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. 14, 2011
Filed:
Mar. 25, 2008
Applicants:
Donald F. Lyons, Wilmington, DE (US);
Steven R. Oriani, Landenberg, PA (US);
Inventors:
Donald F. Lyons, Wilmington, DE (US);
Steven R. Oriani, Landenberg, PA (US);
Assignee:
DuPont Performance Elastomers L.L.C., Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 14/22 (2006.01); C08F 14/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a process for the manufacture of fluoroelastomers, a water-soluble polymeric coagulant is employed that is an aqueous solution of polyethyleneimine or its copolymers.