Concentrated suspensions
US7304019B2 · kind B2 · utility
7Cited by
31References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 2006 |
| Grant date | Dec 4, 2007 |
| Priority date | — |
| Expiry date | May 31, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/64
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Suspensions are provided of water-soluble materials in non-aqueous carrier fluids using suspension agents that include organophilic clays. Methods of forming such suspensions are provided. Methods are also provided for using such suspensions to prepare aqueous solutions, in particular thickened aqueous solutions, in particular for use in oilfield treatments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.