Qin; Yusheng
Patent Applications and Registrations
Patent applications and USPTO patent grants for Qin; Yusheng.The latest application filed is for "preparation method for poly(carbonate-ether)polyol".
- Qin; Yusheng - Changchun CN
- Qin; Yusheng - Changchun City CN
- Qin; Yusheng - Jilin CN
| Patent | Date |
|---|---|
| Production method of poly(carbonate-ether)polyol Grant 10,494,477 - Liu , et al. De | 2019-12-03 |
| Preparation Method For Poly(carbonate-ether)polyol App 20180215869 - Liu; Shunjie ; et al. | 2018-08-02 |
| Metalporphyrin complex, preparation method therefor and method for preparing polycarbonate Grant 10,005,806 - Wu , et al. June 26, 2 | 2018-06-26 |
| Metalporphyrin Complex, Preparation Method Therefor And Method For Preparing Polycarbonate App 20160194346 - WU; Wei ; et al. | 2016-07-07 |
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