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:
May. 22, 1984
Filed:
Jul. 22, 1981
Applicant:
Inventors:
Cornelis AM. Weterings, Stein, NL;
Johannes A Janssen, Schinveld, NL;
Assignee:
Stamicarbon B.V., Geleen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G / ;
U.S. Cl.
CPC ...
423-8 ; 423 11 ; 4233 / ;
Abstract
A process is described for the removal of uranium values from contaminated wet-process phosphoric acid solutions using an addition thereto of first an aliphatic ketone and then an inorganic fluoride, whereby high efficiencies in the removal of uranium as a solid, filterable precipitate are achieved.