Robotic separation of plastics for chemical recycling
US12330345B2 · kind B2 · utility
0Cited by
9References
20Claims
0Family size
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Key dates
| Filing date | Dec 14, 2021 |
| Grant date | Jun 17, 2025 |
| Priority date | — |
| Expiry date | Dec 1, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/143
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention comprises methods of robotically separating unwanted heteroatom-containing materials from a plastic mixture and catalytically pyrolyzing the resulting mixed plastics to obtain olefins and aromatics. Systems and compositions useful in the catalytic pyrolysis of plastics are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.