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:
Sep. 15, 2009
Filed:
Mar. 31, 2006
Applicants:
Chan-hwa Chung, Seoul, KR;
Woo-jae Kim, Seoul, KR;
Hoo-gon Choi, Seoul, KR;
Young-kwan Lee, Seoul, KR;
Sung-min Cho, Gyeonggi-do, KR;
Jae-do Nam, Seoul, KR;
Inventors:
Chan-Hwa Chung, Seoul, KR;
Woo-Jae Kim, Seoul, KR;
Hoo-Gon Choi, Seoul, KR;
Young-Kwan Lee, Seoul, KR;
Sung-Min Cho, Gyeonggi-do, KR;
Jae-Do Nam, Seoul, KR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/02 (2006.01); H01M 8/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a direct methanol fuel cell having reduced methanol crossover. The fuel cell includes a layer of material for controlling the diffusion rate of fuel.