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. 14, 1992
Filed:
Jun. 01, 1990
Applicant:
Inventors:
Hani A Abodishish, Ogden, UT (US);
Randall W Wahlquist, Ogden, UT (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
419 62 ; 419 66 ; 75612 ; 75618 ;
Abstract
A process for hardening sponge refractory metal and making it more susceptible to crushing by the addition of oxygen and/or nitrogen gas to either the reduction stage of the production of the metal from a tetrachloride thereof with magnesium, or to the treatment of a regulus of such metal following vacuum distillation thereof.