Patents Assigned to Plastics Technology Corporation
  • Micro composite systems and processes for making same
    Patent number: 5171772
    Abstract: A coating of hydrophobic polymer is prepared by contacting a substrate with an aqueous media containing amphiphilic polymer and polymerizing polymerizable component to provide the hydrophobic polymer coating. The processes can be used to make stable dispersions of particles, such as pigments, for paint compositions.
    Type: Grant
    Filed: March 6, 1989
    Date of Patent: December 15, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Kenneth L. Hoy, Charles W. Glancy, Jeffrey M. O. Lewis
  • Apparatus and methods for application of coatings with supercritical fluids as diluents by spraying from an orifice
    Patent number: 5171613
    Abstract: This invention is directed to improved spraying apparatus for coating substrates with a coating material and supercritical fluid which apparatus is provided with various features, either alone or in combination, to prevent undesirable premature cooling of the coating mixture which might detrimentally affect the final coating on the substrate; to prevent undesirable depressurization of supercritical fluid contained in the coating mixture which remains in the spray gun after spraying has been stopped; and/or to desirably provide the ability to mix the components of the coating mixture directly in the spray gun. Methods for utilizing these features in the spraying apparatus of the present invention are also disclosed.
    Type: Grant
    Filed: September 21, 1990
    Date of Patent: December 15, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Hendrik F. Bok, Charles W. Glancy, Kenneth L. Hoy, Chinsoo Lee, Kenneth A. Nielsen
  • Phosphorylated reaction products and compositions incorporating such products
    Patent number: 5171784
    Abstract: Novel phosphorylated compositions of a vinyl chloride copolymer or terpolymer, a phenoxy resin, a hydroxyalkyl acrylate or methacrylatelactone adduct or a reaction product of a normally solid pendant-hydroxyl-containing thermoplastic polymer having at least 8 hydroxyl groups per molecular chain and an adduct which is the product of either a hydroxylalkyl acrylate or methacrylate or a lactone-acrylate adduct and an organic diisocyanate having improved dispersion characteristics suitable for use in applications such as magnetic recording media.
    Type: Grant
    Filed: January 17, 1992
    Date of Patent: December 15, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Ismael Colon, Charles B. Mallon, Robert N. Johnson
  • Synthesis of alpha-substituted alkadienes
    Patent number: 5169981
    Abstract: Organic polymer additive containing polar functional groups enhances the stability of palladium-containing catalysts for the telomerization of conjugated diolefins in the presence of active hydrogen-containing telomerization agent to produce alpha-substituted alkadienes.
    Type: Grant
    Filed: December 6, 1991
    Date of Patent: December 8, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventor: Diane L. Packett
  • Process for cold forming propylene copolymers
    Patent number: 5166268
    Abstract: A process for the solid phase forming of an impact polypropylene copolymer comprising (a) providing an impact polypropylene copolymer comprising (i) a matrix, which is either a homopolymer of propylene or a copolymer of propylene and up to about 5 percent by weight of at least one other alpha-olefin based on the weight of the copolymer, and, incorporated into said matrix, (ii) a copolymer of ethylene and at least one other alpha-olefin, said copolymer having a crystallinity of at least about 20 percent and being present in the impact copolymer in an amount of at least about 10 percent by weight based on the total weight of the impact copolymer; and (b) forming the impact polypropylene copolymer at a temperature above the melting point of component (ii) but below the melting point of component (i).
    Type: Grant
    Filed: April 12, 1990
    Date of Patent: November 24, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventor: Harold K. Ficker
  • Polyester compositions
    Patent number: 5166291
    Abstract: Unsaturated polyester fiber reinforced molding compounds containing low profile additives achieve moldings with improved shrinkage control, improved surface appearance, less separation and lower coefficient of thermal expansion by the addition of lactams.
    Type: Grant
    Filed: January 27, 1992
    Date of Patent: November 24, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Kenneth E. Atkins, Gary C. Rex
  • Selective production of diethylenetriamine and aminoethylethanolamine
    Patent number: 5166415
    Abstract: This invention relates to a process for making amines having a high yield weight percent of diethylenetriamine (DETA) and aminoethylethanolamine (AEEA) by condensing an amino compound in the presence of a condensation catalyst selected from a Group IVB metal oxide, a Group VIB metal-containing substance and a promoted condensation catalyst. This invention also relates to an alkyleneamines producers composition rich in DETA and AEEA.
    Type: Grant
    Filed: March 30, 1990
    Date of Patent: November 24, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Arthur R. Doumaux, Jr., Stephen W. King, Lloyd M. Burgess
  • Method for the removal of siloxane dissolved in the solvent employed in the preparation of trimethoxysilane via methanol-silicon metal reaction
    Patent number: 5166384
    Abstract: In a trimethoxysilane preparation from silicon metal and methanol which preparation uses a solvent, a method for removing a siloxane dissolved in the solvent, which method comprises contacting the solvent with a boron-oxygen compound, and optionally an alkali metal alkoxide such as sodium methoxide.
    Type: Grant
    Filed: April 7, 1992
    Date of Patent: November 24, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Donald L. Bailey, Thomas E. Childress, Robert L. Ocheltree, James S. Ritscher
  • Polyorganosiloxane cross-linkers for RTV sealants
    Patent number: 5166243
    Abstract: Novel polyorganosiloxane cross-linkers for incorporation into conventional room temperature vulcanizable (RTV) sealant formulations, and the RTV sealants into which these cross-linkers are compounded, are disclosed.
    Type: Grant
    Filed: September 27, 1989
    Date of Patent: November 24, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventor: Robert S. Neale
  • Decarboxylation processes using mixed metal oxide catalysts
    Patent number: 5164497
    Abstract: A decarboxylation process which comprises contacting a carboxylated compound with a metal oxide catalyst under conditions effective to decarboxylate the carboxylated compound.
    Type: Grant
    Filed: September 20, 1990
    Date of Patent: November 17, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Stephen W. King, Kurt D. Olson, Bernard C. Ream
  • Method for producing sticky polymers
    Patent number: 5162463
    Abstract: A method for preventing agglomeration of sticky polymers in a fluidized bed which comprises adding to said fluidized bed and 0.3 to about 80 weight percent based on the weight of the final product of an inert particulate material having a PDMS surface coating thereon.
    Type: Grant
    Filed: December 10, 1990
    Date of Patent: November 10, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Edgar C. Baker, George N. Foster, Seung J. Rhee
  • Acetic acid from ethane, ethylene and oxygen
    Patent number: 5162578
    Abstract: A process for the higher selective production of acetic acid by the catalytic oxidation with oxygen of ethane, or ethylene, or mixtures thereof, in contact with a mixed catalyst composition containing (A) a calcined mixed oxides catalyst of the formula:Mo.sub.x V.sub.y Z.sub.zwherein Z represents nothing or a metal from a group of metals as hereinafter defined and (B) is an ethylene hydration catalyst and/or an ethylene oxidation catalyst.
    Type: Grant
    Filed: June 12, 1987
    Date of Patent: November 10, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: James H. McCain, Jr., Steven W. Kaiser, George L. O'Connor
  • Self-curing ceramicizable polysiloxanes
    Patent number: 5162480
    Abstract: Polysiloxanes containing both alkylhydrosiloxane units and alkylvinylsiloxane units which polysiloxanes are siloxy-endblocked that are useful as starting materials in the preparation of silicon oxycarbide ceramic compositions, a process for their preparation, a process for preparing silicon oxycarbide ceramic compositions therefrom, and novel silicon oxycarbide ceramic compositions are described.
    Type: Grant
    Filed: December 14, 1990
    Date of Patent: November 10, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Curtis L. Schilling, Jr., Thomas C. Williams
  • Use of methylene-bridged derivatives of cyclopentadienyl dicarbollide complexes of titanium, zirconium and hafnium as polymerization catalysts
    Patent number: 5162466
    Abstract: Methylene bridged derivatives of novel cyclopentadienyl dicarbollide complexes of titanium, zirconium and hafnium display high activity as ethylene polymerization catalysts in the absence of a cocatalyst.
    Type: Grant
    Filed: December 31, 1991
    Date of Patent: November 10, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Frederick J. Karol, Sun-Chueh Kao, Robert C. Brady, III
  • Mixed metal oxide catalytic process for the preparation of triethylenediamines
    Patent number: 5162531
    Abstract: A process for preparing bridged nitrogen-containing compounds which comprises contacting a cyclic nitrogen-containing compound reactant with a mixed metal oxide catalyst under conditions effective to produce the bridged nitrogen-containing compound.
    Type: Grant
    Filed: September 20, 1990
    Date of Patent: November 10, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventor: Stephen W. King
  • Silicone textile finishes
    Patent number: 5158575
    Abstract: A durable hydrophilic silicone textile finish is produced on cellulose-containing textiles to impart durable hydrophilic softness and durable press properties to the textile. The silicone finish is produced from an aqueous solution of glyoxal, a reactive organomodified silicone copolymer, a glycol and an acidic catalyst. The treating composition is applied to the textile and cured by heating at an elevated temperature to bond the silicone to the cellulose.
    Type: Grant
    Filed: March 16, 1992
    Date of Patent: October 27, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventor: Anna M. Czech
  • Process for the preparation of siloxane-oxyalkylene copolymers
    Patent number: 5159096
    Abstract: The invention provides an improved solventless hydrosilation process for preparing a siloxane-oxyalkylene copolymers, the improvement comprising conducting the reaction in the presence of at least one sodium metal phosphate.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: October 27, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Paul E. Austin, Harold D. Furbee, Anne K. McMullen
  • Method of coating with a water borne composition
    Patent number: 5158808
    Abstract: Water borne high solids coating compositions are made by blending a water-dispersible, crosslinkable organic polymer free of amide groups, water, at least one reactive urea derivative, a crosslinking agent and optionally a crosslinking catalyst. Optionally a mixture of reactive urea and carbamate derivatives can be used.The resultant water borne high solids coating compositions can be either solutions or dispersions depending upon the particular polymer and reactive urea or carbamate chosen as the reactive cosolvent or reactive diluent.
    Type: Grant
    Filed: May 16, 1991
    Date of Patent: October 27, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Kenneth L. Hoy, Forrest A. Richey, Jr.
  • Method for extruding ethylene polymers
    Patent number: 5156790
    Abstract: An improvement in the method for extruding ethylene polymers which are extruded through an extruder apparatus including an extruder screw having a screw root and a series of flights having a leading edge and a trailing edge. The extruder apparatus also has an inlet end and a discharge end and wherein the pitch ratio divided by the depth ratio is greater than 2/3. The improvement provides a metallic coating selected from the group such as nickel coating or a matte chrome finish on the screw root and the leading and trailing edges of the flights, the coating being present in an amount sufficient to increase the output of the extruder screw.
    Type: Grant
    Filed: July 25, 1991
    Date of Patent: October 20, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Joseph G. Cucchisi, John C. Miller
  • Polymer impurity deactivators
    Patent number: 5155145
    Abstract: A polymer impurity deactivator comprising a metal hydroxide, a hydrotalcite, or another metal oxide compound, or mixtures thereof, each of which compounds or mixtures(i) contain at least one zinc, magnesium, or aluminum cation; and(ii) have been surface treated, or mixed, with a hydrocarbon based or siloxane based amphiphatic compound, each amphipathic compound having one or more polar groups incorporated into its molecular structure to provide a polar group frequency factor of at least about 0.01.
    Type: Grant
    Filed: December 11, 1990
    Date of Patent: October 13, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: George N. Foster, Walter T. Reichle