Sulfuric acid ester or salt thereof, and surfactant
US11072580B2 · kind B2 · utility
2Cited by
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7Claims
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Key dates
| Filing date | Sep 29, 2017 |
| Grant date | Jul 27, 2021 |
| Priority date | — |
| Expiry date | Apr 18, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/146
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A sulfuric acid ester containing a plurality of carbonyl groups or a salt thereof, and a surfactant. The sulfuric acid ester is a compound represented by the following formula: R1—C(═O)—R2—C(═O)—R3—OSO3X
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.