Patents by Inventor Reneé A. Kozimor

Reneé A. Kozimor 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).

  • Radiation tolerant polypropylene and its useful articles
    Patent number: 6231936
    Abstract: Provided are articles such as packaging materials and medical devices having enhanced tolerance to radiation and heat, produced from a blend of from about 99% to about 50% by weight homo or copolymerized polypropylene and about 1% to about 50% by weight polyethylene produced by single-site catalysis, such polyethylene having a MWD between about 1 and about 4, and a CDBI greater than about 45%. Optionally, other blend components may be added, such as hindered amine stabilizers, secondary antioxidants, clarifying nucleators and secondary antioxidants. Also provided are processes for producing such articles.
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: May 15, 2001
    Assignee: Exxon Chemical Patents, Inc.
    Inventors: Reneé A. Kozimor, Robert C. Portnoy