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Daewoong Chemical Co., Ltd.
Hwaseong-si, Gyeonggi-do, KR
| Daewoong Chemical Co., Ltd. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090018339 | Process For Preparing Crystalline Form A Of Lansoprazole - The present invention relates to a process for preparing Crystalline Form A of Lansoprazole. Specifically, the present invention relates to a process for preparing highly pure Crystalline Form A of Lansoprazole in a large scale without any additional conversion step, even by using ethanol in which Crystalline Form B is easily formed. | 01-15-2009 |