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:
Dec. 04, 2007
Filed:
Oct. 18, 2000
Applicants:
Masato Shigematsu, Sakai, JP;
Tohru Shibata, Himeji, JP;
Shoichi Tokutake, Noda, JP;
Fumio Yamaguchi, Noda, JP;
Norikazu Fujii, Noda, JP;
Inventors:
Masato Shigematsu, Sakai, JP;
Tohru Shibata, Himeji, JP;
Shoichi Tokutake, Noda, JP;
Fumio Yamaguchi, Noda, JP;
Norikazu Fujii, Noda, JP;
Assignee:
Daicel Chemical Industries, Ltd., Sakai-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A24D 3/08 (2006.01); A61K 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
To a constitutive element of a tobacco (a leaf-tobacco component or a filter) is added a proanthocyanidin or a proanthocyanidin-carrying porous material (such as an active carbon) to obtain an element for tobacco smoke. The proanthocyanidin may be at least one extract selected from a grape seed or pip, a grape rind or pericarp and squeezed dregs of a grape fruit.