Asphalt compositions containing solvent deasphalted bottoms and rerefined lube oil bottoms, and their preparation
US6048447A · kind A · utility
9Cited by
12References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 1998 |
| Grant date | Apr 11, 2000 |
| 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 asphalt composition is provided which contains i) an asphalt component containing solvent-deasphalted bottoms, ii) a rerefined lube bottoms fraction, iii) an optional fluxing component, and iv) an optional vacuum bottoms component. The invention further relates to a method of preparing the asphalt composition and a paving composition containing same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.