Asphalt products and methods of producing them for rejuvenation and softening of asphalt
US11370918B2 · kind B2 · utility
3Cited by
30References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 24, 2020 |
| Grant date | Jun 28, 2022 |
| Priority date | — |
| Expiry date | May 30, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A30/30
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention relates to relates to a method of producing an improved asphalt. This method includes providing an asphalt binder and providing a compound of formula (I): as described herein. The asphalt binder is mixed with the compound of formula (I) under conditions effective to produce an improved asphalt. Also disclosed are an asphalt product and a method of making asphalt material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.