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Last Updated: July 5, 2020

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Patent: 5,567,422

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Summary for Patent: 5,567,422
Title: Azlactone activated polyalkylene oxides conjugated to biologically active nucleophiles
Abstract:Water-soluble azlactone activated polyalkylene oxides having improved hydrolytic stability and conjugates of the azlactone activated polyalkylene oxides with biologically active nucleophiles are disclosed. Methods of forming and conjugating the activated polyalkylene oxides with biologically active nucleophiles are also disclosed.
Inventor(s): Greenwald; Richard B. (Somerset, NJ)
Assignee: Enzon, Inc. (Piscataway, NJ)
Application Number:08/220,307
Patent Claims:see list of patent claims

Details for Patent 5,567,422

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Nps Pharms Inc NATPARA parathyroid hormone INJECTABLE;INJECTION 125511 004 2015-01-23   Start Trial Enzon, Inc. (Piscataway, NJ) 2013-10-22 RX Orphan search
Nps Pharms Inc NATPARA parathyroid hormone INJECTABLE;INJECTION 125511 003 2015-01-23   Start Trial Enzon, Inc. (Piscataway, NJ) 2013-10-22 RX Orphan search
Nps Pharms Inc NATPARA parathyroid hormone INJECTABLE;INJECTION 125511 002 2015-01-23   Start Trial Enzon, Inc. (Piscataway, NJ) 2013-10-22 RX Orphan search
Nps Pharms Inc NATPARA parathyroid hormone INJECTABLE;INJECTION 125511 001 2015-01-23   Start Trial Enzon, Inc. (Piscataway, NJ) 2013-10-22 RX Orphan search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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