Patents by Inventor David R. Kilpatrick

David R. Kilpatrick 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: 7435539
    Abstract: The present invention discloses a method for detecting the presence of an enterovirus in a clinical sample. The invention additionally discloses a method for typing an enterovirus in a clinical sample. Both methods employ a set of primer oligonucleotides for reverse transcription and amplification that hybridize to conserved regions of the enterovirus genome, and that provide amplicons that include significant portions of the VP1 region that are characteristic of the various serotypes. In the typing method, the invention further provides a database consisting of nucleotide sequences from prototypical enteroviral serotypes, which is used to type the clinical sample by comparing the sequence of its amplicon with each prototypical sequence in the database. The invention additionally provides mixtures of primer oligonucleotides, and a kit for use in conducting the typing method that includes a mixture of the primer oligonucleotides.
    Type: Grant
    Filed: January 25, 2005
    Date of Patent: October 14, 2008
    Assignee: The United States of America as represented by the Secretary of the Department of Health and Human Services
    Inventors: Steven Oberste, Kaija Maher, David R. Kilpatrick, Mark A. Pallansch
  • Patent number: 6846621
    Abstract: The present invention discloses a method for detecting the presence of an enterovirus in a clinical sample. The invention additionally discloses a method for typing an enterovirus in a clinical sample. Both methods employ a set of primer oligonucleotides for reverse transcription and amplification that hybridize to conserved regions of the enterovirus genome, and that provide amplicons that include significant portions of the VP1 region that are characteristic of the various serotypes. In the typing method, the invention further provides a database consisting of nucleotide sequences from prototypical enteroviral serotypes, which is used to type the clinical sample by comparing the sequence of its amplicon with each prototypical sequence in the database. The invention additionally provides mixtures of primer oligonucleotides, and a kit for use in conducting the typing method that includes a mixture of the primer oligonucleotides.
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: January 25, 2005
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Steven Oberste, Kaija Maher, David R. Kilpatrick, Mark A. Pallansch
  • Patent number: 6143494
    Abstract: The ability to rapidly detect wild polioviruses in clinical specimens is a major concern for the world-wide eradication of polioviruses. Provided is a method of detecting polioviruses of all three serotypes from viral isolates of clinical specimens using a pair of degenerate PCR primers. This primer set, which uses deoxyinosine residues to compensate for third position mismatches at specific positions, recognizes nucleotide sequences near the receptor binding site of polioviruses. These sequences are unique to polioviruses and are absolutely conserved at the amino acid level. As a result, these PCR primers do not recognize nonpoliovirus enteroviruses. All poliovirus serotypes (40 poliovaccine related genotypes and 120 wild poliovirus genotypes from around the world) tested positive. All 14 prototype strains of nonpoliovirus enteroviruses tested negative.
    Type: Grant
    Filed: September 25, 1997
    Date of Patent: November 7, 2000
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventor: David R. Kilpatrick
  • Patent number: 5691134
    Abstract: The ability to rapidly detect wild polioviruses in clinical specimens is a major concern for the world-wide eradication of polioviruses. Provided is a method of detecting polioviruses of all three serotypes from viral isolates of clinical specimens using a pair of degenerate PCR primers. This primer set, which uses deoxyinosine residues to compensate for third position mismatches at specific positions, recognizes nucleotide sequences near the receptor binding site of polioviruses. These sequences are unique to polioviruses and are absolutely conserved at the amino acid level. As a result, these PCR primers do not recognize nonpoliovirus enteroviruses. All poliovirus serotypes (40 poliovaccine related genotypes and 120 wild poliovirus genotypes from around the world) tested positive. All 14 prototype strains of nonpoliovirus enteroviruses tested negative.
    Type: Grant
    Filed: July 11, 1994
    Date of Patent: November 25, 1997
    Assignee: The United States of America as represented by Secretary, Dept. HHS, NTH, OTT
    Inventor: David R. Kilpatrick
  • Patent number: 5585477
    Abstract: The ability to rapidly detect wild polioviruses in clinical specimens is a major concern for the world-wide eradication of polioviruses. This report describes a method of detecting polioviruses of all three serotypes from viral isolates of clinical specimens using a pair of degenerate PCR primers. This primer set, which uses deoxyinosine residues to compensate for third position mismatches, recognizes nucleotide sequences near the receptor binding site of polioviruses. These sequences are unique to polioviruses and are absolutely conserved at the amino acid level. As a result, these PCR primers do not recognize nonpoliovirus enteroviruses. All poliovirus serotypes (40 poliovaccine related genotypes and 120 wild poliovirus genotypes from around the world) tested positive. All 14 prototype strains of nonpoliovirus enteroviruses tested negative. This "pan-poliovirus" degenerate PCR primer set will be useful in rapidly diagnosing poliovirus infections from world-wide clinical specimens.
    Type: Grant
    Filed: July 13, 1993
    Date of Patent: December 17, 1996
    Inventor: David R. Kilpatrick