Chi; Yawu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chi; Yawu.The latest application filed is for "reusable liquid chromatographic columns".
- Chi; Yawu - Sharon MA US
- Chi; Yawu - Randolph MA
| Patent | Date |
|---|---|
| Reusable liquid chromatographic column Grant 9,114,335 - Cao , et al. August 25, 2 | 2015-08-25 |
| Reusable liquid chromatographic columns Grant 7,704,388 - Chi , et al. April 27, 2 | 2010-04-27 |
| Reusable Liquid Chromatographic Columns App 20070175809 - Cao; Lixin ; et al. | 2007-08-02 |
| Synthesis of carbamate through low pressure heterogeneous oxidative carbonylation of amines Grant 6,541,653 - Chuang , et al. April 1, 2 | 2003-04-01 |
| Synthesis Of Carbamate Through Low Pressure Heterogeneous Oxidative Carbonylation Of Amines App 20020183541 - Chuang, Steven C. ; et al. | 2002-12-05 |
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