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US 5,662,126 AGranted
Smoke filter containing particulate smoke modifying additive
AssigneeCigarette Components Limited
InventorsJohn Charlton, Paul Francis Clarke
Life of this patent
Estimating the term…
Abstract
A filter having a longitudinal axis and having a tube formed by at least one strip [2] which is pre-coated with particulate smoke modifying additive [4] adhering thereto and which curves through at least 360.degree. about the longitudinal axis.
Claims3
A tobacco smoke filter, comprising a tubular element having an inner and outer face and containing, coated on at least one of said faces, a particulate smoke-modifying sorbent additive adhering thereto, wherein said tubular element surrounds a core and comprises a sheet which is adhesively secured at an abutted or slightly lapped longitudinal seam.
Dependencies are inferred from the claim text.