Patents by Inventor Heinz Lucke

Heinz Lucke 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).

  • Single component polyurethane-modified bitumen compositions
    Patent number: 4871792
    Abstract: A liquid, solvent-free or low solvent hardenable polyurethane-modified bitumen composition is described, which is based on a bitumen modified with a polyurethane prepolymer. The compatability between bitumen and polyurethane prepolymer is achieved by a plasticizer system comprising a primary and a secondary plasticizer. The inventive composition is particularly suitable as an adhesive, sealant, foam material or coating compound.
    Type: Grant
    Filed: September 12, 1988
    Date of Patent: October 3, 1989
    Assignee: Teroson GmbH
    Inventor: Heinz Lucke
  • Single component polyurethane-modified bitumen compositions
    Patent number: 4795760
    Abstract: A liquid, solvent-free or low-solvent hardenable polyurethane-modified bitumen composition is described, which is based on a bitumen modified with a polyurethane prepolymer. The compatibility between bitumen and polyurethane prepolymer is achieved by a plasticizer system comprising a primary and a secondary plasticizer. The inventive composition is particularly suitable as an adhesive, sealant, foam material or coating compound.
    Type: Grant
    Filed: December 17, 1987
    Date of Patent: January 3, 1989
    Assignee: Teroson GmbH
    Inventor: Heinz Lucke