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. 21, 1984
Filed:
Sep. 22, 1982
Applicant:
Inventors:
Achille De Schepper, Lichtaart-Kasterlee, BE;
Marc Coussement, Hove, BE;
Antoine Van Peteghem, Olen, BE;
Assignee:
Metallurgie Hoboken-Overpelt, Brussels, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; C01G / ;
U.S. Cl.
CPC ...
423 89 ; 423 24 ; 423 99 ; 423139 ;
Abstract
Germanium is separated from an aqueous solution by means of a substituted 8-hydroxyquinoline extractant. Re-extraction of germanium from the extractant is carried out above 40.degree. C. and with an organic phase: aqueous phase volume ratio less than 1, whereby obtaining a high re-extraction yield.