Methods of forming an asphalt shingle waste powder from asphalt shingle waste
US11519137B2 · kind B2 · utility
3Cited by
35References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2022 |
| Grant date | Dec 6, 2022 |
| Priority date | — |
| Expiry date | Apr 29, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2555/34
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Non-limiting embodiments of the present disclosure relate to a method comprising: obtaining asphalt shingle waste (ASW) and performing grinding, screening, and separating steps on the ASW. In some embodiments, granules are removed from the ASW. In some embodiments, the method transforms ASW into ASW powder. In some embodiments, the ASW powder is formed into a plurality of briquettes. In some embodiments, at least one of: the ASW powder, the plurality of briquettes, or any combination thereof is fed into a mixing process that results in an ASW powder filled coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.