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. 15, 2019
Filed:
Jul. 27, 2017
Applicant:
Philip Morris Products S.a., Neuchatel, CH;
Inventors:
Assignee:
Philip Morris Products S.A., Neuchatel, CH;
Primary Examiner:
Int. Cl.
CPC ...
A24F 47/00 (2006.01); A24B 15/16 (2006.01); C10L 5/00 (2006.01);
U.S. Cl.
CPC ...
A24F 47/004 (2013.01); A24B 15/165 (2013.01); C10L 5/00 (2013.01);
Abstract
A composite heat source for use in a smoking article is provided, including a non-combustible porous ceramic matrix; and a particulate combustible fuel embedded within the non-combustible porous ceramic matrix. The non-combustible porous ceramic matrix is formed from one or more particulate materials having a median D50 particle size at least five times less than the median D50 particle size of the particulate combustible fuel. Preferably, the non-combustible porous ceramic matrix includes one or more transition metal oxides.