Resin coated proppants with antimicrobial additives
US10208241B2 · kind B2 · utility
6Cited by
13References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 2016 |
| Grant date | Feb 19, 2019 |
| Priority date | — |
| Expiry date | May 13, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/412
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Proppants are used in oil and gas extraction, particularly in fracking operations. The invention relates to resin coated proppants. The coatings on proppants have antimicrobial materials incorporated within these coatings. The antimicrobially active agents are incorporated in a concentration less than 20% by weight of the coatings or the active agent from these coatings can be released from these coatings in the environment of the proppants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.