Asphalt surface cleaning composition with bitumen rehardening and method
US11208615B2 · kind B2 · utility
0Cited by
2References
2Claims
0Family size
Inventors
Key dates
| Filing date | Mar 16, 2020 |
| Grant date | Dec 28, 2021 |
| Priority date | — |
| Expiry date | Jun 8, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/24
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A composition for removing spillage on asphalt paving of hydrocarbon substances which includes modifiers, chemical oxidizers and bacteria which metabolizes both the spillage and a softened top layer of asphalt paving to aid in rehardening the surface of the mat while not metabolizing the underlying asphalt paving unaffected by the spillage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.