Maintenance treatments useful for improving the performance of aged or brittle resinous binders in paving or roofing
US12297150B2 · kind B2 · utility
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53References
15Claims
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Key dates
| Filing date | Oct 12, 2021 |
| Grant date | May 13, 2025 |
| Priority date | — |
| Expiry date | Jun 22, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2111/0075
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Provided herein are an emulsified asphalt product and an emulsified coating product. Both emulsified products contain one or more rejuvenators of formula (I) or formula (X). The emulsified asphalt product is useful for improving the performance of aged or brittle resinous binders in paving applications while the emulsified coating product is similarly useful in roofing applications. Also provided herein is a treated bituminous pavement where the performance grade varies with depth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.