Patents by Inventor Edward de Brant Smith

Edward de Brant Smith 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).

  • Polyester elastomer and compositions thereof
    Publication number: 20060235187
    Abstract: Polyetherester elastomers comprising about 25 to about 59 weight percent poly(trimethylene ether) ester soft segments and about 41 to about 75 weight percent hard segments, wherein the poly(trimethylene ether) ester soft segments are derived from poly(trimethylene ether) glycol having a number average molecular weight of about 600 to about 2500. Compositions thereof and articles made therefrom are disclosed.
    Type: Application
    Filed: March 30, 2006
    Publication date: October 19, 2006
    Inventors: James McKenna, Edward de Brant Smith, David Wrigley