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. 01, 1985
Filed:
May. 20, 1983
Applicant:
Inventor:
Gary G Tibbetts, Birmingham, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; D01F / ;
U.S. Cl.
CPC ...
4234473 ; 423448 ; 423458 ;
Abstract
Graphite fibers are preferably grown by natural gas pyrolysis adjacent a stainless steel surface. Prior to said natural gas pyrolysis, the surface is pretreated by evaporating a ferric nitrate solution to increase the yield of product fibers.