Patents by Inventor Joseph E. Pfeiffer

Joseph E. Pfeiffer 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: 7381771
    Abstract: Adhesive compositions comprising a thermoplastic elastomer and a block copolymer with rigid vinyl aromatic blocks and non-rigid blocks of dienes and vinyl aromatic monomers.
    Type: Grant
    Filed: January 25, 2001
    Date of Patent: June 3, 2008
    Assignee: Advanced Elastomer Systems, L.P.
    Inventors: Trazollah Ouhadi, Gary K. Lawrence, Joseph E. Pfeiffer
  • Patent number: 6846877
    Abstract: An olefinic thermoplastic vulcanizate is blended with a rubber-modified monovinylidene aromatic monomer, utilizing a flexible block copolymer as compatabilizing agent. The resulting composition demonstrates improved miscibility and bonding characteristics and increased hardness not previously achievable using unmodified thermoplastic vulcanizates.
    Type: Grant
    Filed: December 26, 2002
    Date of Patent: January 25, 2005
    Assignee: Advanced Elastomer Systems, L.P.
    Inventors: Sunny Jacob, Kathleen Perevosnik, Joseph E. Pfeiffer
  • Publication number: 20040127644
    Abstract: An olefinic thermoplastic vulcanizate is blended with a rubber-modified monovinylidene aromatic monomer, utilizing a flexible block copolymer as compatabilizing agent. The resulting composition demonstrates improved miscibility and bonding characteristics and increased hardness not previously achievable using unmodified thermoplastic vulcanizates.
    Type: Application
    Filed: December 26, 2002
    Publication date: July 1, 2004
    Inventors: Sunny Jacob, Kathleen Perevosnik, Joseph E. Pfeiffer