Patents by Inventor Gerald F. Schumacher

Gerald F. Schumacher 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).

  • Curable composition having high tack and green strength
    Patent number: 4740424
    Abstract: Curable compositions useful as adhesives, coatings and sealants, comprising a mixture of (a) isocyanate-functional prepolymer derived from (i) polyisocyanate and (ii) active hydrogen-containing low molecular weight polymer selected from the group consisting of polytetramethylene oxide polyols, polycarbonate polyols, and polysulfide polythiols, and (b) halogenated resin compatible with said prepolymer, said resin containing about 50 to about 70 weight percent halogen.
    Type: Grant
    Filed: May 27, 1986
    Date of Patent: April 26, 1988
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Gerald F. Schumacher, John M. Muggee
  • One-part moisture-curable polyurethane adhesive, coating, and sealant compositions
    Patent number: 4511626
    Abstract: Adhesive, coating, or sealant compositions containing prepolymer(s) derived from MDI (or derivative(s) thereof) and polyol(s) containing primary hydroxyl groups, together with bis[2-N,N-dialkylamino)alkyl]ether(s).
    Type: Grant
    Filed: September 9, 1982
    Date of Patent: April 16, 1985
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Gerald F. Schumacher