Patents by Inventor Weiguang Zeng

Weiguang 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).

  • Publication number: 20120251536
    Abstract: The invention relates to biopolymer-gel based depot systems for prolonged and/or controlled release delivery of biologically active agents, methods for the manufacture of the biopolymer based gel-depots which include a biologically active agent, and uses of such biopolymer gel-depots in therapy. The biopolymer-gel based depot systems comprise a biocompatible polyaminosaccharide and/or protein; a biocompatible phosphate and/or sulphonamide compound; a biologically active agent; an aqueous insoluble alkaline earth metal phosphate; and a biocompatible glycan and/or proteoglycan.
    Type: Application
    Filed: July 9, 2010
    Publication date: October 4, 2012
    Applicant: POLYMERS CRC LIMITED
    Inventors: David Edward Mainwaring, Mohammad Al Kobaisi, Brendon Yew Loong Chua, David Charles Jackson, Weiguang Zeng
  • Publication number: 20120064109
    Abstract: The present invention provides an immunogenic composition comprising an antigen and a dendritic cell targeting component. A charged group is covalently attached to a dendritic cell ligand and is electrostatically associated with the dendritic cell targeting component.
    Type: Application
    Filed: October 7, 2011
    Publication date: March 15, 2012
    Applicant: THE UNIVERSITY OF MELBOURNE
    Inventors: David Charles Jackson, Weiguang Zeng, Brendon Yew Loong Chua
  • Publication number: 20110280899
    Abstract: The present invention provides synthetic immunogenic lipopeptide molecules comprising co-linear T-helper and CTL epitopes, and methods for their production and use in the generation of primary and secondary immune responses, and for the vaccination of animal subjects against particular CTL epitopes. More particularly, the present invention provides highly soluble lipopeptides wherein the lipid moiety is attached to the terminal side-chain group of an internal lysine or lysine analog, preferably to the terminal side-chain group of an internal diamino acid residue. Preferably the internal lysine or lysine analog is positioned between the T-helper epitope and the CTL epitope.
    Type: Application
    Filed: October 8, 2010
    Publication date: November 17, 2011
    Applicant: The Council of The Queensland Institute of Medical Research
    Inventors: David Jackson, Weiguang Zeng
  • Publication number: 20110262473
    Abstract: The present invention relates generally to the field of synthetic vaccines, components thereof and methods for producing same. More particularly, the present invention provides a component of synthetic vaccines and its use in a modular approach to vaccine production.
    Type: Application
    Filed: July 7, 2009
    Publication date: October 27, 2011
    Applicant: THE UNIVERSITY OF MELBOURNE
    Inventors: David Charles Jackson, Weiguang Zeng, Kylie Horrocks
  • Publication number: 20100310595
    Abstract: The present invention relates to the targeted delivery of molecules to cells expressing toll-like receptors (TLRs). Aspects of the invention provide compounds comprising a positively charged group linked to a TLR ligand. These compounds are useful for in vitro and in vivo methods of transfection of TLR-expressing cells. Other aspects of the invention relate to the use of such compounds for repression of gene expression and DNA vaccination approaches.
    Type: Application
    Filed: October 9, 2008
    Publication date: December 9, 2010
    Inventors: David Charles Jackson, Weiguang Zeng, Brendon Yew Loong Chua
  • Patent number: 7833532
    Abstract: The present invention provides synthetic immunogenic lipopeptide molecules comprising co-linear T-helper and CTL epitopes, and methods for their production and use in the generation of primary and secondary immune responses, and for the vaccination of animal subjects against particular CTL epitopes. More particularly, the present invention provides highly soluble lipopeptides wherein the lipid moiety is attached to the terminal side-chain group of an internal lysine or lysine analog, preferably to the terminal side-chain group of an internal diamino acid residue. Preferably the internal lysine or lysine analog is positioned between the T-helper epitope and the CTL epitope.
    Type: Grant
    Filed: August 12, 2003
    Date of Patent: November 16, 2010
    Assignee: The Council of The Queensland Institute of Medical Research
    Inventors: David Jackson, Weiguang Zeng
  • Publication number: 20100266623
    Abstract: The present invention relates generally to the field of immunotherapy, and more particularly to immunomedicaments in the form of lipopeptides which induce an antibody response to drugs of dependence, and uses thereof in the treatment and prevention of drug addiction.
    Type: Application
    Filed: July 7, 2009
    Publication date: October 21, 2010
    Applicants: THE UNIVERSITY OF MELBOURNE, BAYLOR COLLEGE OF MEDICINE
    Inventors: David Charles Jackson, Weiguang Zeng, Berma Kinsey
  • Publication number: 20100129385
    Abstract: The present invention relates generally to the field of immunology and more particularly to molecules capable of stimulating a cellular immune response. More particularly, the present invention provides self-adjuvanting immunogenic molecules capable of stimulating an immune response to epitopes of a polypeptide irrespective of a subjects HLA type. The present invention further contemplates methods for the production and use of the self-adjuvanting immunogenic molecules and compositions comprising same useful in the vaccination of subjects against specific polypeptides.
    Type: Application
    Filed: February 8, 2006
    Publication date: May 27, 2010
    Inventors: David C. Jackson, Weiguang Zeng
  • Publication number: 20100092500
    Abstract: The present invention provides synthetic immunogenic lipopeptide molecules comprising co-linear T-helper and B cell epitopes, and methods for their production and use in the generation of primary and secondary immune responses, and for the vaccination of animal subjects against particular antigens. More particularly, the present invention provides highly soluble lipopeptides wherein the lipid moiety is attached to the terminal side-chain group of an internal lysine or lysine analog, preferably to the terminal side-chain group of an internal diamino acid residue. Preferably the internal lysine or lysine analog is positioned between the T-helper epitope and the B cell epitope or within the T-helper epitope.
    Type: Application
    Filed: June 19, 2009
    Publication date: April 15, 2010
    Applicant: The Council of The Queensland Institute of Medical Research
    Inventors: David Jackson, Weiguang Zeng
  • Patent number: 7569225
    Abstract: The present invention provides synthetic immunogenic lipopeptide molecules comprising co-linear T-helper and B cell epitopes, and methods for their production and use in the generation of primary and secondary immune responses, and for the vaccination of animal subjects against particular antigens. More particularly, the present invention provides highly soluble lipopeptides wherein the lipid moiety is attached to the terminal side-chain group of an internal lysine or lysine analog, preferably to the terminal side-chain group of an internal diamino acid residue. Preferably the internal lysine or lysine analog is positioned between the T-helper epitope and the B cell epitope or within the T-helper epitope.
    Type: Grant
    Filed: August 12, 2003
    Date of Patent: August 4, 2009
    Assignee: The Council of The Queensland Institute of Medical Research
    Inventors: David Jackson, Weiguang Zeng
  • Publication number: 20090105155
    Abstract: The present invention provides a peptide useful for raising an antiLHRH response in an animal. The peptide comprises a first and second region, the first region consisting of a sequence of less than 60 amino acids which comprises at least one T helper cell epitope and the second region consisting of the sequence SYGLRPG.
    Type: Application
    Filed: September 12, 2005
    Publication date: April 23, 2009
    Inventors: David Charles Jackson, John Walker, Weiguang Zeng
  • Publication number: 20070160631
    Abstract: The present invention provides synthetic immunogenic lipopeptide molecules comprising co-linear T-helper and CTL epitopes, and methods for their production and use in the generation of primary and secondary immune responses, and for the vaccination of animal subjects against particular CTL epitopes. More particularly, the present invention provides highly soluble lipopeptides wherein the lipid moiety is attached to the terminal side-chain group of an internal lysine or lysine analog, preferably to the terminal side-chain group of an internal diamino acid residue. Preferably the internal lysine or lysine analog is positioned between the T-helper epitope and the CTL epitope.
    Type: Application
    Filed: August 12, 2003
    Publication date: July 12, 2007
    Inventors: David Jackson, Weiguang Zeng
  • Publication number: 20070066534
    Abstract: The present invention provides synthetic immunogenic lipopeptide molecules comprising co-linear T-helper and B cell epitopes, and methods for their production and use in the generation of primary and secondary immune responses, and for the vaccination of animal subjects against particular antigens. More particularly, the present invention provides highly soluble lipopeptides wherein the lipid moiety is attached to the terminal side-chain group of an internal lysine or lysine analog, preferably to the terminal side-chain group of an internal diamino acid residue. Preferably the internal lysine or lysine analog is positioned between the T-helper epitope and the B cell epitope or within the T-helper epitope.
    Type: Application
    Filed: August 12, 2003
    Publication date: March 22, 2007
    Inventors: David Jackson, Weiguang Zeng
  • Publication number: 20020169264
    Abstract: The present invention provides polymers incorporating peptides. The polymers comprise polymarised units of (1) CH2═CR4—CO—X—R1 and (2) CH2═CR3—CO—R2 and optionally one or more other monomers, in which R1 is a peptide. Each R1 may be the same, or is preferably different. In another embodiment the present invention provides polymers formed from CH2═CR4—CO—X—R1 and optionally one or more other monomers, in which X is a spacer having a length equivalent to 1 to 30 single C—C bonds and R1 is a peptide, each R1 being the same or different. The invention further relates to methods producing the polymers and methods of inducing an immune response using the polmers.
    Type: Application
    Filed: January 11, 2002
    Publication date: November 14, 2002
    Applicant: The Council of the Queensland Institute of Medical Research
    Inventors: David C. Jackson, Neil M. O'Brien-Simpson, Lorena E. Brown, Nicholas J. Ede, Evelyn R. Brandt, Michael F. Good, Weiguang Zeng