Anionic surfactants having multiple hydrophobic and hydrophilic groups
US6121222A · kind A · utility
4Cited by
45References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 1996 |
| Grant date | Sep 19, 2000 |
| Priority date | — |
| Expiry date | Dec 27, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/347
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A novel class of anionic surfactants with improved surfact active properties is comprised of two hydrophilic and two hydrophobic groups represented by the formula: ##STR1## The surfactants exhibit unusually low critical micelle concentration (cmc) and pC-20 values in aqueous media.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.