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:
Jan. 17, 2012
Filed:
Feb. 23, 2006
Applicants:
Toshimitsu Harada, Okayama, JP;
Hisashi Nagi, Okayama, JP;
Hiroyuki Kawai, Osaka, JP;
Masakazu Nishiyama, Okayama, JP;
Inventors:
Toshimitsu Harada, Okayama, JP;
Hisashi Nagi, Okayama, JP;
Hiroyuki Kawai, Osaka, JP;
Masakazu Nishiyama, Okayama, JP;
Assignee:
Kuraray Co., Ltd., Kurashiki-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
An alkaline battery separator including 25 to 62% by mass of an alkali-resistance synthetic fiber, 5 to 25% by mass of a fibrillated organic solvent-spun cellulose fiber having a Canadian standard freeness value of 10 to 280 ml, and 33 to 50% by mass of a mercerized pulp having a Canadian standard freeness value of not less than 550 ml, wherein the fibrillated organic solvent-spun cellulose fiber intertwines with the mercerized pulp.