Title:
CIGARETTE FILTER INCLUDING LYOCELL TOW
Document Type and Number:
WIPO Patent Application WO/2023/106644
Kind Code:
A1
Abstract:
Provided is a cigarette filter that comprises a lyocell tow composed of a plurality of lyocell fibers and a binder bonding the lyocell fibers to each other and which has a hardness of 85% or greater. The cigarette filter according to an embodiment of the present invention has a hardness of 80% or greater even 5 minutes after 20 parts by weight to 25 parts by weight of water is introduced thereinto on the basis of 100 parts by weight of lyocell tow. The cigarette filter according to an embodiment of the present invention has a moisture disintegration rate of 7% or less. The cigarette filter according to an embodiment of the present invention overcomes the material problems retained by the conventional lyocell tow and has high hardness and low moisture disintegration.
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Inventors:
YANG JIN CHUL (KR)
MA KYENG BAE (KR)
AHN KI JIN (KR)
CHEONG BONG SU (KR)
HA SUNG HOON (KR)
JEONG JONG CHEOL (KR)
JIN SANG WOO (KR)
LEE JEONG HUN (KR)
SEO SEUNG DONG (KR)
HWANG YEONG NAM (KR)
MA KYENG BAE (KR)
AHN KI JIN (KR)
CHEONG BONG SU (KR)
HA SUNG HOON (KR)
JEONG JONG CHEOL (KR)
JIN SANG WOO (KR)
LEE JEONG HUN (KR)
SEO SEUNG DONG (KR)
HWANG YEONG NAM (KR)
Application Number:
PCT/KR2022/017175
Publication Date:
June 15, 2023
Filing Date:
November 03, 2022
Export Citation:
Assignee:
KT & G CORP (KR)
KOLON INC (KR)
KOLON INC (KR)
International Classes:
A24D3/06; A24D3/08; A24D3/10
Foreign References:
| KR20150116612A | 2015-10-16 | |||
| KR20210127243A | 2021-10-21 | |||
| KR20160048738A | 2016-05-04 | |||
| US20190045838A1 | 2019-02-14 | |||
| US20160270437A1 | 2016-09-22 | |||
| KR20210173488A | ||||
| KR20150035800A | 2015-04-07 |
Attorney, Agent or Firm:
HAN, Sang Wook (KR)
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