US 11,957,163 B2
Multi-segment filter element including smoke-altering flavorant
Steven Lee Alderman, Lewisville, NC (US); Leigh Ann Blevins Joyce, Lewisville, NC (US); Stephen Benson Sears, Siler City, NC (US); Kenneth Allen Beard, Lexington, NC (US); and Timothy Brian Nestor, Advance, NC (US)
Assigned to R.J. Reynolds Tobacco Company, Winston-Salem, NC (US)
Filed by R.J. Reynolds Tobacco Company, Winston-Salem, NC (US)
Filed on Jan. 15, 2020, as Appl. No. 16/743,555.
Application 16/743,555 is a continuation of application No. 13/082,908, filed on Apr. 8, 2011, granted, now 10,609,955, issued on Apr. 7, 2020.
Prior Publication US 2020/0146340 A1, May 14, 2020
Int. Cl. A24D 3/04 (2006.01); A24B 3/14 (2006.01); A24D 3/06 (2006.01); A24D 3/08 (2006.01); A24D 3/10 (2006.01); A24D 3/17 (2020.01); A24F 42/60 (2020.01)
CPC A24D 3/048 (2013.01) [A24B 3/14 (2013.01); A24D 3/061 (2013.01); A24D 3/08 (2013.01); A24D 3/10 (2013.01); A24D 3/17 (2020.01); A24F 42/60 (2020.01)] 11 Claims
OG exemplary drawing
 
1. An article comprising a tobacco rod and a filter element connected to the tobacco rod, said filter element having an end proximal to the tobacco rod and an end distal from the tobacco rod defining a mouth end of the article, wherein said filter element comprises a first section of filter material with a plurality of channels formed therein and extending at least partially longitudinally through the first section of filter material, said plurality of channels each being adapted for passage of mainstream smoke between said tobacco rod and a second section of filter material arranged in an end-to-end configuration with said first section of filter material, the first section of filter material comprising a gathered polyester web and a smoke-altering material comprising a flavorant and the second section of filter material comprising cellulose acetate, wherein a filter material comprising cellulose acetate is positioned in at least one of said plurality of channels of said first section of filter material.