Crystal forms of demethyleneberberine hydrochloride and preparation method therefor
US-11242340-B2 · Feb 8, 2022 · US
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Li Qingxia patents
Li Qingxia is listed as an inventor on 5 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Li Qingxia |
| Total patents | 5 |
| First publication | Dec 6, 2016 |
| Latest publication | Feb 8, 2022 |
Notable patents
Publications ranked by popularity score, then publication date.
Crystal Forms of Demethyleneberberine Hydrochloride and Preparation Method Therefor
US-2020392129-A1 · Dec 17, 2020 · US
Device for measuring adsorption/desorption characteristic of surface bed sediments on contaminants and method of using the device
US-10545128-B2 · Jan 28, 2020 · US
Device for measuring adsorption/desorption characteristic of surface bed sediments on contaminants and method of using the device
US-2019212318-A1 · Jul 11, 2019 · US
Antenna apparatus, antenna device and signal transmitting apparatus
US-9515377-B2 · Dec 6, 2016 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Hohai | 2 |
| Univ China Pharma | 2 |
| Huawei Tech Co Ltd | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B01L2300/047 | 2 |
| B01L2400/0487 | 2 |
| G01N11/00 | 2 |
| B01L3/502 | 2 |
| B01L2300/0803 | 2 |