Bitumens comprising unconventional bitumen bases
US12049591B2 · kind B2 · utility
0Cited by
4References
17Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 24, 2021 |
| Grant date | Jul 30, 2024 |
| Priority date | — |
| Expiry date | Dec 22, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10C3/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Between 40% and 75% by weight of a first bitumen base B1 an asphalt obtained by a solvent deasphalting of a first vacuum residue R1 resulting from the distillation of an effluent hydroconverted by a process for the ebullated bed hydroconversion of a heavy hydrocarbon feedstock, and
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.