Patents by Inventor David Xiang YU

David Xiang YU 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).

  • Patent number: 12225917
    Abstract: This invention relates to berberine alkaloids, formulations thereof, and their use in the prevention and/or treatment of infectious disease in animals, particularly Lawsonia infection. In particular, the invention relates to berberine alkaloids, formulations thereof, and their application as antimicrobial agents in the prevention and/or treatment of infectious disease including bacterial, viral, parasitic or fungal infections, and for improving feed conversion ratio in food-producing animals. Also described is the use of berberine alkaloids as feed preservatives, added to feed compositions, and used in combination with further agents suitable for treating infectious disease.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: February 18, 2025
    Assignee: IRP HEALTH PTY LTD
    Inventors: David Xiang Yu, Zhicheng Xiao, Colin William Pouton, Zhiyong He
  • Publication number: 20250032455
    Abstract: The disclosure relates to nitroimidazoles and related compounds and derivatives, formulations thereof, and their use in the prevention and/or treatment of infectious disease in animals. In particular, the disclosure relates to 5-nitroimidazoles and related compounds and derivatives, formulations thereof, and their use in the prevention and/or treatment of infectious disease in animals including bacterial, viral, parasitic or fungal infections. More particularly, the invention relates to metronidazole and related compounds and derivatives, formulations thereof, and their use in the prevention and/or treatment of infectious disease caused by Clostridium species. Most preferably, the nitroimidazole is metronidazole administered in combination with berberine, or a berberine alkaloid, in a synergistic weight ratio of 1:1 or 1:2.
    Type: Application
    Filed: October 11, 2024
    Publication date: January 30, 2025
    Inventors: Zhicheng XIAO, David Xiang YU, Colin William POUTON, Zhiyong HE
  • Patent number: 12171748
    Abstract: The disclosure relates to nitroimidazoles and related compounds and derivatives, formulations thereof, and their use in the prevention and/or treatment of infectious disease in animals. In particular, the disclosure relates to 5-nitroimidazoles and related compounds and derivatives, formulations thereof, and their use in the prevention and/or treatment of infectious disease in animals including bacterial, viral, parasitic or fungal infections. More particularly, the invention relates to metronidazole and related compounds and derivatives, formulations thereof, and their use in the prevention and/or treatment of infectious disease caused by Clostridium species. Most preferably, the nitroimidazole is metronidazole administered in combination with berberine, or a berberine alkaloid, in a synergistic weight ratio of 1:1 or 1:2.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: December 24, 2024
    Assignee: IRP HEALTH PTY LTD
    Inventors: Zhicheng Xiao, David Xiang Yu, Colin William Pouton, Zhiyong He
  • Publication number: 20240306670
    Abstract: This invention relates to berberine alkaloids, formulations thereof and their use for the prevention and/or treatment of infectious disease in animals.
    Type: Application
    Filed: April 25, 2024
    Publication date: September 19, 2024
    Inventors: David Xiang YU, Zhicheng XIAO, Colin William POUTON, Zhiyong HE
  • Publication number: 20230404107
    Abstract: This invention relates to berberine alkaloids, formulations thereof and their use for the prevention and/or treatment of infectious disease, especially disease caused by C. perfringens and Eimeria in animals. The invention also relates to improving the feed conversion ratio in a food producing animal by administering berberine compositions.
    Type: Application
    Filed: January 2, 2018
    Publication date: December 21, 2023
    Applicant: IRP Health Pty Ltd
    Inventors: David Xiang YU, Zhicheng XIAO, Colin William POUTON, Zhiyong HE
  • Publication number: 20210329946
    Abstract: This invention relates to berberine alkaloids, formulations thereof, and their use in the prevention and/or treatment of infectious disease in animals, particularly Lawsonia infection. In particular, the invention relates to berberine alkaloids, formulations thereof, and their application as antimicrobial agents in the prevention and/or treatment of infectious disease including bacterial, viral, parasitic or fungal infections, and for improving feed conversion ratio in food-producing animals. Also described is the use of berberine alkaloids as feed preservatives, added to feed compositions, and used in combination with further agents suitable for treating infectious disease.
    Type: Application
    Filed: March 28, 2018
    Publication date: October 28, 2021
    Applicant: IRP Health Pty Ltd
    Inventors: David Xiang YU, Zhicheng XIAO, Colin William POUTON, Zhiyong HE
  • Publication number: 20210220335
    Abstract: The disclosure relates to nitroimidazoles and related compounds and derivatives, formulations thereof, and their use in the prevention and/or treatment of infectious disease in animals. In particular, the disclosure relates to 5-nitroimidazoles and related compounds and derivatives, formulations thereof, and their use in the prevention and/or treatment of infectious disease in animals including bacterial, viral, parasitic or fungal infections. More particularly, the invention relates to metronidazole and related compounds and derivatives, formulations thereof, and their use in the prevention and/or treatment of infectious disease caused by Clostridium species. Most preferably, the nitroimidazole is metronidazole administered in combination with berberine, or a berberine alkaloid, in a synergistic weight ratio of 1:1 or 1:2.
    Type: Application
    Filed: May 29, 2019
    Publication date: July 22, 2021
    Applicant: IRP Health Pty Ltd
    Inventors: Zhicheng XIAO, David Xiang YU, Colin William POUTON, Zhiyong HE