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. 10, 1992
Filed:
Jul. 15, 1991
Applicant:
Inventors:
David C Deleeuw, Midland, MI (US);
Jonathan Lipowitz, Midland, MI (US);
Paul P Lu, Hacienda Heights, CA (US);
Assignee:
Dow Corning Corporation, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ; C04B / ; C01B / ; C01B / ;
U.S. Cl.
CPC ...
501 88 ; 501 87 ; 501 94 ; 501 95 ; 423344 ; 423345 ;
Abstract
This invention relates to the preparation of thermally stable, substantially polycrystalline silicon carbide ceramic fibers derived from a polycarbosilane resin. The unexpected thermal stability of these fibers is achieved by the incorporation of boron prior to ceramification.