Pregabalin lactam methylene dimer and preparation method therefor
US-2021387971-A1 · Dec 16, 2021 · US
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Zhejiang Huahai Pharm Co Ltd patents in 2021
Zhejiang Huahai Pharm Co Ltd was listed as an assignee on 15 patent publications in 2021.
| Metric | Value |
|---|---|
| Company | Zhejiang Huahai Pharm Co Ltd |
| Year | 2021 |
| Patents | 15 |
Patents
Representative publications for Zhejiang Huahai Pharm Co Ltd in 2021.
Powder injection of the donepezil semi palmoxiric acid salt, composition containing same and preparation method therefor
US-11197850-B2 · Dec 14, 2021 · US
Preparation method for escitalopram pamoate
US-11168063-B2 · Nov 9, 2021 · US
Synthesis method for cariprazine
US-2021300883-A1 · Sep 30, 2021 · US
Detection method for n-nitrosodimethylamine impurities
US-2021285920-A1 · Sep 16, 2021 · US
Top CPC classifications
Most common classification codes for Zhejiang Huahai Pharm Co Ltd in 2021.
| CPC | Patents |
|---|---|
| C07B2200/13 | 3 |
| A61P25/28 | 2 |
| C07B2200/07 | 2 |
| C07C51/43 | 2 |
| C07C65/11 | 2 |
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