A NOVEL POLYMORPH OF (1-BENZYL-4-[(5,6-DIMETHOXY-1-INDANONE)-2-YL] METHYL PIPERIDINE HYDROCHLORIDE (DONEPEZIL HYDROCHLORIDE) AND A PROCESS FOR PRODUCING THEREOF - Patent 1771416

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EP 1 771 416 A1

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(43)	Date of publication:
	11.04.2007 Bulletin 2007/15

(21)	Application number: 04806738.3

(22)	Date of filing: 28.07.2004

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International Patent Classification (IPC):

C07D 211/32^(2006.01)
A61P 25/28^(2006.01)

A61K 31/445^(2006.01)

(86)	International application number:
	PCT/IN2004/000227

(87)	International publication number:
	WO 2006/011154 (02.02.2006 Gazette 2006/05)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
	Designated Extension States:
	AL HR LT LV

(71)	Applicant: USV Limited
	Mumbai 400088, Maharashtra (IN)

(72)	Inventors:
	TARUR, Venkatasubramanian Radhakrishnan Mumbai 400 080, Maharashtra (IN) SATHE, Dhananjay Govind Thane 400 602, Maharashtra (IN) NAIDU, Avinash Venkataraman Vishnu Nagar, Dombivli 421 202 (IN) AHER, Umesh Parashram Kalyan 421 301, Maharashtra (IN) SAWANT, Kamlesh Digambar Mumbai 400 030, Maharashtra (IN)

(74)	Representative: Henkel, Feiler & Hänzel
	Patentanwälte Maximiliansplatz 21 80333 München 80333 München (DE)

(54)	A NOVEL POLYMORPH OF (1-BENZYL-4-[(5,6-DIMETHOXY-1-INDANONE)-2-YL] METHYL PIPERIDINE HYDROCHLORIDE (DONEPEZIL HYDROCHLORIDE) AND A PROCESS FOR PRODUCING THEREOF