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US 10,893,698 B2Granted
Hydrophobic smoking article tube
AssigneePhilip Morris Products S.A.
InventorsAurelien Guyard, Benoit Mivelaz
Life of this patent
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Abstract
A smoking article tube includes an elongated tube having a mouthpiece segment at a first end and an empty smokable material cavity defined by a second end of the elongated tube opposing the first end. A hydrophobic tube region includes hydrophobic groups covalently bonded to the elongated tube.
Claims20
A smoking article tube comprising:
- an elongated tube having a mouthpiece segment at a first end of the elongated tube and an empty smokable material cavity defined by a second end of the elongated tube opposing the first end;
- and
- a hydrophobic tube region comprising hydrophobic groups covalently bonded to the elongated tube.
Dependencies are inferred from the claim text.