Hydrophilic silicones
US8158740B2 · kind B2 · utility
1Cited by
13References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 5, 2010 |
| Grant date | Apr 17, 2012 |
| Priority date | — |
| Expiry date | Jun 21, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/0876
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for producing a soluble silicone product is provided. The process includes the steps of chemically reacting a polydialkoxysiloxane with an aliphatic alcohol with or without a catalyst in a reaction mixture, removing produced alcohol from the mixture; recovering the water soluble portion of produced silicone product, purifying the water soluble portion; and recovering hydrophilic material in the water insoluble portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.