Patent: 4,461,832

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Summary for Patent: 4,461,832

Title:	Preparation of an enzymatically active formulation embedded in silica gel
Abstract:	A process for the preparation of an enzymatically active formulation embedded in silica gel, wherein an aqueous mixture of an enzymatically active formulation and a dissolved alkali metal silicate and/or ammonium silicate is suspended in an organic, water-immiscible fluid and then converted to a water-insoluble gel.
Inventor(s):	Tschang; Chung-Ji (Frankenthal, DE), Klefenz; Heinrich (Hochdorf-Assenheim, DE), Sanner; Axel (Frankenthal, DE), Zahn; Wolfgang (Altrip, DE)
Assignee:	BASF Aktiengesellschaft (DE)
Application Number:	06/376,597
Patent Claims:	see list of patent claims

Details for Patent 4,461,832

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Number	Approval Date	Patent No.	Assignee	Patent Expiration	Status	Orphan	Source
Merck	ELSPAR	asparaginase	VIAL	101063	001	1978-01-10	➤ Sign Up	BASF Aktiengesellschaft (DE)	➤ Sign Up	RX		search
Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Number	Approval Date	Patent No.	Assignee	Patent Expiration	Status	Orphan	Source

International Patent Family for US Patent 4,461,832

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Country	Patent Number	Publication Date
Japan	H0130477	Jun 20, 1989
Japan	S55127990	Oct 03, 1980
European Patent Office	0017115	Feb 16, 1983
European Patent Office	0017115	Nov 11, 1981
European Patent Office	0017115	Oct 15, 1980
Country	Patent Number	Publication Date

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