Asphalt compositions containing anti-stripping additives prepared from amines or polyamines and phosphonates
US4786329A · kind A · utility
7Cited by
44References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 1987 |
| Grant date | Nov 22, 1988 |
| Priority date | — |
| Expiry date | Sep 9, 2007 |
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 product 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.