Methods and compositions for reduction of drag in hydrocarbon fluids
US4983186A · kind A · utility
24Cited by
6References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 1989 |
| Grant date | Jan 8, 1991 |
| Priority date | — |
| Expiry date | Jul 18, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/0391
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for reducing friction loss in flowing hydrocarbon fluids is disclosed. The method comprises adding to the fluid an effective amount of an oil-soluble polyamine and a terpolymer of styrene, alkyl acrylate and a carboxylic acid selected from the group consisting of acrylic acid and methacrylic acid. Related compositions are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.