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:
-
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