The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 29, 2009
Filed:
Mar. 30, 2006
Applicants:
James Michael Mckenna, Hockessin, DE (US);
Edward Maxwell DE Brant Smith, Wilmington, DE (US);
David J. Wrigley, Athenaz, CH;
Inventors:
James Michael McKenna, Hockessin, DE (US);
Edward Maxwell de Brant Smith, Wilmington, DE (US);
David J. Wrigley, Athenaz, CH;
Assignee:
E. I. du Pont de Nemours and Company, Wilimington, DE (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 63/02 (2006.01);
U.S. Cl.
CPC ...
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.