Patents by Inventor Monika Heithorn

Monika Heithorn 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).

  • Process for the production of a multi-layer paint coating and base paint for the base coat of a multi-layer paint coating
    Patent number: 5256453
    Abstract: A process for the production of a multi-layer paint coating in which base paints are employed which contain 5 to 20% by weight of crosslinked polymer microparticles, 2 to 15% by weight of a cellulose ester and 5 to 20% by weight of an epoxidized fatty acid ester, the weight percentages relating to the total content of nonvolatile constituents, excluding pigments and inorganic fillers, and the cellulose ester being so selected that a solution of 15 parts by weight of the cellulose ester in 85 parts by weight of a 9:1 mixture of acetone and ethanol at 23.degree. C. has a viscosity of 200 to 600 mPa.s.
    Type: Grant
    Filed: December 31, 1991
    Date of Patent: October 26, 1993
    Assignee: BASF Lacke + Farben Aktiengesellschaft
    Inventors: Monika Heithorn, Stefan Wieditz, Gerold Mahr, Arnold Dobbelstein, deceased