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. 20, 2013
Filed:
Jul. 02, 2008
Steven J. Holmes, Guilderland, NY (US);
Mark C. Hakey, Fairfax, VT (US);
David V. Horak, Essex Junction, VT (US);
James G. Ryan, Niskayuna, NY (US);
Steven J. Holmes, Guilderland, NY (US);
Mark C. Hakey, Fairfax, VT (US);
David V. Horak, Essex Junction, VT (US);
James G. Ryan, Niskayuna, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A carbon nanotube filter, a use for a carbon nanotube filter and a method of forming a carbon nanotube filter. The method including (a) providing a carbon source and a carbon nanotube catalyst; (b) growing carbon nanotubes by reacting the carbon source with the nanotube catalyst; (c) forming chemically active carbon nanotubes by forming a chemically active layer on the carbon nanotubes or forming chemically reactive groups on sidewalls of the carbon nanotubes; and (d) placing the chemically active nanotubes in a filter housing.