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. 12, 2024
Filed:
Sep. 30, 2019
Applicant:
Ocp SA, Casablanca, MA;
Inventors:
Assignee:
OCP SA, , MA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 59/00 (2006.01); C01F 17/10 (2020.01); C22B 3/06 (2006.01); C22B 3/08 (2006.01); C22B 3/44 (2006.01);
U.S. Cl.
CPC ...
C22B 59/00 (2013.01); C01F 17/10 (2020.01); C22B 3/065 (2013.01); C22B 3/08 (2013.01); C22B 3/44 (2013.01);
Abstract
The present invention relates to a process for purifying and concentrating rare earths contained in phosphogypsum, characterised in that it comprises the following steps of: