Aliphatic polycarbonate-based surface active agents
US10011758B2 · kind B2 · utility
1Cited by
7References
16Claims
0Family size
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Key dates
| Filing date | Aug 26, 2014 |
| Grant date | Jul 3, 2018 |
| Priority date | — |
| Expiry date | Nov 6, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/54
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention encompasses surface active agents useful in liquid or supercritical CO2 applications. The surface active agents comprise compounds containing a hydrocarbon segment and an aliphatic polycarbonate segment: The invention also provides methods of making the surface active agents and of using them in supercritical CO2 applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.