Minimization of volatile organic sulphur byproducts in dimethyl sulfate quaternization of amines made with hypophorous acid
US7326814B2 · kind B2 · utility
1Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2003 |
| Grant date | Feb 5, 2008 |
| Priority date | — |
| Expiry date | Mar 17, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C213/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the minimization of volatile organic sulphur byproducts in dimethyl sulfate quaternization of amines made with hypophosphorous acid, which leads to the formation of an odor stable product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.