkyl group; R.sub.

Abstract: An optical recording disk having a sealcoat layer provided on at least one surface of the disk, wherein the sealcoat layer is a cured composition obtained from ingredients comprising a radiation-curable component; a nonionic perfluoro surfactant; and a radiation curable silicone-containing compound. Optionally the sealcoat layer is a cured composition of ingredients further comprising an anticorrosion agent and photoinitiator.

Abstract: Disclosed are silver halide elements that contain an arylhydrazine compound useful in producing high contrast images. The elements can be handled in bright light room conditions for extended periods of time without increasing minimum density of the element.

Abstract: A process and apparatus for treating and detoxifying salts-hydroxides scrubber wastes containing nitrite salts or sulfite salts so that the final product has low nitrite or sulfite content, a neutral pH and is usable either as a base blend or as a stand-alone liquid product for agricultural applications. One approach is to have a continuous flow oxidation of the waste solution by ozone followed by a neutralization step with MKP. Another approach is to perform oxidation and neutralization in one step by the addition of hydrogen peroxide and MKP.

Abstract: A method for forming lenslets which collect light and focuses it onto photosensitive elements of an electronic imager includes providing a transparent lenslet-forming layer on a substrate or on layers on the substrate and forming a thin etch-stop layer on the transparent lenslet-forming layer and patterning the etch-stop layer so that the mask pattern corresponds to lenslets to be formed, The method further includes anisotropically plasma etching the transparent lenslet-forming layer according to the thin etch-stop mask pattern, removing the thin etch-stop mask, and thermally reflowing the patterned transparent layer to form the transparent lenslets.

Abstract: There is disclosed a silver halide photographic material in which a residual color can be compatible with a sensitivity in a development processing. The photographic material comprises a support and provided thereon at least one silver halide emulsion layer containing at least one of the methine compounds represented by the following Formula (I) and at least one of the compounds represent-ed by the following Formula (II): ##STR1## wherein R.sup.1 represents --(CH.sub.2).sub.r --CONHSO.sub.2 --R.sup.3, --(CH.sub.2).sub.s --SO.sub.2 NHCO--R.sup.4, --(CH.sub.2).sub.t --CONHCO--R.sup.5, or --(CR.sub.2).sub.u --SO.sub.2 NHSO.sub.2 --R.sup.6, in which R.sup.3, R.sup.4, R.sup.5 and R.sup.6 each represent an alkyl group, an alkoxy group, or an amino group and r, s, t and u each repre-sent an integer of 1 to 5; R.sup.2 is synonymous with R.sup.1 or represents an alkyl group which is different from R.sup.1 ; Z.sup.1 and Z.sup.

Abstract: Thermal dye transfer receiving elements are disclosed comprising a base having thereon a dye image-receiving layer, the base comprising a composite film laminated to a support, the dye image-receiving layer being on the composite film side of the base. The composite film comprises a microvoided thermoplastic core layer and at least one substantially void-free thermoplastic surface (skin) layer having a thickness of about 3 to about 6 .mu.m, and the support comprising a latex-impregnated paper.