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. 06, 2004
Filed:
Oct. 21, 2002
Applicant:
Inventors:
Tooru Kitagawa, Ohtsu, JP;
Hideki Sugihara, Ohtsu, JP;
Yoshimitsu Sakaguchi, Ohtsu, JP;
Atsushi Kaji, Ohtsu, JP;
Yukihiro Nomura, Ohtsu, JP;
Assignee:
Toyo Boseki Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F 6/00 ;
U.S. Cl.
CPC ...
D01F 6/00 ;
Abstract
Polybenzazole fibers wherein the mean square roughness of the fiber surface is 20 nm or less, or polybenzazole fibers wherein the X-ray meridian diffraction half-height width factor is 0.3°/GPa or less, and their utilization such as shock-resistant members and heat-resistant felt, etc.