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Last Updated: December 1, 2021

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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

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Microbix Biosystems Inc. KINLYTIC urokinase For Injection 021846 1978-01-16 ⤷  Try it Free 2001-07-24
Recordati Rare Diseases, Inc. ELSPAR asparaginase For Injection 101063 1978-01-10 ⤷  Try it Free 2001-07-24
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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Serving leading biopharmaceutical companies globally:

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Johnson and Johnson
Harvard Business School

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