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:
Nov. 09, 2010
Filed:
Jun. 13, 2006
John Chu Chen, Hockessin, DE (US);
Sam Louis Samuels, Landenberg, PA (US);
Ashok Harakhlal Shah, Midlothian, VA (US);
John Chu Chen, Hockessin, DE (US);
Sam Louis Samuels, Landenberg, PA (US);
Ashok Harakhlal Shah, Midlothian, VA (US);
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
Disclosed is a composition comprising a neutralized acid copolymer or ionomer thereof, an organic acid, and optionally other polymers, having a ratio of wet cup permeance to dry cup permeance greater than 10. The composition is useful as a variable vapor barrier for moisture control of buildings. Also disclosed are articles comprising the variable vapor composition and methods of their use.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile