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. 17, 2009
Filed:
Mar. 15, 2005
Applicants:
Susan E. Plunkett, Richmond, VA (US);
Kenneth H. Shafer, Sutherland, VA (US);
Inventors:
Susan E. Plunkett, Richmond, VA (US);
Kenneth H. Shafer, Sutherland, VA (US);
Assignee:
Philip Morris USA Inc., Richmond, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A24D 3/16 (2006.01); B01D 53/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Filters and smoking articles include at least one carbon fiber composite molecular sieve sorbent capable of selectively removing one or more selected constituents from mainstream smoke. Methods for making cigarette filters and smoking articles using the carbon fiber composite molecular sieve sorbent and methods for treating mainstream tobacco smoke in a cigarette comprising the carbon fiber composite molecular sieve sorbent are also provided.