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:
Mar. 29, 2011
Filed:
Dec. 19, 2006
Lixin Xue, Midlothian, VA (US);
Liqun Yu, Midlothian, VA (US);
Shuzhong Zhuang, Richmond, VA (US);
Georgios D. Karles, Richmond, VA (US);
Kent B. Koller, Chesterfield, VA (US);
Lixin Xue, Midlothian, VA (US);
Liqun Yu, Midlothian, VA (US);
Shuzhong Zhuang, Richmond, VA (US);
Georgios D. Karles, Richmond, VA (US);
Kent B. Koller, Chesterfield, VA (US);
Philip Morris USA Inc., Richmond, VA (US);
Abstract
A smoking article includes a cylinder of smoking material having at least one hollow tube having a heat conductive wall within the cylinder of smoking material and a filter system attached to the cylinder of smoking material. The filter system includes an adsorbent material therein. The at least one hollow tube extends from within the cylinder of smoking material through the adsorbent material. At least one flavorant material is retained within the at least one hollow tube, and upon exposure to heat from the heat conductive wall of the hollow tube the flavorant material releases a flavorant.