Thermally activated strong acids
US11603491B2 · kind B2 · utility
1Cited by
16References
19Claims
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Key dates
| Filing date | Sep 23, 2021 |
| Grant date | Mar 14, 2023 |
| Priority date | — |
| Expiry date | Sep 23, 2041 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/25
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An acid-generating fluid includes a thermally activated strong acid precursor. The thermally activated strong acid precursor can include a component selected from aldehydes, ketones, and combinations thereof, in combination with a precursor of a compound adapted to react to liberate sulfur dioxide; or it can include sulfur dioxide in combination with a precursor of a compound adapted to react to liberate a component selected from aldehydes, ketones, and combinations thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.