Use of a very hard asphalt binder in the preparation of a road asphalt intended in particular for road bed foundations
US5759250A · kind A · utility
8Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1996 |
| Grant date | Jun 2, 1998 |
| Priority date | — |
| Expiry date | Aug 26, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L95/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The use of an asphalt having a penetrability at 25.degree. C. from 0 to 20 in the preparation of a road asphalt (i.e. a mixture of asphalt and mineral aggregate) intended in particular for building and strengthening roadbeds. Wherein, the asphalt content of the road asphalt is higher than 6 wt %. Also the road asphalt having such composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.