Process of recycling mixed PET plastic articles
US10385183B2 · kind B2 · utility
22Cited by
19References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 12, 2015 |
| Grant date | Aug 20, 2019 |
| Priority date | — |
| Expiry date | Aug 4, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/62
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a method for recycling at least one mixed PET plastic article, the method comprising degrading at least PET of the mixed PET plastic article to monomers and/or oligomers using an enzyme and recovering the resulting monomers and/or oligomers. The method of the invention may be used for depolymerizing, simultaneously or sequentially at least two different polymers of the mixed PET plastic article, and/or for recycling at least two mixed PET plastic articles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.