Additives for crude oils
US8123930B2 · kind B2 · utility
10Cited by
20References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2006 |
| Grant date | Feb 28, 2012 |
| Priority date | — |
| Expiry date | Nov 10, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2030/24
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention thus provides crude oils and products which have been produced therefrom and comprise distillation residues, comprising at least one alkylphenol-aldehyde resin having a repeat structural unit of the formulawhere
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.