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:
Oct. 07, 2025
Filed:
Mar. 12, 2021
Philip Morris Products S.a., Neuchatel, CH;
Guillaume Bastien Baur, Genolier, CH;
Daniele Sanna, Marin-Epagnier, CH;
Jerome Uthurry, Neuchatel, CH;
Philip Morris Products S.A., Neuchatel, CH;
Abstract
An aerosol-generating article for producing an aerosol upon heating is provided, the article including: a rod of aerosol-forming substrate; and a filter positioned downstream of the rod, in which the rod and the filter are assembled within a wrapper, the article further including first and second air ingress zones located on the wrapper, the first and the second air ingress zones each being configured to allow an ingress of air into an interior of the article, the first air ingress zone including a substantially porous portion of the wrapper, the substantially porous portion having a porosity of at least 3000 Coresta Units, and a level of air ingress into the interior of the article through the first zone is greater than a level of air ingress into the interior of article through the second zone. An aerosol-generating system including the aerosol-generating article and an aerosol-generating device is also provided.