Hydrolysis resistant organomodified disiloxane surfactants
US7507775B2 · kind B2 · utility
22Cited by
13References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2005 |
| Grant date | Mar 24, 2009 |
| Priority date | — |
| Expiry date | Jul 23, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q15/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disiloxane compounds of the formulaMM′Where M comprises either branched allyl hydrocarbon substituents or silanyl substituents and M′ comprises an alkylpolyalkyleneoxide substituent. The disiloxane compounds of the invention exhibit an enhanced resistance to hydrolysis outside a pH range ranging from 6 to 7.5, and are useful as surfactants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.