Title:
LOW-SUBSTITUTED CARBOXYMETHYL CELLULOSE SHEET MASK WITH IMPROVED ADHESION, AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/225218
Kind Code:
A1
Abstract:
The present invention relates to a low-substituted carboxymethyl cellulose sheet mask with improved adhesion, and a manufacturing method therefor, the sheet mask being manufactured by immersing regenerated cellulose nonwoven fabric in an alkaline solution so as to pad same, and reacting same with a carboxymethylating agent. The low-substituted carboxymethyl cellulose sheet mask with improved adhesion, according to the present invention, satisfies formula 1 in an adhesion test in which same is immersed in water. Formula 1 : 1.58 ≥ d2 / d1
Inventors:
LEE KWON SUN (KR)
CHOI BOO KI (KR)
LEE SEUNG KWAN (KR)
KIM KYUNG HAK (KR)
CHOI BOO KI (KR)
LEE SEUNG KWAN (KR)
KIM KYUNG HAK (KR)
Application Number:
PCT/KR2020/008769
Publication Date:
November 11, 2021
Filing Date:
July 06, 2020
Export Citation:
Assignee:
CELL BIO HUMAN TECH CO LTD (KR)
International Classes:
A61K8/02; A45D44/00; D04H1/4258
Foreign References:
| JP2019031634A | 2019-02-28 | |||
| KR20180073172A | 2018-07-02 | |||
| KR20150131474A | 2015-11-25 | |||
| JP2015070944A | 2015-04-16 | |||
| KR20150030699A | 2015-03-20 |
Attorney, Agent or Firm:
PATENT LAW FIRM GRANDKOREA (KR)
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