Asphalt composition comprising humins obtained from dehydration of carbohydrates
US11447635B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2018 |
| Grant date | Sep 20, 2022 |
| Priority date | — |
| Expiry date | Mar 29, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C7/18
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An asphalt composition comprising aggregates and a binder material, wherein the binder material comprises humins, which humins comprise carbonaceous water-insoluble by-products of the dehydration of carbohydrates and/or 5-hydroxymethylfurfural and/or ethers or esters of 5-hydroxymethylfurfural. The invention also provides a binder material for use in asphalt compositions comprising from 1 to 95% wt, preferably from 5 to 60% wt of such humins, based on the weight of the binder material. The invention further provides for the use of such humins in the manufacture of binder material for asphalt compositions and the use of such humins as binder material in asphalt compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.