CONTROLLED RELEASE OF ACTIVE INGREDIENTS FROM CAPSULES HAVING A SALT SENSITIVE SHELL MATERIAL

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(11)

EP 0 407 464 A1

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(43)	Date of publication:
	16.01.1991 Bulletin 1991/03

(21)	Application number: 89905332.0

(22)	Date of filing: 17.04.1989

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International Patent Classification (IPC):

A23L 1/ 22^{( . )}
A61K 8/ 11^{( . )}
A61K 9/ 48^{( . )}
A61K 9/ 58^{( . )}
A61K 31/ 22^{( . )}
A61Q 13/ 00^{( . )}
C11B 9/ 00^{( . )}
C11D 17/ 08^{( . )}

A23P 1/ 04^{( . )}
A61K 9/ 00^{( . )}
A61K 9/ 50^{( . )}
A61K 9/ 62^{( . )}
A61Q 11/ 00^{( . )}
C09K 3/ 00^{( . )}
C11D 17/ 00^{( . )}

(86)	International application number:
	PCT/US1989/001650

(87)	International publication number:
	WO 1989/010117 (02.11.1989 Gazette 1989/26)

(84)	Designated Contracting States:
	AT BE CH DE FR GB IT LI LU NL SE

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Priority:

19.04.1988 US 19880183591
04.04.1989 US 19890333189

(71)	Applicant: SOUTHWEST RESEARCH INSTITUTE
	San Antonio, TX 78284 (US)

(72)	Inventor:
	LEW, Chel, Wing San Antonio, TX 78230 (US)

(74)	Representative: Frankland, Nigel Howard, et al
	FORRESTER & BOEHMERT Franz-Joseph-Strasse 38 D-80801 München D-80801 München (DE)

(54)	CONTROLLED RELEASE OF ACTIVE INGREDIENTS FROM CAPSULES HAVING A SALT SENSITIVE SHELL MATERIAL