Patent · US Active

Phosphorus dendrimers, preparation method thereof and use of same for the extraction of actinides and lanthanides

US7763684B2 · kind B2 · utility

2Cited by

3References

13Claims

0Family size

Assignee

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

Inventors

Jean-François Dozol · Manosque, FR
Christian Schmidt · Erfurt, DE
Pingshan Wang · Central, US
Volker Bohmer · Mainz, DE

Key dates

Filing date	Feb 26, 2004
Grant date	Jul 27, 2010
Priority date	—
Expiry date	Sep 22, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S977/754
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention relates to novel phosphorus-containing dendrimers having a core, at least one generation and an external layer consisting, completely or partly, of identical or different units, the said units satisfying the following formula (I):in which R1 and R2, which may be identical or different, are alkyl, alkoxy or aryl groups.These dendrimers are used for extracting actinides and lanthanides from aqueous solutions containing them.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.