Title:
LAUNDRY SHEET AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/194297
Kind Code:
A1
Abstract:
The present invention provides a laundry sheet and a preparation method therefor, the laundry sheet being prepared using a polyvinyl alcohol or a polyvinyl alcohol-based copolymer, containing a surfactant and comprising a protease, wherein the surfactant comprises a main surfactant and an auxiliary surfactant, the main surfactant comprises a first main surfactant and a second main surfactant, the first main surfactant and the second main surfactant comprise two or more types of C8-18 alkyl sulfate alkali metal salts that differ from each other, and the auxiliary surfactant comprises two or more types of surfactants that differ from each other, one being a fatty acid alkyl ester alkoxylate and the other being a nonionic surfactant.
Inventors:
LEE JUNG KYU (KR)
YONG GA EUN (KR)
WU KAI WEI (CN)
YONG GA EUN (KR)
WU KAI WEI (CN)
Application Number:
PCT/KR2021/003763
Publication Date:
September 30, 2021
Filing Date:
March 26, 2021
Export Citation:
Assignee:
NEXTUP CO LTD (KR)
International Classes:
C11D17/06; C11D1/29; C11D1/83; C11D3/37; C11D3/386
Foreign References:
| KR20190126733A | 2019-11-12 | |||
| KR930002844A | 1993-02-23 | |||
| JP2002339000A | 2002-11-27 | |||
| KR101146292B1 | 2012-05-21 | |||
| JP2001262197A | 2001-09-26 |
Attorney, Agent or Firm:
HAEDAM IP GROUP (KR)
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