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:
Jul. 21, 2009
Filed:
Jun. 24, 2002
Armin Olbrich, Seesen, DE;
Juliane Meese-marktscheffel, Goslar, DE;
Viktor Stoller, Bad Harzburg, DE;
Michael Erb, Salzgitter, DE;
Sven Albrecht, Goslar, DE;
Gerhard Gille, Goslar, DE;
Gerd Maikowske, Goslar, DE;
Frank Schrumpf, Goslar, DE;
Josef Schmoll, Goslar, DE;
Matthias Jahn, Goslar, DE;
Armin Olbrich, Seesen, DE;
Juliane Meese-Marktscheffel, Goslar, DE;
Viktor Stoller, Bad Harzburg, DE;
Michael Erb, Salzgitter, DE;
Sven Albrecht, Goslar, DE;
Gerhard Gille, Goslar, DE;
Gerd Maikowske, Goslar, DE;
Frank Schrumpf, Goslar, DE;
Josef Schmoll, Goslar, DE;
Matthias Jahn, Goslar, DE;
H. C. Starck GmbH, , DE;
Abstract
A process for preparing nickel hydroxide by alkaline precipitation from nickel salt solutions in the presence of complexing agents, in which the precipitation is carried out at at least two different locations in the same mother liquor with different precipitation kinetics at the different locations and the mother liquor is mixed prior to agglomeration of the precipitated primary crystals, is described.