Yang; Yuanyi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yang; Yuanyi.The latest application filed is for "composite for catalytic distillation and its preparation".
- Yang; Yuanyi - Beijing CN
| Patent | Date |
|---|---|
| Composite for catalytic distillation and its preparation Grant 7,642,388 - Yang , et al. January 5, 2 | 2010-01-05 |
| Magnesium halide/alcohol adduct, its preparation and use Grant 7,361,621 - Yang , et al. April 22, 2 | 2008-04-22 |
| Composite For Catalytic Distillation And Its Preparation App 20070203375 - YANG; Yuanyi ; et al. | 2007-08-30 |
| Composite for catalytic distillation and its preparation Grant 7,226,884 - Yang , et al. June 5, 2 | 2007-06-05 |
| Spheric catalyst component for olefin polymerization and catalyst comprising the same App 20060003888 - Yang; Yuanyi ; et al. | 2006-01-05 |
| Magnesium halide/alcohol adduct, its preparation and use App 20050209097 - Yang, Yuanyi ; et al. | 2005-09-22 |
| Composite for catalytic distillation and its preparation App 20030220187 - Yang, Yuanyi ; et al. | 2003-11-27 |
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