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:
Jan. 08, 2019
Filed:
Feb. 27, 2015
Applicant:
Commissariat À L'énergie Atomique ET Aux Énergies Alternatives, Paris, FR;
Inventors:
Nicolas Debski, Palaiseau, FR;
Martine Mayne-L'Hermite, Les Molieres, FR;
Mathieu Pinault, Antony, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F 17/00 (2006.01); C01B 32/174 (2017.01);
U.S. Cl.
CPC ...
B01F 17/0057 (2013.01); B01F 17/0021 (2013.01); C01B 32/174 (2017.08); C01B 2202/02 (2013.01); C01B 2202/06 (2013.01); C01B 2202/34 (2013.01);
Abstract
The present invention concerns a method for preparing a suspension of carbon nanotubes in an aqueous solution comprising the following successive steps consisting of subjecting an aqueous solution containing carbon nanotubes and a surfactant to at least one cycle of freezing in liquid nitrogen and thawing; and subjecting said thawed solution to an ultrasound treatment. The present invention also concerns a suspension of carbon nanotubes, and in particular a suspension of long carbon nanotubes, that can be prepared by such a method.