Precipitation promoter and precipitation method in which same is used
US10464966B2 · kind B2 · utility
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9References
37Claims
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Key dates
| Filing date | Jul 20, 2017 |
| Grant date | Nov 5, 2019 |
| Priority date | — |
| Expiry date | Sep 26, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Precipitation promoters, which are an organic compound having one or more linear aliphatic hydrocarbon groups having not less than 10 carbon atoms, wherein the aliphatic hydrocarbon group has not less than 20 carbon atoms in total are useful for precipitating an organic compound protected by an organic group having one or more aliphatic hydrocarbon groups having not less than 10 carbon atoms from a solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.