Yu; Zhengnan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yu; Zhengnan.The latest application filed is for "medium-pressure hydrocracking process".
- Yu; Zhengnan - Liaoning Province CN
- Yu; Zhengnan - Fushun CN
| Patent | Date |
|---|---|
| Medium-pressure hydrocracking process Grant 7,238,276 - Fang , et al. July 3, 2 | 2007-07-03 |
| Medium-pressure hydrocracking process App 20040206668 - Fang, Xiangchen ; et al. | 2004-10-21 |
| Highly active midbarrel hydrocracking catalyst and the preparation thereof Grant 6,670,295 - Wang , et al. December 30, 2 | 2003-12-30 |
| Highly active midbarrel hydrocracking catalyst and the preparation thereof App 20020094931 - Wang, Fenglai ; et al. | 2002-07-18 |
| Medium-pressure hydrocracking process App 20020008050 - Fang, Xiangchen ; et al. | 2002-01-24 |
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