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:
Jun. 21, 2011
Filed:
Nov. 16, 2006
Applicants:
Ralph Munson Aten, Chadds Ford, PA (US);
Heidi Elizabeth Burch, Parkersburg, WV (US);
Sharon Ann Libert, Hockessin, DE (US);
Inventors:
Ralph Munson Aten, Chadds Ford, PA (US);
Heidi Elizabeth Burch, Parkersburg, WV (US);
Sharon Ann Libert, Hockessin, DE (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 5/16 (2006.01); B32B 1/08 (2006.01); C08L 27/18 (2006.01); C08L 27/12 (2006.01); C08F 259/08 (2006.01); C08F 214/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
Tensile strength after heat aging of articles molded from melt-fabricable perfluoropolymer is improved by incorporating polytetrafluoroethylene as dispersed submicrometer-size particles into the melt-fabricable perfluoropolymer.