Hyperbranched polyesters and polycarbonates as demulsifiers for cracking crude oil emulsions
US8618180B2 · kind B2 · utility
3Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2009 |
| Grant date | Dec 31, 2013 |
| Priority date | — |
| Expiry date | Dec 18, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2300/1033
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to the use of nondendrimeric, high-functionality hyperbranched polyesters and polycarbonates which are obtainable by reacting
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.