Detergent production
US5466851A · kind A · utility
6Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 1993 |
| Grant date | Nov 14, 1995 |
| Priority date | — |
| Expiry date | Dec 14, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/721
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method of preparing PAS acid is disclosed which involves sulphating an alcohol feedstock and incorporating in the reaction product, a stabilizing agent which comprises an (hydroxy) alkylene oxide residue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.