Hydrotropic composition and its uses
US11697772B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Mar 31, 2021 |
| Grant date | Jul 11, 2023 |
| Priority date | — |
| Expiry date | May 22, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C279/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Hydrotropic composition comprising at least one surface active cationic component, which is selected from a group of cholinium, guadinium or tetramethylguadinium, preferably cholinium, and a straight or branched carboxylate anion having at least six carbon atoms; and its uses, for treating of oil sands or the like, for treating tailings from separation of bitumen, asphaltenes or the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.