Bitumen-polymer mixtures and a process for their preparation
US5225462A · kind A · utility
5Cited by
6References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 24, 1992 |
| Grant date | Jul 6, 1993 |
| Priority date | — |
| Expiry date | Jan 24, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L95/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for preparing bituminous mixtures with added thermoplastic polymer is described, the mixtures having storage stability and improved general properties. The process consists of treating the bitumen-polymer mixtures with an unsaturated dicarboxylic aliphatic acid or with the relative anhydride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.