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. 04, 2009
Filed:
Jan. 26, 2007
Applicants:
Sarojini Deevi, Midlothian, VA (US);
Padmanabha Reddy Ettireddy, Richmond, VA (US);
Inventors:
Sarojini Deevi, Midlothian, VA (US);
Padmanabha Reddy Ettireddy, Richmond, VA (US);
Assignee:
Philip Morris USA Inc., Richmond, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 21/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
Catalysts for the conversion, or oxidation, of carbon monoxide to carbon dioxide. Cigarettes with filters containing the catalysts have acceptable resistance to draw. Additionally, the catalysts can be used to reduce the concentration of carbon monoxide from a vehicle exhaust emission, a gas used in a COlaser, a gas used in a fuel cell and/or ambient air undergoing air filtration.