Patents by Inventor Gary F. Raykovitz

Gary F. Raykovitz 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).

  • Oil resistant polyamide based adhesive
    Patent number: 5948709
    Abstract: Oil resistant adhesive compositions and nonwoven articles comprising an adhesive prepared from polymeric dimer fatty acid polyamide resins which are especially suited for use in the elastic attachment of disposable nonwoven products and particularly for leg or waist bond closures for disposable products such as diapers are disclosed.
    Type: Grant
    Filed: April 10, 1998
    Date of Patent: September 7, 1999
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Charles W. Paul, Gary F. Raykovitz
  • Hot melt adhesive compositions
    Patent number: 5804519
    Abstract: A method for improving the strike through properties of hot melt adhesive compositions comprising the step of incorporating therein a nonionic fluorchemical surfactant in an amount of 0.1 to 10 parts by weight per 100 parts adhesive.
    Type: Grant
    Filed: November 5, 1997
    Date of Patent: September 8, 1998
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Martin Riswick, Gary F. Raykovitz
  • Disposable absorbent product
    Patent number: 5591154
    Abstract: This invention discloses that styrene-butadiene-styrene block copolymers containing 30 to 50% by weight styrene and additionally having been polymerized in such a manner as to obtain a vinyl content of greater than about 35% may be used in adhesives to achieve desirable low viscosity of 1000 to 3500 cps at 160.degree. C.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: January 7, 1997
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Karen Dare, Martin Riswick, Gary F. Raykovitz, Charles W. Paul
  • Hot melt pressure sensitive positioning adhesives
    Patent number: 4704110
    Abstract: An absorbent article comprising an elongated absorbant pad having a body facing surface and a garment facing surface, a portion of the garment facing surface being coated with a hot melt pressure sensitive adhesive composition comprising a styrene-butadiene-styrene block or multi-block copolymer containing 35 to 55 parts styrene per 100 parts copolymer, a tackifying resin, a naphthenic or paraffinic oil, and an antioxidant.
    Type: Grant
    Filed: June 20, 1986
    Date of Patent: November 3, 1987
    Assignee: National Starch and Chemical Corporation
    Inventors: Gary F. Raykovitz, Catherine Salerno