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:
Jun. 04, 1985
Filed:
May. 29, 1984
Applicant:
Inventor:
Martin Y Hsieh, Palo Alto, CA (US);
Assignee:
GTE Products Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
501 98 ; 501 87 ; 501 97 ;
Abstract
Compositions consisting of silicon nitride, hard materials such as titanium carbide and titanium nitride, and densifying agents such as lanthanum oxide or lanthanum aluminum compounds are disclosed for silicon nitride bodies.