Patents by Inventor Ramon Roman

Ramon Roman 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).

  • Styrene ethylene-butylene and ethylene-propylene block copolymer hot melt pressure sensitive adhesives
    Patent number: 5618883
    Abstract: A hot melt pressure sensitive adhesive composition comprising a tackified ethylene-propylene rubber modified with a copolymer of a styrene ethylene-propylene block copolymer and/or a styrene ethylene -butylene block is provided. The pressure sensitive adhesive exhibits high cohesive strength and adhesion to polar and apolar surfaces.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: April 8, 1997
    Assignee: Avery Dennison Corporation
    Inventors: Sebastian S. Plamthottam, Ramon Roman, John Landers, Roger H. Mann, Karl Josephy, Ronald Ugolick