Mixed alkyl esters of interpolymers for use in crude oils
US4284414A · kind A · utility
20Cited by
5References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 14, 1980 |
| Grant date | Aug 18, 1981 |
| Priority date | — |
| Expiry date | Oct 14, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L1/208
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Mixed alkyl esters made by reacting a mixture of two or more of certain monohydric alcohols with interpolymers derived from (i) .alpha.,.beta.-unsaturated dicarboxylic acids or derivatives thereof and (ii) vinyl aromatic monomers having up to 12 carbon atoms are useful modifiers for crude oils.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.