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:
Aug. 11, 1992
Filed:
Oct. 18, 1990
Applicant:
Inventor:
Christopher A Tarry, Sayre, PA (US);
Assignee:
GTE Products Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
264 62 ; 264 63 ; 264 65 ; 264 66 ;
Abstract
In a process for producing a high density article of titanium diboride, a titanium diboride powder mixture is formed into a compact shape, and then sintered according to a two step sintering process with one step being at a low furnace pressure to close the surface porosity of the compact and the second sintering step being at a higher over pressure to form a high density article.