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:
Jan. 08, 1991
Filed:
Dec. 28, 1989
Applicant:
Inventor:
Lionel C Montgomery, Bay Village, OH (US);
Assignee:
Union Carbide Coatings Service Technology Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
264 63 ; 264 60 ; 264 61 ; 264126 ; 264 67 ; 501 96 ;
Abstract
A method for forming a dense metal boride composite article having a predetermined shape in which the method comprises blending a metal boride and a nitride to form a mixture of particles, milling the particles to a desired size, coating the particles with a lubricant formed from a polyvinyl acetate, cold forming the particles into an article of desired shape and pressureless sintering the cold formed article.