Inventor
Wenquan ZHU
Inventor
CN
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds50%
A61KPreparations for medical, dental or toiletry purposes17%
C07BGeneral methods of organic chemistry17%
G01NInvestigating or analysing materials by determining their chemical or physical properties17%
PatentTitleYear
12,018,018Pregabalin lactam methylene dimer and preparation method therefor202411,707,461N-formyl vortioxetine and preparation method thereof and solid preparation of vortioxetine202311,519,890Detection method for n-nitrosodimethylamine impurities202211,434,210Method for synthesizing valsartan2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2024Patents assigned to ZHEJIANG HUAHAI PHARM CO LTD (4)· patent assignee history
2022–2024Based in CN· patent location history
2024Patents assigned to ZHEJIANG HUAHAI ZHICHENG PHARMACEUTICAL CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ZHEJIANG HUAHAI PHARM CO LTD | 4 | 2022–2024 |
| ZHEJIANG HUAHAI ZHICHENG PHARMACEUTICAL CO LTD | 1 | 2024 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 4 | 2022–2024 |