Patents by Inventor Franklin H. Portugal

Franklin H. Portugal 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).

  • Compositions and methods for differentiating among species and from species
    Patent number: 7888488
    Abstract: The present invention relates to detecting and distinguishing among bacteria that belong to the species Shigella, including Shigella boydii, Shigella dysenteriae, Shigella flexneri, and Shigella sonnei; and detecting and distinguishing Shigella bacteria from Escherichia coli. In particular, the invention includes provision of species-identifying and genus-identifying nucleotides of 16s rRNA or 16s rDNA from the above named species. Nucleic acid probe molecules capable of differentiating among these species and genera by hybridization, along with methods for their use for specific detection in clinical samples, food samples, environmental samples, and the like are also provided.
    Type: Grant
    Filed: February 20, 1998
    Date of Patent: February 15, 2011
    Inventors: Franklin H. Portugal, Rita R. Colwell, Anwarul Huq, Afzal Chowdhury
  • COMPOSITIONS AND METHODS FOR DIFFERENTIATING AMONG SHIGELLA SPECIES AND SHIGELLA FROM E. COLI SPECIES
    Publication number: 20020006611
    Abstract: The present invention relates to detecting and distinguishing among bacteria that belong to the species Shigella, including Shigella boydii, Shigella dysenteriae, Shigella flexneri, and Shigella sonnei; and detecting and distinguishing Shigella bacteria from Escherichia coli. In particular, the invention includes provision of species-identifying and genus-identifying nucleotides of 16s rRNA or 16s rDNA from the above named species. Nucleic acid probe molecules capable of differentiating among these species and genera by hybridization, along with methods for their use for specific detection in clinical samples, food samples, environmental samples, and the like are also provided.
    Type: Application
    Filed: February 20, 1998
    Publication date: January 17, 2002
    Inventors: FRANKLIN H. PORTUGAL, RITA R. COLWELL, ANWARUL HUQ, AFZAL CHOWDHURY