Polyvinyl Alcohol And Purification Method Thereof
Patent No. EP3050905 (titled "Polyvinyl Alcohol And Purification Method Thereof") was filed by Chang Chun Petrochemical on Jan 27, 2016. The application was issued on Nov 22, 2017.
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EP3050905
- Application Number
- EP16152864A
- Filing Date
- Jan 27, 2016
- Status
- Revoked
- Jan 10, 2020
- Publication Date
- Nov 22, 2017
- External Links
- Slate, EP3050905B1, Google Patents