Patents Assigned to SOHIO
  • Tie layer for co-extruded acrylonitrile copolymers
    Patent number: 4359506
    Abstract: A synthetic resin laminated structure is produced by bonding together in a molten state a layer of a (I) nitrile barrier resin, (II) a layer of a polymer mixture comprising a nitrile barrier resin and a halogenated polyolefin, and (III) a layer of a thermoplastic resin. The thermoplastic resins useful in this invention include polyolefins such as polyethylene and polypropylene, polyvinylchlorides, styrene containing polymers such as ABS, SAN and polystyrene, polycarbonates, polyurethanes, polysulfones, polyamides and nitrile barrier resins.
    Type: Grant
    Filed: December 17, 1980
    Date of Patent: November 16, 1982
    Assignee: Sohio
    Inventors: Wayne T. Wiggins, Frank S. Gerry
  • Physical property improvement in nitrile resins by use of certain processing aids and fillers
    Patent number: 4355127
    Abstract: Physical properties particularly including tensile modulus and heat-distortion temperature of high nitrile copolymer resins are improved by including therein a processing aid, such as tetra chloro phthalic anhydride, and a filler material, such as clay.
    Type: Grant
    Filed: April 30, 1981
    Date of Patent: October 19, 1982
    Assignee: SOHIO
    Inventor: Ralph E. Isley
  • Rubber-modified high nitrile copolymers with improved impact resistance
    Patent number: 4351756
    Abstract: The inclusion of a small amount of an ester-type plasticizer in the rubber polymerization recipe in the production of rubber-modified high nitrile copolymer resins produces resins having markedly improved impact resistance at both low and high temperatures.
    Type: Grant
    Filed: June 2, 1980
    Date of Patent: September 28, 1982
    Assignee: SOHIO
    Inventors: Dorothy C. Prem, June T. Duke, Ralph E. Isley
  • Catalytic material
    Patent number: 4349462
    Abstract: A fixed-bed catalytic material comprises iron impregnated Alundum carrying a coating of copper oxide on its outside surfaces. By means of the coating, the growth of carbon fibers as a result of the disproportionation of carbon monoxide is restricted to the interior surfaces of the catalyst particles.
    Type: Grant
    Filed: December 24, 1980
    Date of Patent: September 14, 1982
    Assignee: SOHIO
    Inventors: Louis J. Velenyi, Serge R. Dolhyj
  • High nitrile resins containing maleic anhydride
    Patent number: 4349652
    Abstract: Polymeric compositions having high softening temperatures, good gas barrier properties and low creep properties are composed of an olefinically unsaturated nitrile, another monovinyl component and maleic anhydride and optionally a diene monomer.
    Type: Grant
    Filed: February 6, 1981
    Date of Patent: September 14, 1982
    Assignee: Sohio
    Inventors: George S. Li, John F. Jones
  • Tie-layer for coextruded acrylonitrile copolymers
    Patent number: 4339502
    Abstract: This invention relates to a blend of a vinyl aromatic-diene block copolymer rubber and a nitrile barrier resin, and to the use of this mixture as a tie-layer to adhere a nitrile barrier resin to a thermoplastic resin.
    Type: Grant
    Filed: December 24, 1980
    Date of Patent: July 13, 1982
    Assignee: SOHIO
    Inventors: Frank S. Gerry, Wayne T. Wiggins
  • Preparation of unsaturated acids and esters from saturated carboxylic acid derivatives and carbonyl compounds over catalysts containing V and Sb
    Patent number: 4339598
    Abstract: Vanadium-antimony catalysts have been found to be effective for the vapor phase condensation of saturated monocarboxylic acids or esters with formaldehyde, to produce unsaturated carboxylic acids or esters.
    Type: Grant
    Filed: December 31, 1980
    Date of Patent: July 13, 1982
    Assignee: SOHIO
    Inventors: Andrew T. Guttmann, Robert K. Grasselli