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Patent applications and USPTO patent grants for Ma; Yixing.The latest application filed is for "method for production of ammonium phosphate from phosphate rock slurry".
Patent | Date |
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Method for production of ammonium phosphate from phosphate rock slurry Grant 11,261,088 - Ning , et al. March 1, 2 | 2022-03-01 |
Core-shell structured catalyst, preparation method thereof and method for treating industrial tail gas Grant 11,247,197 - Li , et al. February 15, 2 | 2022-02-15 |
Method For Production Of Ammonium Phosphate From Phosphate Rock Slurry App 20210114878 - NING; Ping ;   et al. | 2021-04-22 |
Gas-solid Separating Method And System For Simple Substance Sulphur In Sulphur-containing Exhaust App 20200299134 - NING; Ping ;   et al. | 2020-09-24 |
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