Concentrated suspensions
US7199084B2 · kind B2 · utility
9Cited by
29References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2002 |
| Grant date | Apr 3, 2007 |
| Priority date | — |
| Expiry date | Feb 20, 2024 |
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 thixotropic agents and, optionally, 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.