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:
Dec. 21, 1993
Filed:
Oct. 30, 1992
Applicant:
Inventor:
Michael J Cheresnowsky, Towanda, PA (US);
Assignee:
GTE Products Corporation, Danvers, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G / ;
U.S. Cl.
CPC ...
423 53 ; 423 54 ; 423202 ;
Abstract
An improved method for substantially removing potassium from potassium-bearing molybdenum trioxide involves the use of a leach solution in a weight ratio of seven parts of the leach solution to one part molybdenum trioxide at a temperature of at least 90.degree. C.