CONTROLLED RELEASE OF SILDENAFIL DELIVERED BY SUBLINGUAL OR BUCCAL ADMINISTRATION - Patent 1171134

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EP 1 171 134 A1

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(43)	Date of publication:
	16.01.2002 Bulletin 2002/03

(21)	Application number: 00916328.8

(22)	Date of filing: 14.03.2000

(51)	International Patent Classification (IPC)⁷: A61K 31/505, A61K 9/22

(86)	International application number:
	PCT/US0006/662

(87)	International publication number:
	WO 0054/777 (21.09.2000 Gazette 2000/38)

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

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Priority:

16.03.1999 US 268957

(71)	Applicant: Pentech Pharmaceuticals, Inc.
	Rolling Meadows, IL 60008 (US)

(72)	Inventor:
	EL-RASHIDY, Ragab Deerfield, IL 60015 (US)

(74)	Representative: Vossius, Volker, Dr.
	Dr. Volker Vossius, Patentanwaltskanzlei - Rechtsanwaltskanzlei, Holbeinstrasse 5 81679 München 81679 München (DE)

(54)	CONTROLLED RELEASE OF SILDENAFIL DELIVERED BY SUBLINGUAL OR BUCCAL ADMINISTRATION