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:
Feb. 25, 2020
Filed:
Feb. 23, 2018
Performance Materials Na, Inc., Midland, MI (US);
Richard T Chou, Hockessin, DE (US);
Performance Materials NA, INC., Midland, MI (US);
Abstract
Disclosed is a selectively permeable protective structure, a method for providing personal protection from exposure to harmful chemical and biological agents using an article that provides a barrier to such agents and a method for limiting damage to the article due to corrosion or mold growth, comprising wrapping or covering the article in the selectively permeable protective structure. The selectively permeable structure comprises a membrane comprising a copolymer comprising copolymerized units of ethylene and copolymerized units of a comonomer providing an amine-reactive site combined with a short chain polymer having from about 5 to 50 repeat units and containing one primary amine active amine site, having a moisture vapor permeation value of at least 200 g-mil/m/24 h and barrier to liquid water, and optionally a supporting substrate.