Patents by Inventor James E. Samuel

James E. Samuel 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: 10967055
    Abstract: A vaccine includes at least one bacterial antigen capable of producing an immune response in a host when the vaccine is administered at a dose that is sufficient for preventing or treating Q fever in the host. The vaccine composition confers immunity against Q fever without the reactogenic side effects observed in prior art vaccines.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: April 6, 2021
    Assignee: The Texas A&M University System
    Inventors: James E. Samuel, Erin J. Van Schaik, Anthony E. Gregory
  • Publication number: 20190083598
    Abstract: A vaccine includes at least one bacterial antigen capable of producing an immune response in a host when the vaccine is administered at a dose that is sufficient for preventing or treating Q fever in the host. The vaccine composition confers immunity against Q fever without the reactogenic side effects observed in prior art vaccines.
    Type: Application
    Filed: August 27, 2018
    Publication date: March 21, 2019
    Inventors: James E. Samuel, Erin J. Van Schaik, Anthony E. Gregory
  • Patent number: 5843463
    Abstract: Disclosed herein are immunogenic polysaccharide-H. influenzae adhesin protein conjugates, a purified H. influenzae adhesin protein and related proteins and polypeptides, DNA useful for producing the proteins, synthetic polyribosylribotol phosphate (PRP) oligosaccharides and intermediates useful for their synthesis, and methods of making and using these materials. The conjugates comprise a PRP fragment, preferably a synthetic oligosaccharide, coupled to an H. influenzae adhesin protein. The invention further comprises purified H. influenzae adhesin proteins and novel PRP oligosaccharides. The invention also comprises methods of producing these materials and using them in a vaccine to protect humans and other mammals against H. influenzae infection.
    Type: Grant
    Filed: June 22, 1992
    Date of Patent: December 1, 1998
    Assignee: AntexBiologics, Inc.
    Inventors: Howard C. Krivan, James E. Samuel
  • Patent number: 5721115
    Abstract: Disclosed herein are an immunogenic Haemophilus influenzae outer membrane protein of 49 kDa as well as a mature outer membrane protein of 47 kDa protein, DNA and vector useful for producing the outer membrane protein, host cell containing said DNA, and a method for producing the outer membrane protein. Also disclosed are methods for producing these materials which can be beneficially used in the production of vaccines against H. influenzae.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: February 24, 1998
    Assignee: Antex Biologics, Inc.
    Inventors: Howard C. Krivan, James E. Samuel
  • Patent number: 5696000
    Abstract: Disclosed herein are receptors for pathogenic or opportunistic microorganisms, methods of obtaining such reeptors, and methods of using such receptors for diagnostic or pharmaceutical purposes. The receptor comprises a substantially pure compound selected from the group consisting of GalB1-4GlcNAcB1-3GalB1-4GlcB1-1-X(R), GalB1-3GlcNAcB1-3GalB1-4GlcB1-1-X(R), GlcNAcB1-3GalB1-4GlcB1-1-X(R), GalB1-4GlcNAcB1-3GalB1-4Glc, GalB1-3GlcNAcB1-3GalB1-4Glc, GlcNAcB1-3GalB1-4Glc, GalB1-4GlcNAcB1-3Gal, and GalB1-3-GlcNAcB1-3Gal wherein X is sphingosine, hydroxylated sphingosine, or saturated sphingosine and R is H or an N-acyl fatty acid derivative of X such that X(R) is a ceramide.
    Type: Grant
    Filed: July 18, 1994
    Date of Patent: December 9, 1997
    Assignee: Antex Biologics Inc.
    Inventors: Howard C. Krivan, James E. Samuel
  • Patent number: 5679547
    Abstract: Disclosed herein are immunogenic polysaccharide-H. influenzae adhesin protein conjugates, a purified H. influenzae adhesin protein and related proteins and polypeptides, DNA useful for producing the proteins, synthetic polyribosylribotol phosphate (PRP) oligosaccharides and intermediates useful for their synthesis, and methods of making and using these materials. The conjugates comprise a PRP fragment, preferably a synthetic oligosaccharide, coupled to an H. influenzae adhesin protein. The invention further comprises purified H. influenzae adhesin proteins and novel PRP oligosaccharides. The invention also comprises methods of producing these materials and using them in a vaccine to protect humans and other mammals against H. influenzae infection.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: October 21, 1997
    Assignee: Antex Biologics formerlly MicroCarb Inc.
    Inventors: Howard C. Krivan, James E. Samuel
  • Patent number: 5552144
    Abstract: Disclosed herein are immunogenic mutant Shiga-Like Toxin II variants and vaccines containing such toxins. The mutant toxin comprises an SLT-IIv where the amino acid at position 167 in the A subunit has been replaced by a differently charged amino acid that essentially maintains the structure of the native A subunit. In a preferred embodiment, the glutamic acid is replaced with glutamine. An analogous modification may also be made at position 170. The vaccines are used for edema disease of swine.
    Type: Grant
    Filed: January 10, 1994
    Date of Patent: September 3, 1996
    Assignees: MicroCarb, Inc., The United States of America as represented by the Secretary of the Army
    Inventors: James E. Samuel, Valery M. Gordon
  • Patent number: 5512282
    Abstract: Disclosed herein are high titer, monospecific, polyclonal antibodies to Shiga-like toxins. Also disclosed are methods for producing such antibodies, compositions containing them, and methods for the diagnosis, prevention, and treatment of diseases caused by Shiga-like toxins. These include hemorrhagic colitis and hemolytic uremic syndrome in humans, edema disease in swine, and calf diarrhea in cattle.
    Type: Grant
    Filed: December 28, 1993
    Date of Patent: April 30, 1996
    Assignee: MicroCarb, Inc.
    Inventors: Howard C. Krivan, James E. Samuel
  • Patent number: 5258283
    Abstract: Methods for detecting the presence of Coxiella burnetii in biological samples, as well as a method for differentiating strains of C. burnetii that are capable of causing acute disease from those strains capable of causing chronic disease are disclosed. The methods generally comprise treating cells contained within the biological sample to expose cellular DNA, and hybridizing the cellular DNA with a DNA probe containing DNA sequences that specifically hybridize with C. burnetii DNA of strains associated with the capacity to cause acute or chronic disease.
    Type: Grant
    Filed: October 23, 1989
    Date of Patent: November 2, 1993
    Assignee: Battelle Memorial Institute
    Inventors: Marvin E. Frazier, Louis P. Mallavia, James E. Samuel, Oswald G. Baca
  • Patent number: 4895795
    Abstract: Methods for detecting the presence of Coxiella burenetii in biological samples, as well as a method for differentiating strains of C. burnetii that are capable of causing acute disease from those strains capable of causing chronic disease are disclosed. The methods generally comprise treating cells contained within the biological sample to expose cellular DNA, and hybridizing the cellular DNA (specifically rickettsial DNA) with a C. burnetii-specific labeled DNA probe. Radioisotope and biotin labels are preferred, allowing detection through autoradiography and colorimetric assays, respectively.
    Type: Grant
    Filed: November 5, 1986
    Date of Patent: January 23, 1990
    Assignee: Battelle Development Corporation
    Inventors: Marvin E. Frazier, Louis P. Mallavia, James E. Samuel, Oswald G. Baca
  • Patent number: 4876186
    Abstract: Methods for detecting the presence of Coxiella burnetii in biological samples, as well as a method for differentiating strains of C. burnetii that are capable of causing acute disease from those strains capable of causing chronic disease are disclosed. The methods generally comprise treating cells contained within the biological sample to expose cellular DNA, and hybridizing the cellular DNA (specifically rickettsial DNA) with a C. burnetii-specific labeled DNA probe. Radioisotope and biotin labels are preferred, allowing detection through autoradiography and colorimetric assays, respectively.
    Type: Grant
    Filed: November 5, 1985
    Date of Patent: October 24, 1989
    Assignee: Battelle Development Corporation
    Inventors: Marvin E. Frazier, Louis P. Mallavia, Oswald G. Baca, James E. Samuel