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Generated: September 22, 2019

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Patent: 7,811,572

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Summary for Patent: 7,811,572
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:11/503,781
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 7,811,572
Patent Claims:see list of patent claims

Details for Patent 7,811,572

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Genentech RITUXAN rituximab VIAL 103705 001 1997-11-26   Try a Free Trial ImmunoGen, Inc. (Waltham, MA) 2025-08-24 RX search
Genentech HERCEPTIN trastuzumab VIAL; INTRAVENOUS 103792 001 1998-09-25   Try a Free Trial ImmunoGen, Inc. (Waltham, MA) 2025-08-24 RX Orphan search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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