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| Number | Title | Issue Date |
| 5091205 | Hydrophilic lubricious coatings A new method is provided to impart a hydrophilic lubriciious coating onto articles such as medical devices. A device, for example a catheter, is first contacted with a polyisocyanate solution, to provide coupling, then contacted with a poly(carboxylic aci... | 02/25/1992 |
| 5087547 | Dual-tone photoresist utilizing diazonaphthoquinone resin and carbodiimide stabilizer The resolution and stability of liquid, dual-tone photoresist formulations containing novolac resins and photoactive compounds are enhanced by the incorporation therein of certain carbodiimide resolution enhancers.... | 02/11/1992 |
| 5055493 | Antimicrobial composition and method of use in oil well flooding Antimicrobial compositions, containing 2,2-dibromo-2-nitroethanol, are fast acting and more effective than other halonitroalknaols, while particularly effective in industrial cooling water, pulp and paper manufacture, and for inhibiting sulfur-reducing ba... | 10/08/1991 |
| 5043221 | Conformal coatings cured with actinic radiation A curable composition based on a cycloaliphatic polyepoxide, a polytetramethylene oxide polyol and a photoinitiator; and a circuit board having as a conformal coating thereon, the cured product of the curable composition.... | 08/27/1991 |
| 5019361 | Removal and recovery of sulphur dioxide from gas streams Sulphur dioxide is removed from gas streams by contacting the gas stream with an absorbing medium containing less than about 80 wt. % of water and the spent absorbing medium subsequently is regenerated by removing absorbed SO2. The absorbing me... | 05/28/1991 |
| 5017409 | Method of conformal coating Spray coating, particularly flat spray coating of circuit boards. Applicant's method of conformal coating, eliminates "railroading" at the edges of the flat spray web and assures precise control of the amount of coating material placed on the circuit boar... | 05/21/1991 |
| 5017350 | Gas scrubbing process Components are removed from gas streams by contact in a contact zone with finely-divided droplets of reversible liquid sorbent wherein a portion of the droplets is coalesced, which droplets contain a concentration of component sorbed greater than that pre... | 05/21/1991 |
| 5015701 | Composition of vinyl ester resin, hydroxyalkyl (meth)acrylate and a styrene Described herein are curable molding compositions comprising a mixture of: (a) a vinyl ester produced by the addition of an unsaturated monocarboxylic acid to a polyepoxide and having a molecular weight greater than 300; (b) acrylic or methacrylic acid or a functio... | 05/14/1991 |
| 5008022 | Process for scavenging sulfides A process and formulation are provided for the removal of sulfides from solids and fluids utilizing certain halonitroalkanols. These compounds can rapidly and quantitatively remove hydrogen sulfide, organic sulfides and their salts from solutions, particu... | 04/16/1991 |
| 4997643 | Polymeric salt delivery systems A biocompatible, film-forming delivery system for the delivery of pharmaceutical or therapeutic actives to a desired topical site of a subject, the system including: an active salt compound, wherein the active salt compound is at least a partial salt of (... | 03/05/1991 |
| 4769174 | Polyether silicone copolymers with secondary or tertiary hydroxy terminated for stabilizing high resiliency urethane foam This invention describes novel molded flexible polyurethane foam surfactants which can be used in foam having high concentrations of reinforcing graft copolymer solids. The invention also describes an improved process for making these foams using the nove... | 09/06/1988 |
| 4652589 | Polymer/polyols having improved combustion resistance and intrinsic viscosity, methods of making same and polyurethanes prepared therefrom A normally liquid, stable polymer/polyol composition which imparts improved combustion resistance to polyurethane foams prepared therefrom while retaining satisfactory foam tensile properties are formed by polymerizing in the presence of a free radical ca... | 03/24/1987 |
| 4647624 | Epoxy-modified polyols and polymer-polyols useful in the preparation of improved plastics, including polyurethane foams, elastomers and the like Polyurethane which is reaction product of mixture comprising polyisocyanate and polymer-polyol comprising reaction product of polyol of average molecular weight of at least 500 and that is essentially free of ethylenic unsaturation, epoxy co-reactant esse... | 03/03/1987 |
| 4640962 | Silicone-modified polyester resin and silicone-sheathed polyester fibers made therefrom Polyester resin is modified with siloxane block polymers in such a manner so as to form silicone-modified polyester copolymer domains of controlled size and distribution dispersed in the polyester matrix. These domains undergo microphase segregation and m... | 02/03/1987 |
| 4584138 | Novel fatty ethenoid acylaminoorganosilicon compounds and their use as a coupling agent A novel class of fatty ethenoid acylaminoorganosilicon compounds are provided which are useful as coupling agents for fiber glass reinforced resin composites.... | 04/22/1986 |
| 4581470 | Novel polyols and uses thereof Novel polyols, useful in, for example, reaction injection molding, high resiliency foams and the preparation of polymer/polyols, characterized by the following formula: ##STR1## wherein A and A', which may be the same or different, are conductive ato... | 04/08/1986 |
| 4579965 | Process for preparing vinyl-tri-(tertiary substituted) alkoxysilanes A process for preparing vinyl-tri-t-oxysilanes by reacting a tri-t-alkoxysilane with an alkyne in the presence of a platinum hydrosilation catalyst at a reaction temperature greater than 150° C. forms a vinyl-tri-t-alkoxysilane in high yields and of high... | 04/01/1986 |
| 4579700 | Novel process for making flexible polyurethane cellular products including a novel cell opening technique A process for making molded flexible polyurethane cellular products which do not substantially shrink or change dimensionally upon cooling is provided by exposing the curing product to atmospheric pressure while in the confines of the mold. Exposure can b... | 04/01/1986 |
| 4579964 | Alkoxysilyl functional silicones Novel alkoxysilyl functional silicones capable of imparting satisfactory lubricity and other properties such as softness to a variety of textile fabrics over an extended period of time under normal usage. The alkoxysilyl functional silicones include at le... | 04/01/1986 |
| 4560451 | Electrolytic process for the production of alkene oxides Alkene oxide can be made in a simple, closed process that uses electrolysis to make bromine and hydroxide from bromide and water. The alkene reacts with bromine and then water to form an alkene bromohydrin, which is dehydrobrominated by hydroxide, regener... | 12/24/1985 |
| 4558146 | Process for preparing vinylaminosilanes A process for preparing vinylaminosilanes in which an aminosilane of the formula HSi(NRR')x (R")3-x is reacted with an alkyne of the formula R"'C.tbd.CH in which R and R" are each saturated or unsaturated aliphatic hydrocarbon radica... | 12/10/1985 |
| 4556725 | Process for preparing triacetoxysilanes from tris(amino)silanes Triacetoxysilanes are prepared by adding a tris(amino)silane to acetic anhydride and maintaining the reaction mix at a temperature no greater than about 50° C.... | 12/03/1985 |
| 4556726 | Process for converting octamethylcyclotetrasiloxane to decamethylcyclopentasiloxane Method for producing decamethylcyclopentasiloxane (cyclic pentamer) from octamethylcyclotetrasiloxane (cyclic tetramer) by heating said cyclic tetramer in the presence of an aqueous hydrochloric acid solution and a salt of a protonated amine having at lea... | 12/03/1985 |
| 4550056 | Electrical cable containing cured elastomeric compositions Novel coupling compositions for improving adhesion between an organic elastomer and an inorganic substrate comprise (A) an ethylenically unsaturated silane, having bonded to silicon, at least one hydroxy group and/or alkoxy group reactive with the inorgan... | 10/29/1985 |
| 4542174 | Organosilicon/oxirane additives for filled condensation polymer composites Combinations of oxirane compounds and acylamino or cyano silanes which are stable at room temperature when incorporated, either by integrally blending or pre-treatment onto fillers, into filled condensation polymer systems produce superior composites exhi... | 09/17/1985 |
| 4539340 | Half-ester adducts and polymer-polyols useful in the preparation of improved plastics, including polyurethane foams, elastomers and the like Half-ester adducts and improved polymer-polyols, both useful in the production of polyurethane foams and other synthetic materials are provided, as well as synthetic end products. The half-ester adducts are produced by reaction between polyols and polycar... | 09/03/1985 |
| 4526922 | Organofunctional silane-siloxane oligomer coupling compositions, curable and cured elastomeric compositions containing same and novel electric cable containing said cured elastomeric compositions Novel coupling compositions for improving adhesion between an organic elastomer and an inorganic substrate comprise (A) an ethylenically unsaturated silane, having bonded to silicon, at least one hydroxy group and/or alkoxy group reactive with the inorgan... | 07/02/1985 |
| 4526996 | Process for the preparation of N-substituted aminoalkylsilanes N-substituted aminoalkylsilanes are obtained via a selective process which comprises reacting a cyanoalkylsilane with a primary or secondary amine in the presence of a heterogeneous hydrogenation catalyst selected from the group consisting of rhodium, pla... | 07/02/1985 |
| 4526954 | Organosiloxane polymers and compositions containing same curable upon exposure to gaseous oxygen Polyorganosiloxanes that are curable to crosslinked solid material, at ambient temperature upon exposure to gaseous oxygen, wherein the polyorganosiloxane contains, per molecule, at least one monovalent olefinically polyunsaturated organic radical contain... | 07/02/1985 |
| 4524157 | Adducts and polymer-polyols useful in the preparation of improved plastics, including polyurethane foams, elastomers and the like Adducts and improved polymer-polyols, both useful in the production of polyurethane foams and other synthetic materials are provided, as well as synthetic end products. The adducts are produced by combining polyols and compounds having carboxylic carbon a... | 06/18/1985 |
| 4504549 | Elastomeric silicone finishes applied to substrates and method of preparing same An elastomeric silicone finish is prepared from a silicone system comprising a blend of silanols and crosslinable silicone intermediates. The blend is applied to the desired substrate and thereafter catalyzed and cured to obtain an elastomeric finish.... | 03/12/1985 |
| 4497787 | Branched polycarbosilanes and their use in the production of silicon carbide Silicon carbide can be produced by the pyrolysis of branched polycarbosilanes which in turn are produced directly from selected monomer systems.... | 02/05/1985 |
| 4496482 | Liquid crystal silanes Silicon based liquid crystal compounds produced by the reaction of an isocyanatosilane with a Schiff base, aromatic ester, azo compound or cholesteryl compound. The liquid crystals are useful in those applications in which liquid crystals are currently us... | 01/29/1985 |
| 4496754 | Silyl carbamates and synthesis thereof Silyl carbamates are produced by the reaction under suitable reaction conditions of silanes bearing at least one silicon-hydrogen bond of the formula: R4-x SiHx with an ammonium carbamate of the formula: R'R"NH2.sym. | 01/29/1985 |
| 4495341 | Epoxy-modified polyols and polymer-polyols useful in the preparation of improved plastics, including polyurethane foams, elastomers and the like Adducts, improved polymer-polyols and improved polyurethane foams are provided. The adducts are produced by reacting suitable polyol and epoxy co-reactant to essentially eliminate all epoxy groups. The polymer-polyol is produced by polymerizing suitable e... | 01/22/1985 |
| 4481322 | Novel reinforcing additive and method of reinforcing thermoplastic polymer therewith Integrally blended additives, consisting of a ternary mixture of gamma methacryloxypropyl trimethoxysilane, trimethylolpropane triacrylate and a siloxaneoxyalkylene block copolymer, in the absence of dicumyl peroxide do not consistently improve the mechan... | 11/06/1984 |
| 4481364 | Preparation of aminopropyltrialkoxysilanes and/or aminoalkylalkoxysilanes A platinum catalyzed addition of allylamine and N-substituted allyl amines to trialkoxysilanes or alkylalkoxysilanes is improved by running the reaction under pressure at 110°-210° C. and in the presence of a reaction promoter. As a result, the time and... | 11/06/1984 |
| 4474988 | Process for the production of bis-(N,N,-dialkylamino)alkyl ether Bis-(N,N-dialkylamino)alkyl ethers are produced by reacting a (N,N-dialkylamino) alkanol over a heterogeneous solid acid catalyst. The (N,N-dialkylamino) alkanol can optionally be accompanied by an inert carrier. The resulting bis-ethers are useful as cat... | 10/02/1984 |
| 4463107 | Polymer/polyol compositions having improved combustion resistance A stable dispersion of a polymer in a polyol which imparts improved combustion resistance to polyurethane foams prepared therefrom wherein the polymer is a free-radical initiated copolymer containing from about 0.5 to 75 weight percent, based on the copol... | 07/31/1984 |
| 4407983 | Polyoxamate polymer/polyols A new class of polymer/polyols based on the condensation polymerization of an oxalate ester and a diamine directly in a polyether polyol. The resultant polyoxamate/polyols have viscosities ranging from 1,500 to 15,000 cps. These polyoxamate/polyols are us... | 10/04/1983 |