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| Number | Title | Issue Date |
| 5011635 | Stereolithographic method and apparatus in which a membrane separates phases The present invention contemplates a stereolithographic apparatus and method having a liquid organic phase and a fluid phase separated by a membrane that inhibits contact between the phases.... | 04/30/1991 |
| 4999216 | Method of coating concrete floors with photocurable coatings A method of coating a concrete floor is disclosed in which the concrete surface is coated with a homogeneous liquid coating composition containing maleate or fumarate unsaturation in combination with vinyl ether unsaturation and a ketonic photoinitiator, ... | 03/12/1991 |
| 4996282 | Cationically curable polyurethane compositions having vinyl ether functionality A cationically curable polyurethane composition comprises the reaction product of an organic polyisocyanate with a transvinylation polyhydric alcohol mixture containing hydroxy groups. The polyisocyanate consumes substantially all of the available hydroxy... | 02/26/1991 |
| 4972006 | Postcuring of unsaturated stereolithographic specimens using aqueous initiating baths A method of curing a three-dimensional specimen of preformed cross-linked polymeric material containing polymerizable ethylenically-unsaturated material is provided in which the specimen is immersed in water having dissolved therein an amount of a water-s... | 11/20/1990 |
| 4957952 | Anionic electrocoat compositions containing epoxy phosphates Thermosetting aqueous anionic electrocoating composition are disclosed which comprise a carboxyl-functional anionic polymer dispersed in water with the aid of water miscible organic solvent and a volatile base, and from about 1% to about 5%, based on the ... | 09/18/1990 |
| 4956198 | Ultraviolet-curable cationic vinyl ether polyurethane coating compositions Substantially hydroxy free, liquid, ultraviolet-curable compositions comprise cationically polymerizable ethylenically unsaturated material including a vinyl ether-terminated polyurethane which is the reaction product of isocyanate-reactive material inclu... | 09/11/1990 |
| 4946711 | Masking compositions and method for applying the same A method, and aqueous emulsion, for coating a metal part with a peelable mask that is resistant to attack by the strong acid and strong base etchants used in chemical milling are disclosed. The method comprises contacting a polyvalent metal cation salt-su... | 08/07/1990 |
| 4946891 | Semi-continuous emulsion polymerization process A method of carrying out a continuous aqueous emulsion copolymerization using a single continuously stirred tank reactor to reduce the particle size distribution and the presence of over-sized particles comprises, slowly supplying to a reactor the materia... | 08/07/1990 |
| 4945032 | Stereolithography using repeated exposures to increase strength and reduce distortion An improved stereolithographic process is provided in which the formation of a thin walled three-dimensional object in a reservoir of liquid ultraviolet-curable ethylenically unsaturated material using a support is positioned immediately beneath the upper... | 07/31/1990 |
| 4943600 | Photocurable polyamine-ene compositions having improved cure speed A photocurable ethylenically unsaturated liquid coating composition consisting essentially of: 1- polyethylenically unsaturated material in which the ethylenically unsaturated groups are polymerizable groups which are not (meth)acrylate groups; 2- a polya... | 07/24/1990 |
| 4942001 | Method of forming a three-dimensional object by stereolithography and composition therefore A stereolithographic method which employs an ultraviolet-curable liquid composition adapted to cure rapidly to a lightly cross-linked solvent-swellable three-dimensional complexly-shaped polymeric thin-walled element constituted by heat-softenable solid p... | 07/17/1990 |
| 4932750 | Single-coated optical fiber Radiation-curable coating compositions particularly adapted for the single coat coating of optical fibers are disclosed. These comprise (1) from 65% to 85% of a diethylenic-terminated polyurethane, which may contain urea groups, the polyurethane being bas... | 06/12/1990 |
| 4889901 | Ultraviolet-curable blends of acrylated polyurethanes and silsesquioxane oligomers having improved adhesion to glass A light-curable ethylenically unsaturated liquid coating composition which cures to provide low modulus coatings adapted for the primary or single coat coating of optical glass fiber and having improved adhesion is disclosed. This composition comprises: (... | 12/26/1989 |
| 4849462 | Ultraviolet-curable coatings for optical glass fibers having improved adhesion Optical glass fiber having its glass surface adherently coated with an ultraviolet-cured coating of a liquid ultraviolet-curable coating composition is disclosed in which the composition comprises an ultraviolet-curable polymeric polyacrylate, a photoinit... | 07/18/1989 |
| 4847314 | Polyester coatings from terephthalate polyester and hydroxy-functional linear polyester A process of producing a room temperature-stable solvent solution from a high molecular weight crystalline ethylene glycol terephthalate solid polyester is disclosed in which the polyester is incorporated into a hot melt of an hydroxy-functional linear po... | 07/11/1989 |
| 4844604 | Optical fiber bundling material and bundled optical fibers A curable resin composition adapted for bundling coated optical fibers comprises: (A) polyetherpolyurethanes of at least one kind having an ethylenically unsaturated group and containing from 40% to 85%, by weight, of a tetramethyleneoxy structure in the ... | 07/04/1989 |
| 4844144 | Investment casting utilizing patterns produced by stereolithography A method of investment casting utilizes a pattern produced by stereolithography in which a three-dimensional specimen is provided by light cure of ethylenically unsaturated liquid material. The stereolithography composition is constituted by the ethylenic... | 07/04/1989 |
| 4840991 | Aqueous dispersions of partially cross-linked emulsion copolymers Aqueous dispersions of partially cross-linked copolymer particles useful in aqueous coating compositions is produced by copolymerizing in aqueous emulsion a mixture of: (A) from 1% to 30% of polyethylenically unsaturated monomer; (B) from 3% to 30% of hyd... | 06/20/1989 |
| 4839403 | Cross-linked emulsion copolymers in thermosetting aqueous coatings Aqueous thermosetting coating compositions are disclosed in which water has dispersed therein: (1) an acidic hydroxy-functional resin dispersed in water as a salt with a volatile base; (2) a curing agent reactable with the hydroxy groups of the hydroxy-fu... | 06/13/1989 |
| 4835018 | Abrasion and corrosion resistant primer coatings Pigmented, abrasion and corrosion resistant, thermosetting organic solvent solution coating composition comprise: (A) from about 50 percent to about 85 percent of total resin solids of a triol-based blocked polyurethane polyisocyanate having a number aver... | 05/30/1989 |
| 4824728 | Multilayer durable fluorocarbon coatings Substrates, and especially aluminum substrates, are durably coated to include, as a basecoat, a heavily pigmented opaque coating composition consisting essentially of from about 45% to about 85% of a fluorocarbon resin and from 15% to about 55% of an acry... | 04/25/1989 |
| 4822841 | Strong and elastic polyurethane, polyurea, polyarylates and electron beam-cured coatings containing the same An essentially isocyanate-free polyurethane, polyurea, polyethylenic oligomer is disclosed which is unusually strong and elastic and which possesses improved solvent solubility. This oligomer is the reaction product of: (1) organic diisocyanate; (2) a sto... | 04/18/1989 |
| 4818780 | Radiation-curable phenoxy resins, production thereof, and electron beam-curable compositions containing the same The reaction product of an adduct of an ethylenically unsaturated monohydric alcohol, such as 2-hydroxyethyl acrylate, with an organic diisocyanate in which one of the two isocyanate groups is more strongly reactive than the other, such as isophorone diis... | 04/04/1989 |
| 4806574 | Ultraviolet curable coatings for optical glass fiber based on a polyfunctional core An ultraviolet curing liquid coating composition which, when cured with ultraviolet light in the presence of an appropriate photoinitiator, provides a coating adapted for the coating of optical glass fiber. This coating composition comprises as the essent... | 02/21/1989 |
| 4806390 | Masking compositions for chemical milling and method for applying the same A method of coating a metal part with a peelable mask which is resistant to attack by the strong acid and strong base etchants used in chemical milling is disclosed in which the metal part is surfaced with a layer of polyvalent metal salt, such as calcium... | 02/21/1989 |
| 4801671 | Production of alkali-soluble, carboxyl-functional aqueous emulsion thickeners There is disclosed a method of carrying out an aqueous emulsion copolymerization to provide an alkali-soluble anionic copolymer having thickening characteristics while minimizing plating and grit problems in which the aqueous emulsion copolymerization of ... | 01/31/1989 |
| 4798852 | Ultraviolet curable coatings for optical glass fiber Radiation-curing oligomers and liquid coating compositions based thereon are disclosed which cure with ultraviolet light in the presence of a photoinitiator. The coating compositions can provide either a single coating for optical glass fiber which resist... | 01/17/1989 |
| 4797176 | Thermosetting size press composition A thermosetting size applyable to paper in a size press and curable at a temperature not in excess of about 280° F. for 10 seconds is disclosed. This size comprises an aqueous emulsion comprising water having suspended therein aqueous emulsion copolymer ... | 01/10/1989 |
| 4795777 | Single coat fluorocarbon protective coatings providing the appearance of anodized aluminum A thermosetting solvent solution coating composition is disclosed which cures to provide the appearance of anodized aluminum. This composition comprises a dispersion of a fluorocarbon polymer in volatile organic solvent which is pigmented with a finely di... | 01/03/1989 |
| 4794133 | Acrylated polyurethanes based on polyoxytetramethylene glycols extended with ethylenically unsaturated dicarboxylic acids An ultraviolet-curable coating composition adapted for the buffer coating of optical glass fiber consists essentially of an acrylate-capped polyurethane in admixture with at least about 25% of its weight of liquid monoethylenically unsaturated monomer hav... | 12/27/1988 |
| 4782129 | Acrylated polyurethanes based on polyoxytetramethylene glycol chain extended with substituted diacids An ultraviolet-curable coating composition adapted for the buffer coating of optical glass fiber consists essentially of an acrylate-capped polyurethane in admixture with at least about 25% of its weight of liquid monoethylenically unsaturated monomer hav... | 11/01/1988 |
| 4761435 | Polyamine-polyene ultraviolet coatings Ultraviolet-curable ethylenically unsaturated liquid coating composition are disclosed which consist essentially of: 1--polyethylenically unsaturated material in which the ethylenically unsaturated groups are polymerizable groups which are not (meth)acrylate ... | 08/02/1988 |
| 4754056 | Radiation-curable coatings containing reactive pigment dispersants Liquid coating compositions adapted to be cured by exposure to ionizing radiation are disclosed in which a liquid vehicle of coating viscosity having an ethylenically unsaturated portion comprising one or more polyethylenically unsaturated materials adapt... | 06/28/1988 |
| 4741958 | Ultraviolet curable outer coatings for optical fiber Buffer-coated and overcoated optical glass fiber is disclosed in which the topcoat has the high strength and high tensile modulus combined with good elongation and solvent resistance associated with extruded jacket coatings, but which is applied by ordina... | 05/03/1988 |
| 4739004 | Cross-linked dispersion copolymers containing vinyl acetate Cross-linked dispersion copolymers are disclosed which are produced by the aqueous emulsion copolymerization of from 15% to 80% of vinyl acetate, and from 5% to 70% of polyethylenically unsaturated cross-linking agent, like hexane diol diacrylate, from 1%... | 04/19/1988 |
| 4737529 | Cathodic electrocoat compositions containing epoxy phosphates Aqueous thermosetting cationic electrocoating compositions are disclosed in which an amine-functional cationic polymer is dispersed in water with the aid of an acid, a curing agent being added if the polymer is not self-curing, and there is added from 1% ... | 04/12/1988 |
| 4735981 | Combinations of associative thickeners and aqueous latex paints containing the same Alkaline aqueous latex paints are disclosed which have a pH of at least about 7.5 and contain an effective amount of a combination of thickeners constituted by: (I) a urethane polymer having at least three hydrophobic groups, at least two of which are ter... | 04/05/1988 |
| 4734333 | Postformable ultraviolet curable coatings A postformable ultraviolet curable primer coating composition is disclosed which consists essentially of: (A) from 10% to 80% of a linear acrylate-terminated polyurethane based on a polycarbonate diol; (B) from 2% to 35%, of acrylic acid; (C) from 15% to ... | 03/29/1988 |
| 4730045 | Method for making pyrimidin-2-one and imidazol-2-one copolymerizable monomer derivatives Monoethylenically unsaturated copolymerizable monomers are disclosed which improve the adhesion of copolymers (especially those produced by aqueous emulsion copolymerization to provide latex paint). These monomers are the reaction product of one equivalen... | 03/08/1988 |
| 4722962 | Nonionic associative thickeners Nonionic associative thickeners suitable for use in aqueous coating compositions comprise an aqueous solution polymer of (a) from about 40 percent to about 98 percent, preferably from 60 to 95 percent, by weight of a monoethylenically unsaturated monomer ... | 02/02/1988 |
