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. 17, 1990
Filed:
Dec. 21, 1988
Applicant:
Inventors:
Achille J De Schepper, Lichtaart, BE;
Guy G Haesebroek, Mortsel, BE;
Antoine L Van Peteghem, Olen, BE;
Assignee:
Metallurgie Hoboken-Overpelt, Hoboken, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01G / ;
U.S. Cl.
CPC ...
423 22 ; 423 84 ; 423 87 ; 423 89 ; 423 98 ; 423112 ; 423131 ; 20681 ;
Abstract
A process using an extractant, that consists on the one hand of an active component being substituted 8-hydroxyquinoline and on the other hand of by-products of the manufacture of said extractant, said process being characterized in that the extractant contains at least 90 wt % of the active component.