Process of recycling a bituminous waste product such as a waste bituminous membrane product
US12214362B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Nov 27, 2020 |
| Grant date | Feb 4, 2025 |
| Priority date | — |
| Expiry date | Jul 16, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/62
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process of recycling a bituminous product or a bituminous membrane product contacting reinforcement layers. Collecting the waste bituminous products and sorting it in a series of waste bituminous product batches. At least one grinding step of each batch in each series forms a fine ground batch. The fine ground batch is introduced into a recycling unit wherein the fine ground batch is heated and melted and collected as a melted product. The melted product is fed into a mixing tank having a predetermined volume containing fresh carrier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.