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:
Oct. 07, 2014
Filed:
Feb. 11, 2008
Applicant:
John Chu Chen, Hockessin, DE (US);
Inventor:
John Chu Chen, Hockessin, DE (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/06 (2006.01); B32B 27/12 (2006.01); C08L 23/10 (2006.01); C08L 23/08 (2006.01); C08K 5/09 (2006.01); C08K 5/098 (2006.01);
U.S. Cl.
CPC ...
C08L 23/0876 (2013.01); C08L 23/0869 (2013.01); C08L 23/0853 (2013.01); C08K 5/09 (2013.01); C08L 2205/02 (2013.01); C08L 23/10 (2013.01); C08K 5/098 (2013.01);
Abstract
Disclosed is a variable vapor barrier comprising or produced from a composition wherein the composition comprises an ethylene copolymer, a fatty acid, and an additional polymer; the ethylene copolymer comprises repeat units derived from ethylene, a Cα,β-ethylenically unsaturated carboxylic acid, and optionally a comonomer; the fatty acid is one or more carboxylic acids having fewer than 36 carbon atoms, or salts thereof; and the additional polymer is present in the from about 30 to about 85%, based on the weight of the composition.