Patents by Inventor Yvonne Fraticelli

Yvonne Fraticelli 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).

  • Method of sample analysis
    Patent number: 5158868
    Abstract: A system for analyzing a biological fluid or the like for a constituent of interest comprises structure defining a sample inlet port, structure defining an analysis region, a measuring system connected in sensing relation to the analysis region, and structure defining a reaction chamber that has an immobilized enzyme capable of modifying the constituent of interest. Control means operates liquid flow means in a unidirectional sample flow mode to initially flow a sample of material to be analyzed from the sample inlet port to the reaction chamber and to the analysis region for a measurement of unmodified sample material, and then operates the liquid flow means in a bidirectional sample flow mode to oscillate the sample material in the reaction chamber and facilitate modification by the immobilized enzyme of the constituent of material in the sample.
    Type: Grant
    Filed: October 15, 1990
    Date of Patent: October 27, 1992
    Assignee: Iniziative Marittime 1991, S.r.l.
    Inventors: Carolyn Bergkuist, Yvonne Fraticelli, Theodore S. Geiselman
  • Sample analysis
    Patent number: 4997627
    Abstract: A system for analyzing a biological fluid or the like for a constituent of interest comprises structure defining a sample inlet port, structure defining an analysis region, a measuring system connected in sensing relation to the analysis region, and structure defining a reaction chamber that has an immobilized enzyme capable of modifying the constituent of interest. Control means operates liquid flow means in a unidirectional sample flow mode to initially flow a sample of material to be analyzed from the sample inlet port to the reaction chamber and to the analysis region for a measurement of unmodified sample material, and then operates the liquid flow means in a bidirectional sample flow mode to oscillate the sample material in the reaction chamber and facilitate modification by the immobilized enzyme of the constituent of material in the sample.
    Type: Grant
    Filed: July 17, 1987
    Date of Patent: March 5, 1991
    Assignee: Fisher Scientific Company
    Inventors: Carolyn Bergkuist, Yvonne Fraticelli, Theodore S. Geiselman