Mastic asphalt composition for production of surfacings
US11447418B2 · kind B2 · utility
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4References
20Claims
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Key dates
| Filing date | Dec 20, 2017 |
| Grant date | Sep 20, 2022 |
| Priority date | — |
| Expiry date | Dec 5, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2555/22
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A composition including at least: a binder base chosen from: a bitumen base, a pitch base, a clear binder, or a mixture of one or more of these binder bases, an acid compound of general formula (I): R—(COOH)z (I). an amide compound of general formula (II): R′—(NH)nCONH—(X)m—(NHCO)p(NH)n—R″ (II) the compounds (I) and (II) being present in a weight ratio ranging from 10:1 to 1:16, for preparing a mastic asphalt composition. Mastic asphalt compositions and surfacings are thus obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.