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:
Feb. 12, 2002
Filed:
Aug. 28, 1998
Applicant:
Inventors:
Matthias Höhne, Clausthal-Zellerfeld, DE;
Bernd Mende, Bad Harzburg, DE;
Knut Eikemeyer, Altenau, DE;
Assignee:
H. C. Starck GmbH & Co. KG, Goslar, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F 9/24 ;
U.S. Cl.
CPC ...
B22F 9/24 ;
Abstract
Ultrafine cobalt metal powder consisting of fine crystallites, wherein the crystallites, wherein the crystallitex exhibit a rice-grain shaped to spherical habit and more than 90% of the crystallites have a diameter in the range of from 0.5 to 2 &mgr;m, a process for the production of the cobalt metal powder via an intermediate stage of cobalt carbonate production, and processes and products re certain uses of the cobalt metal powder and the cobalt carbonate and an intermediate oxide so produced.