Amine oxide process
US4994614A · kind A · utility
9Cited by
5References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 1987 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | Dec 28, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C291/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Tert-amine oxides that are substantially free of nitrosamines are made by reacting a tert-amine, e.g., dodecyl dimethylamine, with aqueous hydrogen peroxide in the presence of the synergistic combination of (a) ascorbic acid and (b) a promoter formed from carbon dioxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.