Method of reducing the viscosity of hydrocarbon fluids
US8394872B2 · kind B2 · utility
8Cited by
0References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2009 |
| Grant date | Mar 12, 2013 |
| Priority date | — |
| Expiry date | Feb 7, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/588
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for reducing the viscosity of a hydrocarbon fluid encountered in petroleum operations is disclosed. The method includes contacting the hydrocarbon fluid with an effective amount of a composition comprising at least one polymer having at least 25 mole percent cationic monomers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.