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Patent applications and USPTO patent grants for Huang; Zuoxin.The latest application filed is for "amine-based polymer, a preparation process thereof and use thereof".
Patent | Date |
---|---|
Amine-based polymer, a preparation process thereof and use thereof Grant 11,359,036 - Zhang , et al. June 14, 2 | 2022-06-14 |
Amine polymer and preparation method and use thereof Grant 10,968,313 - Cheng , et al. April 6, 2 | 2021-04-06 |
Amine-based Polymer, A Preparation Process Thereof And Use Thereof App 20190367646 - ZHANG; Jianrong ;   et al. | 2019-12-05 |
Amine Polymer And Preparation Method And Use Thereof App 20180362710 - CHENG; Xin ;   et al. | 2018-12-20 |
Lubricating oil composition and production thereof Grant 9,593,290 - Xin , et al. March 14, 2 | 2017-03-14 |
Mannich base, production and use thereof Grant 9,587,198 - Xin , et al. March 7, 2 | 2017-03-07 |
Mannich Base, Production And Use Thereof App 20150121747 - Xin; Shihao ;   et al. | 2015-05-07 |
Lubricating Oil Composition And Production Thereof App 20150126420 - Xin; Shihao ;   et al. | 2015-05-07 |
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