Patents by Inventor Helmuth Schmaldt

Helmuth Schmaldt 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).

  • Heat curable coating compositions and their use for coating finish films and endless edges
    Patent number: 5219616
    Abstract: This invention relates to a process of coating a finish film and one endless edge which comprising applying to said film and edge a heat curable coating composition containing an organic solvent, a lacquer additive and (a) from about 40 to about 85 parts by weight of an acetal and hydroxy functional resin; (b) from about 3 to about 20 parts by weight of an aminoplast resin; and (c) from about 0 to about 40 parts by weight of a polyester resin; and curing the wet film at a temperature between about 120 degrees C., to about 200 degrees C.
    Type: Grant
    Filed: February 28, 1992
    Date of Patent: June 15, 1993
    Assignee: Herberts Gesellschaft mit beschranker Haftung
    Inventors: Peter Klostermann, Hans-Dieter Rad, Helmuth Schmaldt