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:
Nov. 16, 1999
Filed:
Dec. 22, 1992
Applicant:
Inventors:
Frank Raymond Corrigan, Franklin, OH (US);
Sam Anthony, Westerville, OH (US);
John Michael Zarichansky, Pataskala, OH (US);
Assignee:
General Electric Company, Pittsfield, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423290 ; 501 964 ;
Abstract
A method is provided wherein hexagonal boron nitride particulates are converted directly into cubic boron nitride particles or agglomerated masses which can be easily milled to the desired size due to the presence of an inert powder during the conversion to reduce interparticle bonding.