Emulsifying composition for spreading bitumen
US11731905B2 · kind B2 · utility
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5References
16Claims
0Family size
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Key dates
| Filing date | Apr 17, 2018 |
| Grant date | Aug 22, 2023 |
| Priority date | — |
| Expiry date | Jun 24, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B40/0039
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Provided is an aqueous acidic emulsifying composition comprising a specific amine and a polymerized fatty acid, a process for preparing the composition, a process for preparing bituminous emulsion and to the use of the composition for spreading bitumen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.