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. 05, 2012
Filed:
Dec. 05, 2008
Applicants:
Ralph Munson Aten, Chadds Ford, PA (US);
Sharon Ann Libert, Hockessin, DE (US);
Heidi Elizabeth Burch, Parkersburg, WV (US);
Inventors:
Ralph Munson Aten, Chadds Ford, PA (US);
Sharon Ann Libert, Hockessin, DE (US);
Heidi Elizabeth Burch, Parkersburg, WV (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 49/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process is provided for extruding a partially crystalline melt-fabricable perfluoropolymers. The process comprises blow molding from a perfluoropolymer having polytetrafluoroethylene sub-micrometer particles dispersed therein. The perfluoropolymer composition is a core/shell polymer, with pelletized blend, a dispersion blend or a melt-mixed polymer.