Hydrocarbon-containing carboxylic acid, hydrocarbon-containing sulfonic acid, hydrocarbon-containing sulfuric acid ester or salt thereof, and surfactant
US11198670B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2017 |
| Grant date | Dec 14, 2021 |
| Priority date | — |
| Expiry date | Sep 29, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K3/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention provides a novel hydrocarbon-containing carboxylic acid, hydrocarbon-containing sulfonic acid, hydrocarbon-containing sulfuric acid ester, or a salt thereof, and a surfactant. Each of them is a compound represented by the following formula (1): CR1R2R4—CR3R5—X-A wherein R1 to R5 are each H or a monovalent substituent; at least one of R1 or R3 is a group represented by the formula: —Y—R6; at least one of R2 or R5 is a group represented by the formula: —X-A or a group represented by the formula: —Y—R6; and As at the respective appearances are the same as or different from each other, and are each —COOM, —SO3M, or —OSO3M.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.