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:
Dec. 11, 2007
Filed:
Apr. 06, 2004
Eugene Napadensky, Newark, DE (US);
Yossef A. Elabd, Baltimore, MD (US);
Dawn M. Crawford, Bel Air, MD (US);
James M. Sloan, Bel Air, MD (US);
Eugene Napadensky, Newark, DE (US);
Yossef A. Elabd, Baltimore, MD (US);
Dawn M. Crawford, Bel Air, MD (US);
James M. Sloan, Bel Air, MD (US);
United States of America as represented by the Secretary of the Army, Washington, DC (US);
Abstract
A block copolymer composition AB is provided that has pendent groups —RZ extending from the A copolymer on at least 70 mol % of the A monomers, where R and Z are each an ionic species. The composition is included in a semipermeable membrane for use in a direct methanol fuel cell. Also described are articles of protective apparel comprising the composition which advantageously has barrier properties as well as superior water vapor transport properties.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile