Title:
THICKENING AGENT FOR WELL ACID TREATMENT LIQUIDS AND WELL ACID TREATMENT LIQUID USING SAME
Document Type and Number:
WIPO Patent Application WO/2022/124287
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a thickening agent for well acid treatment liquids, said thickening agent having excellent hydrolysis resistance and high thickening properties, by applying a thickening agent (X) for well acid treatment liquids, said thickening agent (X) containing a surfactant (a) represented by general formula (1). Chemical formula 1 (In the formula, R1 represents an alkyl group having from 12 to 22 carbon atoms or an alkenyl group having from 12 to 22 carbon atoms; each of R2 and R3 independently represents an alkyl group having from 1 to 3 carbon atoms or a hydroxyalkyl group having from 1 to 3 carbon atoms; X represents a linear hydroxyalkylene group having 3 carbon atoms or a branched hydroxyalkylene group having 3 carbon atoms; and Y- represents SO3
-.)
Inventors:
MIYAMOTO SOU (JP)
HASHIMOTO NAOYA (JP)
KANESHIMA TAKUMA (US)
HASHIMOTO NAOYA (JP)
KANESHIMA TAKUMA (US)
Application Number:
PCT/JP2021/044838
Publication Date:
June 16, 2022
Filing Date:
December 07, 2021
Export Citation:
Assignee:
SANYO CHEMICAL IND LTD (JP)
KURARAY CO (JP)
KURARAY CO (JP)
International Classes:
C09K8/035; C09K8/584; C09K8/68
Foreign References:
| CN106634938A | 2017-05-10 | |||
| CN102690644A | 2012-09-26 | |||
| CN109181672A | 2019-01-11 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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