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Last Updated: August 4, 2021

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Patent: 4,749,570

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Summary for Patent: 4,749,570
Title: Targeting conjugates of albumin and therapeutic agents
Abstract:The invention provides a conjugate comprising an enzyme having its antigenic sites or antigenicity masked by albumin and having a targeting agent attached, and a method for its preparation. The albumin is included in an amount sufficient to mask antigenicity of the enzyme. The targeting agent used has binding specificity for receptor sites on cells towards which it is desirable to direct the enzyme. Insulin, immunoglobulin G, antibody against human pancreatic tumor cell, and antibody against hyaluronic acid are exemplified as targeting agents.
Inventor(s): Poznansky; Mark J. (Alberta, CA)
Assignee: The Governors of the University of Alberta (Edmonton, CA)
Application Number:06/815,752
Patent Claims:see list of patent claims

Details for Patent 4,749,570

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Octapharma Usa Inc CUTAQUIG immunoglobulin g SOLUTION 125668 1 2019-05-03 ⤷  Free Forever Trial The Governors of the University of Alberta (Edmonton, CA) 2005-06-07 search
Merck ELSPAR asparaginase VIAL 101063 001 1978-01-10 ⤷  Free Forever Trial The Governors of the University of Alberta (Edmonton, CA) 2005-06-07 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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Serving leading biopharmaceutical companies globally:

Harvard Business School
Johnson and Johnson

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