➤ Get the DrugPatentWatch Daily Briefing

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

Serving leading biopharmaceutical companies globally:

Johnson and Johnson
Express Scripts

Last Updated: January 27, 2021

DrugPatentWatch Database Preview

Patent: 6,207,858

➤ Get the DrugPatentWatch Daily Briefing
» See Plans and Pricing

« Back to Dashboard

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   Start Trial IDEC Pharmaceuticals Corporation (San Diego, CA) 2039-03-29 RX Orphan company
>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:

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.