Patents by Inventor Xiaobei Zeng

Xiaobei Zeng 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).

  • METHODS TO CONTROL PROTEIN HETEROGENEITY
    Publication number: 20140314745
    Abstract: The instant invention relates to the field of protein production and in particular to controlled protein heterogeneity compositions and processes for controlling the heterogeneity of proteins expressed in host cells.
    Type: Application
    Filed: February 28, 2014
    Publication date: October 23, 2014
    Applicant: ABBVIE INC.
    Inventors: Lisa M. Rives, Cornelia Bengea, Xiaobei Zeng
  • METHODS TO CONTROL PROTEIN HETEROGENEITY
    Publication number: 20140065710
    Abstract: The instant invention relates to the field of protein production, and in particular to compositions and processes for controlling and limiting the heterogeneity of proteins expressed in host cells.
    Type: Application
    Filed: March 14, 2013
    Publication date: March 6, 2014
    Inventors: Lisa M. Rives, Cornelia Bengea, Xiaobei Zeng
  • METHODS TO MODULATE LYSINE VARIANT DISTRIBUTION
    Publication number: 20130280274
    Abstract: The instant invention relates to the field of protein production and purification, and in particular to compositions and processes for controlling the distribution or amount of lysine variants expressed by host cells, as well as to compositions and processes for controlling the amount of lysine variants present in purified preparations.
    Type: Application
    Filed: March 14, 2013
    Publication date: October 24, 2013
    Applicant: ABBVIE INC.
    Inventors: Kartik Subramanian, Mayda Perez, Xiaobei Zeng, Chee Furng Wong