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. 29, 2014
Filed:
Nov. 08, 2011
Applicants:
Neville Everton Drysdale, Newark, DE (US);
Elizabeth Forrester Mccord, Hockessin, DE (US);
Fredrik Nederberg, Greenville, DE (US);
Inventors:
Neville Everton Drysdale, Newark, DE (US);
Elizabeth Forrester McCord, Hockessin, DE (US);
Fredrik Nederberg, Greenville, DE (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/00 (2006.01); C08G 63/682 (2006.01); C08G 81/00 (2006.01); C08G 63/672 (2006.01);
U.S. Cl.
CPC ...
C08G 63/672 (2013.01); C08G 63/6826 (2013.01); C08G 81/00 (2013.01);
Abstract
Disclosed are block copolyesters comprising blocks of fluoroether functionalized aromatic polyester and blocks of unmodified aromatic polyester, the block copolyesters having a blockiness index, B, in the range of 0.25 to 1.0. The block copolymers incorporated into blends with unmodified aromatic polyester impart oil and soil resistance to shaped articles prepared from the blends.