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. 20, 2007
Filed:
Jul. 28, 2003
Ju-hee Cho, Seoul, KR;
Chan-ho Pak, Seoul, KR;
Ju-hee Cho, Seoul, KR;
Chan-ho Pak, Seoul, KR;
Samsung SDI Co., Ltd., Suwon, KR;
Abstract
A composite electrolyte membrane for decreasing the crossover of polar organic fuel and a fuel cell employing the membrane are provided. The composite electrolyte membrane includes a modified silica in which silicon atoms have substituents as represented by formula 1 and formula 2; and an cation exchange group-containing polymer: Formula 1—R—SOX Formula 2—R—S—S—R—wherein, Ris an alkylene group with 2–7 carbon atoms, X is a hydrogen atom or an alkali metal, Rand Rare each independently an alkylene group with 2–7 carbon atoms.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile