Patents by Inventor Pamela Fritz

Pamela Fritz 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).

  • Patent number: 5987727
    Abstract: A process for the production of automobile parts lacquered with two coats, in which two coating layers are applied on both sides of a coil of sheet metal and are each stoved, and corresponding sheet metal parts are then stamped out of the coil and shaped by the deep-drawing process. In each case by the coil coating process, a coating composition (A) which comprises, based on its solid resin composition, 55 to 80 wt. % of one or more polyester-polyols, 2 to 10 wt. % of one or more aromatic epoxy resins and, as crosslinking agents, 5 to 15 wt. % aminoplast resin and 10 to 25 wt. % blocked polyisocyanate is applied to produce the first coating layer, and a coating composition (B) which comprises, based on its solid resin composition, 60 to 80 wt. % of one or more polyester-polyols and, as crosslinking agents, 10 to 20 wt. % aminoplast resin and 10 to 20 wt. % blocked polyisocyanate is applied to produce the second coating layer, the sum of the constituents of the coating compositions in each case being 100 wt.
    Type: Grant
    Filed: September 29, 1998
    Date of Patent: November 23, 1999
    Assignee: Herberts GmbH
    Inventors: Ahmed Shafik, Pamela Fritz, Silke Hanske