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:
Feb. 09, 1999
Filed:
May. 04, 1998
Applicant:
Inventor:
Suresh S Vagarali, Columbus, OH (US);
Assignee:
General Electric Company, Pittsfield, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423290 ;
Abstract
An improved process for converting hexagonal boron nitride (HBN) particles into cubic boron nitride (CBN) in a high pressure/high temperature apparatus (HP/HT) is disclosed. More specifically, by using melamine as a catalyst, operating pressures and temperatures as well as catalyst costs, may all be reduced.