Friction reducing
US3943060A · kind A · utility
56Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 26, 1974 |
| Grant date | Mar 9, 1976 |
| Priority date | — |
| Expiry date | Jul 26, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/0391
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Use of poly (dimethylaminomethyl acrylamide) as a friction reducer for aqueous fluids flowing through a conduit, especially for the aqueous hydraulic fracturing of subterranean formations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.