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Patent applications and USPTO patent grants for Ruan; Xuehua.The latest application filed is for "separation and purification coupled process with high helium yield and diversified products".
Patent | Date |
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Separation And Purification Coupled Process With High Helium Yield And Diversified Products App 20210402345 - He; Gaohong ;   et al. | 2021-12-30 |
Comb-shaped Structure Polybenzimidazole Anion Exchange Membrane With High Conductivity And Preparation Method Thereof App 20210202972 - WU; Xuemei ;   et al. | 2021-07-01 |
Surface modification method based on polymerization and cross-linking solidification of dopamine and/or derivatives thereof Grant 10,633,554 - Ruan , et al. | 2020-04-28 |
Surface Modification Method Based On Polymerization And Cross-linking Solidification Of Dopamine And/or Derivatives Thereof App 20190177570 - RUAN; Xuehua ;   et al. | 2019-06-13 |
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