NOVEL CRYSTALLINE FORMS OF 4-[4-[4-(HYDROXYDIPHENYLMETHYL)-1-PIPERIDINYL] -1-HYDROXYBUTYL] -A,A-DIMETHYLBENZENE ACETIC ACID AND ITS HYDROCHLORIDE - Patent 1399422

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EP 1 399 422 A2

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(88)	Date of publication A3:
	27.02.2003

(43)	Date of publication:
	24.03.2004 Bulletin 2004/13

(21)	Application number: 01956057.2

(22)	Date of filing: 31.07.2001

(51)	International Patent Classification (IPC)⁷: C07D 211/22

(86)	International application number:
	PCT/US2001/023994

(87)	International publication number:
	WO 2002/102777 (27.12.2002 Gazette 2002/52)

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

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Priority:

18.06.2001 IN MA20010484

(71)	Applicant: Dr. Reddy's Laboratories Ltd.
	Hyderabad 500 016 (IN)

(72)	Inventors:
	REDDY, M., Satyanarayana Hyderabad 500 016, A.P. (IN) RAJAN, S., Thirumalai Hyderabad 500016, A.P. (IN) RAO, U., V., Bhaskara Hyderabad 500016, A.P. (IN)

(74)	Representative: Ebner von Eschenbach, Jennifer et al
	Ladas & Parry,Dachauerstrasse 37 80335 München 80335 München (DE)

(54)	NOVEL CRYSTALLINE FORMS OF 4-[4-[4-(HYDROXYDIPHENYLMETHYL)-1-PIPERIDINYL] -1-HYDROXYBUTYL] -A,A-DIMETHYLBENZENE ACETIC ACID AND ITS HYDROCHLORIDE