Environmentally improved asphalt compositions and their preparation
US5961709A · kind A · utility
29Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 1998 |
| Grant date | Oct 5, 1999 |
| Priority date | — |
| Expiry date | Feb 19, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L95/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An environmentally improved asphalt paving composition which contains a solvent-precipitated asphaltene, such as solvent deasphalting bottoms, and a viscosity reducing amount of paraffinic fluxing component, e.g., 325 Neutral Oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.