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:
Sep. 23, 1986
Filed:
May. 02, 1985
Applicant:
Inventors:
Takashi Suzuki, Niigata, JP;
Takamasa Kawakami, Niigata, JP;
Rieko Nakano, Niigata, JP;
Takeshi Koyama, Niigata, JP;
Kansei Izaki, Niigata, JP;
Akira Mori, Niigata, JP;
Masami Orisaku, Matsudo, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423344 ;
Abstract
Fine silicon nitride powders, fine silicon carbide powders, or fine powdery mixture of silicon nitride and silicon carbide are prepared by vapor phase reaction of an aminosilane compound, a cyanosilane compound, a silazane compound, an alkoxysilane compound or a siloxane compound and heat treatment of the resulting fine powders in a non-oxidizing gas atmosphere.