Bitumen solid at ambient temperature
US11292913B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2018 |
| Grant date | Apr 5, 2022 |
| Priority date | — |
| Expiry date | Jun 22, 2038 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C7/18
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Granules of material usable as a road binder or as a sealing binder including a core and a coating layer, wherein: the core consists of a first composition including at least one material selected from: a bitumen base, a pitch, a clear binder, and the coating layer consists of a second composition which includes: at least one viscosifying compound selected from cellulose ethers, and at least one anticaking agent. Also, a method for producing granules of material that can be used as a road binder or as a sealing binder, and the use thereof as a road binder, in particular for the production of coated materials. Also, a method for producing coatings from granules of material that can be used as a road binder or as a sealing binder and to a method for transporting and/or storing and/or handling granules.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.