Method for enhancing the physico-chemical properties of bitumen compositions and novel bitumen compositions with enhanced properties and their uses
US7335251B2 · kind B2 · utility
2Cited by
7References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2003 |
| Grant date | Feb 26, 2008 |
| Priority date | — |
| Expiry date | Jan 26, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/36
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention concerns method for enhancing the physico-chemical properties of bitumen compositions and novel bitumen compositions with enhanced properties and their uses by mixing a functionalized amorphous silica made by combining amorphous silica with a coupling agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.