Patents by Inventor James H. Weis

James H. Weis 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).

  • Phenolic ester inhibitor
    Patent number: 4267358
    Abstract: Phenolic esters wherein the phenolic groups are hindered by at least one ortho substituent. The esters are effective to impart thermal stability to olefin polymers. Their structure is as follows: ##STR1## where R is alkyl or cycloalkyl of 3-8 carbon atoms, R.sup.1 is alkyl of 1-6 carbon atoms and n is 1-2.
    Type: Grant
    Filed: March 13, 1980
    Date of Patent: May 12, 1981
    Assignee: Borg-Warner Corporation
    Inventors: Ingenuin Hechenbleikner, William P. Enlow, James H. Weis