Patents Examined by Theordore E. Pertilla
  • Thermoplastic moulding compositions of the ABS type of improved toughness and processability
    Patent number: 4906688
    Abstract: Thermoplastic moulding compounds containing(A) from 5-90 parts by weight of one or more thermoplastic polymers,(B) from 5-90 parts by weight of one or more graft polymers and(C) from 0.25-40 parts by weight of a linear aliphatic polycarbonate.
    Type: Grant
    Filed: March 6, 1989
    Date of Patent: March 6, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Herbert Fichenauer, Edgar Leitz, Karl-Heinz Ott, Alfred Pischtschan
  • Mats for asphalt underlay
    Patent number: 4359546
    Abstract: A woven or non-woven mat comprising natural or synthetic fibers bonded together with the residue formed by removing water from an aqueous composition comprising a thermoplastic emulsion and a melamine formaldehyde resin forms an underlay for asphalt paving for road surfaces.
    Type: Grant
    Filed: June 18, 1981
    Date of Patent: November 16, 1982
    Assignee: Owens-Corning Fiberglas Corporation
    Inventor: James P. Bershas
  • Polycarbonate compositions having improved barrier properties
    Patent number: 4195157
    Abstract: High molecular weight aromatic polycarbonates, obtained from halogenated diphenols, having improved water vapor transmission and gas barrier properties as well as improved flame retardance.
    Type: Grant
    Filed: February 28, 1978
    Date of Patent: March 25, 1980
    Assignee: General Electric Company
    Inventor: Victor Mark