Asphalt compositions containing anti-stripping additives prepared from amines or polyamines and phosphonates
US4895600A · kind A · utility
6Cited by
9References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 1988 |
| Grant date | Jan 23, 1990 |
| Priority date | — |
| Expiry date | Jul 28, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/5353
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Asphalt compositions are improved by incorporating therein the reaction produce of (a) a phosphorus-containing compound, (b) an amine or polyamine and (c) a carbonyl-containing compound as an anti-stripping agent. These asphalt compositions are useful as a pavement material by blending with an aggregate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.