Delayed gelling agents
US11186765B2 · kind B2 · utility
2Cited by
7References
20Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 5, 2018 |
| Grant date | Nov 30, 2021 |
| Priority date | — |
| Expiry date | May 17, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The disclosure is directed to polyelectrolyte complex nanoparticles that can be used to deliver agents deep into hydrocarbon reservoirs. Methods of making and using said polyelectrolyte complex nanoparticles are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.