Patents by Inventor Theodore G. Harris, III

Theodore G. Harris, III 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).

  • Polystyrene compositions having improved mechanical properties and methods of using same
    Publication number: 20090281235
    Abstract: A polymeric composition comprising a styrenic polymer and a plasticizer, wherein the plasticizer comprises a polyisoalkylene and wherein the composition has a Vicat softening point of from 210° F. to 217° F. A method of increasing the impact strength of a styrenic polymer comprising contacting the styrenic polymer with an elastomer and a polyisoalkylene. A method of preparing a high impact polystyrene comprising introducing styrene monomer, an elastomer, polyisobutylene and mineral oil to a reaction zone under conditions suitable for the formation of a styrenic polymer.
    Type: Application
    Filed: May 6, 2008
    Publication date: November 12, 2009
    Inventors: Theodore G. Harris, III, Jon Tippet
  • Compositions useful for tough, high crystallinity films
    Patent number: 6245857
    Abstract: Provided is polyolefin composition, the majority of which is highly isotactic polypropylene, comprising the property of heat of melting (&Dgr;Hm) greater than or equal to about 89 J/g.
    Type: Grant
    Filed: February 22, 1999
    Date of Patent: June 12, 2001
    Assignee: Fina Technology, Inc.
    Inventors: Edwar Shoukri Shamshoum, Sehyun Kim, Theodore G. Harris, III, Aiko Hanyu