Asphalt composition comprising bismaleimides
US6486236B2 · kind B2 · utility
11Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2000 |
| Grant date | Nov 26, 2002 |
| Priority date | — |
| Expiry date | Dec 28, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L9/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A rubber-modified asphalt composition is provided. The rubber includes at least a polydiene and may further include vinyl-substituted aromatic hydrocarbon monomer contributed units. The rubber is cured by a bismaleimide. The present composition demonstrates improvements in the softening point of the asphalt composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.