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:
Jun. 12, 2007
Filed:
Jan. 20, 2003
Applicants:
Yves Barre, Uchaux, FR;
Marc Simon, Orange, FR;
Roger Neige, Pierrelatte, FR;
Raphaël Duval, Deauville, FR;
Inventors:
Yves Barre, Uchaux, FR;
Marc Simon, Orange, FR;
Roger Neige, Pierrelatte, FR;
Raphaël Duval, Deauville, FR;
Assignee:
Commissariat a l'Energir Atomique, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 323/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to ureido or carbamate derivatives of crown ethers and of silicon of formula: These derivatives can be grafted to silica gel for the purpose of obtaining supports for the chromatographic separation of cations or of molecules comprising amine functional groups, such as amino acids.