Process for reducing residual raw material impurities in tertiary amine oxides
US6054616A · kind A · utility
0Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 1999 |
| Grant date | Apr 25, 2000 |
| Priority date | — |
| Expiry date | Mar 26, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C291/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The claimed process consists in treating the tertiary amine oxide with a sulphite or a bleach activator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.