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:
Aug. 13, 2024
Filed:
Mar. 08, 2021
Applicant:
Kt&g Corporation, Daejeon, KR;
Inventors:
Assignee:
KT&G CORPORATION, Daejeon, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24D 3/10 (2006.01); A24D 3/04 (2006.01); A24D 3/06 (2006.01); A24D 3/14 (2006.01);
U.S. Cl.
CPC ...
A24D 3/10 (2013.01); A24D 3/048 (2013.01); A24D 3/067 (2013.01); A24D 3/14 (2013.01);
Abstract
Provided herein are a smoking article filter and a smoking article including the same. The filter according to some embodiments of the present disclosure includes a filter plug including a filter material and a liquid material added to the filter plug. Here, a molecular weight of a hydrophilic group of the filter material may be larger than or equal to a molecular weight of a hydrophobic group thereof, and in this case, changes in physical properties of the filter due to adding the liquid material may be minimized.