Enhanced oilfield swellable elastomers and methods for making and using same
US9758658B2 · kind B2 · utility
5Cited by
0References
13Claims
0Family size
Inventors
Key dates
| Filing date | Oct 4, 2012 |
| Grant date | Sep 12, 2017 |
| Priority date | — |
| Expiry date | Oct 4, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2333/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Swellable elastomeric compositions including an elastomer, a covalent crosslinking system and an ionic crosslinking system, where the composition have improved rate of swelling in water, brines and aqueous solutions, swellability, and/or physical properties of the compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.