Patents by Inventor Yanyan Ni

Yanyan Ni 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).

  • Modified live-attenuated vaccines (MLV) created by DNA shuffling against porcine reproductive and respiratory syndrome virus (PRRSV)
    Patent number: 9132185
    Abstract: The present invention provides a novel infectious cDNA clone of porcine reproductive and respiratory syndrome virus (PRRSV), particularly for PRRSV strain VR2385; an improved DNA-launched reverse genetics system for PRRSV; infectious chimeric PRRSV viruses generated through DNA shuffling; modified live-attenuated virus vaccines (MLV) using DNA shuffled chimeric viruses; chimeric viral proteins produced through shuffled chimeric viruses; PRRSV antigens and subunit vaccines based on shuffled chimeric viral proteins; and method of producing broadly protective PRRSV vaccines using DNA shuffling techniques.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: September 15, 2015
    Assignee: Virginia Tech Intellectual Properties, Inc.
    Inventors: Yanyan Ni, Yaowei Huang, Xiang-Jin Meng
  • NOVEL MODIFIED LIVE-ATTENUATED VACCINES (MLV) CREATED BY DNA SHUFFLING AGAINST PORCINE REPRODUCTIVE AND RESPIRATORY SYNDROME VIRUS (PRRSV)
    Publication number: 20130142824
    Abstract: The present invention provides a novel infectious cDNA clone of porcine reproductive and respiratory syndrome virus (PRRSV), particularly for PRRSV strain VR2385; an improved DNA-launched reverse genetics system for PRRSV; infectious chimeric PRRSV viruses generated through DNA shuffling; modified live- attenuated virus vaccines (MLV) using DNA shuffled chimeric viruses; chimeric viral proteins produced through shuffled chimeric viruses; PRRSV antigens and subunit vaccines based on shuffled chimeric viral proteins; and method of producing broadly protective PRRSV vaccines using DNA shuffling techniques.
    Type: Application
    Filed: June 2, 2011
    Publication date: June 6, 2013
    Applicant: VIRGINIA TECH INTELLECTUAL PROPERTIES, INC.
    Inventors: Yanyan Ni, Yao-Wei Huang, Xiang-Jin Meng