Reclaimed roofing granules and related methods
US12305396B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 27, 2023 |
| Grant date | May 20, 2025 |
| Priority date | — |
| Expiry date | Oct 27, 2043 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04D1/20
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Reclaimed roofing granules, roofing materials comprising reclaimed roofing granules, and methods for forming roofing granules are provided. A roofing granule comprises a roofing shingle waste core having a surface. The roofing shingle waste core comprises a base particle. The roofing shingle waste core comprises an asphalt residue. The asphalt residue covers at least a portion of the roofing shingle waste core. The roofing granule comprises a colored coating. The colored coating covers at least a portion of the asphalt residue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.