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:
Apr. 14, 2015
Filed:
Aug. 02, 2011
Applicants:
Catherine Santini-scampucci, Collonges au Mont d'Or, FR;
Yves Chauvin, Tours, FR;
Paul Campbell, Bochum, DE;
Inventors:
Catherine Santini-Scampucci, Collonges au Mont d'Or, FR;
Yves Chauvin, Tours, FR;
Paul Campbell, Bochum, DE;
Assignee:
Centre National de la Recherche Scientifique, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 11/00 (2006.01); C22B 3/20 (2006.01); C01G 25/00 (2006.01); C01G 25/04 (2006.01); C01G 27/00 (2006.01); C01G 27/04 (2006.01); C22B 3/42 (2006.01); C22B 34/14 (2006.01);
U.S. Cl.
CPC ...
C22B 3/20 (2013.01); C01G 25/003 (2013.01); C01G 25/04 (2013.01); C01G 27/003 (2013.01); C01G 27/04 (2013.01); C22B 3/42 (2013.01); C22B 34/14 (2013.01); C01P 2002/86 (2013.01);
Abstract
A simple, inexpensive and non-corrosive industrial separation method making it possible to separate zirconium and hafnium tetrachlorides from mixtures thereof, a simple industrial method allowing the zirconium/hafnium separation, and a method making it possible to produce fractions enriched with zirconium and containing hafnium at a trace level are disclosed.