Bitumen which is solid at ambient temperature
US11242287B2 · kind B2 · utility
0Cited by
4References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 5, 2017 |
| Grant date | Feb 8, 2022 |
| Priority date | — |
| Expiry date | Feb 27, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2555/24
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Bitumen pellets including a core and a coating layer, in which: the core includes at least one bitumen base, and the coating layer includes at least one fumed silica compound. Process for manufacturing bitumen pellets and also their use as road binder, in particular for the manufacture of bitumen mixes. Process for manufacturing bitumen mixes from bitumen pellets and also a process for transporting and/or storing and/or handling bitumen pellets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.