Patents by Inventor Deborah H. Meshulam

Deborah H. Meshulam has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20190030177
    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.
    Type: Application
    Filed: April 27, 2018
    Publication date: January 31, 2019
    Inventors: Yong Dai, Yong Wang, Shengjin Jin, Deborah H. Meshulam, Godfrey W. Amphlett
  • Patent number: 9789204
    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.
    Type: Grant
    Filed: January 5, 2015
    Date of Patent: October 17, 2017
    Assignee: Immunogen, Inc.
    Inventors: Yong Dai, Yong Wang, Shengjin Jin, Deborah H. Meshulam, Godfrey W. Amphlett
  • Publication number: 20160045616
    Abstract: The invention provides processes for preparing a cell-binding agent chemically coupled to a drug. A first process comprises covalently attaching a linker to a cell-binding agent, an optional purification step, conjugating a drug to the cell-binding agent, a subsequent purification step, and optional holding steps. A second process comprises covalently attaching a linker to a cell-binding agent, a purification step, conjugating a drug to the cell-binding agent, a subsequent purification step. holding steps, and optionally a tangential flow filtration (TFF) step.
    Type: Application
    Filed: October 28, 2015
    Publication date: February 18, 2016
    Inventors: Yong DAI, Yong WANG, Shengjin JIN, Deborah H. MESHULAM, Godfrey W. AMPHLETT, Ravi CHARI, Wei ZHANG
  • Publication number: 20150182635
    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.
    Type: Application
    Filed: January 5, 2015
    Publication date: July 2, 2015
    Inventors: Yong DAI, Yong WANG, Shengjin JIN, Deborah H. MESHULAM, Godfrey W. AMPHLETT
  • Patent number: 8933205
    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.
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: January 13, 2015
    Assignee: ImmunoGen, Inc.
    Inventors: Yong Dai, Yong Wang, Shengjin Jin, Deborah H. Meshulam, Godfrey W. Amphlett
  • Publication number: 20140350228
    Abstract: The invention provides processes for manufacturing cell-binding agent-cytotoxic agent conjugates of improved stability in the presence of exogenous NHS. In some embodiments, the inventive process comprises the addition of a molar ratio of exogenous NHS with respect to the amount of NHS generated during the modification reaction as a result of hydrolysis/aminolysis of the bifunctional linker.
    Type: Application
    Filed: December 13, 2012
    Publication date: November 27, 2014
    Applicant: ImmunoGen, Inc.
    Inventors: Fang Liu, Godfrey W. Amphlett, Deborah H. Meshulam
  • Publication number: 20130281678
    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.
    Type: Application
    Filed: February 25, 2013
    Publication date: October 24, 2013
    Inventors: Yong DAI, Yong WANG, Shengjin JIN, Deborah H. MESHULAM, Godfrey W. AMPHLETT
  • Patent number: 8383122
    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.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: February 26, 2013
    Assignee: ImmunoGen, Inc.
    Inventors: Yong Dai, Yong Wang, Shengjin Jin, Deborah H. Meshulam, Godfrey W. Amphlett
  • Publication number: 20110021744
    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.
    Type: Application
    Filed: October 8, 2010
    Publication date: January 27, 2011
    Applicant: ImmunoGen, Inc.
    Inventors: Yong DAI, Yong Wang, Shengjin Jin, Deborah H. Meshulam, Godfrey W. Amphlett
  • Patent number: 7811572
    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.
    Type: Grant
    Filed: August 14, 2006
    Date of Patent: October 12, 2010
    Assignee: ImmunoGen, Inc.
    Inventors: Yong Dai, Yong Wang, Shengjin Jin, Deborah H. Meshulam, Godfrey W. Amphlett