METHODS FOR IMPROVING QUALITY OF MAINSTREAM SMOKE AND MULTICOMPONENT FILTERS AND SMOKING ARTICLES THEREFOR

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United States of America Patent

APP PUB NO 20110277781A1
SERIAL NO

13071562

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A multicomponent smoking article filter adapted to be disposed at the non-burning end of the rod of smokable material, comprising: a first plug; a second plug; a first cavity disposed between the first plug and the second plug, wherein the first cavity comprises: (1) a plurality of cellulosic granules containing a flavorant, and (2) either a plurality of cellulosic granules containing a humectant, or containing water, or a combination thereof; and a second cavity comprising a sorbent disposed upstream from the first cavity relative to the direction of mainstream smoke drawn through the filter.

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Patent Owner(s)

Patent OwnerAddress
PHILIP MORRIS USA INC6601 WEST BROAD STREET RICHMOND VA 23230

International Classification(s)

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  • 2011 Application Filing Year
  • A24C Class
  • 36 Applications Filed
  • 16 Patents Issued To-Date
  • 44.45 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2011201220132014201520162017201820190255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Clark, David Richmond, US 167 2441

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  • 1 Citation Count
  • A24C Class
  • 16.13 % this patent is cited more than
  • 14 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges523301 - 1011 - 20012345678910111213141516171819202122232425

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