Dispersing additive for asphaltenes and its uses
US10611972B2 · kind B2 · utility
0Cited by
8References
20Claims
0Family size
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Key dates
| Filing date | Apr 7, 2016 |
| Grant date | Apr 7, 2020 |
| Priority date | — |
| Expiry date | Jun 24, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2300/206
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Use of an alkylphenol-aldehyde resin modified by at least one alkylamine in a composition of crude oils or in a product derived from a composition of crude oils as dispersing additive for asphaltenes. Process for the treatment of a composition of crude oils or a derived product which makes it possible to prevent the precipitation of asphaltenes, in particular in crude oils and the products which result therefrom by refining and/or extraction processes. Bituminous compositions including an alkylphenol-aldehyde resin modified by at least one alkylamine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.