Compositions for, solutions for, and methods of use of siloxane based aromatic trisureas as viscosifiers
US9957438B2 · kind B2 · utility
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6References
20Claims
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Key dates
| Filing date | Jan 26, 2016 |
| Grant date | May 1, 2018 |
| Priority date | — |
| Expiry date | Aug 11, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/82
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A compound represented by the following formula is provided:Also provided is a solution including a compound disclosed herein, a volume of dense carbon dioxide (CO2), and a co-solvent, where the solution has an increased viscosity greater than the viscosity of dense CO2. Methods of increasing the viscosity of dense CO2 and natural gas liquids (NGLs) by, for example, dissolving a compound disclosed herein to form a solution, are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.