Patents by Inventor Frank C. Kohoutek

Frank C. Kohoutek 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).

  • Blowing agent compatabilization
    Patent number: 6258866
    Abstract: Provided herein are subcombinations from which polyurethane foams and polyurethane foams containing polyisocyanurates may be prepared. The subcombinations are unique in that they contain components which synergistically act towards promoting compatibility between a blowing agent and the remaining components of the formulation. Through the use of the teachings herein, blowing agent concentrations in excess of 25% by weight of the total subcombination may be incorporated.
    Type: Grant
    Filed: January 31, 2000
    Date of Patent: July 10, 2001
    Assignee: Huntsman Petrochemical Corporation
    Inventor: Frank C. Kohoutek