Patents by Inventor Cynthia Mitchell

Cynthia Mitchell 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).

  • Publication number: 20070259994
    Abstract: The present invention is directed to carbon nanotube-elastomer composites, methods for making such carbon nanotube-elastomer composites, and articles of manufacture made with such carbon nanotube-elastomer composites. In general, such carbon nanotube-elastomer (CNT-elastomer) composites display an enhancement in their tensile modulus (over the native elastomer), but without a large concomitant reduction in their strain-at-break.
    Type: Application
    Filed: June 23, 2004
    Publication date: November 8, 2007
    Applicants: William Marsh Rice University, The University of Houston
    Inventors: James Tour, Jared Hudson, Ramanan Kirshnamoorti, Koray Yurekli, Cynthia Mitchell
  • Publication number: 20060142466
    Abstract: The present invention is directed to aryl halide (such as aryl bromide) functionalized carbon nanotubes can be utilized in anionic polymerization processes to form polymer-carbon nanotube materials with improved dispersion ability in polymer matrices. In this process the aryl halide is reacted with an alkyllithium species or is reacted with a metal to replace the aryl-bromine bond with an aryl-lithium or aryl-metal bond, respectively. It has further been discovered that other functionalized carbon nanotubes, after deprotonation with a deprotonation agent, can similarly be utilized in anionic polymerization processes to form polymer-carbon nanotube materials. Additionally or alternatively, a ring opening polymerization process can be performed. The resultant materials can be used by themselves due to their enhanced strength and reinforcement ability when compared to their unbound polymer analogs.
    Type: Application
    Filed: June 21, 2004
    Publication date: June 29, 2006
    Inventors: James Tour, Jared Hudson, Ramanan Krishnamoorti, Koray Yurekli, Cynthia Mitchell
  • Publication number: 20050013951
    Abstract: A packaging material for forming a cook-in food package formed from an aluminum foil sheet for providing uniform heat distribution and moldable conformity of the material to a food being cooked, a paper sheet for directly contacting the food and providing a non-stick, releasable food contacting surface and a barrier between the food and the aluminum foil sheet, and a food grade adhesive applied between the aluminum foil sheet and the paper sheet and bonding the aluminum foil sheet and paper sheet together to form a lamination thereof.
    Type: Application
    Filed: July 14, 2004
    Publication date: January 20, 2005
    Inventors: Cynthia Mitchell, Melvin Mitchell