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. 26, 1996
Filed:
Dec. 20, 1994
Applicant:
Inventor:
Thomas A Wolfe, Wyalusing, PA (US);
Assignee:
Osram Sylvania Inc., Danvers, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G / ;
U.S. Cl.
CPC ...
423593 ; 2329 / ;
Abstract
A process for reducing the average particle size of an ammonium paratungstate powder having the steps of heating the ammonium paratungstate powder at a temperature of between about 110.degree. C. to about 205.degree. C. for a time sufficient to reduce the average particle size of the ammonium paratungstate powder by at least 20 percent.
Wolfe, Thomas. (1996). Process for reducing the average particle size of ammonium paratungstate (U.S. Patent No. 5578285). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5578285
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