Asphalt emulsion composition and method of treating a pavement surface
US11447637B2 · kind B2 · utility
3Cited by
12References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2020 |
| Grant date | Sep 20, 2022 |
| Priority date | — |
| Expiry date | May 23, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2555/64
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Compositions and methods are provided for treating a pavement such as by microsurfacing or slurry sealing. The compositions contain iron chelants that are effective in reducing discoloration of the pavement surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.