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Last Updated: July 24, 2021

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Patent: 5,637,749

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Summary for Patent: 5,637,749
Title: Aryl imidate activated polyalkylene oxides
Abstract:Water-soluble aryl imidate activated polyalkylene oxides having improved hydrolytic stability and conjugates of the aryl imidate activated polyalkylene oxides with biologically active nucleophiles are disclosed. Methods of preparing the activated polyalkylene oxides and conjugates thereof are also disclosed.
Inventor(s): Greenwald; Richard B. (Somerset, NJ)
Assignee: Enzon, Inc. (Piscataway, NJ)
Application Number:08/507,156
Patent Claims:see list of patent claims

Details for Patent 5,637,749

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 ⤷  Free Forever Trial Enzon, Inc. (Piscataway, NJ) 2012-12-22 RX Orphan search
Nps Pharms Inc NATPARA parathyroid hormone INJECTABLE;INJECTION 125511 003 2015-01-23 ⤷  Free Forever Trial Enzon, Inc. (Piscataway, NJ) 2012-12-22 RX Orphan search
Nps Pharms Inc NATPARA parathyroid hormone INJECTABLE;INJECTION 125511 002 2015-01-23 ⤷  Free Forever Trial Enzon, Inc. (Piscataway, NJ) 2012-12-22 RX Orphan search
Nps Pharms Inc NATPARA parathyroid hormone INJECTABLE;INJECTION 125511 001 2015-01-23 ⤷  Free Forever Trial Enzon, Inc. (Piscataway, NJ) 2012-12-22 RX Orphan search
Merck ELSPAR asparaginase VIAL 101063 001 1978-01-10 ⤷  Free Forever Trial Enzon, Inc. (Piscataway, NJ) 2012-12-22 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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