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:
May. 20, 2003
Filed:
Feb. 06, 2001
Applicant:
Inventors:
Shigeru Kurumatani, Hikone, JP;
Hirokazu Hiraoka, Hikone, JP;
Masayuki Noda, Hikone, JP;
Tomoyuki Terao, Tokyo, JP;
Setsuo Toyoshima, Tokyo, JP;
Yoshihisa Kato, Nakatsugawa, JP;
Hiroyoshi Ueno, Nakatsugawa, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D04H 1/40 ; D04H 1/54 ; D04H 1/58 ;
U.S. Cl.
CPC ...
D04H 1/40 ; D04H 1/54 ; D04H 1/58 ;
Abstract
A non-woven fabric comprising a principal component of para-aramid fiber chops bonded with each other by a binder, the para-aramid fiber chops having a mixture of (a) poly-p-phenylene-3,4′-diphenylether-terephthalamide fibers and (b) poly-p-phenylene-terephthalamide fibers and having a blend ratio by weight of (a)/(b)=10/90˜90/10 and preferably (a)/(b)=30/70˜70/30.