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Ozone or peroxide

Subclass of:

436 - Chemistry: analytical and immunological testing

436127000 - OXYGEN CONTAINING

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
436135000 Ozone or peroxide 14
20110195514COLORIMETRIC REAGENT FOR PREVENTION OF PEROXIDE FORMATION IN SOLVENTS - A reagent comprising a reduced metal oxide in a carrier for exposure to a solvent for the detection of the presence of peroxide in the solvent is disclosed. The reduced metal oxide may be molybdenum bronze. The reagent may have a dark color before exposure to peroxide and have a light color after exposure to peroxide.08-11-2011
20130034911OZONE CONVERSION SENSORS FOR AN AUTOMOBILE - A system for a vehicle includes a first ozone sensor that generates a first sensor signal indicating a first amount of ozone in air flowing into a radiator. A second ozone sensor generates a second sensor signal indicating a second amount of ozone in air flowing out of the radiator. A control module receives the first sensor signal and the second sensor signal and determines an ozone conversion rate based on the first sensor signal and the second sensor signal.02-07-2013
20110300636METHOD AND APPARATUS FOR DETECTING HYDROGEN PEROXIDE - The presence of hydrogen peroxide vapor is detected with high sensitivity. Oxygen molecules in the air are ionized by electrons generated by a discharge plasma, thereby producing an oxygen molecule negative ion O12-08-2011
20090087921VAPORIZED HYDROGEN PEROXIDE CONCENTRATION DETECTOR - A method of determining the presence of vaporized hydrogen peroxide (VHP) in a region, comprising the steps of providing a sealable region having an inlet port and an outlet port, creating a flow of a carrier gas into, through and out of the region, delivering vaporized hydrogen peroxide into the carrier gas flow upstream of the region inlet port, destroying the vaporized hydrogen peroxide at a first location downstream from the region outlet port, monitoring the temperature of the carrier gas before and after the first location, and determining a presence of vaporized hydrogen peroxide in the region based upon the temperature readings before and after the first location.04-02-2009
20110201124OZONE REDUCING Y-PIPE FOR LOW COST OZONE SENSOR - An ozone detection system includes a source of sample gas containing a concentration of ozone. The system further includes a first airflow passageway for receiving a first sample of gas from the source. The first airflow passageway includes a catalytic scrubber to reduce ozone content in the sample gas and a second airflow passageway receives a second sample of gas from the source. A third airflow passageway results from the convergence of the first and second airflow passageways wherein the reduced sample gas and the unaltered sample gas are combined to form a diluted sample gas. A sensor is provided for sensing the ozone concentration in the diluted sample gas received from the third airflow passageway. A processor is provided operative to calculate the actual concentration of ozone in the sample gas as a function of the sensed concentration of the diluted sample.08-18-2011
20100144050HYDROGEN PEROXIDE DETECTOR AND METHODS - The current invention provides a detector and method suitable for sensing vapor-phase hydrogen peroxide. The detector utilizes a chemiluminescent material comprising a peroxide reactive compound, a dye and a solvent. Upon reaction with hydrogen peroxide, the chemiluminescent material will generate detectible light.06-10-2010
20100297776PEROXIDE CHEMICAL SENSOR AND SENSING METHOD - Sensors, sensing systems and sensing methods of the invention provide for detection of peroxides, including for example, vapor-phase H11-25-2010
20100055800Compositions for Chemiluminescent Detection of Hydrogen Peroxide - Methods and compound useful for detecting a source of hydrogen peroxide are disclosed wherein a signalling compound of the formula:03-04-2010
20110159603FLUORESCENT PROBE SPECIFIC TO HYDROGEN PEROXIDE - A compound represented by the following general formula (IA) or (IB) (R06-30-2011
20080305553Kinetic determination of peracid and/or peroxide concentrations - A use composition monitor determines the concentration of peracid and/or peroxide in a use composition using a kinetic assay procedure. A sample mixture containing a sample of the use composition, a diluent and at least one reagent is prepared and analyzed using, for example, an optical detector. Response data obtained by the detector is indicative of the optical absorbance of the sample mixture as a function of time. A processor analyzes the response data to determine a corresponding best fit linear relationship. The initial absorbance of the sample mixture is indicative of the concentration of peracid in the use composition, while the slope of the best fit equation is indicative of the concentration of peroxide in the use composition.12-11-2008
20120276651FLUORESCENT NANOPROBE FOR DETECTING HYDROGEN PEROXIDE AND FABRICATION METHOD THEREOF - The present disclosure relates to a sulfonated benzene compound emitting fluorescence by reaction with hydrogen peroxide, aqueous-dispersed fluorescent nanoprobes applicable for real-time detection of hydrogen peroxide, and a fluorescent nanoprobe fabrication method. The fluorescent nanoprobe contains the following sulfonated benzene compound and water.11-01-2012
20120107946DETECTION OF EXPLOSIVES AND OTHER SPECIES - The present invention provides a series of systems, devices, and methods relating to the determination of explosives, such as peroxides or peroxide precursors, and other species. Embodiments of the invention may allow a sample suspected of containing an explosive (e.g., a peroxide) or other species to interact with a reactant, wherein the sample may react and cause light emission from the reactant. Advantages of the present invention may include the simplification of devices for determination of peroxide-based explosives, wherein the devices are portable and, in some cases, disposable. Other advantages may include relative ease of fabrication and operation.05-03-2012
20120077279Silica Nanoparticles Incorporating Chemiluminescent And Absorbing Active Molecules - Nanoparticles incorporating absorbing materials, e.g., an absorber dye, which under appropriate conditions exhibit chemiluminescence. The nanoparticles can be mesoporous silica nanoparticles or core-shell silica nanoparticles. The nanoparticles can be used as sensors to detect an analyte.03-29-2012
20110201123LOW COST, HIGH ACCURACY OZONE SENSING - An ozone detection system includes a source of sample gas containing a concentration of ozone and a single optical pathway. The system includes a light source in optical communication with the optical pathway. The system further includes a first airflow passageway for receiving a first sample of gas from the source. The passageway includes a catalytic scrubber to reduce ozone content in the sample gas and passing the reduced ozone gas to a sensor. The system further includes a second airflow passageway for receiving a second sample of gas from the source and passing the gas unaltered to a sensor. The system further includes a sensor for sensing independently the light intensity of the sample of gas received from the first and second passageways. The system further includes a processor for receiving the light intensity data from the sensor and calculating the ozone concentration in the source of sample gas.08-18-2011