Asphalt binders and bituminous compositions comprising naphthenic acid esters
US11787740B2 · kind B2 · utility
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3References
24Claims
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Key dates
| Filing date | Apr 23, 2021 |
| Grant date | Oct 17, 2023 |
| Priority date | — |
| Expiry date | Apr 7, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2555/60
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Asphalt binders and bituminous compositions comprising additives such as naphthenic acid esters. In certain embodiments the ester compounds may be useful as rheology modifiers for use in bituminous binders in road paving applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.