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:
Dec. 15, 1992
Filed:
May. 14, 1991
Applicant:
Inventors:
Alain Guy, Pontcarre, FR;
Marc Lemaire, Villeurbanne, FR;
Jacques Foos, Orsay, FR;
Gerard Le Buzit, Crosne, FR;
Vincent Guyon, Paris, FR;
Thierry Moutarde, Piolenc, FR;
Rodolph Chomel, Camaret-sur-Aigues, FR;
Micheline Draye, Challes-les-Eaux, FR;
Assignee:
Cogema-Compagnie Generale des Matieres Nucleaires, Velizy Vallacoublay, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
423-8 ; 423 22 ; 252627 ; 534 10 ;
Abstract
The invention relates to the use of thioether ligands in accordance with the formula: ##STR1## in which R.sup.1 and R.sup.2, which can be the same or different, represent alkyl radicals, R.sup.3 is an alkyl radical and A represents a divalent radical chosen from among the radicals of formula: