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US 2015/0374031 A1Published application
Segmented cigarette filter for selective smoke filtration
AssigneeR.J. Reynolds Tobacco Company
InventorsAndries D. Sebastian, Stephen Benson Sears, Anthony Richard Gerardi
Life of this patent
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Abstract
A method of making a filter element configured for use in a smoking article comprises selecting at least one finish composition configured to selectively filter at least one target component of mainstream aerosol, and applying the finish composition to a fibrous material.
Claims17
A method of making a filter element configured for use in a smoking article, the method comprising:
- selecting at least one finish composition configured to selectively filter at least one target component of mainstream aerosol;
- and
- applying the finish composition to a fibrous material.
A filter material configured for use in a filter element of a smoking article, the filter material comprising:
- a fibrous material that includes at least one fiber finish composition on fibers thereof, which fiber finish composition binds to and thereby selectively reduces the concentration of at least one target vapor phase component of mainstream aerosol, the at least one fiber finish composition including one or more of an antistatic agent, a lubricant, an emulsifier, and a thickening agent.
Dependencies are inferred from the claim text.