Calixarene derivatives

US6657081B1 · kind B1 · utility

Assignee

• COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES · FR

Inventors

• Jean-François Dozol · Manosque, FR
• Alejandro Garcia Carrera · Belleville, FR
• Volker Bohmer · Mainz, DE
• Susan Matthews · Bicester, GB

Key dates

• Filing date: May 29, 2001
• Grant date: Dec 2, 2003
• Expiry date: May 29, 2021

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P10/20
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to new calixarenes according to the formula: wherein:R1 is an alkyl or aryl group, or a hydrogen atom,R2 and R3, which may be identical or different, are alkyl or aryl groups,n is an integer ranging from 2 to 8, andp is an integer ranging from 4 to 8.Said calixarenes may be used to extract actinides and lanthanides from aqueous solutions.