Patents by Inventor David Ewell Slade

David Ewell Slade 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).

  • North American porcine reproductive and respiratory syndrome (PRRS) virus and uses thereof
    Patent number: 11904011
    Abstract: The invention provides isolated polynucleotide molecules that comprise a DNA sequence encoding an infectious RNA sequence encoding a genetically-modified North American PRRS virus, methods to make it and related polypeptides, polynucleotides, and various components. Vaccines comprising the genetically modified virus and polynucleotides and a diagnostic kit to distinguish between naturally infected and vaccinated animals are also provided.
    Type: Grant
    Filed: June 6, 2022
    Date of Patent: February 20, 2024
    Assignee: Zoetis Services LLC
    Inventors: Jay Gregory Calvert, David Ewell Slade, Siao-Kun W. Welch
  • North American Porcine Reproductive and Respiratory Syndrome (PRRS) Virus and Uses Thereof
    Publication number: 20220305110
    Abstract: The invention provides isolated polynucleotide molecules that comprise a DNA sequence encoding an infectious RNA sequence encoding a genetically-modified North American PRRS virus, methods to make it and related polypeptides, polynucleotides, and various components. Vaccines comprising the genetically modified virus and polynucleotides and a diagnostic kit to distinguish between naturally infected and vaccinated animals are also provided.
    Type: Application
    Filed: June 6, 2022
    Publication date: September 29, 2022
    Inventors: Jay Gregory CALVERT, David Ewell SLADE, Siao-Kun W. WELCH
  • North American porcine reproductive and respiratory syndrome (PRRS) virus and uses thereof
    Patent number: 11351243
    Abstract: The invention provides isolated polynucleotide molecules that comprise a DNA sequence encoding an infectious RNA sequence encoding a genetically-modified North American PRRS virus, methods to make it and related polypeptides, polynucleotides, and various components. Vaccines comprising the genetically modified virus and polynucleotides and a diagnostic kit to distinguish between naturally infected and vaccinated animals are also provided.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: June 7, 2022
    Assignee: Zoetis Services LLC
    Inventors: Jay Gregory Calvert, David Ewell Slade, Siao-Kun W. Welch
  • NORTH AMERICAN PORCINE REPRODUCTIVE AND RESPIRATORY SYNDROME (PRRS) VIRUS AND USES THEREOF
    Publication number: 20200197507
    Abstract: The invention provides isolated polynucleotide molecules that comprise a DNA sequence encoding an infectious RNA sequence encoding a genetically-modified North American PRRS virus, methods to make it and related polypeptides, polynucleotides, and various components. Vaccines comprising the genetically modified virus and polynucleotides and a diagnostic kit to distinguish between naturally infected and vaccinated animals are also provided.
    Type: Application
    Filed: March 4, 2020
    Publication date: June 25, 2020
    Inventors: Jay Gregory Calvert, David Ewell Slade, Siao-Kun W. Welch
  • PCV2B divergent vaccine composition and methods of use
    Patent number: 9987348
    Abstract: This invention provides a vaccine composition for protecting pigs against PCV2, including a highly virulent porcine circovirus type 2b (PCV2b) divergent strain, the composition including a PCV2b divergent ORF2 polypeptide, wherein the ORF2 polypeptide comprises Leucine (L) at position 89, Threonine (T) at position 90, and Aspargine (N) at position 134, according to the numbering of SEQ ID NO: 1 herein.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: June 5, 2018
    Assignee: Zoetis Services LLC
    Inventors: Gregory Paul Nitzel, David Ewell Slade
  • North American Porcine Reproductive and Respiratory Syndrome (PRRS) Virus and Uses Thereof
    Publication number: 20170136116
    Abstract: The invention provides isolated polynucleotide molecules that comprise a DNA sequence encoding an infectious RNA sequence encoding a genetically-modified North American PRRS virus, methods to make it and related polypeptides, polynucleotides, and various components. Vaccines comprising the genetically modified virus and polynucleotides and a diagnostic kit to distinguish between naturally infected and vaccinated animals are also provided.
    Type: Application
    Filed: January 20, 2017
    Publication date: May 18, 2017
    Inventors: Jay Gregory CALVERT, David Ewell SLADE, Siao-Kun W. WELCH
  • North American porcine reproductive and respiratory syndrome (PRRS) virus and uses thereof
    Patent number: 9566324
    Abstract: The invention provides isolated polynucleotide molecules that comprise a DNA sequence encoding an infectious RNA sequence encoding a genetically-modified North American PRRS virus, methods to make it and related polypeptides, polynucleotides, and various components. Vaccines comprising the genetically modified virus and polynucleotides and a diagnostic kit to distinguish between naturally infected and vaccinated animals are also provided.
    Type: Grant
    Filed: November 9, 2011
    Date of Patent: February 14, 2017
    Assignee: Zoetis Services LLC
    Inventors: Jay Gregory Calvert, David Ewell Slade, Siao-Kun W. Welch
  • North American Porcine Reproductive and Respiratory Syndrome (PRRS) Virus and Uses Thereof
    Publication number: 20140072589
    Abstract: The invention provides isolated polynucleotide molecules that comprise a DNA sequence encoding an infectious RNA sequence encoding a genetically-modified North American PRRS virus, methods to make it and related polypeptides, polynucleotides, and various components. Vaccines comprising the genetically modified virus and polynucleotides and a diagnostic kit to distinguish between naturally infected and vaccinated animals are also provided.
    Type: Application
    Filed: November 9, 2011
    Publication date: March 13, 2014
    Applicant: ZOETIS LLC
    Inventors: Jay Gregory Calvert, David Ewell Slade, Siao-Kun W. Welch