Patents by Inventor Robert M. Walrath

Robert M. Walrath 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).

  • Pigmented, weatherable molding compositions
    Patent number: 6767950
    Abstract: Pigmented molding compositions having good weatherability for sheet and bulk molded articles are made by mixing a resin component comprising an unsaturated polyester, a monomer which will react with the polyester and a non-aromatic, thermoplastic polymer; an ultraviolet light absorbing material and/or a hindered amine light stabilizing material; a pigment; and a reinforcing agent.
    Type: Grant
    Filed: February 6, 2001
    Date of Patent: July 27, 2004
    Assignee: AOC, L.L.C.
    Inventors: Thomas Steinhäusler, Robert M. Walrath, John J. Young, Thomas J. Folda, Mark S. Harber
  • Pigmented, weatherable molding compositions
    Publication number: 20020151630
    Abstract: Pigmented molding compositions having good weatherability for sheet and bulk molded articles are made by mixing a resin component comprising an unsaturated polyester, a monomer which will react with the polyester and a non-aromatic, thermoplastic polymer; an ultraviolet light absorbing material and/or a hindered amine light stabilizing material; a pigment; and a reinforcing agent.
    Type: Application
    Filed: February 6, 2001
    Publication date: October 17, 2002
    Inventors: Thomas Steinhausler, Robert M. Walrath, John J. Young, Thomas J. Folda, Mark S. Harber