Patents by Inventor Shi-Jun Ma

Shi-Jun Ma 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: 9956279
    Abstract: A premixed multivalent vaccine in ready-to-use form comprising PCV2 ORF2 capsid antigen and M. hyopneumoniae antigen that reduces or prevents PCV2 infection and/or M. hyopneumoniae infection in pigs after a single dose administration of the vaccine is disclosed.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: May 1, 2018
    Assignee: Protatek International, Inc.
    Inventors: Shi Jun Ma, Jing Sui
  • Publication number: 20170216424
    Abstract: A premixed multivalent vaccine in ready-to-use form comprising PCV2 ORF2 capsid antigen and M. hyopneumoniae antigen that reduces or prevents PCV2 infection and/or M. hyopneumoniae infection in pigs after a single dose administration of the vaccine is disclosed.
    Type: Application
    Filed: April 10, 2017
    Publication date: August 3, 2017
    Inventors: Shi Jun MA, Jing SUI
  • Patent number: 9649370
    Abstract: A premixed multivalent vaccine in ready-to-use form comprising PCV2 ORF2 capsid antigen and M. hyopneumoniae antigen that reduces or prevents PCV2 infection and/or M. hyopneumoniae infection in pigs after a single dose administration of the vaccine is disclosed.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: May 16, 2017
    Assignee: Protatek International, Inc.
    Inventors: Shi Jun Ma, Jing Sui
  • Publication number: 20160082095
    Abstract: A premixed multivalent vaccine in ready-to-use form comprising PCV2 ORF2 capsid antigen and M. hyopneumoniae antigen that reduces or prevents PCV2 infection and/or M. hyopneumoniae infection in pigs after a single dose administration of the vaccine is disclosed.
    Type: Application
    Filed: May 8, 2014
    Publication date: March 24, 2016
    Inventors: Shi Jun MA, Jing SUI
  • Patent number: 7666585
    Abstract: Chimeric replicons of North American Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) containing the 5? sequence of an avirulent strain of PRRSV and a 3? sequence of a virulent strain of PRRSV are provided. Further provided is a method of producing attenuated PRRSV from the chimeric replicon. Also provided are compositions containing the replicon or attenuated virus. Vaccines and a method of vaccinating pigs against PRRSV are also provided.
    Type: Grant
    Filed: June 15, 2007
    Date of Patent: February 23, 2010
    Assignee: ProtaTek International, Inc.
    Inventors: Xuexian Zhang, Shi-jun Ma
  • Publication number: 20080311143
    Abstract: Chimeric replicons of North American Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) containing the 5? sequence of an avirulent strain of PRRSV and a 3? sequence of a virulent strain of PRRSV are provided. Further provided is a method of producing attenuated PRRSV from the chimeric replicon. Also provided are compositions containing the replicon or attenuated virus. Vaccines and a method of vaccinating pigs against PRRSV are also provided.
    Type: Application
    Filed: June 15, 2007
    Publication date: December 18, 2008
    Applicant: PROTATEK INTERNATIONAL, INC.
    Inventors: Xuexian Zhang, Shi-jun Ma
  • Patent number: 7273617
    Abstract: Infectious cDNA clones of North American Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) are provided. Further provided are cDNA clones comprising genetic mutations. Also provided are vaccines comprising cDNAs, including genetically and immunologically marked vaccines for North American PRRSV.
    Type: Grant
    Filed: October 29, 2004
    Date of Patent: September 25, 2007
    Assignee: ProtaTek International, Inc.
    Inventors: Shishan Yuan, Shi-jun Ma
  • Publication number: 20050238661
    Abstract: Infectious cDNA clones of North American Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) are provided. Further provided are cDNA clones comprising genetic mutations. Also provided are vaccines comprising cDNAs, including genetically and immunologically marked vaccines for North American PRRSV.
    Type: Application
    Filed: October 29, 2004
    Publication date: October 27, 2005
    Applicant: ProtaTek International, Inc.
    Inventors: Shishan Yuan, Shi-jun Ma
  • Patent number: 6841364
    Abstract: Infectious cDNA clones of North American Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) are provided. Further provided are cDNA clones comprising genetic mutations. Also provided are vaccines comprising cDNAs, including genetically and immunologically marked vaccines for North American PRRSV.
    Type: Grant
    Filed: January 16, 2003
    Date of Patent: January 11, 2005
    Assignee: ProtaTek International, Inc.
    Inventors: Shishan Yuan, Shi-Jun Ma
  • Publication number: 20030138916
    Abstract: Infectious cDNA clones of North American Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) are provided. Further provided are cDNA clones comprising genetic mutations. Also provided are vaccines comprising cDNAs, including genetically and immunologically marked vaccines for North American PRRSV.
    Type: Application
    Filed: January 16, 2003
    Publication date: July 24, 2003
    Applicant: ProtaTek International, Inc.
    Inventors: Shishan Yuan, Shi-Jun Ma