Rubella Virus Patents (Class 424/219.1)
  • Publication number: 20150056246
    Abstract: The present invention relates to a probiotic cell transformed with a construct suitable to overexpress and display on the surface of the probiotic cell a fusion protein comprising at least a portion of a transport protein coupled to at least a portion of one or more antigenic proteins or peptides. Probiotic-derived vesicles displaying this fusion protein as well as methods of inducing an immune response using the probiotic cells or vesicles are also disclosed.
    Type: Application
    Filed: March 13, 2013
    Publication date: February 26, 2015
    Inventors: David A. Putnam, Joseph Rosenthal, Chung-Jr Huang, Matthew Delisa, Susana Mendez
  • Publication number: 20140294894
    Abstract: The present invention provides materials and methods to facilitate the transcutaneous delivery of therapeutic agents. In some embodiments, agonists of tight junctions are used in compositions to facilitate the uptake of therapeutic agents from the skin. In a particular embodiment, the present invention provides immunogenic compositions comprising a tight junction agonist and an antigen. In a particular embodiment, the present invention provides vaccine compositions comprising a tight junction agonist and an antigen.
    Type: Application
    Filed: April 2, 2014
    Publication date: October 2, 2014
    Applicant: Alba Therapeutics Corporation
    Inventors: Dorothea Sesardic, Blake Paterson
  • Patent number: 8728491
    Abstract: The present invention provides materials and methods to facilitate the transcutaneous delivery of therapeutic agents. In some embodiments, agonists of tight junctions are used in compositions to facilitate the uptake of therapeutic agents from the skin. In a particular embodiment, the present invention provides immunogenic compositions comprising a tight junction agonist and an antigen. In a particular embodiment, the present invention provides vaccine compositions comprising a tight junction agonist and an antigen.
    Type: Grant
    Filed: May 7, 2008
    Date of Patent: May 20, 2014
    Assignee: Alba Therapeutics Corporation
    Inventors: Dorothea Sesardic, Blake Paterson
  • Publication number: 20140004150
    Abstract: The invention provides a vaccine injection, which includes a vaccine and a Traditional Chinese medicinal adjuvant in a mass ratio of 1:0.5-1:10, or a vaccine, a Traditional Chinese medicinal adjuvant and an aluminum adjuvant in a mass ratio of 1:0.5:2.5-1:10:20. The vaccine injection is in the form of powders, and the size of the powders is between 10 and 120 micrometers. The vaccine injection of the present invention is particularly suitable for the needle free injection technology. The invention also provides a preparation method for the vaccine injection.
    Type: Application
    Filed: April 8, 2011
    Publication date: January 2, 2014
    Applicants: CHINA 302 MILITARY HOSPITAL OF PLA
    Inventors: Jiabo Wang, Xiaohe Xiao, Zhewei Wang, Cheng Jin, Qi Li
  • Publication number: 20130344106
    Abstract: The present invention provides a new means of restoring the immune system in aging and immunocompromised individuals using an antioxidant nutraceutical. The nutraceutical stimulates the aging immune system through the Nrf2 master gene regulatory pathway. The invention is based in part on the discovery that the Nrf2 has antioxidant and immune restorative activity. The nutraceutical improves function of both the innate and adaptive immune systems.
    Type: Application
    Filed: May 31, 2013
    Publication date: December 26, 2013
    Inventors: ANDRE E. NEL, HYON-JEEN KIM
  • Publication number: 20130323280
    Abstract: The present disclosure provides methods for preparing vesicles. In one aspect, the methods involve providing a molten mixture of vesicle-forming lipids and adding the molten mixture of vesicle-forming lipids to an aqueous solution comprising an antigen such that antigen-containing vesicles are formed, wherein in the step of adding the molten mixture of vesicle forming lipids is at a temperature of less than 120° C. In another aspect, the methods involve providing a molten mixture of vesicle-forming lipids and adding an aqueous solution comprising an antigen to the molten mixture of vesicle-forming lipids such that antigen-containing vesicles are formed, wherein the resulting mixture is placed under temperature-controlled conditions of less than 60° C. In yet another aspect, the methods involve providing a solution of vesicle forming lipids and adding the solution of vesicle-forming lipids to an aqueous solution comprising an antigen by injection such that antigen-containing vesicles are formed.
    Type: Application
    Filed: January 13, 2012
    Publication date: December 5, 2013
    Applicant: VARIATION BIOTECHNOLOGIES, INC.
    Inventors: David E. Anderson, Yvonne Perrie, Marc Kirchmeier, Jitinder Singh Wilkhu
  • Publication number: 20130295165
    Abstract: The present disclosure provides compositions and methods useful for treating viral infections. As described herein, the compositions and methods are based on the development of immunogenic compositions that include an attenuated or inactivated virus in combination with a non-ionic surfactant vesicle (NISV).
    Type: Application
    Filed: January 13, 2012
    Publication date: November 7, 2013
    Applicant: VARIATION BIOTECHNOLOGIES, INC.
    Inventors: David E. Anderson, Tanvir Ahmed, Jasminka Bozic, Marc Kirchmeier
  • Patent number: 8460680
    Abstract: A chimeric viral particle that comprises a RV fusion gene is disclosed. The RV fusion gene comprises a first nucleotide sequence encoding a RV that is devoid of RV E1 protein, and a second nucleotide sequence that linked in translation frame to the first nucleotide sequence and encodes a humoral immunogenic viral protein. The chimeric viral particle is free of RV E1 protein-encoding gene. A virus packaging cell that generates the chimeric viral particle comprising a RV fusion gene and an isolated expression vector comprising a RV fusion gene linked in translation frame to a promoter are also disclosed.
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: June 11, 2013
    Assignee: National Health Research Institutes
    Inventors: Yen-Hung Chow, Charles Dwo-Yuan Sia, Pele Choi-Sing Chong, Kuang-Nan Hsiao
  • Publication number: 20120294830
    Abstract: The invention relates to the discovery of novel soluble neutral active Hyaluronidase Glycoproteins (sHASEGPs), methods of manufacture, and their use to facilitate administration of other molecules or to alleviate glycosaminoglycan associated pathologies. Minimally active polypeptide domains of the soluble, neutral active sHASEGP domains are described that include asparagine-linked sugar moieties required for a functional neutral active hyaluronidase domain. Included are modified amino-terminal leader peptides that enhance secretion of sHASEGP. The invention further comprises sialated and pegylated form of a recombinant sHASEGP to enhance stability and serum pharmacokinetics over naturally occurring slaughterhouse enzymes. Further described are suitable formulations of a substantially purified recombinant sHASEGP glycoprotein derived from a eukaryotic cell that generate the proper glycosylation required for its optimal activity.
    Type: Application
    Filed: July 6, 2012
    Publication date: November 22, 2012
    Inventors: Louis H. Bookbinder, Anirban Kundu, Gregory I. Frost
  • Publication number: 20120244182
    Abstract: The invention provides immunostimulatory compositions and methods of administration thereof. Also provided are methods of administering a tryptanthrin compound in an effective amount to enhance the immune response of a subject to an antigen. Also provided are methods of administering an effective amount of a tryptanthrin to stimulate the immune response in a subject for the treatment of cancer. Further provided are methods of administering a tryptanthrin compounds as an immunotherapeutic in the treatment of infectious diseases.
    Type: Application
    Filed: June 4, 2012
    Publication date: September 27, 2012
    Applicant: NOVARTIS VACCINES AND DIAGNOSTICS, INC.
    Inventor: Nicholas M. VALIANTE
  • Publication number: 20120171292
    Abstract: The disclosure relates to immunizing agents and devices.
    Type: Application
    Filed: January 3, 2012
    Publication date: July 5, 2012
    Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Michael J. Sailor, Stephen M. Hedrick, Lou Gu, Laura Ruff, Zhengtao Qin
  • Publication number: 20110293723
    Abstract: Disclosed are dosage forms and related methods, that include a first population of synthetic nanocarriers that have one or more first antigens coupled to them, one or more second antigens that are not coupled to the synthetic nanocarriers, and a pharmaceutically acceptable excipient.
    Type: Application
    Filed: May 26, 2011
    Publication date: December 1, 2011
    Applicant: Selecta Biosciences, Inc.
    Inventors: Robert L. Bratzler, Grayson B. Lipford, Lloyd Johnston, Charles Zepp
  • Publication number: 20110142881
    Abstract: The present invention provides materials and methods to facilitate the transcutaneous delivery of therapeutic agents. In some embodiments, agonists of tight junctions are used in compositions to facilitate the uptake of therapeutic agents from the skin. In a particular embodiment, the present invention provides immunogenic compositions comprising a tight junction agonist and an antigen. In a particular embodiment, the present invention provides vaccine compositions comprising a tight junction agonist and an antigen.
    Type: Application
    Filed: May 7, 2008
    Publication date: June 16, 2011
    Applicant: Alba Therapeutics Corporation
    Inventors: Dorothea Sesardic, Blake Paterson
  • Publication number: 20110135679
    Abstract: The invention provides, inter alia, immunogenic compositions that comprise (a) a first antigen, (b) at least first and second adjuvants, wherein the first adjuvant comprises microparticles and wherein the second adjuvant comprises an imidazoquinoline compound, and (c) a pharmaceutically acceptable excipient, which compositions elicits an immune response when administered to a vertebrate subject. The invention also provides methods of producing immunogenic compositions and methods for using immunogenic compositions (e.g., for treatment), among other benefits.
    Type: Application
    Filed: December 7, 2008
    Publication date: June 9, 2011
    Applicant: NOVARTIS AG
    Inventors: Padma Malyala, Derek O'Hagan, Manmohan Singh
  • Publication number: 20100285135
    Abstract: Disclosed herein are sterile-filtered lyophilized nanoparticle compositions which contain at least one biodegradable polymer, at least one surfactant, at least one cryoprotective agent and at least one antigen. Also disclosed are methods of making and using such compositions and kits supplying such compositions.
    Type: Application
    Filed: December 1, 2006
    Publication date: November 11, 2010
    Applicant: NOVARTIS AG
    Inventors: Janet R. Wendorf, Manmohan Singh, Derek T. O'Hagan
  • Publication number: 20100247537
    Abstract: Adjuvant combinations comprising at least one NKT activator, such as alpha-galactosylceramide (?-Gal-Cer) or iGb3, a CD40 agonist and optionally an antigen are disclosed. The use of these immune adjuvants for treatment of various chronic diseases such as cancers is also provided.
    Type: Application
    Filed: April 25, 2008
    Publication date: September 30, 2010
    Inventors: Cory Ahonen, Randolph Noelle
  • Publication number: 20100136043
    Abstract: The invention provides an immunogenic composition comprising at least one antigen in association with micropar-tides, wherein the microparticles are in the same size range as viruses. In addition the invention also provides vaccine compositions and methods of eliciting immune responses in a subject.
    Type: Application
    Filed: October 21, 2009
    Publication date: June 3, 2010
    Applicant: AUSTIN RESEARCH INSTITUTE
    Inventor: Magdalena Plebanski
  • Publication number: 20100112078
    Abstract: The present invention provides a vaccine composition comprising an effective amount of antigen or a nucleic acid encoding antigen, encapsulated in polymeric particles, wherein said polymeric particles comprises nanoparticles, microparticles or combinations thereof, wherein surprisingly the nanoparticle induces cellular response and the microparticle induces humoral response. The invention further provides a method of inducing cellular and/or humoral immune response.
    Type: Application
    Filed: September 25, 2009
    Publication date: May 6, 2010
    Applicant: NATIONAL INSTITUTE OF IMMUNOLOGY
    Inventors: Amulya K. Panda, Kanchan Vibhu
  • Publication number: 20100055129
    Abstract: Disclosed herein are methods of modulation of the viability of a cell. Further disclosed herein are methods of modulating an immune response. Further disclosed herein are methods of identifying agents capable of modulation of the viability of a cell or an immune response. Further disclosed herein are agents and compositions capable of modulation of the viability of a cell or an immune response.
    Type: Application
    Filed: August 28, 2009
    Publication date: March 4, 2010
    Applicant: TAIGA BIOTECHNOLOGIES, INC.
    Inventors: Yosef Refaeli, Brian Curtis Turner
  • Publication number: 20090297559
    Abstract: The present invention provides materials and methods to facilitate the pulmonary delivery of therapeutic agents. In some embodiments, agonists of tight junctions (e.g., zonulin agonists) are used in compositions to facilitate the uptake of therapeutic agents from the pulmonary mucosa.
    Type: Application
    Filed: July 6, 2009
    Publication date: December 3, 2009
    Inventors: Alessio FASANO, Blake Paterson
  • Publication number: 20090280142
    Abstract: A method of detecting osteoporosis in a mammalian is disclosed herein which includes: a) obtaining a sample of a bone related tissue or cells; and b) measuring the concentration of at least a marker which is either bacteria, bacteria produced factors, or HSPs. The method may further include comparing the concentration with concentrations from the same individual over a period of time or against a standard concentration. The marker may be a bacteria, a chaperone molecule, or a bacteria produced. Also provided herein is a method of treating or preventing osteoporosis caused by a bone disease which includes administering to a mammalian subject a therapeutically effective amount of a formulation which is either an HSP antigenic formulation or a bacterial antigenic formulation. The osteoporosis can be caused by a bone disease induced by bone infectious agents such as viruses, bacteria, fungi, protozoa and parasites.
    Type: Application
    Filed: May 18, 2009
    Publication date: November 12, 2009
    Applicant: DEPUY MITEK, INC.
    Inventors: Kai-Uwe Lewandrowski, Debra J. Trantolo
  • Publication number: 20090155330
    Abstract: A microprojection array is provided, comprising an approximately planar base and a plurality of microprojections, wherein the array comprises a vaccine and a polymeric material. The array may have multiple layers. The vaccine may be placed in only one layer. In another embodiment of the invention, a method of preventing a disease is provided, comprising insertion into the skin of a patient an array of microprojections comprising a layer which comprises a vaccine for that disease and a polymer.
    Type: Application
    Filed: October 10, 2008
    Publication date: June 18, 2009
    Applicant: Corium International, Inc.
    Inventors: Esi Ghartey-Tagoe, Janet Wendorf, Steve Williams, Parminder Singh, Robert Wade Worsham, Joseph C. Trautman, Danir Bayramov, Danny Lee Bowers, Andy Klemm, Steven Richard Klemm, Guohua Chen
  • Publication number: 20090142362
    Abstract: Improved vaccine compositions and methods of use thereof are described that elicit production of antibodies in an individual to the individual's own endogenous cholesteryl ester transfer protein (CETP).
    Type: Application
    Filed: November 6, 2007
    Publication date: June 4, 2009
    Applicants: Avant Immunotherapeutics, Inc., Coley Pharmaceutical Group, Inc.
    Inventors: Arthur M. Krieg, Lawrence J. Thomas, Charles W. Rittershaus
  • Publication number: 20090074816
    Abstract: The invention provides in part methods of treating cancers of a specific organ or tissue by administering a composition that is antigenically specific for one or more microbes that are pathogenic in the specific organ or tissue in which the cancer is situated. The formulations of the invention thereby facilitate activation of a treatment response to a cancer in a particular tissue or organ. The compositions may for example include killed or attenuated microbial pathogens, and may be administered at sites distant from the cancer, for example the skin. In some embodiments, microbial species of endogenous flora that are known to cause infection in the relevant organ or tissue may be used in the formulation of the antigenic compositions. In alternative embodiments, exogenous microbial pathogens that are known to cause infection in the relevant organ or tissue may be used in the formulation of the antigenic compositions.
    Type: Application
    Filed: September 19, 2008
    Publication date: March 19, 2009
    Inventor: Harold David Gunn
  • Publication number: 20090010964
    Abstract: The invention provides for a method of enhancing immunological responses to an antigen in a vaccine formulation, and for a vaccine formulation that provides for an enhanced immunological response to an antigen. In the method and formulation the antigen is administered with an adjuvant which adjuvant comprises a solution of nitrous oxide gas in a pharmaceutically acceptable carrier solvent for the gas and which adjuvant includes at least one fatty acid or ester or other suitable derivative thereof selected from the group consisting of oleic acid, linoleic acid, alpha-linolenic acid, gamma-linolenic acid, arachidonic acid, eicosapentaenoic acid [C20: 5?3], decosahexaenoic acid [C22: 6?3], ricinoleic acid and derivatives thereof selected from the group consisting of the C1 to C6 alkyl esters thereof, the glycerol-polyethylene glycol esters thereof and the reaction product of hydrogenated natural oils composed largely of ricinoleic acid based oils, such as castor oil with ethylene oxide.
    Type: Application
    Filed: August 3, 2006
    Publication date: January 8, 2009
    Inventors: Anne Grobler, Abraham Frederik Kotze
  • Publication number: 20080233149
    Abstract: The present invention relates to the use of erythropoietin (EPO) for enhancing immune responses and for the treatment of lymphoproliferative disorders, excluding multiple myeloma. Accordingly to the invention EPO may be administered with a viral or bacterial vaccine.
    Type: Application
    Filed: July 12, 2005
    Publication date: September 25, 2008
    Applicants: YEDA RESEARCH AND DEVELOPMENT CO. LTD., MOR RESEARCH APPLICATIONS LTD.
    Inventors: Moshe Mittelman, Drorit Neumann
  • Publication number: 20080118530
    Abstract: Methods of producing a pathogen with reduced replicative fitness are disclosed, as are attenuated pathogens produced using the methods. In particular examples, the method includes deoptimizing one or more codons in a coding sequence, thereby reducing the replicative fitness of the pathogen. Methods of using the attenuated pathogens as immunogenic compositions are also disclosed.
    Type: Application
    Filed: October 7, 2005
    Publication date: May 22, 2008
    Inventors: Olen M. Kew, Cara C. Burns, Jing Shaw, Raymond Campagnoli, Jacqueline Quay
  • Patent number: 7101553
    Abstract: A prebiotic for enhancement of an immune response, a nutritional composition for enhancement of an immune response; use of a prebiotic in the manufacture of a medicament or nutritional composition for enhancement of an immune response; use of a prebiotic in the manufacture of a medicament or nutritional composition for the prevention or treatment of measles; a method of enhancing an immune response which comprises administering an effective amount of a prebiotic; and a method of prevention or treatment of measles which comprises administering an effective amount of a prebiotic. In preferred embodiments the prebiotic comprises a fructo-oligosaccharide.
    Type: Grant
    Filed: April 13, 2004
    Date of Patent: September 5, 2006
    Assignee: Nestec S.A.
    Inventors: Ferdinand Haschke, Anne-Lise Carrie, Zdenek Kratky, Harriet Link-Amster, Florence Rochat
  • Patent number: 6899884
    Abstract: A new mumps vaccine is presented, comprising a homogeneous pure isolate derived from the Jeryl-Lynn strain of mumps virus. In a preferred embodiment of the invention the vaccine produces higher seroconversion and anitbody titres than know commercial vaccines.
    Type: Grant
    Filed: November 3, 2003
    Date of Patent: May 31, 2005
    Assignee: SmithKline Beecham Biologicals, s.a.
    Inventors: Nigel Maurice Harford, Brigitte Desiree Alberte Colau, Jean Didelez
  • Patent number: 6887484
    Abstract: A vaccine having a good vaccination effect, which comprises an antigen; a peptide selected from the group consisting of a peptide having the amino acid sequence of SEQ ID NO: 1, a peptide having the amino acid sequence of SEQ ID NO: 2, and a peptide derived from a peptide having the amino acid sequence of SEQ ID NO: 1 or SEQ ID NO: 2; and an immune activator.
    Type: Grant
    Filed: July 31, 2002
    Date of Patent: May 3, 2005
    Assignees: Posco, Pohang University of Science & Technology
    Inventors: Yoe-Sik Bae, Youn-Dong Kim, You-Suk Seo, Young-Chul Sung, Pann-Ghill Suh, Sung-Ho Ryu, Taehoon Lee
  • Patent number: 6872396
    Abstract: This invention particularly discloses an improved immunoassay method for the specific detection of anti-rubella IgM antibodies. This method employs rubella antigens comprising rubella E1 and E2 envelope glycoproteins substantially free of capsid protein. Use of this antigen composition reduces or eliminates nonspecific protein-protein interactions leading to false positive results. A sample diluent comprising urea can also be used in the process to further reduce the occurrence of nonspecific protein-protein interactions. A diagnostic kit to aid in the detection of anti-rubella IgM antibodies is also disclosed.
    Type: Grant
    Filed: October 29, 2003
    Date of Patent: March 29, 2005
    Assignee: Viral Antigens, Inc.
    Inventors: Preston H. Dorsett, Frances I. Byrd, Robert F. Devlin
  • Patent number: 6670117
    Abstract: This invention particularly discloses an improved immunoassay method for the specific detection of anti-rubella IgM antibodies. This method employs rubella antigens comprising rubella E1 and E2 envelope glycoproteins substantially free of capsid protein. Use of this antigen composition reduces or eliminates nonspecific protein-protein interactions leading to false positive results. A sample diluent comprising urea can also be used in the process to further reduce the occurrence of nonspecific protein-protein interactions. A diagnostic kit to aid in the detection of anti-rubella IgM antibodies is also disclosed.
    Type: Grant
    Filed: May 7, 2001
    Date of Patent: December 30, 2003
    Assignee: Viral Antigens, Inc.
    Inventors: Preston H. Dorsett, Frances I. Byrd, Robert F. Devlin
  • Patent number: 6664099
    Abstract: A biologically-active material comprising a live virus or mycoplasma is preserved by a method of desiccation, without lyophilisation, in a matrix of glassy trehalose having a residual moisture content of not greater than 2%. The method comprises two vacuum drying stages. In a cycle time much shorter than a typical freeze drying process a virus or mycoplasma can be preserved to provide a material that can be rehydrated to give a vaccine having potency.
    Type: Grant
    Filed: March 8, 2002
    Date of Patent: December 16, 2003
    Assignee: Anhydro Limited
    Inventor: Eric Edward Worrall
  • Publication number: 20030215795
    Abstract: Highly infectious rubella virus cDNA clones derived from infectious cDNA clone having a low specific infectivity and methods of obtaining highly infectious rubella virus cDNA clones. Togavirus expression vectors of improved stability for the expression of live, attenuated togavirus and a foreign gene, based on the nucleic acid sequence of an infectious rubella virus clone and contain a togavirus non-structural protein open reading frame; an expression element for expression of a foreign gene; a foreign gene or a multiple cloning site for insertion of a foreign gene; an expression element for the expression of the live, attenuated togavirus; and a togavirus structural protein open reading frame. The expression element is either a subgenomic promoter or an internal ribosome entry site (IRES). Administration of the vector as an immunization agents is useful for the induction of immuity against the togavirus, the foreign gene, or both.
    Type: Application
    Filed: February 24, 2003
    Publication date: November 20, 2003
    Inventors: Teryl K. Frey, Konstantin V. Pugachev, Emily S. Abernathy, Wen-Pin Tzeng
  • Patent number: 6592874
    Abstract: Isolated nucleic acid molecules are disclosed, comprising an alphavirus nonstructural protein gene which, when operably incorporated into a recombinant alphavirus particle, eukaryotic layered vector initiation system, or RNA vector replicon, has a reduced level of vector-specific RNA synthesis, as compared to wild-type, and the same or greater level of proteins encoded by RNA transcribed from the viral junction region promoter, as compared to a wild-type recombinant alphavirus particle. Also disclosed are RNA vector replicons, alphavirus vector constructs, and eukaryotic layered vector initiation systems which contain the above-identified nucleic acid molecules.
    Type: Grant
    Filed: February 18, 2000
    Date of Patent: July 15, 2003
    Assignee: The Washington University
    Inventors: Sondra Schlesinger, Ilya Frolov
  • Patent number: 6210683
    Abstract: Compositions are provided for improving the stability of live virus vaccines containing, e.g., live varicella zoster, measles, mumps, and rubella viruses. Such improved stabilizers are aqueous solutions containing recombinant human serum albumin (rHA) as a component at from 1-100 g/l. Live virus vaccines as well as methods of preparing live virus vaccines containing the stabilizers are also provided.
    Type: Grant
    Filed: August 26, 1998
    Date of Patent: April 3, 2001
    Assignee: Merck & Co., Inc.
    Inventors: Carl Burke, David Volkin
  • Patent number: 6180758
    Abstract: Synthetic peptides have an amino acids sequence corresponding to at least one antigenic determinant of at least one protein, usually a structural protein, particularly the E1, E2 or C proteins, of rubella virus (RV), are used as is, in hybrid or chimeric tandem T-B form, in lipidated form, linked to a carrier molecule and/or polymerized to form molecular aggregates, in vaccines against rubella. Analogs of peptides which are human T-cell determinants are used to treat rubella-associated autoimmune disorders.
    Type: Grant
    Filed: April 14, 1997
    Date of Patent: January 30, 2001
    Assignee: Connaught Laboratories Limited
    Inventors: Pele Chong, Shirley Gillam, Dawei Ou, Aubrey Tingle