Title:
SPRAY TYPE LIQUID BANDAGE AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/133629
Kind Code:
A1
Abstract:
A spray type liquid bandage, comprising the following components in parts by weight: 20-30 parts of ethyl cellulose, 6-10 parts of carboxymethyl chitosan, 3-5 parts of a polyvinylpyrrolidone-vinyl acetate copolymer, 15-25 parts of ethanol, 20-25 parts of ethyl acetate, 25-40 parts of diacetone alcohol, 5-15 parts of isooctane, 5-15 parts of n-hexane, 5-15 parts of n-heptane, 1-5 parts of sodium dodecyl sulfate, 1-5 parts of Tween, 0.5-1.5 parts of glycerol, and 25-35 parts of distilled water. The ethyl cellulose, carboxymethyl chitosan and polyvinylpyrrolidone-vinyl acetate copolymer are used in combination as film-forming materials, and volatile solvent combinations and volatile aid combinations are used, and sodium dodecyl sulfate and Tween are used as surface tension modifiers, so that the formed film has good flexibility and elasticity, low bonding, low surface tension and good moisture retention.
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Inventors:
WU KE (CN)
Application Number:
PCT/CN2020/137864
Publication Date:
June 30, 2022
Filing Date:
December 21, 2020
Export Citation:
Assignee:
JIANGSU QILIKANG SKIN PHARMACEUTICAL CO LTD (CN)
International Classes:
A61F13/00; A61L15/28; A61L15/16; A61L26/00
Domestic Patent References:
| WO2007056066A2 | 2007-05-18 |
Foreign References:
| CN102772801A | 2012-11-14 | |||
| CN110559475A | 2019-12-13 | |||
| CN108135745A | 2018-06-08 | |||
| CN103796682A | 2014-05-14 | |||
| CN103842456A | 2014-06-04 | |||
| CN105816908A | 2016-08-03 | |||
| CN108738309A | 2018-11-02 |
Attorney, Agent or Firm:
CHINA FARFIR INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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