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:
Aug. 21, 2012
Filed:
Apr. 01, 2011
Chintamani Nagesa Ramachandra Rao, Bangalore, IN;
Subi Jacob George, Bangalore, IN;
Rakesh Voggu, Bangalore, IN;
K. Venkata Rao, Bangalore, IN;
Chintamani Nagesa Ramachandra Rao, Bangalore, IN;
Subi Jacob George, Bangalore, IN;
Rakesh Voggu, Bangalore, IN;
K. Venkata Rao, Bangalore, IN;
Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur Karnataka, Bankalore, IN;
Abstract
Embodiments herein describe a composition including at least one water-soluble complex having a water-soluble separation agent including a planar portion, at least one pi electron on the planar portion and at least one electron withdrawing group; and a semiconducting single-walled carbon nanotube in an aqueous solution. Further embodiments describe a method of separating metallic single-walled carbon nanotubes and semiconducting single-walled carbon nanotubes including providing carbon nanotubes having an admixture of semiconducting single-walled carbon nanotubes and metallic single-walled carbon nanotubes; and combining the admixture with a water-soluble separation agent in an aqueous solution to form a mixture, in which the water-soluble separation agent includes a planar portion, at least one pi electron on the planar portion and at least one electron withdrawing group.