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. 10, 2013
Filed:
Feb. 02, 2009
Applicants:
Werner M. A. Grootaert, Oakdale, MN (US);
Kai H. Lochhaas, Neuoetting, DE;
Inventors:
Werner M. A. Grootaert, Oakdale, MN (US);
Kai H. Lochhaas, Neuoetting, DE;
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 8/40 (2006.01); C08F 4/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
A composition and method of making having a perfluoroelastomer gum with a nitrogen-containing cure site and an end group represented by —CF—CFH, —CFH, and/or —CH, and having a low carbonyl-containing end group ratio, which yield cured fluoroelastomers with improved retained sealing force and articles therefrom.