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:
Apr. 16, 1991
Filed:
Jun. 06, 1989
Applicant:
Inventors:
Shih-Yee Kuo, Salt Lake City, UT (US);
Hyun-Sam Cho, Salt Lake City, UT (US);
Jeffrey D Bright, Salt Lake City, UT (US);
Assignee:
Norton Company, Worcester, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C / ; C23C / ; C23C / ; C23C / ;
U.S. Cl.
CPC ...
427217 ; 427215 ; 427252 ; 427253 ; 427343 ; 427377 ; 4274197 ;
Abstract
Finely divided silicon carbide materials, particularly powders, whiskers and short fibers, are provided with a titanium nitride surface coating by the process of (i) placing a low carbon diffusivity layer atop the silicon carbide, (ii) placing a titanium metal coating atop the low carbon diffusivity layer, and (iii) nitriding the titanium metal.