Patents by Inventor Francisco J. Martinez Concha

Francisco J. Martinez Concha 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: 4193963
    Abstract: The invention relates to a process and detector for determining organic and inorganic chemical substances by chemiluminescence with ozone, the selectivity and specificness of the detector being a function of the degree of reactivity of the chemical substances with ozone in distinct temperature ranges. The chemiluminescence reaction takes place in the reaction chamber of the detector, in the absence of oxygen, and with thermal control. The detector comprises the following units: ozone generator, reaction chamber, discharge means for gases issuing from the reaction chamber, an optical system, a photomultiplier, amplifier data transformer and recorder.
    Type: Grant
    Filed: June 6, 1977
    Date of Patent: March 18, 1980
    Assignee: Petroleo Brasileiro S.A.-Petrobras
    Inventors: Wilhelm Bruening, Inai M. R. de Andrade Bruening, Francisco J. Martinez Concha