The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 13, 2022
Filed:
Oct. 15, 2015
Applicant:
Philip Morris Products S.a., Neuchatel, CH;
Inventors:
Assignee:
Philip Morris Products S.A., Neuchatel, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A24D 1/02 (2006.01); D21H 17/11 (2006.01); D21H 21/16 (2006.01); A24D 3/06 (2006.01);
U.S. Cl.
CPC ...
A24D 1/02 (2013.01); A24D 3/061 (2013.01); D21H 17/11 (2013.01); D21H 21/16 (2013.01);
Abstract
A smoking article includes a tobacco substrate and a filter segment comprising filtration material axially aligned in an abutting end to end relationship with the tobacco substrate. A hydrophobic plug wrap is disposed about the filtration material. The plug wrap is hydrophobic via hydrophobic groups chemically bonded to the plug wrap.