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4072773 |
Porous sheet material and its production
A porous sheet material made of a polymeric material comprising mainly a polyurethane elastomer, which comprises a base layer of vertically penetrating vesicular structure and a surface layer of...
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4071645 |
Aqueous coating composition
The aqueous coating composition, which is particularly adaptable for use as a household floor polish or a temporary protective coating for various articles, contains a non-volatile, solid film...
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4064303 |
Process for decorating heat-stable polymer coating compositions
The appearance of a heat-stable polymer coating is enhanced by a process which produces a decorative pattern within a heat-stable polymer coating. The process consists essentially of applying, in a...
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4055427 |
Process of hardening a silver halide photographic material with a 1-carbamoyloxypyridinium salt
As quick-acting hardeners for layers which contain protein, in particular gelatin layers for photographic purposes carbamoyl oxypyridinium salts are used.
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4054705 |
Process for decorating coatings produced by heat-stable polymer compositions
The appearance of a heat-stable polymer coating is enhanced by a process which produces a decorative pattern within a coating produced by a heat-stable polymer coating composition. The process...
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4045269 |
Transparent formable polyurethane polycarbonate lamination
A method for producing clear, cured transparent polycarbonate laminates comprises directly bonding a sheet of transparent thermosetting polyurethane sheet to a polycarbonate sheet to produce a...
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4045608 |
Friction facing with porous sheet base
Porous friction facing materials containing cellulose fibers are coated with an impregnant of ethyl silicate to provide automatic transmission clutch plate and band linings of improved frictional...
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4038082 |
Image-receiving material for color diffusion transfer comprising PVA and polymethylol compounds
An image-receiving element for color diffusion transfer photography for use with a photographic element containing at least one silver halide emulsion layer having incorporated therein a dye image...
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4003846 |
Process for the encapsulating of substances immiscible with water
A process for the encapsulating of substances immiscible with water by dispersing the substance to be encapsulated in a distribution medium in the presence of a hydrate or bisulphite adduct of a...
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4002781 |
Process for making carrier sheets containing hardenable polyester resins
This invention relates to a process for making carrier sheets containing hardenable polyester resins by treating the carrier sheets with solutions or emulsions of polyester resins, which comprises ...
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3999834 |
Method for producing optical fibers and resulting fibers
Light-focussing type optical fibers are formed from concentric circular sheath-core composite fibers composed of a sheath forming polymer having a defined solubility parameter and a defined...
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4000099 |
Tar urethane composition
A urethane composition comprising as a base compound a polyol and/or an isocyanate-reactive tar, and as a curing agent a liquid product of a toluene diisocyanate tar occurring as a by-product in...
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3999992 |
Photosensitive element with antihalation layer and magnetic recording strips containing in-benzene disulfofluoride to crosslink antihalation layer
The adherence of a magnetic sound strip to the surface of an anti-halation layer of a multi-layer motion picture film including at least one light-sensitive emulsion layer is enhanced by using as...
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3988516 |
Manufacture of bonded textile sheet structures
A process for improving the water absorption of textile sheet structures bonded by means of a polymer solution or dispersion, by the application and fixation of a polyglycol ether derivative...
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RE28957 |
Synthetic resin compositions and methods of utilizing the same
Methods of applying stable synthetic resin compositions to porous material materials the synthetic resin composition comprising: (1) a synthetic resin; (2) a polyvalent metal complex...
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3971388 |
Titanium covered cardiac pacemaker with elastomer coating and method of applying same
An implantable cardiac pacemaker which is enclosed in a titanium or titanium alloy housing with at least a portion of the housing coated with a silicone elastomer which both electrically and...
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3969552 |
Process for impregnating porous articles
Porous articles impregnated with certain anaerobic polymerizable sealants and having a coating of such sealant on their surface can have such coating removed by dissolving the sealant in an aqueous...
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3965284 |
Chemically opening chrysotile asbestos and encapsulating
Chrysotile asbestos is chemically opened into the individual fibrils by soluble vinylic polymer polyelectrolytes containing carboxylic acid groups in aqueous media. Polyacrylic acids,...
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3958054 |
Chemical embossing of decorative surface coverings
A process of making a decorative surface covering by preparing a granular resinous dryblend containing a vinyl resin and a plasticizer for the vinyl resin, depositing a layer of the dryblend on a...
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3958043 |
Method of making chemically embossed surface coverings
A process of making a decorative surface covering by preparing a granular resinous dryblend containing a polymerizable monomer compatible with the resin and having at least two olefinically...
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3956211 |
Alkyd-type resin composition containing chelate compound having catalytic activity
An alkyd-type resin composition comprising a chelate compound represented by the formula ##EQU1## wherein M is a metal of the first transition metal group (except for nickel), lead, or zirconium;...
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3945927 |
Ion-exchange group bearing composite membranes
Composite membranes bearing ion-exchange groups suitable for use in membrane separation processes are produced by providing a porous substrate which is physically semipermeable by itself, applying...
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3943107 |
Processable high temperature polymers prepared from amine terminated polymers and cyanamides of polyfunctional secondary amines
This invention provides compositions containing amine terminated high temperature prepolymers such as polyimides, polyamide-imides or the corresponding polyamide-acids in combination with...
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3940374 |
Synthesis of polythiol polymer intermediates from polyunsaturated hydrocarbons
Polythiols having more than two terminal and/or pendant thiol groups per polymer molecule are formed by the free radical catalyzed addition of a monomer system made up of either hydrogen sulfide or...
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3939222 |
Production of polyurethane plastics
A process for the preparation of a polyurethane plastic in the form of coatings on the surface of substrates, from storage-stable liquid mixtures free of solvents and made of solid thermoplastic...
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3935339 |
Method for coating particulate material thereof
A Method of coating particulate materials (such as silica sand, glass beads, seeds and metal particles) with a liquid thermosetting epoxy resin which comprises agitating the epoxy resin with the...
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3934021 |
Prevention of apple scald
A method for preventing or inhibiting scald on apples which method comprises applying to said apples an effective amount of a composition comprising as active ingredient a compound selected from...
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3924033 |
Process for the production of sheet materials with reversible absorptivity for moisture vapor
A process for the production of sheet material having reversible absorptivity for moisture vapor by applying polymers containing at least 5% by weight of esters of ethylenically unsaturated...
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3888645 |
TREATMENT OF GLASS FIBERS
This invention is addressed to a method for the treatment of glass fibers and to the glass fibers treated thereby, in which glass fibers are coated while in a nascent state with an epichlorohydrin...
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3877978 |
Semipermeable membranes
A method of improving the rejection performance of semipermeable membranes by incorporating thereinto an effective amount of a supplemental polymer containing a substantial amount of acetyl groups....
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3865615 |
NON-THROMBOGENIC PLASTICS
Non-thrombogenic plastic materials are prepared by a process which first fluorinates polyolefins or polyesters under conditions which produce both fluoride groups and reactive carboxyl groups and...
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3860680 |
METHODS OF MAKING MICROPOROUS POLYMER MATERIALS
Process is disclosed for producing water vapour permeable polymer sheets of improved surface smoothness. A coagulable polymer composition is applied to a dried evenly porous belt which then slides...
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3849173 |
SYNTHETIC RESIN COMPOSITION AND METHODS OF UTILIZING THE SAME
Methods of applying stable synthetic resin compositions to porous material the synthetic resin compositions comprising: (1) a synthetic resin; (2) a polyvalent metal complex coordination compound;...
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3785847 |
PROCESS FOR ANTI-CORROSIVE PROTECTION BY REDUCTION OF IONISED METALS ON METAL SUBSTRATE
Protecting iron and steel against corrosion by deposition of a metallic deposit from ionic compounds on the metal to be protected. The method comprises applying to the metal to be protected a paint...
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3729536 |
METHOD OF PRODUCING WATER VAPOR PERMEABLE SHEET MATERIAL
Coagulation process and apparatus for producing thick microporous polyurethane sheet material by passing a sheet of polymer extended with liquid vehicle beneath a close spaced plate with liquid...
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3650802 |
PROCESS FOR COATING A SUBSTRATE WITH A POLYENE/POLYTHIOL COMPOSITION
This invention relates to curing of coatings, sealants and laminates under ambient conditions without affecting the pot life of a curable liquid composition comprising a polyene containing at least...
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3647515 |
PROCESS FOR TREATING WINDSHIELDS OF ORGANIC GLASS AND, RESPECTIVELY, THE OUTER LAYERS THEREOF
An airplane windshield in the cockpit made of organic glass provided with a reliably effective antistatic coating which can withstand any external influences on a permanent basis and for preventing...
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3515567 |
METHOD OF SURFACE TREATING POLYMER FILM TO PRODUCE PAPER-LIKE ARTICLE
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3514316 |
METHOD OF COATING METAL WITH COAL TAR PITCH AND ARTICLE PRODUCED THEREBY
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3514317 |
METHOD OF COATING A METAL SUBSTRATE WITH COAL TAR ENAMEL AND PRODUCT PRODUCED THEREBY
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3513049 |
GLASS FIBER TREATMENT FOR ELASTOMERIC REINFORCEMENT AND COMPOSITIONS
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3510340 |
PRINTING PROCESS
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3503789 |
METHOD OF MAKING A DYNAMIC SOLUTE-REJECTING MEMBRANE
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3475154 |
PLURAL COATED PELLET FORM PRODUCTS AND PROCESS OF MAKING
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3462523 |
CELLULAR COMPOSITIONS AND FIBROUS GLASS COATED THEREWITH
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3458337 |
METHOD FOR MAKING COVERING MATERIALS INCORPORATING FOAMED RESIN MATERIAL AND PRODUCT THEREOF
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3450556 |
TRAFFIC MARKING
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3429848 |
FOUNDRY BINDER COMPOSITION COMPRISING BENZYLIC ETHER RESIN,POLYISOCYANATE,AND TERTIARY AMINE
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3420695 |
PROCESS FOR DESENSITIZING METALLIC POWDERS
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3411940 |
Process for coating surfaces with polyepoxide compositions
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