Patents Assigned to Union Carbide Chemicals and Plastics Company Inc.
  • Patent number: 4954665
    Abstract: Process for production of ethanol at high efficiency, selectivity and conversion rate by the homologation reaction of methanol and carbon monoxide and hydrogen using a catalyst system containing alkali metal atom, cobalt atom, iodine atom and, optionally, ruthenium atom and an organic tertiary amino compound.
    Type: Grant
    Filed: August 27, 1986
    Date of Patent: September 4, 1990
    Assignee: Union Carbide Chemicals and Plastics Company Inc.
    Inventor: Jose' L. Vidal
  • Patent number: 4954553
    Abstract: Waterborne, neutralized, carboxyl-bearing phenoxy resin with which is blended a relatively soft, neutral, non-carboxyl-bearing modifier resin. A coalescing solvent is preferably included in the aqueous blend.
    Type: Grant
    Filed: September 30, 1988
    Date of Patent: September 4, 1990
    Assignee: Union Carbide Chemicals and Plastics Company Inc.
    Inventors: Robert N. Johnson, Ismael Colon
  • Patent number: 4952428
    Abstract: A composition useful in the manufacture of cable comprising:(i) a crosslinkable thermoplastic polymer;(ii) a metal hydrate flame retardant compound; and(iii) an organic peroxide crosslinking compound, which decomposes at a temperature of at least about 140.degree. C., but below the decomposition temperature of the polymer.
    Type: Grant
    Filed: December 7, 1988
    Date of Patent: August 28, 1990
    Assignee: Union Carbide Chemicals and Plastics Company Inc.
    Inventor: Michael J. Keogh
  • Patent number: 4952542
    Abstract: Cyclic alkylene carbonates are produced by the homogeneous catalytic reaction of alkylene oxides with carbon dioxide during which process, polyglycols are formed. The catalyst is separated by distillation from the alkylene carbonate and is recycled to the reaction while associated with polyglycols. A purge stream is removed from the recycle to prevent an undue concentration of polyglycols in the reaction and catalyst is separated from the purge stream by acylation of the polyglycols enabling precipitation of the catalyst.
    Type: Grant
    Filed: August 4, 1989
    Date of Patent: August 28, 1990
    Assignee: Union Carbide Chemicals and Plastics Company Inc.
    Inventor: Bernard C. Ream
  • Patent number: 4952745
    Abstract: Improved operation of the ACR process is achieved by regulating the reactions within a small area in the combustion feedstock mixing zone, "Scorch Zone", by the addition of steam or other fluid such as ethane at the point of feed injection.
    Type: Grant
    Filed: May 4, 1988
    Date of Patent: August 28, 1990
    Assignee: Union Carbide Chemicals and Plastics Company Inc.
    Inventors: Cyril Tellis, Saburo Hori, David Milks
  • Patent number: 4950694
    Abstract: A process for making low density and optionally low resilience, soft, flexible polyurethane slabstock foam having a substantially open cell structure without crushing, without requiring auxiliary inert blowing agents, by reacting under a condition which permits the foam to rise freely, a conventional hydroxyl-containing polyether polyol with a polyisocyanate at an isocyanate index of between about 60 and 95 in the presence of a foam processing aid comprising a low equivalent weight crosslinking agent and/or extending agent and, as needed, a cell opening agent.
    Type: Grant
    Filed: June 29, 1989
    Date of Patent: August 21, 1990
    Assignee: Union Carbide Chemicals and Plastics Company Inc.
    Inventor: Stanley L. Hager
  • Patent number: 4948543
    Abstract: A process for substantially eliminating surface melt fracture during extrusion of a thermoplastic polymer such as a molten narrow molecular weight distribution, linear, ethylene copolymer, by using a die having a die land region defining opposing surfaces at least one of which is coated with a composition containing about 80% to 99% nickel and about 1% to 20% phosphorous.
    Type: Grant
    Filed: June 15, 1989
    Date of Patent: August 14, 1990
    Assignee: Union Carbide Chemicals and Plastics Company, Inc.
    Inventors: Joseph Z. Pawlowski, Arakalgud V. Ramamurthy
  • Patent number: 4948771
    Abstract: A catalyst composition comprising:(i) a complex comprised of V.sub.2 X.sub.3 (ED).sub.m and AlCl.sub.2 R.sub.2 whereinX=Cl, Br, or I, or mixtures thereofED=an electron donor, which is an ether, a phosphine, a ketone, an isocyanide, or an ester, said electron donor having 2 to 20 carbon atomsR=an alkyl having up to 14 carbon atomsm=an integer from 3 to 6,said complex impregnated into an inorganic oxide support;(ii) sufficient trialkylaluminum compound adsorbed on the inorganic oxide support to provide a molar ratio of adsorbed trialkylaluminum compound to vanadium of about 2.5:1 to about 10:1;(iii) a halocarbon promoter; and(iv) a hydrocarbyl aluminum cocatalyst.
    Type: Grant
    Filed: December 7, 1988
    Date of Patent: August 14, 1990
    Assignee: Union Carbide Chemicals and Plastics Company Inc.
    Inventor: Francis G. Stakem
  • Patent number: 4948915
    Abstract: The reaction of a monohydroxyl or dihydroxyl alcohol with an alpha, beta-unsaturated ester in contact with a strongly basic anionic exchange resin in the hydroxyl or alkoxide form is unexpectedly and unpredictably enhanced by proper control of the water content in the reaction mixture and the temperature at which the reaction is carried out.
    Type: Grant
    Filed: July 22, 1986
    Date of Patent: August 14, 1990
    Assignee: Union Carbide Chemicals and Plastics Company Inc.
    Inventor: Brian T. Keen
  • Patent number: 4946870
    Abstract: Delivery systems containing at least one aminopolysaccharide derivative are provided for the delivery of pharmaceutical or therapeutic actives to a desired topical or mucous membrane site in a subject, and wherein upon delivery, the systems provides a biocompatible, substantive, gas permeable, film from which actives are available at the designated site.
    Type: Grant
    Filed: November 8, 1988
    Date of Patent: August 7, 1990
    Assignee: Union Carbide Chemicals and Plastics Company Inc.
    Inventors: Emmett M. Partain, III., George L. Brode, II.
  • Patent number: 4946363
    Abstract: Vents for molds can be improved if, in place of a single relatively large vent opening, there is used a vent which has a plurality of relatively smaller vent openings in which the cumulative cross-sectional area of the relatively smaller vent openings are approximately the same as that of the relatively larger vent opening it replaces. It was also found that the vents have a more efficient self-cleaning capability if the ratio of the depth of each vent opening to the cross-sectional diameter of the vent opening is about 1 or less.
    Type: Grant
    Filed: July 20, 1988
    Date of Patent: August 7, 1990
    Assignee: Union Carbide Chemicals and Plastics Company Inc.
    Inventor: Keith D. Cavender
  • Patent number: 4946984
    Abstract: This invention relates to the use of calcium sulfate as a catalyst in the preparation of alkoxylation products, i.e., condensation reaction products of alkylene oxides and organic compounds having at least one active hydrogen, that have beneficial, narrow molecular weight ranges.
    Type: Grant
    Filed: September 30, 1988
    Date of Patent: August 7, 1990
    Assignee: Union Carbide Chemicals and Plastics Company Inc.
    Inventor: Charles F. Hauser
  • Patent number: 4946824
    Abstract: Capped connected branch copolymers are provided comprising a core segment, branched polymer segments attached to the core segment, linear polymer segments attached to the terminals of the branched polymer segments, and cap segments, which comprise residues of an alkylene oxide containing at least 4 carbon atoms and which are attached to the free terminals of the linear polymer segments. These capped copolymers are less water-soluble than the uncapped connected branched copolymers from which they are derived, and are useful in carbonless copying systems as carriers for the color precursor microcapsules. The microcapsules can be applied to the carbonless copying sheet by dispersing the microcapsules in the capped copolymer, heating the copolymer above its transition temperature and spreading the melted copolymer over the sheet. After cooling, the copolymer forms a coherent layer on the sheet.
    Type: Grant
    Filed: May 24, 1989
    Date of Patent: August 7, 1990
    Assignee: Union Carbide Chemicals and Plastics Company Inc.
    Inventors: Debra J. Meschke, Kenneth L. Hoy
  • Patent number: 4945185
    Abstract: A hydrocarbonylation process for producing an aldehyde or a mixture of a ketone and an aldehyde which comprises:(I) forming a reaction mixture comprising:(a) a catalytic amount of a complex catalyst consisting essentially of rhodium in complex combination with:(i) a triorganophosphine, and(ii) a carboxylic acid having a phenyl group substituted at the para position with a non-reactive electron-withdrawing group, said phenyl group being free of further substitution and said electron withdrawing group being substantially non-reactive in said process;(b) an alpha-olefin having 2 to 5 carbon atoms,(c) carbon monixide, and(d) hydrogenwith the proviso that the reaction mixture has mole ratio of said carbxoylic acid to rhodium of at least about 2; and(II) maintaining the reaction mixture at a temperature and pressure at which said (b), (c) and (d) react to form an aldehyde or a mixture of an aldehyde and a ketone.
    Type: Grant
    Filed: December 5, 1989
    Date of Patent: July 31, 1990
    Assignee: Union Carbide Chemicals and Plastics Company Inc.
    Inventors: Anthony J. Papa, David R. Bryant
  • Patent number: 4943551
    Abstract: Catalyst composition for the production of methanol and higher saturated aliphatic alcohols from synthesis gas. The catalysts consist essentially of:(i) about 0.18 to about 0.81 mol fraction of copper;(ii) about 0.045 to about 0.54 mol fraction of thorium;(iii) up to about 0.54 mol fraction of zirconium; and(iv) about 0.01 to about 0.2 mol fraction of an alkali metal.
    Type: Grant
    Filed: November 8, 1985
    Date of Patent: July 24, 1990
    Assignee: Union Carbide Chemicals and Plastics Company, Inc.
    Inventor: Bernard D. Dombek
  • Patent number: 4942069
    Abstract: A composition useful in the manufacture of cable comprising:(i) a thermpolastic polymer;(ii) a metal hydrate flame retardant compound; and(iii) a blowing agent, which decomposes at a temperature in the range of about 160.degree. C. to the decomposition temperature of the thermpolastic polymer.
    Type: Grant
    Filed: December 7, 1988
    Date of Patent: July 17, 1990
    Assignee: Union Carbide Chemicals and Plastics Company, Inc.
    Inventor: Michael J. Keogh
  • Patent number: 4942147
    Abstract: In a transition metal catalyst system, the improvement comprising including in the catalyst system an autoacceleration inhibitor, which (i) at about the temperature at which the catalyst system autoaccelerates, decomposes into a poison for the catalyst system; (ii) is present in the catalyst system in an amount sufficient to provide the quantity of poison required to inhibit the autoacceleration of the catalyst system at the autoacceleration temperature; and (iii) is either essentially inert at the normal operating temperature of the catalyst system or will cause substantially less inhibition of the catalyst system at the normal operating temperature than at the autoacceleration temperature.
    Type: Grant
    Filed: May 8, 1989
    Date of Patent: July 17, 1990
    Assignee: Union Carbide Chemicals and Plastics Company, Inc.
    Inventors: Frederick J. Karol, Kao Sun-Chueh, James S. Drage
  • Patent number: 4941893
    Abstract: A method is disclosed for separating gaseous silicon compounds from hydrogen and/or hydracids. Specifically, the method comprises the utilization of semi-permeable membranes for such gaseous separation. Particularly preferred is a composite membrane comprised of a coating separation layer of sulfonated polysulfone and a support layer of polysulfone. Mixtures of hydrogen and silane are particularly suitable for being separated by means of composite membrane separation.
    Type: Grant
    Filed: September 19, 1989
    Date of Patent: July 17, 1990
    Assignee: Union Carbide Chemicals and Plastics Company, Inc.
    Inventors: Shan-Tao Hsieh, George E. Keller, II
  • Patent number: 4938951
    Abstract: Topical, particularly light selective, compositions and methods using evaporative solvent, and a 0.5:1 to 20:1 ratio of film-forming polymer to topically active agent provide a microdispersion of agent in a polymer film exhibiting enhanced topical activity.
    Type: Grant
    Filed: December 9, 1985
    Date of Patent: July 3, 1990
    Assignee: Union Carbide Chemicals and Plastics Company Inc.
    Inventors: Pak S. Leung, Errol D. Goddard
  • Patent number: 4935262
    Abstract: A method of making a cable article which comprises a conductor that is at least partially insulated by a flexible composition, said method comprising forming a homogeneous, interdispersed polymer insulation composition by combining low density polyethylene polymer with a polychloroprene polymer and at least an amount of fibrous polytetrafluoroethylene that is effective to form an interdispersion of polymers and thereafter coating a conductor with said insulating composition.
    Type: Grant
    Filed: February 2, 1989
    Date of Patent: June 19, 1990
    Assignee: Union Carbide Chemicals and Plastics Company Inc.
    Inventors: Edward V. Wilkus, Alexander F. Wu