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:
Jul. 27, 2004
Filed:
Jul. 16, 2002
Applicant:
Inventor:
Richard D. Nixdorf, Knoxville, TN (US);
Assignee:
Industrial Ceramic Solutions, LLC, Oak Ridge, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 3/136 ;
U.S. Cl.
CPC ...
C01B 3/136 ;
Abstract
Method for producing discontinuous silicon carbide fibers, useful as heating elements in a low-energy microwave field, from discontinuous carbonized cotton fibers employing an admixture of carbonized cotton fibers, a metal salt promoter, calcium oxalate monohydrate, and low-density silicon dioxide. The admixture, in a dry state, is introduced into a preheated oven at about 1450 to 1750 degrees C. for between about one and five hours. Silicon carbide fibers and a sheet formed from the fibers are disclosed.