Patent details

EP1687308 Title: Process for preparating (6R)-L-erythrotetrahydrobiopterin hydrochloride crystalline form B from other crystalline forms

Basic Information

Publication number:
EP1687308
PCT Application Number:
IB2004004447
Type:
European Patent Granted for LU
Legal Status:
Lapsed
Application number:
EP048209662
PCT Publication Number:
WO2005065018
First applicant's nationality:
Translation Language:
EPO Publication Language:
English
English Title of Invention:
Process for preparating (6R)-L-erythrotetrahydrobiopterin hydrochloride crystalline form B from other crystalline forms
French Title of Invention:
Procédé pour la préparation de la forme cristalline B de (6R)-L-érythrotetrahydrobioptérin hydrochloride a partir d'autres formes cristallines
German Title of Invention:
Verfahren zur Herstellung von (6R)-L-Erythrotetrahydrobiopterin Hydrochlorid kristalliner Form B aus anderen kristallinen Formen
SPC Number:

Dates

Filing date:
17/11/2004
Grant date:
12/06/2019
EP Publication Date:
09/08/2006
PCT Publication Date:
21/07/2005
Claims Translation Received Date:
Translations Received Date (B1 EP Publication):
Translations Received Date (B2 EP Publication):
Translations Received Date (B3 EP Publication):
Publication date:
12/06/2019
EP B1 Publication Date:
12/06/2019
EP B2 Publication Date:
EP B3 Publication Date:
Lapsed date:
17/11/2019
Expiration date:
17/11/2024
Renunciation date:
Revocation date:
Annulment date:

Owner

From:
05/06/2019
 
 

Name:
Merck & Cie
Address:
Im Laternenacker 5, 8200 Schaffhausen, Switzerland (CH)

Inventor

1

Name:
BLATTER, Fritz
Address:
Switzerland (CH)

2

Name:
EGGER, Thomas
Address:
Switzerland (CH)

3

Name:
MOSER, Rudolf
Address:
Switzerland (CH)

4

Name:
GROEHN, Viola
Address:
Switzerland (CH)

Priority

Priority Number:
520377 P
Priority Date:
17/11/2003
Priority Country:
United States (US)

Classification

IPC classification:
A61K 31/522; C07D 475/04;

Publication

European Patent Bulletin

1

Issue number:
201924
Publication date:
12/06/2019
Description:
Grant (B1)

2

Issue number:
202016
Publication date:
15/04/2020
Description:
Opposition procedure started

3

Issue number:
202219
Publication date:
11/05/2022
Description:
Opposition rejected; Patent maintained as granted

Annual Fees

Annual Fee Due Date:
Annual Fee Number:
Expected Payer:
Last Annual Fee Payment Date:
Last Annual Fee Paid Number:
Payer:
Filing date Document type Number of pages