C.sub.7 -C.sub.12 diol and diol alkoxylates as coupling agents for surfactant formulations
US5977189A · kind A · utility
2Cited by
22References
11Claims
0Family size
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Key dates
| Filing date | Jul 25, 1997 |
| Grant date | Nov 2, 1999 |
| Priority date | — |
| Expiry date | Jul 25, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S516/92
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed are stable monophasic liquid compositions comprising water, one or more cationic, anionic, amphoteric and/or nonionic surfactants, exhibiting partial solubility in water or in concentrated formulations, and one or more coupling agents which are C.sub.7 -C.sub.12 alkane substituted with two hydroxyl groups or alkoxylates thereof with up to 20 moles of one or more of ethylene oxide, propylene oxide and/or butylene oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.