Patents by Inventor Josef H. Jilek

Josef H. Jilek 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).

  • Composition for coating a substrate with an epoxy resin powder coating and a method of making matt finishes with the composition
    Patent number: 4528127
    Abstract: This invention is directed to a composition for coating a substrate with a powder coating and to a method of making matt finishes. The composition comprises a solid polyepoxide resin, a solid curing agent in which at least 50 weight percent of the curing agent is a 1:1 mole ratio adduct of rosin and maleic anhydride, a catalyst for promoting the reaction between the polyepoxide and the curing agent, and a pigment. The method of making matt finishes comprises (1) applying to a surface the above-described composition and (2) curing the mixture at a temperature from 140.degree. to 250.degree. C.
    Type: Grant
    Filed: August 10, 1984
    Date of Patent: July 9, 1985
    Assignee: The Dow Chemical Company
    Inventors: Rolf Holderegger, Josef H. Jilek