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Synthesis particles in dendritic structures

Reference

00359-01

Patents status

French patent application FR0513274 filed on December 23rd,2005 entitled “Synthèse de nanoparticules dans des structures dendritiques en milieux fluides supercritiques”

Inventors

Cyril AYMONIER
François CANSELL
Stéfan MECKING
Sandy MOISAN
Victor MARTINEZ

commercial status

Research agreement, exclusive or non exclusive licenses

Laboratory

Institut de Chimie de la Matière Condensée de Bordeaux, CNRS/UPR9048, Pessac, France, http://www.icmcb.u-bordeaux1.fr/

Description

TECHNICAL DESCRIPTION

The invention relates to a method of preparing a composition containing nanoparticles comprises: contacting a mixture comprising a dendrite structured compound and a metal precursor compound in a fluid so that the mixture will not be soluble in the fluid; and chemically transforming metal precursor compound in to the nanoparticle composition.

BENEFITS

The process is safe as the process makes use of nontoxic and non-inflammable carbon dioxide gas medium, is cost effective as the process makes the use of abundant sources, and is eco-friendly as the process obtains recyclable residue. The composition has excellent abrasion resistivity, optical selectivity and with stability against chemical attacks and environmental aggressions and good catalytic properties.

INDUSTRIAL APPLICATIONS

The nanoparticle composition is useful as catalyst in organic synthesis, surface coating and as contrast agent for the medical imaging science.

For further information, please contact us (Ref 00359-01)


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