Patents by Inventor Milton F. Ferreira

Milton F. Ferreira 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: 6790668
    Abstract: The present invention is a method for drug level detection by using a simplified and effective deproteinizing step from body fluids, such as plasma, blood, urine, saliva, tear fluid, followed by drug extraction and measurement using an accurate technique, such as a colorimetric assay or a High-Performance Liquid Chromatography method. In a particular embodiment, the invention is directed to a method to quantify rifampicin in order to monitor its levels in body fluids and also to a Kit for rifampicin concentration measurement.
    Type: Grant
    Filed: September 7, 2000
    Date of Patent: September 14, 2004
    Assignee: Fundacao Oswaldo Cruz - Fiocruz
    Inventors: Milton F. Ferreira, Vera L. Luiza, Eduardo W. Barroso, André L. Gemal