Emulsions containing water-soluble acid retarding agents and methods of making and using
US11091689B2 · kind B2 · utility
3Cited by
17References
6Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 30, 2016 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | Aug 30, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/27
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Described herein is a multi-phase aqueous composition containing a surfactant; a first phase comprising water, an acid, and a water-soluble acid retarding agent; and a second phase selected from the group consisting of an immiscible organic phase, a gas, and combinations thereof. Further described are methods of making and using such compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.