HYDROXYPROPYLCELLULOSE AND ANIONIC POLYMER COMPOSITIONS AND THEIR USE AS PHARMACEUTICAL FILM COATINGS - Patent 1058543

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EP 1 058 543 A1

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(43)	Date of publication:
	13.12.2000 Bulletin 2000/50

(21)	Application number: 99964056.8

(22)	Date of filing: 02.12.1999

(51)	International Patent Classification (IPC)⁷: A61K 9/36, A61K 9/62, A61K 9/24

(86)	International application number:
	PCT/US9928/559

(87)	International publication number:
	WO 0040/223 (13.07.2000 Gazette 2000/28)

(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:

31.12.1998 US 228075

(71)	Applicant: HERCULES INCORPORATED
	Wilmington,Delaware 19894-0001 (US)

(72)	Inventors:
	GUO, Jian, Hwa Chadds Ford, PA 19317 (US) HARCUM, Weldin, W. Newark, DE 19713 (US) SKINNER, George, W. Wilmington, DE 19809 (US)

(74)	Representative: HOFFMANN - EITLE
	Patent- und RechtsanwälteArabellastrasse 4 81925 München 81925 München (DE)

(54)	HYDROXYPROPYLCELLULOSE AND ANIONIC POLYMER COMPOSITIONS AND THEIR USE AS PHARMACEUTICAL FILM COATINGS