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. 26, 1999
Filed:
Sep. 27, 1991
Applicant:
Inventors:
Duane Ray Bujalski, Bay City, MI (US);
Gregg Alan Zank, Midland, MI (US);
Thomas Duncan Barnard, Midland, MI (US);
Assignee:
Dow Corning Corporation, Midland, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
501 88 ; 501 951 ; 423345 ;
Abstract
This invention relates to the preparation of thermally stable, substantially polycrystalline silicon carbide ceramic fibers using borosilazane resins. The method comprises spinning fibers from the resin, infusibilizing the spun fibers and pyrolyzing the spun fibers at a temperature greater than about 1700.degree. C.