Fully-continuous synthesis method of cyproterone acetate
US-2026078142-A1 · Mar 19, 2026 · US
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Cheng Dang patents
Cheng Dang is listed as an inventor on 42 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Cheng Dang |
| Total patents | 42 |
| First publication | Nov 29, 2018 |
| Latest publication | Mar 19, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Full continuous-flow preparation method of (+)-biotin
US-12522613-B2 · Jan 13, 2026 · US
Method for the continuous flow synthesis of (R)-4-halo-3-hydroxy-butyrate
US-12281348-B2 · Apr 22, 2025 · US
Multi-layered micro-channel mixer and method for mixing fluids
US-12194428-B2 · Jan 14, 2025 · US
Full continuous synthesis device and method for metronidazole
US-2024270696-A1 · Aug 15, 2024 · US
Device and method for on-line continuous recovery of excess nitric acid in nitration reaction
US-2024246820-A1 · Jul 25, 2024 · US
Continuous flow method for preparing (R)-3-hydroxy-5-hexenoate
US-11913055-B2 · Feb 27, 2024 · US
Method for synthesizing diclofenac sodium
US-11905229-B2 · Feb 20, 2024 · US
Continuous-flow preparation method of diclofenac sodium
US-11834388-B2 · Dec 5, 2023 · US
Full continuous-flow preparation method of L-carnitine
US-11827581-B2 · Nov 28, 2023 · US
Recent patents
Latest publications not already listed above.
Enzyme-catalyzed method for synthesizing (2S, 3R)-2-substituted aminomethyl-3-hydroxybutyrate
US-11802299-B2 · Oct 31, 2023 · US
Method for synthesizing diclofenac sodium
US-2023234911-A1 · Jul 27, 2023 · US
Method for preparing a key intermediate for the synthesis of statins
US-11708363-B2 · Jul 25, 2023 · US
Method for preparing (dimethylaminomethylene) malononitrile using a micro reaction system
US-11708321-B2 · Jul 25, 2023 · US
Continuous-flow preparation method of diclofenac sodium
US-2023192595-A1 · Jun 22, 2023 · US
Full continuous-flow preparation method of (+)-biotin
US-2023183260-A1 · Jun 15, 2023 · US
Method for preparing 3-chloro-4-oxopentyl acetate using fully continuous-flow micro-reaction system
US-11618727-B2 · Apr 4, 2023 · US
Method for preparing L-carnitine using micro-reaction system
US-11555008-B2 · Jan 17, 2023 · US
Micro reaction system and method for preparing 2-methyl-4-amino-5-cyanopyrimidine using same
US-11554355-B2 · Jan 17, 2023 · US
Micro-reaction system and method for preparing 2-methyl-4-amino-5-aminomethyl pyrimidine
US-11554354-B2 · Jan 17, 2023 · US
Full continuous flow preparation method of 2-methyl-4-amino-5-aminomethylpyrimidine
US-11554356-B2 · Jan 17, 2023 · US
Enzyme-catalyzed synthesis of (1S,5R)-bicyclolactone
US-11441163-B2 · Sep 13, 2022 · US
Full continuous-flow preparation method of l-carnitine
US-2022267253-A1 · Aug 25, 2022 · US
Method for synthesizing 2-(1-cyclohexenyl)ethylamine
US-11299451-B2 · Apr 12, 2022 · US
Method for preparing (dimethylaminomethylene) malononitrile using a micro reaction system
US-2022089524-A1 · Mar 24, 2022 · US
Enzyme-catalyzed method for synthesizing (2s, 3r)-2-substituted aminomethyl-3-hydroxybutyrate
US-2022090151-A1 · Mar 24, 2022 · US
Method for the continuous flow synthesis of (r)-4-halo-3-hydroxy-butyrate
US-2022056489-A1 · Feb 24, 2022 · US
Continuous flow method for preparing (r)-3-hydroxy-5-hexenoate
US-2022033863-A1 · Feb 3, 2022 · US
Method for preparing a key intermediate for the synthesis of statins
US-2022017508-A1 · Jan 20, 2022 · US
Method for synthesizing 2-(1-cyclohexenyl)ethylamine
US-2022002224-A1 · Jan 6, 2022 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Fudan | 42 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B01J19/0093 | 19 |
| B01J2219/00889 | 15 |
| B01J2219/00867 | 9 |
| B01J2219/00963 | 8 |
| B01J2219/00961 | 8 |