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:
Mar. 10, 1981
Filed:
Feb. 26, 1979
Applicant:
Inventors:
Jacques Helgorsky, Frepillon, FR;
Alain Leveque, Paris, FR;
Assignee:
Rhone-Poulenc Industries, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F / ;
U.S. Cl.
CPC ...
423 215 ; 423D / ; 7510 / ;
Abstract
A process is provided for separating, by solvent extraction, metal compounds contained in aqueous solutions. The aqueous solution is contacted with an organic phase containing at least one substituted hydroquinoline. The process of the invention is particularly applicable to the separation of at least one element selected from among the group consisting of the rare earths and yttrium from an aqueous solution containing it.