Patents by Inventor Weiguo Dai

Weiguo Dai 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).

  • Non-aqueous high concentration reduced viscosity suspension formulations of antibodies
    Patent number: 9072668
    Abstract: The present invention relates to non-aqueous high concentration reduced viscosity suspension formulations of antibodies and methods of making and using them.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: July 7, 2015
    Assignee: Janssen Biotech, Inc.
    Inventors: Weiguo Dai, Beth Hill, Kui Liu, Carl Mieczkowski
  • Non-Aqueous High Concentration Reduced Viscosity Suspension Formulations of Antibodies
    Publication number: 20120076800
    Abstract: The present invention relates to non-aqueous high concentration reduced viscosity suspension formulations of antibodies and methods of making and using them.
    Type: Application
    Filed: September 30, 2011
    Publication date: March 29, 2012
    Inventors: Weiguo Dai, Beth Hill, Kui Liu, Carl Mieczkowski
  • Non-Aqueous High Concentration Reduced Viscosity Suspension Formulations
    Publication number: 20110223208
    Abstract: The present invention relates to non-aqueous high concentration reduced viscosity suspension formulations and methods of making and using them.
    Type: Application
    Filed: March 9, 2011
    Publication date: September 15, 2011
    Inventors: Beth Hill, Weiguo Dai
  • Biodegradable pH/thermosensitive hydrogels for sustained delivery of biologically active agents
    Publication number: 20030099709
    Abstract: The present invention relates generally to the development of pharmaceutical compositions which provide for sustained release of biologically active polypeptides. More specifically, the invention relates to the use of pH/thermosensitive, biodegradable hydrogels, consisting of a A-B di block or A-B-A tri block copolymer of poly(d,l- or l-lactic acid) (PLA) or poly(lactide-co-glycolide) (PLGA) (block A) and polyethylene glycol (PEG) (block B), with ionizable functional groups on one or both ends of the polymer chains, for the sustained delivery of biologically active agents.
    Type: Application
    Filed: July 8, 2002
    Publication date: May 29, 2003
    Applicant: Amgen Inc.
    Inventors: Subodh Shah, Weiguo Dai
  • Biodegradable pH/thermosensitive hydrogels for sustained delivery of biologically active agents
    Patent number: 6451346
    Abstract: The present invention relates generally to the development of pharmaceutical compositions which provide for sustained release of biologically active polypeptides. More specifically, the invention relates to the use of pH/thermosensitive biodegradable hydrogels, consisting of a A-B di block or A-B-A tri block copolymer of poly(d,l- or l-lactic acid) (PLA) or poly(lactide-co-glycolide) (PLGA) (block A) and polyethylene glycol (PEG) (block B), with ionizable functional groups on one or both ends of the polymer chains, for the sustained delivery of biologically active agents.
    Type: Grant
    Filed: December 23, 1998
    Date of Patent: September 17, 2002
    Assignee: Amgen Inc
    Inventors: Subodh Shah, Weiguo Dai