Process for the preparation of polyoxyalkylated amines
US5629452A · kind A · utility
2Cited by
3References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1994 |
| Grant date | May 13, 1997 |
| Priority date | — |
| Expiry date | Dec 5, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/16
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of polyoxyalkylated compounds comprising at least one primary or secondary amine function is provided comprising reacting at least one amino-alcoholate (B) produced from an amino-alcohol (A) including at least one OH group and at least one primary or secondary amine function, by replacing a fraction or all the OH groups by OM groups, M being selected from sodium, potassium, rubidium and cesium, with an oxirane, a mixture of oxiranes or a sequence of oxiranes, in an aprotic and anhydrous solvent, in an anhydrous atmosphere and at a temperature of between about 0.degree. C. and 200.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.