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Generated: July 20, 2019

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Patent: 9,789,204

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Summary for Patent: 9,789,204
Title:Process for preparing purified drug conjugates
Abstract: The invention provides a process for preparing a cell-binding agent chemically coupled to a drug. The process comprises covalently attaching a linker to a cell-binding agent, a purification step, conjugating a drug to the cell-binding agent and a subsequent purification step.
Inventor(s): Dai; Yong (Newton, MA), Wang; Yong (North Attleboro, MA), Jin; Shengjin (Acton, MA), Meshulam; Deborah H. (Brookline, MA), Amphlett; Godfrey W. (Cambridge, MA)
Assignee: Immunogen, Inc. (Waltham, MA)
Application Number:14/589,541
Patent Claims:see list of patent claims

Details for Patent 9,789,204

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Patent Expiration Status Orphan Source
Genentech HERCEPTIN trastuzumab VIAL; INTRAVENOUS 103792 001 1998-09-25 ➤ Try a Free Trial Immunogen, Inc. (Waltham, MA) ➤ Try a Free Trial RX Orphan search
Genentech RITUXAN rituximab VIAL 103705 001 1997-11-26 ➤ Try a Free Trial Immunogen, Inc. (Waltham, MA) ➤ Try a Free Trial RX search
Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Patent Expiration Status Orphan Source

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International Patent Family for US Patent 9,789,204

Country Patent Number Publication Date
South Africa 200801564 Jul 25, 2012
World Intellectual Property Organization (WIPO) 2006086733 Aug 17, 2006
World Intellectual Property Organization (WIPO) 2006086733 Jun 07, 2007
World Intellectual Property Organization (WIPO) 2007024536 Jul 05, 2007
World Intellectual Property Organization (WIPO) 2007024536 Mar 01, 2007
United States of America 2006182750 Aug 17, 2006
Country Patent Number Publication Date

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Medtronic

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