➤ Get the DrugPatentWatch Daily Briefing

Get Daily Updates on Generic Entry, Litigation, Biosimilars, and more …

Serving leading biopharmaceutical companies globally:

Boehringer Ingelheim

Last Updated: October 21, 2020

DrugPatentWatch Database Preview

Patent: 3,963,613

➤ Get the DrugPatentWatch Daily Briefing
» See Plans and Pricing

« Back to Dashboard

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

Make Better Decisions: Try a trial or see plans & pricing

Serving leading biopharmaceutical companies globally:

Boehringer Ingelheim
Johnson and Johnson
Harvard Business School

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.