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. 08, 2019
Filed:
Dec. 18, 2014
Applicant:
E I Du Pont DE Nemours and Company, Wilmington, DE (US);
Inventors:
Richard T Chou, Hockessin, DE (US);
Loic Pierre Rolland, Divonne les Bains, FR;
Assignee:
PERFORMANCE MATERIALS NA, INC., Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/12 (2006.01); C08L 23/08 (2006.01); B32B 5/02 (2006.01); B32B 29/02 (2006.01);
U.S. Cl.
CPC ...
C08L 23/0869 (2013.01); B32B 5/022 (2013.01); B32B 5/024 (2013.01); B32B 29/02 (2013.01); B32B 2260/021 (2013.01); B32B 2260/046 (2013.01); B32B 2262/0253 (2013.01); B32B 2262/0276 (2013.01); B32B 2307/304 (2013.01); B32B 2307/7246 (2013.01); B32B 2419/00 (2013.01); C08L 2205/02 (2013.01); C08L 2207/066 (2013.01); Y10T 428/249992 (2015.04); Y10T 428/31906 (2015.04); Y10T 442/2139 (2015.04);
Abstract
Disclosed is a vapor permeable composition comprising a copolymer comprising copolymerized units of ethylene and copolymerized units of a comonomer providing an amine-reactive site; a short chain polymer having one primary amine active amine site, and comprising propylene oxide, ethylene oxide, or mixture thereof. The composition is useful as a vapor barrier for moisture control of buildings. Also disclosed are articles comprising the vapor permeable composition and methods of their use.