Patents Examined by Sid Kalachandra
  • Polyolefins containing polyol nucleating agents and articles formed therefrom
    Patent number: 5216051
    Abstract: The invention relates to novel tri-acetal polyol compounds and to a crystalline polyolefin composition having dispersed therein a nucleating agent composed of one or more of said polyol acetals.
    Type: Grant
    Filed: October 28, 1991
    Date of Patent: June 1, 1993
    Assignee: Allied-Signal Inc.
    Inventors: Tammy L. Smith, Julie R. Schollmeyer, Yash P. Khanna, Kristina A. Miller, Divarakaran Masilamani
  • Fire retardant curable 1-oxa-3-aza tetraline (also termed "3,4-dihydro-1,3-benzoxazine") derived resin composition
    Patent number: 5200452
    Abstract: Difficultly inflammable polymeric resins are obtained by curing resin mixtures comprising(a) a resin component comprising at least one thermically curable 1-oxa-3-aza tetraline groups containing compound; and(b) an organic metal or semimetal compound, or a carbon monoxide complex compound, of an element of the 6th, 7th or 8th auxiliary group of the periodic system or of copper, antimony or bismuth.
    Type: Grant
    Filed: November 18, 1991
    Date of Patent: April 6, 1993
    Assignee: Gurit-Essex AG
    Inventor: Herbert Schreiber
  • Glass size compositions, coated glass fibers and reinforced thermoplastics
    Patent number: 5196467
    Abstract: Aqueous size compositions for glass fibers including melamine formaldehyde resins, phenoxy resins and epoxy coupling agents which are particularly suitable glass fiber reinforcements for thermoplastics. In particular, chopped glass fibers coated with the size are useful in reinforcing acetal composites.
    Type: Grant
    Filed: December 19, 1991
    Date of Patent: March 23, 1993
    Assignee: Owens-Corning Fiberglas Corporation
    Inventor: David W. Garrett