Patents by Inventor Zhichang Xu

Zhichang Xu 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: 20240109056
    Abstract: The present disclosure provides a composite ionic liquid and a preparation method and a use thereof. A first aspect of the present disclosure provides a preparation method of a composite ionic liquid, where an ammonium salt, a first metal salt, a second metal salt, and a third metal salt are sequentially added into a reactor for performing a reaction under different conditions, and the composite ionic liquid is obtained after the reaction is finished. The composite ionic liquid prepared by the method may be used as a catalyst to catalyze an alkylation reaction of isoparaffin with C4 olefin to obtain alkylated oil, which has the advantages of high catalytic activity, long catalytic life, low consumption, and better distribution of the resulting alkylated oil, etc, and thereby significantly reducing the production costs and improving the quality of the resulted alkylated oil.
    Type: Application
    Filed: January 19, 2023
    Publication date: April 4, 2024
    Inventors: Tao ZHENG, Rui ZHANG, Zhichang LIU, Haiyan LIU, Xianghai MENG, Chunming XU
  • Patent number: 11883476
    Abstract: The present invention provides a vaccine for canine Lyme disease and methods of making and using the vaccine alone, or in combinations with other protective agents.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: January 30, 2024
    Assignee: Intervet Inc.
    Inventors: Rhonda LaFleur, Jennifer C. Dant, Mark A. Mogler, Steven M. Callister, Zhichang Xu
  • Patent number: 11730809
    Abstract: The present invention provides new multivalent vaccines for felines. The present invention also provides methods of making and using the multivalent vaccines alone or in combinations with other protective agents.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: August 22, 2023
    Assignee: Intervet Inc.
    Inventors: Zhichang Xu, Rhonda LaFleur, Ian Tarpey
  • Publication number: 20230012140
    Abstract: The present invention is drawn to new oral live canine parainfluenza virus vaccines and related multivalent vaccines. Methods of using the vaccine alone or in combination with one or more other protective immunogens in multivalent vaccines are also provided.
    Type: Application
    Filed: December 17, 2020
    Publication date: January 12, 2023
    Applicant: Intervet Inc.
    Inventors: Rhonda L. LaFleur, Jennifer C. Dant, Ian Tarpey, Zhichang Xu
  • Publication number: 20220008532
    Abstract: The present invention provides new multivalent vaccines for felines. The present invention also provides methods of making and using the multivalent vaccines alone or in combinations with other protective agents.
    Type: Application
    Filed: September 29, 2021
    Publication date: January 13, 2022
    Applicant: Intervet Inc.
    Inventors: Zhichang Xu, Rhonda LaFleur, Ian Tarpey
  • Patent number: 11167027
    Abstract: The present invention provides new multivalent vaccines for felines. The present invention also provides methods of making and using the multivalent vaccines alone or in combinations with other protective agents.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: November 9, 2021
    Assignee: Intervet Inc.
    Inventors: Zhichang Xu, Rhonda LaFleur, Ian Tarpey
  • Publication number: 20200289634
    Abstract: The present invention provides a vaccine for canine Lyme disease and methods of making and using the vaccine alone, or in combinations with other protective agents.
    Type: Application
    Filed: December 3, 2018
    Publication date: September 17, 2020
    Applicant: Intervet Inc.
    Inventors: Rhonda LaFleur, Jennifer C. Dant, Mark A. Mogler, Steven M. Callister, Zhichang Xu
  • Publication number: 20200254088
    Abstract: The present invention provides new multivalent vaccines for felines. The present invention also provides methods of making and using the multivalent vaccines alone or in combinations with other protective agents.
    Type: Application
    Filed: November 5, 2018
    Publication date: August 13, 2020
    Applicant: Intervet Inc.
    Inventors: Zhichang Xu, Rhonda LaFleur, Ian Tarpey
  • Patent number: 9562079
    Abstract: The instant invention provides an immunogenic composition comprising an antigenic fragment of OspA protein of Borrelia burgdorferi and a chimeric protein containing antigenic fragments of different phylotypes of OspC protein of Borrelia burgdorferi. Vaccines incorporating the immunogenic composition of the invention, as well as methods of preventing Lyme disease in dogs and/or protecting dogs from Lyme disease using the vaccines are also provided.
    Type: Grant
    Filed: April 17, 2013
    Date of Patent: February 7, 2017
    Assignees: Zoetis Services LLC, Virginia Commonwealth University
    Inventors: Robert M. Lohse, Patrick F. M. Meeus, Jason J. Millership, Zhichang Xu, Richard Thomas Marconi, Christopher G. Earnhart
  • Publication number: 20160083435
    Abstract: The instant invention provides an immunogenic composition comprising an antigenic fragment of OspA protein of Borrelia burgdorferi and a chimeric protein containing antigenic fragments of different phylotypes of OspC protein of Borrelia burgdorferi. Vaccines incorporating the immunogenic composition of the invention, as well as methods of preventing Lyme disease in dogs and/or protecting dogs from Lyme disease using the vaccines are also provided.
    Type: Application
    Filed: April 17, 2013
    Publication date: March 24, 2016
    Inventors: Robert M. Lohse, Patrick F. M. Meeus, Jason J. Millership, Zhichang Xu, Richard Thomas Marconi, Christopher G. Earnhart
  • Patent number: 9238065
    Abstract: The invention provides an improved Mycoplasma hyopneumoniae bacterin vaccine composition, which advantageously provides immunity from infection after a single administration. The composition comprises an inactivated Mycoplasma hyopneumoniae bacterin and an adjuvant mixture, which, in combination, provide immunity from Mycoplasma hyopneumoniae infection after a single administration, and elicit an immune response specific to Mycoplasma hyopneumoniae bacterin and including cell-mediated immunity and local (secretory IgA) immunity. In a preferred embodiment, the adjuvant mixture comprises an acrylic acid polymer, most preferably CARBOPOL®, and a mixture of a metabolizable oil such as one or more unsaturated terpene hydrocarbons, preferably squalene or squalane, and a polyoxyethylene-polyoxypropylene block copolymer such as PLURONIC®. The vaccine composition may optionally include a preservative, preferably thimerosol and/or EDTA.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: January 19, 2016
    Assignee: ZOETIS SERVICES LLC
    Inventors: Hsien-Jue Chu, Wumin Li, Zhichang Xu
  • Patent number: 9056909
    Abstract: Provided are immunogenic and vaccine compositions and methods for their preparation and use, which compositions are effective in protecting against, minimizing the severity of, preventing, and/or ameliorating M. hyopneumoniae infection. Administration to an animal of one or two doses of an adjuvanted live avirulent M. hyopneumoniae composition disclosed herein is effective in providing immunity to the animal and protection from infection with a virulent strain of M. hyopneumoniae thereby reducing the severity of and/or preventing disease caused by one or more virulent strain of M. hyopneumoniae. Also provided are compositions, which further comprise one or more antigen such as, for example, one or more live bacteria, bacterin, toxoid, and/or virus and/or viral antigen. Exemplified are immunogenic compositions, comprising an adjuvanted live avirulent M.
    Type: Grant
    Filed: November 5, 2008
    Date of Patent: June 16, 2015
    Assignee: Zoetis Services LLC
    Inventors: Hsien-Jue Chu, Zhichang Xu, Wumin Li, Nicole Rae Gibson
  • Publication number: 20140314801
    Abstract: The instant invention provides an immunogenic composition comprising an antigenic fragment of OspA protein of Borrelia burgdorferi and a chimeric protein containing antigenic fragments of different phylotypes of OspC protein of Borrelia burgdorferi. Vaccines incorporating the immunogenic composition of the invention, as well as methods of preventing Lyme disease in dogs and/or protecting dogs from Lyme disease using the vaccines are also provided.
    Type: Application
    Filed: April 17, 2013
    Publication date: October 23, 2014
    Inventors: Robert M. Lohse, Patrick F. M. Meeus, Jason J. Millership, Zhichang Xu
  • Publication number: 20120213816
    Abstract: The invention provides an improved Mycoplasma hyopneumoniae bacterin vaccine composition, which advantageously provides immunity from infection after a single administration. The composition comprises an inactivated Mycoplasma hyopneumoniae bacterin and an adjuvant mixture, which, in combination, provide immunity from Mycoplasma hyopneumoniae infection after a single administration, and elicit an immune response specific to Mycoplasma hyopneumoniae bacterin and including cell-mediated immunity and local (secretory IgA) immunity. In a preferred embodiment, the adjuvant mixture comprises an acrylic acid polymer, most preferably CARBOPOL®, and a mixture of a metabolizable oil such as one or more unsaturated terpene hydrocarbons, preferably squalene or squalane, and a polyoxyethylene-polyoxypropylene block copolymer such as PLURONIC®. The vaccine composition may optionally include a preservative, preferably thimerosol and/or EDTA.
    Type: Application
    Filed: April 27, 2012
    Publication date: August 23, 2012
    Inventors: Hsien-Jue Chu, Wumin Li, Zhichang Xu
  • Patent number: 8187588
    Abstract: The invention provides an improved Mycoplasma hyopneumoniae bacterin vaccine composition, which advantageously provides immunity from infection after a single administration. The composition comprises an inactivated Mycoplasma hyopneumoniae bacterin and an adjuvant mixture, which, in combination, provide immunity from Mycoplasma hyopneumoniae infection after a single administration, and elicit an immune response specific to Mycoplasma hyopneumoniae bacterin and including cell-mediated immunity and local (secretory IgA) immunity. In a preferred embodiment, the adjuvant mixture comprises an acrylic acid polymer, most preferably CARBOPOL®, and a mixture of a metabolizable oil such as one or more unsaturated terpene hydrocarbons, preferably squalene or squalane, and a polyoxyethylene-polyoxypropylene block copolymer such as PLURONIC®. The vaccine composition may optionally include a preservative, preferably thimerosol and/or EDTA.
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: May 29, 2012
    Assignee: Wyeth LLC
    Inventors: Hsien-Jue Chu, Wumin Li, Zhichang Xu
  • Patent number: 7959927
    Abstract: The invention provides an improved Mycoplasma hyopneumoniae bacterin vaccine composition, which advantageously provides immunity from infection after a single administration. The composition comprises an inactivated Mycoplasma hyopneumoniae bacterin and an adjuvant mixture, which, in combination, provide immunity from Mycoplasma hyopneumoniae infection after a single administration, and elicit an immune response specific to Mycoplasma hyopneumoniae bacterin and including cell-mediated immunity and local (secretory IgA) immunity. In a preferred embodiment, the adjuvant mixture comprises an acrylic acid polymer, most preferably CARBOPOL®, and a mixture of a metabolizable oil such as one or more unsaturated terpene hydrocarbons, preferably squalene or squalane, and a polyoxyethylene-polypropylene block copolymer such as PLURONIC®. The vaccine composition may optionally include a preservative, preferably thimerosal and/or EDTA.
    Type: Grant
    Filed: November 16, 2009
    Date of Patent: June 14, 2011
    Assignee: Wyeth LLC
    Inventors: Hsien-Jue Chu, Wumin Li, Zhichang Xu
  • Publication number: 20100119471
    Abstract: The invention provides an improved Mycoplasma hyopneumoniae bacterin vaccine composition, which advantageously provides immunity from infection after a single administration. The composition comprises an inactivated Mycoplasma hyopneumoniae bacterin and an adjuvant mixture, which, in combination, provide immunity from Mycoplasma hyopneumoniae infection after a single administration, and elicit an immune response specific to Mycoplasma hyopneumoniae bacterin and including cell-mediated immunity and local (secretory IgA) immunity. In a preferred embodiment, the adjuvant mixture comprises an acrylic acid polymer, most preferably CARBOPOL®, and a mixture of a metabolizable oil such as one or more unsaturated terpene hydrocarbons, preferably squalene or squalane, and a polyoxyethylene-polyoxypropylene block copolymer such as PLURONIC®. The vaccine composition may optionally include a preservative, preferably thimerosol and/or EDTA.
    Type: Application
    Filed: January 22, 2010
    Publication date: May 13, 2010
    Applicant: Wyeth LLC
    Inventors: Hsien-Jue Chu, Wumin Li, Zhichang Xu
  • Publication number: 20100062018
    Abstract: The invention provides an improved Mycoplasma hyopneumoniae bacterin vaccine composition, which advantageously provides immunity from infection after a single administration. The composition comprises an inactivated Mycoplasma hyopneumoniae bacterin and an adjuvant mixture, which, in combination, provide immunity from Mycoplasma hyopneumoniae infection after a single administration, and elicit an immune response specific to Mycoplasma hyopneumoniae bacterin and including cell-mediated immunity and local (secretory IgA) immunity. In a preferred embodiment, the adjuvant mixture comprises an acrylic acid polymer, most preferably Carbopol, and a mixture of a metabolizable oil such as one or more unsaturated terpene hydrocarbons, preferably squalene or squalane, and a polyoxyethylene-polypropylene block copolymer such as Pluronic®. The vaccine composition may optionally include a preservative, preferably thimerosol and/or EDTA.
    Type: Application
    Filed: November 16, 2009
    Publication date: March 11, 2010
    Applicant: Wyeth
    Inventors: Hsien-Jue Chu, Wumin Li, Zhichang Xu
  • Patent number: 7666439
    Abstract: The invention provides an improved Mycoplasma hyopneumoniae bacterin vaccine composition, which advantageously provides immunity from infection after a single administration. The composition comprises an inactivated Mycoplasma hyopneumoniae bacterin and an adjuvant mixture, which, in combination, provide immunity from Mycoplasma hyopneumoniae infection after a single administration, and elicit an immune response specific to Mycoplasma hyopneumoniae bacterin and including cell-mediated immunity and local (secretory IgA) immunity. In a preferred embodiment, the adjuvant mixture comprises an acrylic acid polymer, most preferably CARBOPOL®, and a mixture of a metabolizable oil such as one or more unsaturated terpene hydrocarbons, preferably squalene or squalane, and a polyoxyethylene-polyoxypropylene block copolymer such as PLURONIC®. The vaccine composition may optionally include a preservative, preferably thimerosol and/or EDTA.
    Type: Grant
    Filed: August 21, 2006
    Date of Patent: February 23, 2010
    Assignee: Wyeth LLC
    Inventors: Hsien-Jue Chu, Wumin Li, Zhichang Xu
  • Patent number: 7622124
    Abstract: The invention provides an improved Mycoplasma hyopneumoniae bacterin vaccine composition, which advantageously provides immunity from infection after a single administration. The composition comprises an inactivated Mycoplasma hyopneumoniae bacterin and an adjuvant mixture, which, in combination, provide immunity from Mycoplasma hyopneumoniae infection after a single administration, and elicit an immune response specific to Mycoplasma hyopneumoniae bacterin and including cell-mediated immunity and local (secretory IgA) immunity. In a preferred embodiment, the adjuvant mixture comprises an acrylic acid polymer, most preferably CARBOPOL®, and a mixture of a metabolizable oil such as one or more unsaturated terpene hydrocarbons, preferably squalene or squalane, and a polyoxyethylene-polypropylene block copolymer such as PLURONIC®. The vaccine composition may optionally include a preservative, preferably thimerosol and/or EDTA.
    Type: Grant
    Filed: January 11, 2007
    Date of Patent: November 24, 2009
    Assignee: Wyeth
    Inventors: Hsien-Jue Chu, Wumin Li, Zhichang Xu