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Last Updated: March 30, 2023

Patent: 5,147,641

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Summary for Patent: 5,147,641
Title: Microcapsule for the removal of specific amino acids through the entero-portal recirculation
Abstract:A microcapsule for oral administration comprising an outer layer membrane which is acid resistant and retains its structure in an alkaline environment, said membrane having dispersed therein at least one enzyme corresponding to an amino acid secreted into the intestinal or derived from a protein or peptide secreted into the intestinal tract. The present invention provides a microcapsule capable of removing specific unwanted amino acids secreted into the intestinal tract.
Inventor(s): Chang; Thomas M. S. (St-Lambert, CA), Bourget; Louis (Pierrefonds, CA), Lister; Colin (Brossard, CA)
Assignee: The Royal Institution for the Advancement of Learning (McGill University) (Quebec, CA)
Application Number:07/719,110
Patent Claims:see list of patent claims

Details for Patent 5,147,641

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Recordati Rare Diseases, Inc. ELSPAR asparaginase For Injection 101063 01/10/1978 ⤷  Sign Up 2009-09-15
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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Serving leading biopharmaceutical companies globally:

Harvard Business School
Express Scripts
Johnson and Johnson
Boehringer Ingelheim

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