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:
Apr. 29, 1997
Filed:
Jul. 01, 1996
Applicant:
Inventor:
Toshiaki Hokudoh, Otsu, JP;
Assignee:
Toyo Boseki Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D02C / ;
U.S. Cl.
CPC ...
428357 ; 428359 ; 428364 ; 428394 ; 528377 ; 528313 ; 528321 ; 528182 ; 57243 ; 57252 ; 57255 ;
Abstract
There is provided a spun yarn of a polybenzazole fiber having a single fiber fineness of 1 to 3 deniers and an average fiber length of 30 to 200 mm, the spun yarn having a tenacity of 15 g/d or higher and satisfying the following relationship: