Patents by Inventor Pierre Nazareth Tu{overscore (t)}unjian

Pierre Nazareth Tu{overscore (t)}unjian 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).

  • Preformed multi-acid adducts useful for grafting polyolefin polymers
    Patent number: 6515174
    Abstract: The present invention relates to reaction products formed from maleic anhydride and amino carboxylic acids. The reaction products are particularly useful for grafting polyolefins to increase their polarity and therefore enhance their physical properties.
    Type: Grant
    Filed: January 16, 2001
    Date of Patent: February 4, 2003
    Assignee: Shell Oil Company
    Inventors: Manuel Soler Rodriguez, Charles Chiu-Hsiung Hwo, Pui Kwan Wong, Pierre Nazareth Tu{overscore (t)}unjian, Charles Lee Edwards