Patents by Inventor Dongwan Yoo

Dongwan Yoo 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).

  • N protein mutants of porcine reproductive and respiratory syndrome virus
    Patent number: 8128937
    Abstract: The present invention provides a genetically modified PRRS virus, methods to make it and related polypeptides, polynucleotides and various components. Vaccines comprising the genetically modified virus and polynucleotides are also provided.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: March 6, 2012
    Assignee: Pfizer Inc.
    Inventors: Dongwan Yoo, Changhee Lee, Jay Gregory Calvert, Siao-Kun Welch
  • Mutant porcine reproductive and respiratory syndrome virus
    Patent number: 7879337
    Abstract: The present invention provides a genetically modified PRRS virus which has been modified such that the conserved cysteine in the E protein has been deleted or changed to a non-cysteine residue and polynucleotides that encode it. Vaccines comprising the genetically modified virus and polynucleotides are also provided.
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: February 1, 2011
    Assignee: Pfizer Inc.
    Inventors: Dongwan Yoo, Changhee Lee, Jay Gregory Calvert
  • N Protein Muants of Porcine Reproductive and Respiratory Syndrome Virus
    Publication number: 20100136051
    Abstract: The present invention provides a genetically modified PRRS virus, methods to make it and related polypeptides, polynucleotides and various components. Vaccines comprising the genetically modified virus and polynucleotides are also provided.
    Type: Application
    Filed: November 3, 2009
    Publication date: June 3, 2010
    Inventors: Dongwan Yoo, Changhee Lee, Jay Gregory Calvert, Siao-Kun Welch
  • N protein mutants of porcine reproductive and respiratory syndrome virus
    Publication number: 20090226486
    Abstract: The present invention provides a genetically modified PRRS virus, methods to make it and related polypeptides, polynucleotides and various components. Vaccines comprising the genetically modified virus and polynucleotides are also provided.
    Type: Application
    Filed: March 30, 2009
    Publication date: September 10, 2009
    Inventors: Dongwan Yoo, Changhee Lee, Jay Gregory Calvert, Siao-Kun Welch
  • N protein mutants of porcine reproductive and respiratory syndrome virus
    Patent number: 7544362
    Abstract: The present invention provides a genetically modified PRRS virus, methods to make it and related polypeptides, polynucleotides and various components. Vaccines comprising the genetically modified virus and polynucleotides are also provided.
    Type: Grant
    Filed: February 22, 2006
    Date of Patent: June 9, 2009
    Assignee: Pfizer Inc.
    Inventors: Dongwan Yoo, Changhee Lee, Jay Gregory Calvert, Siao-Kun Welch
  • N PROTEIN MUTANTS OF PORCINE REPRODUCTIVE AND RESPIRATORY SYNDROME VIRUS
    Publication number: 20090130143
    Abstract: The present invention provides a genetically modified PRRS virus, methods to make it and related polypeptides, polynucleotides and various components. Vaccines comprising the genetically modified virus and polynucleotides are also provided.
    Type: Application
    Filed: February 22, 2006
    Publication date: May 21, 2009
    Inventors: Dongwan Yoo, Changhee Lee, Jay Gregory Calvert, Siao-Kun Welch
  • Mutant Porcine Reproductive and Respiratory Syndrome Virus
    Publication number: 20090004221
    Abstract: The present invention provides a genetically modified PRRS virus which has been modified such that the conserved cysteine in the E protein has been deleted or changed to a non-cysteine residue and polynucleotides that encode it. Vaccines comprising the genetically modified virus and polynucleotides are also provided.
    Type: Application
    Filed: November 2, 2005
    Publication date: January 1, 2009
    Applicant: PFIZER PRODUCTS INC.
    Inventors: Dongwan Yoo, Changhee Lee, Jay Gregory Calvert