Chemically modified asphalt compositions
US4166752A · kind A · utility
27Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 18, 1977 |
| Grant date | Sep 4, 1979 |
| Priority date | — |
| Expiry date | Nov 18, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2933
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Chemically modified asphalt compositions prepared by reaction of asphalt with ammonia, a polyamine or an aromatic diamine. The chemically modified asphalt compositions of this invention are particularly well suited for use in the treatment of glass fibers as reinforcement for asphalt matrices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.