Detection method for n-nitrosodimethylamine impurities
US-11519890-B2 · Dec 6, 2022 · US
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Zhejiang Huahai Pharm Co Ltd patents in 2022
Zhejiang Huahai Pharm Co Ltd was listed as an assignee on 16 patent publications in 2022.
| Metric | Value |
|---|---|
| Company | Zhejiang Huahai Pharm Co Ltd |
| Year | 2022 |
| Patents | 16 |
Patents
Representative publications for Zhejiang Huahai Pharm Co Ltd in 2022.
Method for preparing levetiracetam
US-11498897-B2 · Nov 15, 2022 · US
Method for synthesizing valsartan
US-11434210-B2 · Sep 6, 2022 · US
Synthesis method for cariprazine
US-11420948-B2 · Aug 23, 2022 · US
Method for preparing pregabalin intermediate (R)-3-(carbamoylmethyl)-5-methylhexanoic acid
US-11420932-B2 · Aug 23, 2022 · US
Top CPC classifications
Most common classification codes for Zhejiang Huahai Pharm Co Ltd in 2022.
| CPC | Patents |
|---|---|
| Y02P20/55 | 4 |
| A61P35/00 | 3 |
| C07D207/27 | 3 |
| C07D487/04 | 3 |
| A61K31/4439 | 2 |
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