Bituminous product and process for preparing it
US6808558B2 · kind B2 · utility
4Cited by
5References
13Claims
0Family size
Inventors
Key dates
| Filing date | Jun 13, 2003 |
| Grant date | Oct 26, 2004 |
| Priority date | — |
| Expiry date | Jun 13, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L95/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The subject of the present invention is a process for preparing a bituminous product, characterized in that a compound based on a phosphoric or polyphosphoric acid supported on a mineral oxide of high porosity is used. The subject of the invention is also the bituminous product that can be obtained by the above process, and its uses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.