Patents by Inventor Robert R . Gentry

Robert R . Gentry has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5004765
    Abstract: A molding additive composition comprising a mixture of low profile additive and a surfactant additive containing a silicon-oxyalkylene copolymer flow control agent and surface modifying agent; and a molding composition comprising a polyester molding resin, a low profile additive, a silicon-oxyalkylene copolymer flow control agent and surface modifying agent and a crosslinking monomer. In another embodiment, the invention embraces a molding composition comprising a polyester molding resin, a crosslinking monomer, a low profile additive, a reinforcing fiber, and a silicon-oxyalkylene copolymer flow control agent and surface modifying agent.
    Type: Grant
    Filed: November 6, 1989
    Date of Patent: April 2, 1991
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Kenneth E. Atkins, Robert R. Gentry, Raymond C. Gandy
  • Patent number: 4525498
    Abstract: Polyester fiber reinforced molding compounds containing low profile additives afford moldings with improved surface appearance by the addition of epoxy compounds essentially free of reactive unsaturation.
    Type: Grant
    Filed: January 12, 1984
    Date of Patent: June 25, 1985
    Assignee: Union Carbide Corporation
    Inventors: Kenneth E. Atkins, Robert R . Gentry