Patents Assigned to H.B. Fuller Fuller Licensing & Financing Inc.
  • Thermally stable hot melt moisture-cure polyurethane adhesive composition
    Patent number: 5441808
    Abstract: Hot melt adhesive compositions combining the characteristics of thermoplastic hot melt adhesives and reactive adhesives can be prepared by blending a polyester polyether thermoplastic elastomer having the formula ##STR1## wherein Nu is a predominately cyclic nucleus and R.sub.1 is randomly selected from either a C.sub.2-6 alkylene or an amorphous polyether subunit comprising a polyoxyalkylene group with a polyisocyanate prepolymer. The resulting composition is flexible and may be used as an adhesive or as a sealant.
    Type: Grant
    Filed: August 23, 1994
    Date of Patent: August 15, 1995
    Assignee: H.B. Fuller Fuller Licensing & Financing Inc.
    Inventors: Gregory J. Anderson, John M. Zimmel