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)

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