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:
Jul. 24, 2012
Filed:
Mar. 01, 2010
Georgios D. Karles, Richmond, VA (US);
Gunaranjan Viswanathan, Chandler, AZ (US);
John Layman, Blacksburg, VA (US);
Shuzhong Zhuang, Richmond, VA (US);
Georgios D. Karles, Richmond, VA (US);
Gunaranjan Viswanathan, Chandler, AZ (US);
John Layman, Blacksburg, VA (US);
Shuzhong Zhuang, Richmond, VA (US);
Philip Morris USA Inc., Richmond, VA (US);
Abstract
A method of producing a multi-modal pore distribution activated carbon is provided herein by preparing a solution comprising a polymer precursor, mixing an additional material with the polymer precursor in the solution, cross-linking the polymer precursor with the additional material mixed therein, carbonizing the mixture of the polymer precursor and the additional material, and activating the carbonized mixture to form a multi-modal pore distribution activated carbon. The multi-modal pore distribution activated carbon can include pores less than 20 Å and greater than 30 Å or 500 Å depending upon the sorption properties desired, wherein the pore distribution of the activated carbon can be tailored to provide predetermined kinetics and/or gaseous constituent equilibrium isotherms.