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:
Aug. 27, 2019
Filed:
Aug. 06, 2015
Applicant:
Nisshinbo Chemical Inc., Tokyo, JP;
Inventor:
Fumio Tanno, Chiba, JP;
Assignee:
NISSHINBO CHEMICALS INC., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/0226 (2016.01); C08G 59/50 (2006.01); C08G 59/62 (2006.01); C08L 63/04 (2006.01); H01M 8/0221 (2016.01); H01M 8/0234 (2016.01); H01M 8/0239 (2016.01); H01M 8/0243 (2016.01); H01M 8/1018 (2016.01);
U.S. Cl.
CPC ...
H01M 8/0226 (2013.01); C08G 59/5073 (2013.01); C08G 59/621 (2013.01); C08L 63/04 (2013.01); H01M 8/0221 (2013.01); H01M 8/0234 (2013.01); H01M 8/0239 (2013.01); H01M 8/0243 (2013.01); H01M 2008/1095 (2013.01);
Abstract
Provided is a fuel cell separator obtained by molding a composition that contains an epoxy resin and a graphite powder, wherein: the epoxy resin contains a main resin, a curing agent, and a curing accelerator; the main resin contains a biphenyl novolak-type epoxy resin having an ICI viscosity of 0.03-0.12 Pa·s at 150° C.; and the curing agent is a novolak-type phenol resin having a weight-average molecular weight of 420-1,500 and a dispersion degree of 2.0 or less.