Patents Examined by David W. Woodwon
  • Reactive hot melt structural adhesive
    Patent number: 4962138
    Abstract: Novel reactive hot melt structural adhesives comprising urethane oligomer and epoxy mixture in specified ratios. The compositions offer very high shear, peel, and impact strengths, properties of particular value in bonding adherends in an auto body assembly line.
    Type: Grant
    Filed: May 27, 1988
    Date of Patent: October 9, 1990
    Assignee: W. R. Grace & Co.-Conn.
    Inventor: Michael E. Kimball