Patents Assigned to CSPC Dophen Corporation
  • Patent number: 10639291
    Abstract: The present application in one aspect provide Fc-containing polypeptide conjugates comprising an Fc-containing polypeptide conjugated to a conjugate moiety, wherein the Fc-containing polypeptide comprises an N-glycosylated Fc region comprising an acceptor glutamine residue flanked by an N-glycosylation site and wherein the conjugate moiety is conjugated to the Fc-containing polypeptide via the acceptor glutamine residue. Also provided are methods of making such Fc-containing polypeptide conjugates by using a wildtype or engineered transglutaminases. Further provided are engineered transglutaminases specifically designed for carrying out such reactions.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: May 5, 2020
    Assignee: CSPC DOPHEN CORPORATION
    Inventors: Sean Hu, Lisha Allen
  • Patent number: 10471037
    Abstract: The present application in one aspect provide Fc-containing polypeptide conjugates comprising an Fc-containing polypeptide conjugated to a conjugate moiety, wherein the Fc-containing polypeptide comprises an N-glycosylated Fc region comprising an acceptor glutamine residue flanked by an N-glycosylation site and wherein the conjugate moiety is conjugated to the Fc-containing polypeptide via the acceptor glutamine residue. Also provided are methods of making such Fc-containing polypeptide conjugates by using a wildtype or engineered transglutaminases. Further provided are engineered transglutaminases specifically designed for carrying out such reactions.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: November 12, 2019
    Assignee: CSPC Dophen Corporation
    Inventors: Sean Hu, Lisha Allen
  • Patent number: 10357472
    Abstract: The present application in one aspect provide Fc-containing polypeptide conjugates comprising an Fc-containing polypeptide conjugated to a conjugate moiety, wherein the Fc-containing polypeptide comprises an N-glycosylated Fc region comprising an acceptor glutamine residue flanked by an N-glycosylation site and wherein the conjugate moiety is conjugated to the Fc-containing polypeptide via the acceptor glutamine residue. Also provided are methods of making such Fc-containing polypeptide conjugates by using a wildtype or engineered transglutaminases. Further provided are engineered transglutaminases specifically designed for carrying out such reactions.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: July 23, 2019
    Assignee: CSPC Dophen Corporation
    Inventors: Sean Hu, Lisha Allen