Process for making ether sulfonates
US4091014A · kind A · utility
13Cited by
1References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1976 |
| Grant date | May 23, 1978 |
| Priority date | — |
| Expiry date | Dec 1, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C309/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Covers a method of sulfonating organic alcohols to prepare ether sulfonates thereof by reacting said organic alcohol compound with a hydroxy-containing alkyl sulfonic salt thereof under carefully controlled conditions comprising use of a vacuum less than about 300 mm of mercury, while for at least the majority of the reaction period dispersing through the liquid reaction mass an inert gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.