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:
Sep. 19, 1978
Filed:
Jun. 17, 1977
Applicant:
Inventors:
James J Auborn, Warren, NJ (US);
Elizabeth A Trickett, Acton, MA (US);
Assignee:
GTE Laboratories Incorporated, Waltham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423440 ; 423409 ; 75 84 ;
Abstract
Process for the preparation of reactive tungsten comprising reducing a tungsten compound in a reducing atmosphere at temperatures ranging from about 450.degree. C to 700.degree. C. The reactive tungsten can be readily converted to WC, W.sub.2 C or WN.