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:
Jan. 13, 2026
Filed:
Apr. 21, 2022
Kt&g Corporation, Daejeon, KR;
Kyung Bin Jung, Daejeon, KR;
Ick Joong Kim, Daejeon, KR;
Geon Chang Lee, Daejeon, KR;
Eun Mi Jeoung, Daejeon, KR;
Min Hee Hwang, Daejeon, KR;
KT&G CORPORATION, Daejeon, KR;
Abstract
A tobacco extract sheet, a method of producing the same, and a smoking article including the same are provided. The tobacco extract sheet according to some embodiments of the present disclosure may be produced from a sheet-producing liquid which includes a first tobacco extract solution, a second tobacco extract solution, and a sheet-forming agent, wherein the first tobacco extract solution may include water as an extraction solvent, and the second tobacco extract solution may include a material other than water as an extraction solvent. The tobacco extract sheet produced in this way may be applied to a smoking article and may significantly improve persistence of a tobacco smoke taste of the smoking article.