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:
Apr. 24, 2007
Filed:
Oct. 01, 2002
Robert D. Bolskar, Boulder, CO (US);
J. Michael Alford, Lakewood, CO (US);
Robert D. Bolskar, Boulder, CO (US);
J. Michael Alford, Lakewood, CO (US);
TDA Research, Inc., Wheat Ridge, CO (US);
Abstract
The invention provides a method of separating a first and a second set of fullerenes in a fullerene mixture. In the method of the invention, a stable fullerene cation is formed of one of the first or the second set of fullerenes. The fullerene cation is then separated from the other set of fullerenes. Optionally, the fullerene cation may be returned to its neutral state. The method of the invention is particularly useful for the purification and separation of endohedral fullerenes from empty fullerenes. However, the method may be applied to the purification of a broad range of endohedral and empty fullerene materials.