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. 05, 1988
Filed:
Apr. 03, 1987
Michael J Cheresnowsky, Towanda, PA (US);
GTE Products Corporation, Stamford, CT (US);
Abstract
A process is disclosed for producing ammonium molybdate from molybdenum trioxide which involves digesting molybdenum trioxide with ammonia in a sealed vessel equipped with one or more stirrers at a temperature of from about 20.degree. C. to about 80.degree. C., with the amount of ammonia being equal to the stoichiometric amount needed to form normal ammonium molybdate, up to about 2.9 times this stoichiometric amount, to form an ammonium molybdate solution containing essentially all of the starting molybdenum; followed by separating the solution from any insolubles. The method is especially useful for molybdenum containing iron as an impurity. Essentially all of the iron reports with the insolubles.