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4135009 |
Benzoic acid terminated oligoesters as melt flow modifiers of thermoplastic coatings and powders
The application discloses a mixture of high molecular weight hard resins, such as polymethyl methacrylate, cellulose acetate butyrate and cellulose nitrate with low molecular weight benzoic acid...
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4133783 |
Thermosetting cellulose ester powder coating composition
Thermosetting powder coating compositions comprising cellulose butyrate having a butyryl content of from about 35% to about 55% by weight, a hydroxyl content of from about 0.5% to about 3.0% by...
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4133916 |
Coating process with compositions of active hydrogen compound, unsaturated or epoxy compound, and carbamothioate curing agent
Process for coating a substrate with a heat-curable coating composition comprising a compound having labile hydrogenation groups, a compound having unsaturated carbon-carbon or epoxy groups, and a...
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4133843 |
Powder coating resin process
A process for preparing a free-flowing curable powder resin composition with a sintering temperature above 40° C., comprising the steps of condensing a methylolurea or methylolaminotriazine with...
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4132840 |
Process for coloring polyurethane foams
Polyurethane plastics are dyed with dyestuffs of the formula ##STR1## wherein R 1 denotes hydrogen, halogen, optionally substituted C 1 -C 4 -alkyl, optionally substituted C 1 -C 4 -alkoxy and...
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4132815 |
Method of making self-locking fasteners with a pressure rolled thermoplastic patch
A self-locking threaded fastener of the type having a resilient thermoplastic resin patch bonded to the thread surface and a method and apparatus for making such fasteners are disclosed. The...
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4131690 |
Method of powder coating an insulated electrical conductor
A method of producing an insulated electrical conductor, in which a wire conductor is coated with an inner layer of heat resistant material and covered with electrostatically deposited powdered...
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4124729 |
Method of multiple powder coating employing geneva gears
A method of multiple powder coating wherein articles to be coated are fed to a conveyor which comprises a pair of Geneva gears secured to both ends of a rotatable shaft. The Geneva gears have a...
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4120993 |
Method of making self-locking fasteners
The improved method of making a self-locking threaded element having a strongly adhered plastic body on its threaded surface providing strong frictional engagement between the element and a mating...
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4115474 |
Grafted, polymeric microcapsular system
Discrete, substantially spherical microcapsules having a solid polymeric shell and a solid, non-tacky polymeric core, which is grafted to the polymeric shell, are provided. Such microcapsules may...
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4113576 |
Method of making a thin-copper foil-carrier composite
The present invention is directed to an improved method of making a thin copper foil preferably about 0.5 oz. per sq. ft. or less in weight, and carrier composite by forming, as by electroplating,...
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4113684 |
Low temperature cure epoxy-amine adhesive compositions
A composition, which is suitable for use as an adhesive, is made by mixing: (A) 1 part of an adduct reaction product consisting of a solid epoxy resin and a stoichiometric excess of an aliphatic...
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4113898 |
Method of applying powder coatings of unsaturated branched hydroxyester resins
An unsaturated, branched hydroxyester resin produced by the esterification of a saturated or unsaturated aliphatic or aromatic dicarboxylic acid with a mixture comprising about 75 - 97 mole percent...
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4112012 |
Pulverulent coating agents
Object of the invention are pulverulent coating compositions which are obtained if the coating compositions contain as crosslinking agents polyglycidyl esters of polycarboxylic acids and as binders...
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4110186 |
Fluorinated ethylene-propylene copolymer powders having improved adhesion to substrates and method
Melt-processible fluorinated ethylene-propylene copolymer powders may be rendered more adherent to substrates, particularly metal substrates, by irradiating the copolymer powder with about 0.5 to 6...
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4107356 |
Method of powder lining
A powder lining method which comprises coating a substrate with a synthetic resin powder containing 2 to 50 wt. % of a carbon fiber having a length of less than 1000 microns and subsequently...
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4104416 |
Thin walled protective coatings by electrostatic powder deposition
A process for producing thin walled coatings on elongated substrates by the electrostatic application of two superimposed layers of powder material is disclosed. The process comprises the steps of...
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4101687 |
Electrostatic coating method
Coatings of particulate materials are produced by the use of a highly ionized gas which, in turn, is employed to electrostatically charge the particles. The ionized gas is generated at location...
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4098927 |
Method for producing fibre-reinforced thermoplastic polymer
A method for reducing lace breakage in a process in which a continuous roving is impregnated with a polymer powder before melting and consolidating the impregnated roving, wherein the consolidated...
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4097644 |
Inorganic raw felt intended for the production of roof felt
An improved raw felt material having a high degree of strength and flexibility and increased bulk. The raw felt is used in producing an asphalt roofing cover. The felt is formed from an adhesively...
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4096130 |
N,N'substituted 2,4,5-triketoimidazolidines, corresponding resinous polymers and a process for their preparation
A process for the preparation of a polymer compound containing a plurality of structural units of the formula ##STR1## and having the formula ##STR2## WHEREIN ONE OF Q and Q' are independently the...
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4096291 |
Melt coating composition and coating process
A process for the low solvent or solvent free coating of heat resistant substrates by using a coating substance which has a melting point or range below about 200° C and which is heat...
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4094674 |
Method of fixing a toner powder image on a sheet of material
A method of fixing a toner powder image on a sheet of material. A substantially flat impact surface is provided, and the side of a sheet opposite to the side carrying a freshly applied toner powder...
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4089998 |
Method of powder coating the interior of tubular goods
The interior of a pipe is coated with a uniform thickness of plastic. A fluidized bed of heat-meltable plastic material in particular form is connected to the inlet end of the pipe, while the...
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4089910 |
Thermosetting powder coating compositions
A thermosetting powder coating composition comprising: (A) a graft copolymer of A. 10 to 40 percent of a linear polyester having a number average molecular weight of 600 to 3,000 and...
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4088809 |
Low dissipation factor electrostatic epoxy wire coating powder
A coating powder is made by hot melt mixing a composition of three diglycidyl ethers of bisphenol A, a pre-prepared epoxy ester, and a curing agent containing trimellitic anhydride. The composition...
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4086376 |
Polyphenylene sulphide applications
A method of applying a bearing lining at least 0.005 inch thick of polyarylene sulphide to a bearing backing, which comprises applying to said backing a powder composition consisting of at least...
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4080928 |
Apparatus for applying and adhering particulate thermoplastic materials to supporting substrates
Methods and apparatus for applying and adhering particulate thermoplastic materials to supporting substrates, such as medallions, appliques, patches, and like goods which comprise: placing the...
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4076567 |
Method of producing plastic sheets with integrated geometric decorative patterns
A method and apparatus for producing synthetic resin sheets having geometric decorative patterns extending through the thickness of the sheet as a substantially identical pattern image...
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4075369 |
Method of coating with water dispersible, low molecular weight polyamide resin particles of uniform sizes
Finely-divided, water dispersible, low molecular weight, linear polyamide resin particles having a unique morphology and of uniform particle sizes are formed by preparing a linear polyamide of a...
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4075390 |
Fusing surface and method for fixing toner
A silicone rubber surface for fixing resinous powder images to a substrate at elevated temperatures in a xerographic reproducing apparatus is disclosed. The silicone rubber surface prevents offset...
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4075363 |
Method of making color decorated, plastic coated glass articles
A glass decorating color is applied to a glass article but is not bonded permanently to the glass. A finely divided heat settable plastic material is applied to the article over the impermanently...
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4075181 |
Powder coating compositions based on a cyclic nitrile compound
A shelf-stable polymer-producing coating powder composition is presented comprised of a cyclic nitrile compound and an organic compound containing at least two carboxyl or carboxylic acid anhydride...
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4074010 |
Ceramic-paint coatings
This disclosure relates to multi-layer coatings of ceramic paint and teaches how they may be made and used. It discloses that such coatings are made by applying finely-divided material, such as...
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4074006 |
Powder coatable polyester composition and electrical conductor coated therewith
Disclosed is a curable resinous coating composition which includes a polyester resin and a relatively small amount of a titanium-containing curing agent and optionally includes a surfactant and/or...
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4072795 |
Thin film electrostatic epoxy powder coating process and the resulting article
A coating powder is made by preparing a composition of two different diglycidyl ethers of bisphenol A and a curing agent, extruding the composition, cooling it to form a solid, and grinding the...
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4070503 |
Process for continuously coating a metal wire at high velocity
A metal wire to be coated with thermoplastic material is advanced at high speed, e.g. of 100 meters per minute, through a codirectionally moving mass of thermoplastic particles after having been...
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4060655 |
Resin coated metal substrates
An article comprising a metal substrate in the form of a pipe or a container, said substrate being coated with a hardened epoxy resin composition formed from (A) a solid epoxy resin based on...
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4057607 |
Process for preparing shear degradable particle-containing resin powders
There is disclosed a process for preparing shear degradable particle-containing resin powders. This process comprises (a) preparing a first composition comprising shear degradable particles and...
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4055688 |
Method and apparatus for applying synthetic resin powder in a grate-shaped coating to web material
A method of, and apparatus for, applying a synthetic resin or plastic powder in a grate-shaped coating to web material wherein an upper layer is formed so as to coincide with and lie upon a lower...
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4054688 |
Method of making locking nuts
Improved process for applying locking patches of resilient resin to internally threaded articles such as nuts having openings at both ends of the threaded portions in which process there is used...
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4054681 |
Coating powders on the basis of thermoplastic polyesters
An improvement in a process for coating a substrate by a powder coating process wherein a polyester powder is applied to said substrate which improvement comprises using as the polyester powder a...
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4054713 |
Process for preparing glass fiber mats
Glass fiber mats are prepared by binding glass fibers with a resinous component, wherein the resinous component is an unsaturated polyester resin powder having a melting point of 80° to 130° C...
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4053659 |
Adherent powder coatings on a basis of PVC copolymers
Adherence of polyvinylchloride coatings to substrates such as metal, glass, and ceramics is improved by using as the coating composition a copolymer of polyvinylchloride admixed with...
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4053661 |
Particle cloud coating method and apparatus
Objects are coated using apparatus which includes a mechanical barrier effectively interposed between a cloud of particles which is produced thereby, and the travel path for objects conveyed...
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4044190 |
Coated metal article
Polymeric materials which comprise a hydroxyalkyl ester of acrylic acid or methacrylic acid, a monoethylenically α,β-unsaturated carboxylic acid, and an alkyl ester or esters of acrylic and/or...
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4044175 |
Method of recycling powder coatings in a plural coating operation
A method of painting an article with powder paint is disclosed. A first spray zone is established for applying an undercoat of paint on the article. The article is moved through the first spray...
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4044171 |
Process for polyaddition products which contain uretdione groups and use in coatings
The present invention teaches a novel polyisocyanate lacquer binder and a method preparing it. The binder is prepared by reacing uretidione containing polyisocyanates optionally mixed with...
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4039703 |
Method for producing a tubular multi-layered porous barrier
A method for producing a tubular multi-layered porous barrier comprising the step of depositing fine powder onto at least one of the inner and outer surfaces of a sintered tubular porous support...
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4035528 |
Coating substrate with polyolefin/polycarbonamide powder compositions
Polyolefin/polycarbonamide powder compositions suitable for the production of continuous coatings on substrates such as glass or metal which can be deposited on a substrate and then fused to the...
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