Patents by Inventor Barry R. O'Keefe

Barry R. O'Keefe 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: 8067530
    Abstract: A scytovirin domain 1 (SD1) polypeptide, a nucleic acid encoding the polypeptide, and related fusion proteins, conjugates, isolated cells, vectors, and antibodies, as well as a method of inhibiting a viral infection using the same.
    Type: Grant
    Filed: May 24, 2006
    Date of Patent: November 29, 2011
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Barry R. O'Keefe, Chang-yun Xiong, James B. McMahon, Andrew Byrd
  • Publication number: 20110189105
    Abstract: An isolated and purified nucleic acid molecule that encodes a polypeptide comprising at least eight contiguous amino acids of SEQ ID NO: 3, wherein the at least eight contiguous amino acids have anti-viral activity, as well as an isolated and purified nucleic acid molecule that encodes a polypeptide comprising at least eight contiguous amino acids of SEQ ID NO: 3, wherein the at least eight contiguous amino acids have anti-viral activity, and, when the at least eight contiguous amino acids comprise amino acids 1-121 of SEQ ID NO: 3, the at least eight contiguous amino acids have been rendered glycosylation-resistant, a vector comprising such an isolated and purified nucleic acid molecule, a host cell comprising the nucleic acid molecule, optionally in the form of a vector, a method of producing an anti-viral polypeptide or conjugate thereof, the anti-viral polypeptide itself, a conjugate or fusion protein comprising the anti-viral polypeptide, and compositions comprising an effective amount of the anti-viral
    Type: Application
    Filed: February 7, 2011
    Publication date: August 4, 2011
    Applicant: The USA as represented by the Secretary, Departmen of Health and Human Services
    Inventors: Michael R. Boyd, Toshiyuki Mori, Barry R. O'Keefe
  • Patent number: 7884178
    Abstract: An isolated and purified nucleic acid molecule that encodes a polypeptide comprising at least eight contiguous amino acids of SEQ ID NO: 3, wherein the at least eight contiguous amino acids have anti-viral activity, as well as an isolated and purified nucleic acid molecule that encodes a polypeptide comprising at least eight contiguous amino acids of SEQ ID NO: 3, wherein the at least eight contiguous amino acids have anti-viral activity, and, when the at least eight contiguous amino acids comprise amino acids 1-121 of SEQ ID NO: 3, the at least eight contiguous amino acids have been rendered glycosylation-resistant, a vector comprising such an isolated and purified nucleic acid molecule, a host cell comprising the nucleic acid molecule, optionally in the form of a vector, a method of producing an anti-viral polypeptide or conjugate thereof, the anti-viral polypeptide itself, a conjugate or fusion protein comprising the anti-viral polypeptide, and compositions comprising an effective amount of the anti-viral
    Type: Grant
    Filed: May 27, 2005
    Date of Patent: February 8, 2011
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Michael R. Boyd, Toshiyuki Mori, Barry R. O'Keefe
  • Publication number: 20100240578
    Abstract: The invention is directed to a method of inhibiting prophylactically or therapeutically an H5N1 viral infection in a host, which method comprises administering to the host an anti-viral effective amount of an antiviral protein comprising the amino acid sequence of SEQ ID NO: 1 or a nucleic acid encoding the antiviral protein, as well as antiviral portions, variants, and conjugates thereof.
    Type: Application
    Filed: August 17, 2007
    Publication date: September 23, 2010
    Applicant: The United States of America, as represented by the Secretary, Dept. of Health and Human Services
    Inventors: Barry R. O'Keefe, James B. McMahon
  • Publication number: 20100221242
    Abstract: A method of inhibiting a viral infection of a host comprising administering to the host an anti-viral griffithsin polypeptide comprising SEQ ID NO: 3 or a fragment thereof comprising at least eight contiguous amino acids, a nucleic acid encoding the anti-viral polypeptide, or an antibody to the anti-viral polypeptide. A method of inhibiting a virus in a sample comprising contacting the sample with an anti-viral griffithsin polypeptide or antibody thereto also is provided.
    Type: Application
    Filed: December 1, 2006
    Publication date: September 2, 2010
    Inventors: Barry R. O'Keefe, Toshiyuki Mori, James B. McMahon
  • Patent number: 7547509
    Abstract: The present invention provides variants of cyanovirin-N and water-soluble polymer conjugates thereof, and methods of preparing such conjugates. The cyanovirin-N of the invention are particularly suited for site-selective covalent attachment of one or more water soluble polymers, to provide polymer conjugates of cyanovirin-N variants exhibiting antiviral activity.
    Type: Grant
    Filed: August 2, 2007
    Date of Patent: June 16, 2009
    Assignees: Nektar Therapeutics AL, Corporation, National Institute of Heatlh
    Inventors: M. Elizabeth Snell, Michael J. Roberts, Toshiyuki Mori, Barry R. O'Keefe, Michael R. Boyd
  • Publication number: 20090092557
    Abstract: An isolated and purified nucleic acid molecule that encodes a polypeptide comprising at least eight contiguous amino acids of SEQ ID NO: 3, wherein the at least eight contiguous amino acids have anti-viral activity, as well as an isolated and purified nucleic acid molecule that encodes a polypeptide comprising at least eight contiguous amino acids of SEQ ID NO: 3, wherein the at least eight contiguous amino acids have anti-viral activity, and, when the at least eight contiguous amino acids comprise amino acids 1-121 of SEQ ID NO: 3, the at least eight contiguous amino acids have been rendered glycosylation-resistant, a vector comprising such an isolated and purified nucleic acid molecule, a host cell comprising the nucleic acid molecule, optionally in the form of a vector, a method of producing an anti-viral polypeptide or conjugate thereof, the anti-viral polypeptide itself, a conjugate or fusion protein comprising the anti-viral polypeptide, and compositions comprising an effective amount of the anti-viral
    Type: Application
    Filed: May 27, 2005
    Publication date: April 9, 2009
    Applicant: Government of the United States of America Department of Health and Human Services
    Inventors: Michael R. Boyd, Toshiyuki Mori, Barry R. O'Keefe
  • Patent number: 7491798
    Abstract: An isolated or purified antiviral protein of SEQ ID NO: 1, nucleic acids encoding the antiviral protein, cells comprising the nucleic acids, and methods of inhibiting viral infection comprising contacting the virus with the antiviral protein.
    Type: Grant
    Filed: May 15, 2003
    Date of Patent: February 17, 2009
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Michael R. Boyd, Heidi R. Bokesch, Barry R. O'Keefe, Tawnya C. McKee
  • Publication number: 20080311125
    Abstract: A scytovirin domain 1 (SD1) polypeptide, a nucleic acid encoding the polypeptide, and related fusion proteins, conjugates, isolated cells, vectors, and antibodies, as well as a method of inhibiting a viral infection using the same.
    Type: Application
    Filed: May 24, 2006
    Publication date: December 18, 2008
    Applicant: Office of Technology Transfer
    Inventors: Barry R. O'Keefe, Chang-yun Xiong, James B. McMahon, Andrew Byrd
  • Patent number: 7339037
    Abstract: The invention provides a method of inhibiting prophylactically or therapeutically an influenza viral infection in a host. The method comprises instilling into or onto a host a cell producing an antiviral protein, antiviral peptide, or antiviral conjugate comprising at least nine contiguous amino acids of SEQ ID NO: 2, wherein the at least nine contiguous amino acids are nonglycosylated and have antiviral activity, whereupon the influenza viral infection is inhibited.
    Type: Grant
    Filed: May 28, 2004
    Date of Patent: March 4, 2008
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Michael R. Boyd, Barry R. O'Keefe, Toshiyuki Mori, Angela M. Gronenborn
  • Patent number: 7267941
    Abstract: The present invention provides variants of cyanovirin-N and water-soluble polymer conjugates thereof. The cyanovirin-N of the invention are particularly suited for site-selective covalent attachment of one or more water soluble polymers, to provide polymer conjugates of cyanovirin-N variants exhibiting antiviral activity.
    Type: Grant
    Filed: December 18, 2003
    Date of Patent: September 11, 2007
    Assignees: The Government of the United States of America as represented by The Secretary of The Department of Health and Human Services, The National Institutes of Health, Nektar Therapeutics AL
    Inventors: M. Elizabeth Snell, Michael J. Roberts, Toshiyuki Mori, Barry R. O'Keefe, Michael R. Boyd
  • Publication number: 20040258706
    Abstract: The present invention provides variants of cyanovirin-N and water-soluble polymer conjugates thereof. The cyanovirin-N of the invention are particularly suited for site-selective covalent attachment of one or more water soluble polymers, to provide polymer conjugates of cyanovirin-N variants exhibiting antiviral activity.
    Type: Application
    Filed: December 18, 2003
    Publication date: December 23, 2004
    Inventors: M. Elizabeth Snell, Michael J. Roberts, Toshiyuki Mori, Barry R. O'Keefe, Michael R. Boyd
  • Publication number: 20040220107
    Abstract: The invention provides a method of inhibiting prophylactically or therapeutically an influenza viral infection in a host. The method comprises instilling into or onto a host a cell producing an antiviral protein, antiviral peptide, or antiviral conjugate comprising at least nine contiguous amino acids of SEQ ID NO: 2, wherein the at least nine contiguous amino acids are nonglycosylated and have antiviral activity, whereupon the influenza viral infection is inhibited.
    Type: Application
    Filed: May 28, 2004
    Publication date: November 4, 2004
    Applicant: The Government of the U.S.A. as Represented by the Secretary, Dept. of Health and Human Services
    Inventors: Michael R. Boyd, Barry R. O'Keefe, Toshiyuki Mori, Angela M. Gronenborn