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:
Jun. 24, 2025
Filed:
Mar. 02, 2023
Applicant:
Umicore, Brussels, BE;
Inventors:
Bart Klaasen, Olen, BE;
Marjon Willekens, Olen, BE;
Assignee:
UMICORE, Brussels, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 53/10 (2006.01);
U.S. Cl.
CPC ...
C01G 53/10 (2013.01);
Abstract
The present invention provides a process for the preparation of a nickel sulphate solution in a column reactor, whereby metal particles containing nickel are reacted with an oxidative leach solution comprising sulphuric acid and hydrogen peroxide in water and whereby the acid in the oxidative leaching solution is substantially depleted.