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:
Nov. 27, 2007
Filed:
Sep. 01, 2004
Applicants:
Raj P. Singh, Sayre, PA (US);
Thomas A. Wolfe, Towanda, PA (US);
David L. Houck, Towanda, PA (US);
Inventors:
Assignee:
Osram Sylvania Inc., Danvers, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F 9/18 (2006.01); B22F 9/20 (2006.01); B22F 9/22 (2006.01); C01B 31/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A novel molybdenum compound, ammonium dodecamolybdomolybdate (AMM), is described which may be used in the manufacture of molybdenum metal and molybdenum carbide powders. The molybdenum compound is a dodecaheteropoly acid salt having a Keggin-type structure wherein molybdenum resides in both the hetero as well as peripheral atomic positions. The novel compound has the general formula (NH)MoMoO·6HO. Because of its low solubility, the compound can be crystallized efficiently and at a high purity from ammonium molybdate solutions.