Asphalt composition
US11518885B1 · kind B1 · utility
0Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2021 |
| Grant date | Dec 6, 2022 |
| Priority date | — |
| Expiry date | May 14, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L95/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to an asphalt composition containing asphalt and a polyester, the polyester containing a constitutional unit derived from an alcohol component containing 50% to 99% by mole of an aliphatic diol having 4 to 12 carbon atoms (A) and 1% to 50% by mole of an alkylene oxide adduct of bisphenol A (B), and a constitutional unit derived from a carboxylic acid component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.