Patent details
EP3797818
Title:
CONTROLLED-RELEASE SYSTEM OF ACTIVE PHARMACEUTICAL INGREDIENT AND PREPARATION METHOD THEREFOR
Basic Information
- Publication number:
- EP3797818
- PCT Application Number:
- CN2019088084
- Type:
- European Patent Granted for LU
- Legal Status:
- Lapsed
- Application number:
- EP198083339
- PCT Publication Number:
- WO2019223753
- First applicant's nationality:
- Translation Language:
- EPO Publication Language:
- English
- English Title of Invention:
- CONTROLLED-RELEASE SYSTEM OF ACTIVE PHARMACEUTICAL INGREDIENT AND PREPARATION METHOD THEREFOR
- French Title of Invention:
- SYSTÈME À LIBÉRATION CONTRÔLÉE D'UN PRINCIPE ACTIF PHARMACEUTIQUE ET SON PROCÉDÉ DE PRÉPARATION
- German Title of Invention:
- SYSTEM ZUR VERZÖGERTEN FREISETZUNG EINES WIRKSTOFFES UND VERFAHREN ZU SEINER HERSTELLUNG
- SPC Number:
-
Dates
- Filing date:
- 23/05/2019
- Grant date:
- 18/01/2023
- EP Publication Date:
- 31/03/2021
- PCT Publication Date:
- 28/11/2019
- Claims Translation Received Date:
- Translations Received Date (B1 EP Publication):
- Translations Received Date (B2 EP Publication):
- Translations Received Date (B3 EP Publication):
- Publication date:
- 18/01/2023
- EP B1 Publication Date:
- 18/01/2023
- EP B2 Publication Date:
- EP B3 Publication Date:
- Lapsed date:
- 23/05/2023
- Expiration date:
- 23/05/2039
- Renunciation date:
- Revocation date:
- Annulment date:
Owner
- From:
- 11/01/2023
-
-
- Name:
- Shanghai WD Pharmaceutical Co., Ltd
- Address:
- Room 403, Building 1, Lane 720 Cailun Road
Zhangjiang High-Tech Park, Pudong New Area, Shanghai 201203, China (CN)
Inventor
1
- Name:
- CHEN, Xishan
- Address:
- China (CN)
2
- Name:
- DONG, Liang Chang
- Address:
- China (CN)
3
- Name:
- SHI, Jingmin
- Address:
- China (CN)
4
- Name:
- ZHANG, Danyong
- Address:
- China (CN)
Priority
- Priority Number:
- 201810503654
- Priority Date:
- 23/05/2018
- Priority Country:
- China (CN)
Classification
- IPC classification:
-
A61M 31/00;
A61K 9/22;
A61K 31/198;
A61P 25/16;
A61K 9/00;
A61J 1/00;
A61J 7/00;
A61K 9/20;
A61K 9/28;
B33Y 80/00;
Publication
European Patent Bulletin
- Issue number:
- 202303
- Publication date:
- 18/01/2023
- Description:
- Grant (B1)
Annual Fees
- Annual Fee Due Date:
-
- Annual Fee Number:
-
- Expected Payer:
-
- Last Annual Fee Payment Date:
-
- Last Annual Fee Paid Number:
-
- Payer:
-
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