Polyvinyl Alcohol And Purification Method Thereof - EP3050905
The patent EP3050905 was granted to Chang Chun Petrochemical on Nov 22, 2017. The application was originally filed on Jan 27, 2016 under application number EP16152864A. The patent is currently recorded with a legal status of "Revoked".
EP3050905
- Application Number
- EP16152864A
- Filing Date
- Jan 27, 2016
- Status
- Revoked
- Jan 10, 2020
- Publication Date
- Nov 22, 2017
- External Links
- Slate, Register, Google Patents
Patent Summary
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