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:
Mar. 16, 1993
Filed:
Jun. 14, 1991
Takaomi Sugihara, Gotenba, JP;
Tokai Carbon Co., Ltd., Tokyo, JP;
Abstract
The present invention discloses a process for producing a boron nitride-coated SiC whisker, comprising dissolving a borazine represented by the following formula (I) in hexane, dispersing a SiC whisker in the resultant solution, collecting the SiC whisker thus treated by filtration, drying and baking it in a non-oxidizing atmosphere at 1000.degree. to 1800.degree. C. to form a boron nitride coating on the surface of the SiC whisker: ##STR1## wherein R is an atom or a group selected from the group consisting of Cl, N(C.sub.2 H.sub.5).sub.2, NH.sub.2, NHCH.sub.3 and CH.sub.3, and R' is an atom or a group selected from the group consisting of H and CH.sub.3.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile