Production of ampho-ionic compounds
US4238609A · kind A · utility
2Cited by
1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 1978 |
| Grant date | Dec 9, 1980 |
| Priority date | — |
| Expiry date | Dec 4, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D295/088
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Ampho-ionic compounds of the formula ##STR1## wherein, for example, R is CH.sub.2 .dbd.C(CH.sub.3)--COOCH.sub.2 --, R.sub.2 is hydrogen and B.sup..sym. is --N.sup..sym. --(CH.sub.3).sub.2 C.sub.12 H.sub.25, are prepared by reacting an oxirane compound with sulfur dioxide and a tertiary amine. These ampho-ionic compounds are useful as, for example, surfactants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.