Patent details

EN | LT

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

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

Legal status

Patent not validated

Bibliographic data

Indications of the International Patent Classification (IPC)
(51)	INT.CL.	C07D 475/04
		A61K 31/522

European patent
(11)	Number of the document	1687308
(13)	Kind of document	T
(96)	European patent application number	04820966.2
	Date of filing the European patent application	2004-11-17
(97)	Date of publication of the European application	2006-08-09
(45)	Date of publication and mention of the grant of the patent	2019-06-12
(46)	Date of publication of the claims translation

PCT application
(86)	Number	PCT/IB2004/004447
	Date	2004-11-17

PCT application publication
(87)	Number	WO 2005/065018
	Date	2005-07-21

Priority applications
(30)	Number	Date	Country code
	520377 P	2003-11-17	US

Inventors
(72)	MOSER, Rudolf, CH GROEHN, Viola, CH EGGER, Thomas, CH BLATTER, Fritz, CH

Grantee
(73)	Merck & Cie, Im Laternenacker 5, 8200 Schaffhausen, CH

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