Amine oxide foam stabilizers for alkyl benzene sulfonate foaming agents
US4263177A · kind A · utility
8Cited by
6References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 1979 |
| Grant date | Apr 21, 1981 |
| Priority date | — |
| Expiry date | Jun 27, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/75
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is an amine oxide foam stabilizer for stabilizing a foam of an alkyl benzene sulfonate foaming agent, wherein said amine oxide foam stabilizer is represented by the following general structure: ##STR1## where, R.sub.1 is a C.sub.4 -C.sub.11 alkyl group PA1 R.sub.2 is a C.sub.2 -C.sub.4 alkylene group PA1 R.sub.3, R.sub.4 each, independently, is a C.sub.1 -C.sub.4 hydroxyalkyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.