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:
Aug. 13, 1991
Filed:
Oct. 04, 1989
Applicant:
Inventors:
Ralf Riedel, Leinenfelden-Echterdingen, DE;
Gerd Passing, Gerlingen, DE;
Gunter Petzow, Leinenfelden-Echterdingen, DE;
Wolfgang Krumbe, Krefeld, DE;
Gerhard Franz, Krefeld, DE;
Assignee:
Bayer AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
501 92 ;
Abstract
The present invention relates to an SiC powder suitable for the production of SiC sintered ceramics with compounds applied to its surface, these compounds being boron nitride and carbon; processes for production of the SiC powders; and the use of these powders to produce SiC sintered mouldings.