Abstract: A photographic material comprising a cassette containing a processed photographic element, the photographic element comprising a support, at least one light sensitive silver halide layer and a protective overcoat layer on the light sensitive layer, the protective overcoat layer comprising a hydrophilic binder and permanent matte particles, the permanent matte particles comprising greater than 80 mole percent methyl methacrylate and having a mean particle size of from 1 to 1.8 .mu.m and a coating weight of from 70 to 250 mg/m.sup.2.

Abstract: Sulfur-contaminated aromatic nitro compounds are hydrogenated in the presence of a chrominum-containing Raney cobalt catalyst to corresponding primary amino compounds which are useful as intermediates for photographic dye-forming couplers and for other purposes.

Abstract: A photographic element having a support, a light-sensitive layer and a protective overcoat layer, at least one layer comprising a hydrophilic colloid containing colloidal core-shell latex particles, the core being a hydrophobic polymer and the shell comprising greater than 10 and less than 90 mole percent of an ethylenically unsaturated monomer having a carboxylic acid group.

Abstract: A photographic imaging element comprising a support, at least one light-sensitive silver halide layer, and a light-insensitive layer comprising a polymer particle of the formula:(A).sub.x (B).sub.y (C).sub.z (I)where A is a polyfunctional ethylenically unsaturated crosslinking monomer, B is an ethylenically unsaturated monomer containing carboxylic acid groups, C is a monofunctional ethylenically unsaturated monomer other than B, x is about 0.1 to 2 mole percent, y is about 35 to 70 mole percent and z equals 100-(x+y) mole percent.

Abstract: A photographic film base comprising a polyester support have a photo-grafted layer of a monomer having a formula selected from: ##STR1## where R.sub.1 is --OX or --NX.sub.2 ; each R.sub.2 is independently selected from X;R.sub.3 is X, --COOX or --CONX.sub.2 ;R.sub.4 is --CHX--, --NH-- or --O--;R.sub.5 is --CHX-- or ##STR2## R.sub.6 is X or --(CH.sub.2).sub.n --COOX, where n is an integer of from 1 to 4 carbon atoms; and each X is independently selected from hydrogen or lower alkyl having 1 to 4 carbon atoms.

Abstract: A photographic element having a support, at least one light-sensitive silver halide layer and a layer containing matte bead particles, the matte bead particles being a copolymer of a styrenic monomer or acrylic acid or methacrylic acid or an acrylic acid ester or a methacrylic acid ester or mixture thereof where the ester group contains up to 6 carbon atoms and an acrylic or methacrylic acid ester where the ester group has from 10 to 22 carbon atoms, each matte bead particle being surrounded by colloidal size particles of a suspension stabilizing agent.

Abstract: A method of making a cellulose triacetate photographic film support by forming a dope solution of cellulose triacetate in a first solvent, passing the dope solution under pressure through a sheet forming die zone having an upper and lower surface and two edge surfaces, injecting a second solvent into the dope solution at the edge surfaces within the die zone in an amount sufficient to form a slip layer at the two edge surfaces, exiting the dope solution from the sheet forming die zone and separating the solvent from the cellulose triacetate.

Abstract: The invention provides a method of making a cellulose triacetate photographic film base which comprises providing a casting composition of cellulose triacetate, plasticizer, and solvent having a cellulose triacetate and plasticizer concentration of from 36% to 72% by weight, casting the coating composition at a temperature of from 40.degree. C. to 63.degree. C. unto a surface maintained at from -70.degree. C. to 21.degree. C. for a residence time from 3 to 8 seconds, in accordance with the equation Tr/Tg<1.9, where Tg and Tr are the glass transition temperature in degrees Kelvin and the temperature of the casting composition in degrees Kelvin at a point adjacent to the surface where the film base is separated from the surface.

Abstract: Described herein is a photographic paper coated with a polyolefin resin layer on each surface, one of the free surfaces of one of the polyolefin layers bearing a print retaining antistatic layer with improved spliceability and track off characteristics. The antistatic layer includes a polymeric latex binder and a non-ionic surface active compound having poly(ethylene oxide) and an alkali metal salt wherein the non-ionic surface active compound is between 0.1 and 4 percent by dry weight of the antistatic layer.

Abstract: Clad fibrous vanadium pentoxide, antistat layers containing clad fibrous vanadium pentoxide and imaging elements containing such antistat layers.

Abstract: An imaging element comprising a support, at least one light-sensitive layer and at least one coalesced layer of film-forming colloidal polymeric particles and non-film-forming colloidal polymeric particles.

Abstract: The invention provides a method of making thermoplastic resin-coated paper which comprises coating a paper sheet with a liquid thermoplastic resin, passing the thermoplastic resin-coated paper sheet through a nip of a pressure roll and a thermally conductive medium to form a resin-medium interface, heating the interface to a temperature of from 35.degree. C. to 350.degree. C. for a nip time period of from 0.002 to 10 seconds and a pressure of from 17,500 to 1,750,000 Pa-m, cooling the interface to a temperature of -73.degree. to 32.degree. C. for a cooling time period of from 0.001 to 100 seconds, and separating the thermoplastic resin-coated paper from the medium.

Abstract: A process is provided for preparing microprecipitated dispersions of filter dyes by preparing a concentrated slurry in aqueous medium of a filter dye having ionizable acid sites on the dye molecule, adding sufficient aqueous hydroxide to dissolve the filter dye, acidifying the solution with a stoichiometric amount of acidic protons to reprotonate up to 100% of the total ionizable acid sites on the dye molecule and provide a microprecipitated dispersion of the filter dye that is insoluble in aqueous media at pH values less than 3 but soluble in aqueous media at pH greater than 10.

Abstract: The invention provides an improved polyethylene terephthalate photographic film base having excellent dimensional stability, optical clarity and mechanical strength while also possessing a crystalline configuration that enables finishing by cutting, chopping or perforating techniques at reduced fracture resistance with decreased generation of dirt.

Abstract: In accordance with the present invention, a photographic element comprises a support, at least one light-sensitive layer, and a protective overcoat comprising a hydrophilic binder and permanent matte particles, the permanent matte particles comprising a polymer of methyl methacrylate and having a size distribution of a first and a second mode, with the first mode being composed of particles having a mean particle size of from 0.2 to 1.2 micrometers in a coating weight of from 10 to 200 mg/m.sup.2 and the second mode having a mean particle size of from 1.5 to 10 micrometers in a coating weight of from 5 to 150 mg/m.sup.2, the total coating weight of the particle of the first and the second modes being greater than 100 mg/m.sup.2.

Abstract: A process of making polymeric matte bead particles for use in photographic elements which comprises forming a suspension of ethylenically unsaturated monomer droplets in an aqueous media, subsequent to the formation of droplets and before commencement of reaction, adding to the aqueous media an effective amount of a hydrophilic colloid to improve adhesion and polymerizing the monomer to form solid polymeric particles.

Abstract: An imaging element comprising a support, at least one hydrophilic light-sensitive layer and at least one protective overcoat layer containing a binder and permanent matte particles, the permanent matte particles having a size distribution of a first mode and a second mode, the first mode being organic particles having a median size of from 0.2 to 1.2 micrometers in a coating weight of from 10 to 200 mg/m.sup.2, the said second mode being particles having a mean particle size of from 1.5 to 10 micrometers in a coating weight of from 25 to 150 mg/m.sup.2, the total coating weight of particles of the first and second modes being greater than 100 mg/m.sup.2.

Abstract: The invention relates to a method for the continuous preparation of vanadium pentoxide gel and an apparatus for implementing the method.According to the present invention, the vanadium pentoxide is raised to a temperature at least 100.degree. C. higher than its melting point; it is poured continuously into a quenching reactor 2 containing distilled water at ambient temperature; the gel obtained flows by overflowing to an ageing reactor 4, the contents of which are recirculated to the quenching reactor; the concentration of the gel contained in the ageing reactor 4 is measured continuously so as to adjust continuously the quantity of distilled water to be added to the quenching reactor 2; the contents of the ageing reactor are evacuated into a storage drum 9. Application to the manufacture of vanadium pentoxide for anti-static applications.

Abstract: This invention contemplates droplets of liquid lubricant, each droplet coated with colloidal particulate suspension stabilizing agent.The invention also contemplates a method of making size stable lubricant droplets by forming a discontinuous phase of lubricant droplets in a continuous aqueous phase containing a particulate suspension stabilizing agent, reducing the size of the lubricant droplets and limiting the coalescence of the lubricant droplets by action of the particulate suspension stabilizing agent.A third aspect of the invention is an imaging element comprising a support, at least one light-sensitive layer and a protective layer further removed from the support than the light-sensitive layer, at least one layer containing droplets of lubricant coated with colloidal particulate suspension stabilizing agent.

Abstract: An imaging element comprising a support, at least one light-sensitive layer and at least one coalesced layer of film-forming colloidal polymeric particles and non-film-forming colloidal polymeric particles, one of which contains a light-absorbing dye.