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.

Date of Patent:
Mar. 21, 2006

Filed:

Sep. 06, 2002
Applicants:

Charles Madic, Thiais, FR;

Laurence Berthon, Connaux, FR;

Nicole Zorz, Bagnols/Ceze, FR;

Hélène Coulombeau, Orsay, FR;

Fabienne Testard, Paris, FR;

Thomas Zemb, Viroflay, FR;

Sébastien Gibanel, La Force, FR;

Chantal Larpent, Versailles, FR;

Krystyna Baczko, Orsay, FR;

Inventors:

Charles Madic, Thiais, FR;

Laurence Berthon, Connaux, FR;

Nicole Zorz, Bagnols/Ceze, FR;

Hélène Coulombeau, Orsay, FR;

Fabienne Testard, Paris, FR;

Thomas Zemb, Viroflay, FR;

Sébastien Gibanel, La Force, FR;

Chantal Larpent, Versailles, FR;

Krystyna Baczko, Orsay, FR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 235/12 (2006.01); C22B 60/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention relates to a heat-sensitive compound having the property of being soluble in water below a critical temperature Tand insoluble in water above this temperature T, this property being thermally reversible, characterized in that it comprises a first amphiphilic and thermally reversible part corresponding to one of the following formulae (I) and (II):in which i is an integer ranging from 1 to 20 and j is an integer ranging from 3 to 30. This compound can be used to extract a chemical entity, such as uranium.


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