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:
Nov. 17, 1981
Filed:
Dec. 26, 1979
Applicant:
Inventors:
Faramarz Nazem, Strongsville, OH (US);
Robert C Stroup, Bay Village, OH (US);
Assignee:
Union Carbide Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F / ;
U.S. Cl.
CPC ...
4234474 ; 264 292 ; 2641 / ; 4234476 ;
Abstract
In the process of producing a carbon fiber from mesophase pitch, including the steps of spinning the pitch fiber from a spinnerette, thermosetting the pitch fiber, and thereafter, carbonizing the pitch fiber to produce the carbon fiber, wherein the improvement comprises spinning the pitch fiber into a hot gaseous environment.
Nazem, Faramarz. (1981). Process for spinning pitch fiber into a hot gaseous environment (U.S. Patent No. 4301135). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4301135
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile