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:
Feb. 10, 2009
Filed:
May. 25, 2005
Applicants:
Ping Xu, Hockessin, DE (US);
Jack Hegenbarth, Wilmington, DE (US);
Xin Kang Chen, Shanghai, CN;
Jian Hou, Shanghai, CN;
Inventors:
Ping Xu, Hockessin, DE (US);
Jack Hegenbarth, Wilmington, DE (US);
Xin Kang Chen, Shanghai, CN;
Jian Hou, Shanghai, CN;
Assignee:
Gore Enterprise Holdings, Inc., Newark, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 8/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Crosslinkable perfluoroelastomer compositions having low metal content and low compression set when crosslinked, and processes for producing the same, are provided. Compositions comprising terpolymers of TFE, PAVE, and CNVE having a metal content of less than 3000 ppb may be formed into high purity transparent perfluoroelastomer parts.