Method for recovering terephthalic acid and ethylene glycol from polyester materials
US3952053A · kind A · utility
22Cited by
9References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 1974 |
| Grant date | Apr 20, 1976 |
| Priority date | — |
| Expiry date | Feb 26, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/62
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The process described herein relates to a process for recovering terephthalic acid and ethylene glycol from polyester materials produced from terephthalic acid and ethylene glycol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.