Frazee; William S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Frazee; William S..The latest application filed is for "cored round trilobe shaped catalyst for producing maleic anhydride".
- Frazee; William S. - The Woodlands TX
- Frazee; William S. - Spring TX US
| Patent | Date |
|---|---|
| Cored Round Trilobe Shaped Catalyst For Producing Maleic Anhydride App 20210031177 - Zhao; Chunli ; et al. | 2021-02-04 |
| Vpo Catalyst With Low Vanadium Oxidation State For Maleic Andhydride Production (d#81,745) App 20130217897 - Shan; Zhiping ; et al. | 2013-08-22 |
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