Bituminous composition solid at ambient temperature
US11873406B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Dec 6, 2019 |
| Grant date | Jan 16, 2024 |
| Priority date | — |
| Expiry date | May 4, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2555/20
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A bituminous composition comprising at least one bitumen base, at least one compound of general formula (I): Ar1-R1—Ar2 (I), and at least one compound of general formula (II): R2—(NH)nCONH—X—(NHCO)p(NH)n—R′2 (II). The invention also concerns a process for the preparation of said bituminous composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.