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:
Jul. 31, 2012
Filed:
Sep. 19, 2011
Applicants:
Sheng Peng, Hockessin, DE (US);
Stephen James Getty, Wilmington, DE (US);
Timothy Edward Hopkins, Wilmington, DE (US);
Ying Wang, West Chester, PA (US);
Inventors:
Sheng Peng, Hockessin, DE (US);
Stephen James Getty, Wilmington, DE (US);
Timothy Edward Hopkins, Wilmington, DE (US);
Ying Wang, West Chester, PA (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A polymer having at least one urea linkage prepared by: (i) reacting (a) at least one diisocyanate, polyisocyanate, or mixture thereof, having isocyanate groups, and (b) at least one fluorinated compound selected from the formula (I):R(CHCF)(CHCH)(R)—XH  Formula (I)wherein