Patents by Inventor Vechelle R. Onufrak

Vechelle R. Onufrak 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).

  • Energy absorbing, water blown, rigid polyurethane foam
    Patent number: 6028122
    Abstract: The invention relates to compositions and method for producing energy absorbing, water blown, rigid polyurethane foams. The resulting polyurethane foams are low density, predominately open celled foams which exhibit a relatively constant consistency of compressive strength over deflectors. Such foams are suitable as lightweight alternatives to traditional energy absorbing applications.
    Type: Grant
    Filed: October 21, 1997
    Date of Patent: February 22, 2000
    Assignee: BASF Corporation
    Inventors: Lori R. Everitt, Richard P. Harrison, Vechelle R. Onufrak