Patents by Inventor Yanjie Jiang

Yanjie Jiang 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).

  • Analysis of amino acid copolymer compositions
    Patent number: 10160992
    Abstract: Methods for analyzing, selecting, characterizing or classifying compositions of a co-polymer, e.g., glatiramer acetate are described. The methods entail analysis of pyro-glutamate in the composition, and, in some methods, comparing the amount of pyro-glutamate present in a composition to a reference standard.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: December 25, 2018
    Assignee: Momenta Pharmaceuticals, Inc.
    Inventors: Xiangping Zhu, Zachary Shriver, Yanjie Jiang, Corinne Bauer, James Eric Anderson, Peter James Ahern
  • Analysis of Amino Acid Copolymer Compositions
    Publication number: 20180127801
    Abstract: Methods for analyzing, selecting, characterizing or classifying compositions of a co-polymer, e.g., glatiramer acetate are described. The methods entail analysis of pyro-glutamate in the composition, and, in some methods, comparing the amount of pyro-glutamate present in a composition to a reference standard.
    Type: Application
    Filed: January 3, 2018
    Publication date: May 10, 2018
    Inventors: Xiangping Zhu, Zachary Shriver, Yanjie Jiang, Corinne Bauer, James Eric Anderson, Peter James Ahern
  • ANALYSIS OF AMINO ACID COPOLYMER COMPOSITIONS
    Publication number: 20160312264
    Abstract: Methods for analyzing, selecting, characterizing or classifying compositions of a co-polymer, e.g., glatiramer acetate are described. The methods entail analysis of pyro-glutamate in the composition, and, in some methods, comparing the amount of pyro-glutamate present in a composition to a reference standard.
    Type: Application
    Filed: July 5, 2016
    Publication date: October 27, 2016
    Inventors: Xiangping Zhu, Zachary Shriver, Yanjie Jiang, Corinne Bauer, James Eric Anderson, Peter James Ahern
  • Analysis of amino acid copolymer compositions
    Patent number: 9410964
    Abstract: Methods for analyzing, selecting, characterizing or classifying compositions of a co-polymer, e.g., glatiramer acetate are described. The methods entail analysis of pyro-glutamate in the composition, and, in some methods, comparing the amount of pyro-glutamate present in a composition to a reference standard.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: August 9, 2016
    Assignee: Momenta Pharmaceuticals, Inc.
    Inventors: Xiangping Zhu, Zachary Shriver, Yanjie Jiang, Corinne Bauer, James Eric Anderson, Peter James Ahern
  • Analysis of amino acid copolymer compositions
    Patent number: 9395374
    Abstract: Methods for analyzing, selecting, characterizing or classifying compositions of a co-polymer, e.g., glatiramer acetate are described. The methods entail analysis of pyro-glutamate in the composition, and, in some methods, comparing the amount of pyro-glutamate present in a composition to a reference standard.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: July 19, 2016
    Assignee: Momenta Pharmaceuticals, Inc.
    Inventors: Xiangping Zhu, Zachary Shriver, Yanjie Jiang, Corinne Bauer, James Eric Anderson, Peter James Ahern
  • ANALYSIS OF AMINO ACID COPOLYMER COMPOSITIONS
    Publication number: 20160069892
    Abstract: Methods for analyzing, selecting, characterizing or classifying compositions of a co-polymer, e.g., glatiramer acetate are described. The methods entail analysis of pyro-glutamate in the composition, and, in some methods, comparing the amount of pyro-glutamate present in a composition to a reference standard.
    Type: Application
    Filed: November 13, 2015
    Publication date: March 10, 2016
    Inventors: Xiangping Zhu, Zachary Shriver, Yanjie Jiang, Corinne Bauer, James Eric Anderson, Peter James Ahern
  • ANALYSIS OF AMINO ACID COPOLYMER COMPOSITIONS
    Publication number: 20150376334
    Abstract: Methods for analyzing, selecting, characterizing or classifying compositions of a co-polymer, e.g., glatiramer acetate are described. The methods entail analysis of pyro-glutamate in the composition, and, in some methods, comparing the amount of pyro-glutamate present in a composition to a reference standard.
    Type: Application
    Filed: July 9, 2015
    Publication date: December 31, 2015
    Inventors: Xiangping Zhu, Zachary Shriver, Yanjie Jiang, Corinne Bauer, James Eric Anderson, Peter James Ahern
  • Analysis of amino acid copolymer compositions
    Patent number: 9085796
    Abstract: Methods for analyzing, selecting, characterizing or classifying compositions of a co-polymer, e.g., glatiramer acetate are described. The methods entail analysis of pyro-glutamate in the composition, and, in some methods, comparing the amount of pyro-glutamate present in a composition to a reference standard.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: July 21, 2015
    Assignee: Momenta Pharmaceuticals, Inc.
    Inventors: Xianping Zhu, Zachary Shriver, Yanjie Jiang, Corinne Bauer, James Eric Anderson, Peter James Ahern
  • Evaluation of copolymer diethylamide
    Patent number: 8765911
    Abstract: Methods of analyzing glatiramer acetate (GA) or a polymeric precursor thereof are provided. The methods can include determining a level of one or more diethylamide-modified amino acids in a sample comprising GA or a polymeric precursor thereof, and selecting at least a portion of the sample based on the assessment of the one or more diethylamide-modified amino acids in the sample.
    Type: Grant
    Filed: December 3, 2012
    Date of Patent: July 1, 2014
    Assignee: Momenta Pharmaceuticals, Inc.
    Inventors: Cuihua Liu, Shiming Dong, Xiao-Jin Xu, Jonathan C. Lansing, Yanjie Jiang
  • Evaluation of copolymer diethylamide
    Patent number: 8759484
    Abstract: Methods of analyzing glatiramer acetate (GA) or a polymeric precursor thereof are provided. The methods can include determining a level of one or more diethylamide-modified amino acids in a sample comprising GA or a polymeric precursor thereof, and selecting at least a portion of the sample based on the assessment of the one or more diethylamide-modified amino acids in the sample.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: June 24, 2014
    Assignee: Momenta Pharmaceuticals, Inc.
    Inventors: Cuihua Liu, Shiming Dong, Xiao-Jin Xu, Jonathan C. Lansing, Yanjie Jiang
  • ANALYSIS OF AMINO ACID COPOLYMER COMPOSITIONS
    Publication number: 20140065652
    Abstract: Methods for analyzing, selecting, characterizing or classifying compositions of a co-polymer, e.g., glatiramer acetate are described. The methods entail analysis of pyro-glutamate in the composition, and, in some methods, comparing the amount of pyro-glutamate present in a composition to a reference standard.
    Type: Application
    Filed: September 5, 2013
    Publication date: March 6, 2014
    Applicant: Momenta Pharmaceuticals, Inc.
    Inventors: Xiangping Zhu, Zachary Shriver, Yanjie Jiang, Corinne Bauer, James Eric Anderson, Peter James Ahern
  • EVALUATION OF COPOLYMER DIETHYLAMIDE
    Publication number: 20140045204
    Abstract: Methods of analyzing glatiramer acetate (GA) or a polymeric precursor thereof are provided. The methods can include determining a level of one or more diethylamide-modified amino acids in a sample comprising GA or a polymeric precursor thereof, and selecting at least a portion of the sample based on the assessment of the one or more diethylamide-modified amino acids in the sample.
    Type: Application
    Filed: September 6, 2013
    Publication date: February 13, 2014
    Applicant: Momenta Pharmaceuticals, Inc.
    Inventors: Cuihua Liu, Shiming Dong, Xiao-Jin Xu, Jonathan C. Lansing, Yanjie Jiang
  • EVALUATION OF COPOLYMER DIETHYLAMIDE
    Publication number: 20140046024
    Abstract: Methods of analyzing glatiramer acetate (GA) or a polymeric precursor thereof are provided. The methods can include determining a level of one or more diethylamide-modified amino acids in a sample comprising GA or a polymeric precursor thereof, and selecting at least a portion of the sample based on the assessment of the one or more diethylamide-modified amino acids in the sample.
    Type: Application
    Filed: December 3, 2012
    Publication date: February 13, 2014
    Applicant: MOMENTA PHARMACEUTICALS, INC.
    Inventors: Cuihua Liu, Shiming Dong, Xiao-Jin Xu, Jonathan C. Lansing, Yanjie Jiang
  • Analysis of amino acid copolymer compositions
    Patent number: 8592142
    Abstract: Methods for analyzing, selecting, characterizing or classifying compositions of a co-polymer, e.g., glatiramer acetate are described. The methods entail analysis of pyro-glutamate in the composition, and, in some methods, comparing the amount of pyro-glutamate present in a composition to a reference standard.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: November 26, 2013
    Assignee: Momenta Pharmaceuticals, Inc.
    Inventors: Xiangping Zhu, Zachary Shriver, Yanjie Jiang, Corinne Bauer, James Eric Anderson, Peter James Ahern
  • Analysis of amino acid copolymer compositions
    Patent number: 8329391
    Abstract: Methods for analyzing, selecting, characterizing or classifying compositions of a co-polymer, e.g., glatiramer acetate are described. The methods entail analysis of pyro-glutamate in the composition, and, in some methods, comparing the amount of pyro-glutamate present in a composition to a reference standard. In some cases, the methods entail treating the co-polymer with pyro-glutamate aminopeptidase to cleave N-terminal pyro-glutamate residues.
    Type: Grant
    Filed: March 20, 2009
    Date of Patent: December 11, 2012
    Assignee: Momenta Pharmaceuticals, Inc.
    Inventors: Xiangping Zhu, Zachary Shriver, Yanjie Jiang, Corinne Bauer, James Eric Anderson, Peter James Ahern
  • Evaluation of copolymer diethylamide
    Patent number: 8324348
    Abstract: Methods of analyzing glatiramer acetate (GA) or a polymeric precursor thereof are provided. The methods can include determining a level of one or more diethylamide-modified amino acids in a sample comprising GA or a polymeric precursor thereof, and selecting at least a portion of the sample based on the assessment of the one or more diethylamide-modified amino acids in the sample.
    Type: Grant
    Filed: August 13, 2012
    Date of Patent: December 4, 2012
    Assignee: Momenta Pharmaceuticals, Inc.
    Inventors: Cuihua Liu, Shiming Dong, Xiao-Jin Xu, Jonathan C. Lansing, Yanjie Jiang
  • Analysis of amino acid copolymer compositions
    Patent number: 7884187
    Abstract: Methods for analyzing, selecting, characterizing or classifying compositions of a co-polymer, e.g., glatiramer acetate are described. The methods entail analysis of pyro-glutamate in the composition, and, in some methods, comparing the amount of pyro-glutamate present in a composition to a reference standard.
    Type: Grant
    Filed: September 15, 2010
    Date of Patent: February 8, 2011
    Assignee: Momenta Pharmaceuticals, Inc.
    Inventors: Xiangping Zhu, Zachary Shriver, Yanjie Jiang, Corinne Bauer, James Eric Anderson, Peter James Ahern
  • ANALYSIS OF AMINO ACID COPOLYMER COMPOSITIONS
    Publication number: 20100331266
    Abstract: Methods for analyzing, selecting, characterizing or classifying compositions of a co-polymer, e.g., glatiramer acetate are described. The methods entail analysis of pyro-glutamate in the composition, and, in some methods, comparing the amount of pyro-glutamate present in a composition to a reference standard.
    Type: Application
    Filed: September 15, 2010
    Publication date: December 30, 2010
    Applicant: Momenta Pharmaceuticals, Inc. a Massachusetts corporation
    Inventors: Yanjie Jiang, Peter James Ahern, James Eric Anderson, Corinne Bauer, Xiangping Zhu, Zachary Shriver
  • ANALYSIS OF AMINO ACID COPOLYMER COMPOSITIONS
    Publication number: 20090263347
    Abstract: Methods for analyzing, selecting, characterizing or classifying compositions of a co-polymer, e.g., glatiramer acetate are described. The methods entail analysis of pyro-glutamate in the composition, and, in some methods, comparing the amount of pyro-glutamate present in a composition to a reference standard. In some cases, the methods entail treating the co-polymer with pyro-glutamate aminopeptidase to cleave N-terminal pyro-glutamate residues.
    Type: Application
    Filed: March 20, 2009
    Publication date: October 22, 2009
    Inventors: Yanjie Jiang, Peter James Ahern, James Eric Anderson, Corinne Bauer, Xiangping Zhu, Zachary Shriver