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:
Jun. 10, 2014
Filed:
Jun. 16, 2011
Applicants:
Takashi Hasegawa, Tokyo, JP;
Hiroyuki Torai, Tokyo, JP;
Inventors:
Takashi Hasegawa, Tokyo, JP;
Hiroyuki Torai, Tokyo, JP;
Assignee:
Japan Tobacco Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24D 3/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cigarette filter includes a filter body and flavor granules added to the filter body, wherein the flavor granules each comprise a core material and a flavor-carrying carrier adhered to the surface of the core material, and wherein the flavor granules have a grain size distribution such that granules having a grain size of 100 μm or larger make up 99% by mass or more of the flavor granules and granules having a grain size of 200 μm or larger make up 70% by mass or more of the flavor granules.