Title:
WASHING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/008587
Kind Code:
A1
Abstract:
Provided is a washing method having a contact step for bringing a cleaning solution into contact with a fiber product, wherein the cleaning solution contains component (A): a linear alkyl benzenesulfonic acid or a salt thereof, component (B): a polyoxyalkylene alkyl ether sulfuric acid or a salt thereof, and component (C): a non-ionic surfactant having a specific structure; the concentration of the component (A) is 75 ppm or greater by mass; the concentration of the component (B) is 95 ppm or greater by mass; the concentration of the component (C) is 35 ppm or greater by mass; the mass ratio represented by [component (A) content]/[component (B) content] in the cleaning solution is from 0.8-1.6; and in the contact step, the contact time for which the cleaning solution and the fiber product are brought into contact with one another is 10 minutes or greater.
Inventors:
KURODA AKINOBU (JP)
NISHIYAMA YUKI (JP)
OTAKE KEIKO (JP)
NISHIYAMA YUKI (JP)
OTAKE KEIKO (JP)
Application Number:
PCT/JP2022/029463
Publication Date:
February 02, 2023
Filing Date:
August 01, 2022
Export Citation:
Assignee:
LION CORP (JP)
International Classes:
C11D1/83; C11D1/14; C11D1/29; C11D1/722; D06L1/12
Foreign References:
| JP2017534730A | 2017-11-24 | |||
| JP2018188785A | 2018-11-29 | |||
| JP2020041074A | 2020-03-19 | |||
| JP2016538412A | 2016-12-08 |
Attorney, Agent or Firm:
TAZAKI Akira et al. (JP)
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