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. 24, 2019
Filed:
Nov. 17, 2014
R.j. Reynolds Tobacco Products, Winston-Salem, NC (US);
Andries Don Sebastian, Clemmons, NC (US);
Pankaj Patel, Clemmons, NC (US);
Bruce Bengtsson, Winston Salem, NC (US);
Stephanie A. Whittington, Kernersville, NC (US);
Erkki Mikael Salo, Espoo, FI;
Tero Tapani Malm, Tampere, FI;
R.J. REYNOLDS TOBACCO PRODUCTS, Winston-Salem, NC (US);
Abstract
Provided herein is a tobacco packaging material, comprising a paper material coated with at least one polymer layer. The polymer layer comprises at least one repulpable polymer, and wherein the tobacco packaging material has a water vapor transmission rate (WVTR) that is at least 90% lower than the paper material. Further provided is a tobacco package comprising the tobacco packaging material, wherein the tobacco package is substantially free of any foil inner liner or polypropylene film. Further described is a method for making the tobacco packaging material, comprising extrusion coating at least one repulpable polymer onto a paper material to form a polymer layer, and optionally further depositing at least one atomic layer deposition (ALD) layer that comprises a metal oxide.