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:
Mar. 03, 2020
Filed:
Jul. 15, 2014
Applicant:
Philip Morris Products S.a., Neuchatel, CH;
Inventors:
Aurelien Guyard, Pompaples, CH;
Ping Li, Lausanne, CH;
Assignee:
Philip Morris Products S.A., Neuchâtel, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24D 1/02 (2006.01); A24D 1/00 (2020.01);
U.S. Cl.
CPC ...
A24D 1/02 (2013.01); A24D 1/002 (2013.01);
Abstract
A smoking article includes a tobacco rod and a wrapper disposed about the tobacco rod. The wrapper includes a plurality of aggregated particles. The aggregated particles include particles of functional material and a whitener bound in a polymeric binder. The particles of functional material may be a catalyst or an oxidant, such as an iron oxide-containing particle. The whitener may be calcium carbonate.