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Generated: September 17, 2019

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Patent: 6,207,858

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Summary for Patent: 6,207,858
Title: Regioselective synthesis of DTPA derivatives
Abstract:The present invention provides a process for high yield regioselective synthesis of DTPA derivatives that eliminates the need for ion exchange chromotographic separation of intermediates. Moreover, as this process yields a single regioisomer of the chelate, it provides for the regiospecific synthesis of desired chelates useful as radiolabeling agents.
Inventor(s): Chinn; Paul (Vista, CA), Gyorkos; Albert (Westminister, CO), LaBarre; Michael J. (San Diego, CA), Ruhl; Steve (San Diego, CA), Ryskamp; Thomas (Poway, CA)
Assignee: IDEC Pharmaceuticals Corporation (San Diego, CA)
Application Number:09/261,207
Patent Claims:see list of patent claims

Details for Patent 6,207,858

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Spectrum Pharms ZEVALIN ibritumomab tiuxetan INJECTABLE; INJECTION 125019 001 2002-02-19 ➤ Sign Up IDEC Pharmaceuticals Corporation (San Diego, CA) 2036-04-30 RX Orphan company
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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