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Patent applications and USPTO patent grants for Qiu; Yongfu.The latest application filed is for "preparation method of carbon-coated ceria hollow sphere".
Patent | Date |
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Preparation method of carbon-coated ceria hollow sphere Grant 10,654,020 - Wu , et al. | 2020-05-19 |
Preparation Method Of Carbon-coated Ceria Hollow Sphere App 20200016565 - WU; Wenjian ;   et al. | 2020-01-16 |
Nitrogen doped A.sub.2Nb.sub.4O.sub.11, process for preparation thereof, and method for degradation of organic pollutants Grant 9,051,198 - Lau , et al. June 9, 2 | 2015-06-09 |
Nitrogen Doped A2nb4o11, Process For Preparation Thereof, And Method For Degradation Of Organic Pollutants App 20120205321 - LAU; Taichu ;   et al. | 2012-08-16 |
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