Class / Patent application number | Description | Number of patent applications / Date published |
436136000 | Molecular oxygen | 22 |
20110136247 | PHOTOLUMINESCENT OXYGEN PROBE WITH REDUCED CROSS-SENSITIVITY TO HUMIDITY - An oxygen-sensitive probe having reduced cross-sensitivity to humidity and methods of manufacturing and using such probes to measure oxygen concentrations within an enclosed space. The probe includes a thin film of an oxygen-sensitive photoluminescent dye on a first major surface of a microporous wettable polyolefin support layer. The dye is preferably a solid state composition comprising the oxygen-sensitive photoluminescent dye embedded within an oxygen-permeable hydrophobic polymer matrix. | 06-09-2011 |
20110223678 | CALIBRATION SYSTEM AND TECHNIQUE FOR PHOTOLUMINESCENT OXYGEN SENSORS WITH ZERO POINT MAINTAINED WITH A METAL-AIR BATTERY - A calibration device and method of using the device to calibrate an analytical instrument capable of reading a photoluminescent oxygen probe. The device includes at least (a) a first mass of an oxygen sensitive photoluminescent dye retained within a hermetically sealed space so as to isolate the dye from environmental oxygen, and in fluid communication with an activated metal-air battery whereby any oxygen permeating into the hermetically sealed space is quickly consumed by the battery, and (b) a second mass of an oxygen sensitive photoluminescent dye in fluid communication with an environmental concentration of oxygen. | 09-15-2011 |
20110236986 | SENSOR MATERIAL AND USES THEREOF TO SIMULTANEOUSLY SENSE TWO ANALYTES - A sensor material of the type comprising a long-decay photoluminescent, protonable dye embedded in a suitable polymeric matrix, is used for generating a specific optical response to two different analytes present in a sample, thus allowing selective determination of the two analytes in the sample. Also described is a method for the simultaneous sensing of a first and second analyte in a sample. The method comprises the steps of irradiating a sensor material of the type comprising a long-decay photoluminescent protonable dye embedded in a suitable polymeric matrix with light of one or two wavelengths, determining photoluminescence intensity and lifetime signals originating from the sensor, and correlating the photoluminescence intensity signal with a concentration of the first analyte and the photoluminescence lifetime signal(s) with the concentration of the second analyte. | 09-29-2011 |
20120094390 | Fluorescent Sensor and Methods - Binding an analyte can cause a change in fluorescence emission of a sensor. The change in fluorescence can be related to the amount of analyte present. The sensor can include a semiconductor nanocrystal linked to a fluorescent moiety. Upon excitation, the fluorescent moiety can transfer energy to the semiconductor nanocrystal, or vice versa. | 04-19-2012 |
20120295364 | PHOTOLUMINESCENT PRESSURE PROBE - A self-contained, remotely interrogatable, autonomously positionable, pressure probe and methods of manufacturing and using. The probe ( | 11-22-2012 |
20130005046 | METHOD OF CONTEMPORANEOUSLY MONITORING CHANGES IN ANALYTE CONCENTRATION IN A PLURALITY OF SAMPLES ON INDIVIDUAL SCHEDULES - A method of contemporaneously monitoring changes in analyte concentration in a plurality of samples using a single monitoring device, wherein monitoring can be commenced and continued on independent timelines for each sample. | 01-03-2013 |
20130177995 | HIGHLY EPITAXIAL THIN FILMS FOR HIGH TEMPERATURE/HIGHLY SENSITIVE CHEMICAL SENSORS FOR CRITICAL AND REDUCING ENVIRONMENT - An oxygen sensor includes an epitaxial oxide thin film double perovskite oxygen sensor formed on a single crystal oxide substrate. The thin film includes a lanthanide element, barium, cobalt, and oxygen. | 07-11-2013 |
20130224874 | Phosphorescent Molecules for Measuring Oxygen and Imaging Methods - Oxygen levels in biological tissue or systems can be measured by the phosphorescence quenching method using phosphorescent porphyrin probes, also referred to as a dendritic oxygen probes, with controllable quenching parameters and defined biodistributions. Provided are a “next generation” of oxygen sensors with substantially improved phosphorescence emission for better imaging capabilities, ease of use, increasing the quantum efficiency (phosphorescence intensity) and extending their range of applicability including constructing a class of oxygen sensors for making measurements in organic media. In addition, provided are methods for synthesizing new porphyrin constructs in which the porphyrin is made less flexible and more planar, changing with decrease internal quenching, and thereby increasing the phosphorescence emission used for oxygen sensing. Additional methods are provided for structurally modifying the dendrimer used to encapsulate the porphyrin phosphor to provide internal quenching of singlet oxygen molecules formed during oxygen measurements. | 08-29-2013 |
20140045272 | MEASURING DEVICE FOR MEASURING SINGLET OXYGEN LUMINESCENCE - A measuring device measures singlet oxygen luminescence which is excited by one or more photosensitizers. The measuring device contains a photosensitive detector, an excitation source, and a control and evaluating unit that is coupled to the photosensitive detector and the excitation source. The excitation source is configured to radiate excitation light into a measurement volume from a plurality of emission positions in order to excite the photosensitizer or photosensitizers. The excitation source preferably contains light-emitting diodes as lighting devices, the light of which is used directly as an excitation light in order to excite the photosensitizers. | 02-13-2014 |
20140093971 | System and Method for Determining Concentration of Oxygen in Chemical Mixtures - A system for determining concentration of oxygen in a chemical mixture is presented. The system includes a first sensing device configured to measure the concentration of oxygen in the chemical mixture and generate a first output signal, where the first output signal is indicative if the concentration of oxygen in the chemical mixture and a type of the chemical mixture. Furthermore, the system includes a second sensing device configured to measure the concentration of oxygen in the chemical mixture and generate a second output signal. In addition, the system includes a processing unit operatively coupled to the first sensing device and the second sensing device and configured to determine the concentration of oxygen in the chemical mixture based on the first output signal, the second output signal, or both the first output signal and the second output signal based on a type of the chemical mixture. | 04-03-2014 |
20140329332 | DEVICE AND METHOD FOR RAPID ASSAY OF MULTIPLE BIOLOGICAL SAMPLES FOR OXYGEN CONSUMPTION | 11-06-2014 |
20160153946 | OXYGEN DETECTION AGENT COMPOSITION, OXYGEN DETECTION SHEET, PACKAGING MATERIAL FOR OXYGEN SCAVENGER, AND OXYGEN SCAVENGER PACKAGE | 06-02-2016 |
436137000 | Fuel/air mixture or exhaust gas analysis | 1 |
20140295570 | IN SITU HEATED PROCESS PROBE - A process combustion transmitter is provided. The transmitter includes a process probe extendible into a flow of process combustion exhaust. The process probe has a measurement cell with an operating temperature that is above a flashpoint of process combustion fuel. The process probe includes a heater configured to heat the measurement cell to the operating temperature. Electronic circuitry is coupled to the measurement cell and to the heater. The electronic circuitry is configured to disengage power to the heater once process combustion heat is sufficient to maintain the measurement cell at the operating temperature and thereafter to maintain the heater in a de-energized state. | 10-02-2014 |
436138000 | Dissolved or trace oxygen or oxygen content of a sealed environment | 9 |
20080199969 | METHOD OF MONITORING BULK (TOTAL) MICROBIOLOGICAL ACTIVITY IN PROCESS STREAMS - An apparatus and method for monitoring and controlling microbiological activity in a process stream by measuring dissolved oxygen is disclosed. | 08-21-2008 |
20110039348 | METHOD OF EVALUATING REACTION BETWEEN DISSOLVED HYDROGEN AND DISSOLVED OXYGEN AND METHOD OF EVALUATING ABILITY OF DISSOLVED HYDROGEN TO SCAVENGE ACTIVE OXYGEN IN WATER - Provided are novel technical means for obtaining useful knowledge in practical application of antioxidation action of dissolved hydrogen and in practical application of active oxygen scavenging action in water. | 02-17-2011 |
20110097811 | OXYGEN DETECTOR AND METHOD FOR MANUFACTURING OXYGEN DETECTOR - It is an object of the present invention to provide: an oxygen indicator aqueous solution for an oxygen detector that has high heat resistance, can be stored at room temperature, and can maintain an excellent ability to detect oxygen, regardless of the atmospheric temperature; an oxygen detector; and a method for manufacturing an oxygen detector. | 04-28-2011 |
20110263035 | DETERMINING OXYGEN CONCENTRATION IN ULLAGE USING CATALYTIC OXIDATION - A system for measuring the oxygen concentration of a gas includes a catalytic reactor, first and second temperature sensors and a control unit. The catalytic reactor includes a combustion catalyst that supports the catalytic combustion of hydrocarbon fuel vapor in a gas stream. The first temperature sensor is located upstream of the catalytic reactor for sensing an upstream temperature of the gas stream, and the second temperature sensor is located downstream of the catalytic reactor for sensing a downstream temperature of the gas stream. The control unit compares the upstream temperature and the downstream temperature to determine the oxygen concentration of the gas stream. | 10-27-2011 |
20120083040 | OXYGEN INDICATOR FOR PARENTERAL AND ENTERAL DOSAGE FORMS - The present invention relates to an oxygen indicator in which the presence or absence of oxygen is made visible by a color change, and to the use of such oxygen indicator for monitoring parenteral and enteral dosage forms. | 04-05-2012 |
20120129268 | PHOTOLUMINESCENT OXYGEN PROBE WITH REDUCED CROSS-SENSITIVITY TO HUMIDITY - An oxygen-sensitive luminescent element, and probe constructed therefrom, having reduced cross-sensitivity to humidity, and methods of manufacturing and using such luminescent elements and probes to measure oxygen concentrations within an enclosed space. The luminescent element includes a glass fiber carrier substrate bearing an oxygen-sensitive photoluminescent dye. The dye is preferably embedded within an oxygen-permeable hydrophobic polymer matrix. A probe is constructed from the luminescent element by laminating the luminescent element onto a structural support layer. | 05-24-2012 |
20130005047 | LUMINESCENCE LIFETIME BASED ANALYTE SENSING INSTRUMENTS AND CALIBRATION TECHNIQUE - A method of calibrating a luminescence lifetime sensing instrument | 01-03-2013 |
20150072436 | Methods of Measuring Dissolved Oxygen in a Hydrocarbon Stream - At least one probe may be introduced into a hydrocarbon stream for detecting dissolved oxygen species therein. The hydrocarbon stream may have or include at least one probing additive where the probing additive(s) may be added to the hydrocarbon stream, coated onto the probe(s), or both. The probe(s) may detect at least one luminescent measurement from the hydrocarbon stream, and the luminescent measurement(s) may determine whether dissolved oxygen species are present within the hydrocarbon stream. | 03-12-2015 |
20150140677 | POLYMER PLANAR OPTICAL CIRCUIT TYPE DISSOLVED OXYGEN SENSOR - Provided is a polymer planar optical circuit type dissolved oxygen sensor and a method of fabricating the sensor, including a polymer planar sheet embedded with a first wavelength optical signal transmission line transmitting a first wavelength optical signal emitted from a first optical source and a second wavelength optical signal transmission line transmitting a second optical signal emitted from a sensing membrane and having a fluorescent property, and the sensing membrane coated on the polymer planar sheet, and further including a second optical source emitting the second wavelength optical signal to compare an optical property of the second wavelength optical signal to an optical property of the first wavelength optical signal emitted from the first optical source. | 05-21-2015 |