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:
Feb. 10, 2009
Filed:
Dec. 03, 2004
Applicants:
Jeffrey L. Bahr, Houston, TX (US);
Yuemei Yang, Houston, TX (US);
Kenneth O. Mcelrath, Houston, TX (US);
Martin P. Grosboll, Kingwood, TX (US);
Aurelie Mayeux, Houston, TX (US);
Inventors:
Jeffrey L. Bahr, Houston, TX (US);
Yuemei Yang, Houston, TX (US);
Kenneth O. McElrath, Houston, TX (US);
Martin P. Grosboll, Kingwood, TX (US);
Aurelie Mayeux, Houston, TX (US);
Assignee:
Unidym, Inc., Menlo Park, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 31/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A carbon nanotube material that comprises carbon nanotubes, a magnesia support and a catalyst metal can be purified by contacting it with a mixture comprising carbon dioxide and water. At least some of the magnesia support is reacted to form water-soluble compounds.