Title:
LYOCELL MATERIAL WITH MODIFIED CROSS SECTION, CIGARETTE FILTER, AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/128523
Kind Code:
A1
Abstract:
The present application relates to a lyocell material with a modified cross section, a cigarette filter including the lyocell material, and a manufacturing method therefor. The lyocell material and the cigarette filter including same replace conventional cellulose acetate materials and filters, and provide excellent filter manufacturing processability and excellent tobacco properties (e.g., pressure drop) in addition to being superb in biodegradability.
Inventors:
JIN SANG WOO (KR)
JEONG JONG CHEOL (KR)
LEE JEONG HUN (KR)
SEO SEUNG DONG (KR)
HWANG YEONG NAM (KR)
MA KYENGBAE (KR)
YANG JIN-CHUL (KR)
CHEONG BONG SU (KR)
HA SUNGHOON (KR)
JEONG JONG CHEOL (KR)
LEE JEONG HUN (KR)
SEO SEUNG DONG (KR)
HWANG YEONG NAM (KR)
MA KYENGBAE (KR)
YANG JIN-CHUL (KR)
CHEONG BONG SU (KR)
HA SUNGHOON (KR)
Application Number:
PCT/KR2022/021314
Publication Date:
July 06, 2023
Filing Date:
December 26, 2022
Export Citation:
Assignee:
KOLON INC (KR)
KT & G CORP (KR)
KT & G CORP (KR)
International Classes:
A24D3/06; A24D3/08; B01D39/18; D01D5/06; D01D5/22; D01F2/00
Foreign References:
| KR20160081726A | 2016-07-08 | |||
| US20210315255A1 | 2021-10-14 | |||
| US20210244088A1 | 2021-08-12 | |||
| KR20170075849A | 2017-07-04 | |||
| KR20070039547A | 2007-04-12 |
Attorney, Agent or Firm:
Y.P. LEE, MOCK & PARTNERS (KR)
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