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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.:

US 9169127 B1

PDFFull Text
Date of Patent:
Oct. 27, 2015

Filed:

Jun. 04, 2010

Method for preparing an organic-compatible and water-compatible composition of metal nanocrystals, and resulting composition

Applicants:

Myrtil Kahn, Toulouse, FR;

Fabienne Gauffre-guirardel, Ramonville Saint-Agne, FR;

Javier Rubio-garcia, Piedras Blancas-Asturias, ES;

Christophe Mingotaud, Toulouse, FR;

Bruno Chaudret, Vigoulet-Auzil, FR;

Sarmenio Saliba, Attard, MT;

Inventors:

Myrtil Kahn, Toulouse, FR;

Fabienne Gauffre-Guirardel, Ramonville Saint-Agne, FR;

Javier Rubio-Garcia, Piedras Blancas-Asturias, ES;

Christophe Mingotaud, Toulouse, FR;

Bruno Chaudret, Vigoulet-Auzil, FR;

Sarmenio Saliba, Attard, MT;

Assignee:

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), Paris, FR;

Attorney:

Young & Thompson

Primary Examiner:

Robert Jones, Jr

Int. Cl.
CPC ...
C01G 1/02 (2006.01); C08K 13/04 (2006.01); C08K 13/02 (2006.01); C08L 71/02 (2006.01); C08K 3/22 (2006.01); C01G 25/02 (2006.01); C01G 23/04 (2006.01); C01G 29/00 (2006.01); C01G 9/02 (2006.01); C01G 51/04 (2006.01); C01G 11/00 (2006.01); C01G 27/02 (2006.01); C01G 17/02 (2006.01); C01G 49/02 (2006.01); B01J 13/00 (2006.01); B22F 1/00 (2006.01); B22F 9/26 (2006.01); B82Y 30/00 (2011.01); C22C 5/04 (2006.01);
U.S. Cl.
CPC ...
C01G 1/02 (2013.01); B01J 13/0043 (2013.01); B01J 13/0047 (2013.01); B22F 1/0018 (2013.01); B22F 1/0025 (2013.01); B22F 9/26 (2013.01); B82Y 30/00 (2013.01); C01G 9/02 (2013.01); C01G 11/00 (2013.01); C01G 17/02 (2013.01); C01G 23/04 (2013.01); C01G 25/02 (2013.01); C01G 27/02 (2013.01); C01G 29/00 (2013.01); C01G 49/02 (2013.01); C01G 51/04 (2013.01); C08K 3/22 (2013.01); C08K 13/02 (2013.01); C08K 13/04 (2013.01); C08L 71/02 (2013.01); C22C 5/04 (2013.01); B22F 2998/00 (2013.01); C01P 2002/84 (2013.01); C01P 2004/04 (2013.01); C01P 2004/32 (2013.01); C01P 2004/39 (2013.01); C01P 2004/64 (2013.01); C01P 2006/60 (2013.01); Y10T 428/2982 (2015.01);
Abstract

A method for preparing a composition of metal nanocrystals from at least one organometallic precursor in a solvent medium in the presence of a PEG ligand, including a carbon chain, at least one end of which is functionalized by a coordination grouping including at least one hetero atom, and having at least one [OCHCH]grouping, n being an integer higher than 1, so as to be soluble both in the solvent medium and in water. The water-compatible and organic-compatible composition of metal nanocrystals thus obtained is also described.

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