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:
Sep. 11, 1984
Filed:
Oct. 27, 1982
Applicant:
Inventors:
Seiichi Uemura, Tokyo, JP;
Shunichi Yamamoto, Kamakura, JP;
Takao Hirose, Kamakura, JP;
Hiroaki Takashima, Kawasaki, JP;
Osamu Kato, Yokohama, JP;
Assignee:
Nippon Oil Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D01F / ; C10C / ;
U.S. Cl.
CPC ...
4234471 ; 4234476 ; 208 22 ; 208 40 ;
Abstract
A process for the production of carbon fibers which comprises using a specific optically isotropic pitch having a reflectivity of 9.0-11.0% as the material for the carbon fibers.
Uemura, Seiichi. (1984). Process for the production of pitch-derived carbon fibers (U.S. Patent No. 4470960). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4470960
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile