Patents by Inventor Heinz B. Kemper

Heinz B. Kemper 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).

  • Molding materials based on curable unsaturated polyester resins and having a long shelf life
    Patent number: 4829106
    Abstract: Molding materials having a long shelf life consist of an unsaturated polyester resin, monomers, conventional additives and an inhibitor combination comprising a phenol or quinone, a phosphine or an ester of phosphorous acid, and a metal cation in the form of a salt or a complex which is soluble in the polyester resin.
    Type: Grant
    Filed: September 16, 1987
    Date of Patent: May 9, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Jan Holoch, Alfred Guthmann, Hans-Juergen Christoph, Heinz B. Kemper
  • Sealing compounds, the preparation thereof, and use of same
    Patent number: 4778831
    Abstract: The invention relates to a sealing compound which contains unsaturated polyester resins, crosslinking agents, light initiators, and elasticity-modifying agents as well as, optionally, adjuvants, pigments, and/or dyes. The invention also relates to a method for the production of the sealing compound and to its use on or in building structures.
    Type: Grant
    Filed: April 22, 1985
    Date of Patent: October 18, 1988
    Assignee: Kunststoff- & Lackfabrik Kemper
    Inventor: Heinz B. Kemper