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Last Updated: December 6, 2019

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Patent: 3,963,613

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Summary for Patent: 3,963,613
Title: Blood purification means
Abstract:A blood purification means whereby blood of a patient to be treated is led around an external circuit connecting to the patient\'s blood stream and is brought into direct or indirect contact with a fumarate solution, and is further brought into direct or indirect contact with an enzymic preparation, which is suitably an aspartase preparation, which catalyzes a reaction of L-aspartic acid formation from fumaric acid and ammonia. The purification means may further include a preliminary stage or stages whereat an unrequired substance in a patient\'s blood is decomposed to a non toxic substance and ammonia subsequently convertable to aspartic acid, and may also include a low molecular sieve means preventing re-entry of aspartic acid produced into the patient\'s blood stream.
Inventor(s): Chibata; Ichiro (Suita, JA), Tosa; Tetsuya (Kyoto, JA), Mori; Takao (Takatsuki, JA)
Assignee: Tanabe Seiyaku Co., Ltd. (Osaka, JA)
Application Number:05/536,641
Patent Claims:see list of patent claims

Details for Patent 3,963,613

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Merck ELSPAR asparaginase VIAL 101063 001 1978-01-10   Start Trial Tanabe Seiyaku Co., Ltd. (Osaka, JA) 1993-12-29 RX search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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