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:
Apr. 17, 1984
Filed:
Mar. 17, 1982
Applicant:
Inventors:
Assignee:
National Institute for Researches in Inorganic Materials, Niihari, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423290 ;
Abstract
Cubic system boron nitride from rhombohedral system boron nitride is produced by a shock wave compression method. The process comprises applying a thermodynamically stable pressure to rhombohedral system boron nitride to convert it to cubic system boron nitride.