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Patent # Description
US-4,255,516 Photographic support containing different polyester layers
A photographic support of a composite polyester film in which additives and oligomers can be incorporated in the support without exerting any undesirable effects...
US-4,255,515 Photographic films
A photographic film which comprises (A) a support, having two sides, (B) at least one light-sensitive emulsion layer on one side of said support (A), and, (C) at...
US-4,255,514 Method for fabricating a diffractive subtractive filter embossing master
By flow-melting low-melting point electroplated metal structures, each corresponding to a white-manifesting region of the embossing master, any originally...
US-4,255,513 Photopolymerizable recording materials
A photosensitive material is described which comprises a base and a solid photosensitive layer comprising a photopolymerizable compound and a photopolymerization...
US-4,255,512 Photographic processes and products
A multicolor diffusion transfer photographic system wherein development of an exposed multilayer photsensitive element is effected in the presence of a ligand...
US-4,255,511 Direct positive silver halide light-sensitive material
A direct positive light-sensitive silver halide photographic material comprising a support having thereon a layer containing a compound represented by the...
US-4,255,510 Development restrainer precursors for photographic elements
Photographic elements, assemblages and processes for color diffusion transfer photography are described wherein certain azole compounds having at least two...
US-4,255,509 Photographic light-sensitive sheet for the color diffusion transfer process
A photographic light-sensitive sheet for the color diffusion transfer process which comprises a support having thereon at least one light-sensitive silver halide...
US-4,255,508 Flexible metal printing cylinder having a coating of crystalline photoconductive material
A flexible metal printing cylinder having a coating of a crystalline photoconductive material thereon. The cylinder is an electrodeposited sleeve of nickel or...
US-4,255,507 Electrophotographic screen process
An electrophotographic process of this invention is achieved by subjecting a photosensitive screen to a matched performance of voltage applications and image...
US-4,255,506 Electrophoretic migration imaging dispersion
In general, materials having the structure ##STR1## wherein n equals 1 or 2; A represents phenylene, naphthylene, anthracenyl, anthracenediyl, and ...
US-4,255,505 Electrophotographic process using layered element containing p-type or n-type materials, with multiple charging...
An electrophotographic photosensitive member comprises a base, a photoconductive layer and an insulating layer, and the photoconductive layer contains an...
US-4,255,504 Method for producing CRT screen structure
Additions of fluorescein or a fluorescein salt and a diol to a photosensitized polymeric material increase the photosensitivity thereof in a method for...
US-4,255,503 Galvanic element with negative zinc electrode
The aqueous, strongly alkaline electrolyte of the element and/or one or both of the electrodes contain(s) additive of soluble chloride, sulfate, or both.
US-4,255,502 Cover for automobile batteries
A flexible, fabric cover for automobile batteries is provided and includes a hinged top portion having a side extension extending partially down one side thereby...
US-4,255,501 Internally reflective, dye sensitized, wet-type photocell
An internally reflective, dye sensitized, wet-type photocell suitably adaptable as a photosensitive element or a solar cell, comprising anodes and cathodes...
US-4,255,500 Vibration resistant electrochemical cell having deformed casing and method of making same
An electrochemical cell of the type having a spirally wound electrode assembly contained within a cell case, wherein the case is provided with inwardly directed...
US-4,255,499 High pressure safety vent for galvanic dry cells
Radially sealed galvanic dry cells having a safety high pressure vent means comprising the crimping of an arc portion between about 150.degree. and 190.degree....
US-4,255,498 Button-type air cell
A button-type air cell which comprises: an air cathode prepared by adding a binder to carbon powders mixed with metal chelates; viscous gelled electrolyte set in...
US-4,255,497 Ferritic stainless steel
A ferritic stainless steel having improved impact properties contains between about 21% and about 30% chromium, up to about 5% molybdenum, up to about 6% nickel,...
US-4,255,496 Steel wire reinforcing elements with a brass-cobalt alloy adhesive coating
A steel wire element useful in the reinforcement of rubber compositions in which the steel wire is provided with an adhesive coating comprising a brass alloy...
US-4,255,495 Corrosion resistant thermal barrier coating
The object of the invention is to provide a thermal barrier coating system for protecting metal surfaces at high temperature in normally corrosive ...
US-4,255,494 Sintered ferromagnetic powder metal parts for alternating current applications
A method of making a metal core for alternating current applications by powder metallurgy is disclosed. Ferro-magnetic powder is pressed into a cross section of...
US-4,255,493 Powdered metal part
A powdered metal part is provided with a side recess or notch which is shaped to receive a threaded member or screw. The part is made from powdered metal formed...
US-4,255,492 Magnetic recording crystals, process for producing same, and magnetic recording webs using same
A process for preparing acicular gamma ferric oxide (maghemite) crystals exhibiting excellent magnetic recording properties is disclosed. These acicular gamma...
US-4,255,491 Heat-sensitive recording paper
A heat-sensitive recording paper comprising a base paper having a hot water extraction pH of about 6 to 9 having provided thereon a heat-sensitive recording...
US-4,255,490 Olefin-vinyl alcohol-vinyl acetal copolymers, process for preparation thereof and laminate structures including...
A copolymer comprising 10 to 50 mole % of olefin units and 90 to 50 mole % of vinyl units, 50 to 98 mole % of the vinyl units being vinyl alcohol units and 2 to...
US-4,255,489 Perlite filler
Expanded perlite is coated with polysiloxane, the coating dried, and subsequently strengthened by heating to form an attrition-resistant, non-porous, particulate...
US-4,255,488 Polyimide fibers
Polyimide fibers which have a porous, microcellular structure. Methods of making such fibers from a precursor under conditions which cause the precursor to foam...
US-4,255,487 Electrically conductive textile fiber
Finely divided, electrically conductive particles are uniformly suffused into a filamentary polymer substrate in an annular region located at the periphery of...
US-4,255,486 Methods and means for improvings resin bonds between substrates, and materials therefor and products therefrom
The strength of the bond obtained between substates with the aid of phenoplasts, modified phenoplasts and/or epoxy resins, e.g. between fibrous material and an...
US-4,255,485 Binder for glass fiber mat
An aqueous binder composition suitable for bonding glass fibers in a porous random mat comprises a phenol-formaldehyde-urea condensate, starch, an emulsified...
US-4,255,484 Fabric-conditioning composition for article used to condition fabrics in a clothes dryer
A fabric-conditioning composition incorporated in an article used to condition fabrics in a laundry dryer. The fabric-conditioning composition carried on a...
US-4,255,483 Fire barrier compositions and composites
Fire barrier composition particularly applicable as an acoustic panel-fire wall structure in aircraft, capable of withstanding a 2,000.degree. F. flame...
US-4,255,482 Vibration-absorbing fire-resisting floor for vehicles, vessels or the like
A light-weighted vibration-absorbing and fire-resisting floor for a vehicle comprising three layers; a first layer comprising an epoxy or urethane synthetic...
US-4,255,481 Mask for selectively transmitting therethrough a desired light radiant energy
A mask for selectively transmitting therethrough a desired light radiant energy is disclosed. The mask comprises a stress-relieved, essentially dimensionally...
US-4,255,480 Abrasion-resistant laminate
An abrasion-resistant laminate is prepared by providing an ultra thin coating of mineral particles and micro crystalline cellulose on the surface of conventional...
US-4,255,479 Method of manufacturing cable seals
Cable seals of the type employed in sealed electrical connectors are maintained in a predetermined orientation throughout manufacture and handling of same...
US-4,255,478 Composite structures
A composite structure is fabricated from fiber-reinforced tape, segments of the tape being stacked one upon another so as to form a plurality of plies. A boron...
US-4,255,477 Artificial board of lumber
An artificial lumber board comprises a plurality of elongated wood strips having medial body portions of different thicknesses and tapered tip end portions being...
US-4,255,476 Pile textile elements
Pile textile elements are disclosed in which textile filamentary materials are assembled in a bundle, these materials being held together at one end only, by any...
US-4,255,475 Mosaic structures
A mosaic structure, flat or multi-dimensional, wherein any number of discrete members are soldered together, irrespective of whether such members are of...
US-4,255,474 Composite having transparent conductor pattern
A continuous layer of transparent material is formed on a base. A desired pattern of transparent electrically conductive material is included in the layer. The...
US-4,255,473 Metered finish
In application of metered finish to a high speed running yarn, the exit portion of the finish passageway is angled such that a positive atmospheric gauge...
US-4,255,472 Metered finish
In application of metered finish to a high speed running yarn, a vent is provided in the finish passageway just prior to the exit.
US-4,255,471 Coating solution of polyetherimide-forming monomers in a solvent system including water
Disclosed is a solution including an aromatic bis (ether dicarboxylic acid) component, an organic diamine component and a solvent system including a ...
US-4,255,470 Process for preventing polymer buildup in a polymerization reactor
This invention relates to a process of coating the internal surface of a polymerization reactor in order to substantially eliminate the buildup of polymer on...
US-4,255,469 Process for selectively applying a conformal coating with a masking tape having an imbedded wire cutting edge
A process for masking an electronic module with a masking tape having an imbedded wire utilized as a cutting edge. The wire is adhered along the edge of the...
US-4,255,468 Method of marking paved surfaces and curable two-part epoxy systems therefor
The disclosed coating system comprises a curable liquid epoxide and an amine hardener or co-curative. The amine co-curative comprises a blend of an aliphatic...
US-4,255,467 Method for galvanizing seafood pots
Seafood pots made of wire mesh netting are prepared for galvanizing by first passing them through an incineration chamber to burn, melt and loosen foreign...
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