Class / Patent application number | Description | Number of patent applications / Date published |
436139000 | HYDROCARBON | 39 |
20080213914 | METHOD AND SYSTEM FOR MEASURING RON AND MON VALUES FOR LIGHT DISTILLATES - A method and a system is disclosed for determining RON and/or MON values from constant volume combustion chamber apparatuses capable of producing pressure versus time combustion profiles having a fast combustion region and a slow combustion region, where data from the two regions is used to compute RON and/or MON values for light distillate fluid samples using a series expansion equation. | 09-04-2008 |
20090011517 | Sample Plate for Fluid Analysis in a Refinery Process - A sample plate for use with a portable apparatus containing at least two different analytical devices, said plate ( | 01-08-2009 |
20090305428 | Apparatus and method for evaluating a hydrocarbon to determine the propensity for coke formation - An apparatus ( | 12-10-2009 |
20110014718 | DEVICE AND METHOD FOR PRESSURE AND FLOW CONTROL IN PARALLEL REACTORS - The present invention relates to a method and a device for the parallel study of chemical reactions in at least two spatially separated reaction spaces. In particular, the invention is suitable for reactions which are not constant volume reactions and/or for reactions in which fluid flows through at least two spatially separated reaction spaces are intended to be controlled together for all the reaction spaces, or for related subsets of them, in the most straightforward way possible. | 01-20-2011 |
20110124113 | METHODS AND DEVICES FOR DETECTING UNSATURATED COMPOUNDS - Embodiments provide a method for detecting an unsaturated compound, the method comprising monitoring change in electrical properties of substances such as halides of copper that reacts or interacts with unsaturated compounds such as acetylene. Other embodiments provide a sensor for detecting acetylene gas comprising a substrate having a surface, electrodes in electrical communication with said surface, and a sensor layer formed of metal halide. | 05-26-2011 |
20120220040 | METHOD OF QUANTITATIVELY DETERMINING 8-ISOPROSTANE - A method of quantitatively determining 8-isoprostane is provided that includes fluorescently labeling 8-isoprostane with a quinoxalinone derivative in an excess amount relative to 8-isoprostane, separating a fluorescently labeled 8-isoprostane from a unreacted quinoxalinone derivative by contacting a reaction mixture containing the fluorescently labeled 8-isoprostane and the unreacted quinoxalinone derivative with a cation exchange support having a sulfonic acid or a sulfonate immobilized thereon, and quantitatively determining the fluorescently labeled 8-isoprostane that has been separated from the unreacted quinoxalinone derivative. | 08-30-2012 |
20120225489 | MEASURING COKING PROPENSITY - The present application provides a method for measuring coking propensity of a fossil fuel, comprising mixing an iron powder with a fossil fuel, wherein the iron powder has an average particle size of less than or equal to 100 μm; reacting the iron powder with the fossil fuel at a temperature and a pressure sufficient to allow coking for a period of time; separating a supernatant and a solid product after said coking; and analyzing the solid product for carbon content, wherein the carbon content is proportional to the coking propensity. There is also provided is a method for measuring effectiveness of a coking inhibitor. | 09-06-2012 |
20140242713 | NANOPOROUS DETECTORS OF MONOCYCLIC AROMATIC COMPOUNDS AND OTHER POLLUTANTS - Porous sol-gel material essentially consisting of units of one or more first polyalkoxysilanes chosen from the following compounds: (chloromethyl)triethoxysilane; 1,3-dimethyltetramethoxydisiloxane; ethyltrimethoxysilane; triethoxy(ethyl)silane; triethoxymethylsilane; triethoxy(vinyl)silane; trimethoxymethylsilane; trimethoxy(vinyl)silane; tetraethoxysilane or tetramethoxysilane (TMOS) and of units of one or more second polyalkoxysilanes chosen from the following compounds: (N-(3-(trimethoxysilyl)propyl)ethylenediamine; 3-aminopropyltriethoxysilane (APTES) and 3-aminopropyltrimethoxysilane, in a first polyalkoxysilane/second polyalkoxysilane molar ratio of 1/0.01 to 1/1, optionally comprising a probe molecule, method of preparation and applications in the trapping of monocyclic aromatic hydrocarbons and other pollutants or in their detection. | 08-28-2014 |
20140302614 | IMPEDANCE-BASED SENSOR FOR DETECTION OF CATALYST COKING IN FUEL REFORMING SYSTEMS - The present invention relates to a novel sensor for detecting the early stages of catalyst coking in fuel reforming systems and methods for making and using the same. The sensor may be manufactured by inkjet printing a colloidal suspension of ceramic powders to create thin (about 20 μm) catalytic and conductive elements of the sensor. The sensor may be used to determine the presence of coking conditions during processes at a level below the detection limit available using thermogravimetric analyzers (TGA) (<10 μg), thereby reducing catalyst coking in systems. | 10-09-2014 |
20160047790 | QUARTZ CRYSTAL CHARACTERIZATION OF FRACTIONS DERIVED FROM PRE-REFINED CRUDE AND/OR CRACKED STREAMS - Methods are provided for characterizing the stability of a distillate fraction using a quartz crystal microbalance apparatus, such as a distillate fraction derived at least in part from a pre-refined crude oil. A sample can be aged for an aging period in a quartz crystal microbalance apparatus, and a frequency value for the sample in the quartz crystal microbalance apparatus can be determined before and after the aging period to determine a frequency difference. This frequency difference can be correlated directly with the ability of a jet fuel fraction to satisfy a stability test standard, such as a jet fuel breakpoint stability. The methods can also include using a temperature profile during characterization that can reduce or minimize operator error during the characterization. | 02-18-2016 |
436140000 | Aromatic | 10 |
20100068821 | METHOD FOR DETECTION AND ANALYSIS OF AROMATIC HYDROCARBONS FROM WATER - Methods for analyzing aromatic hydrocarbons dissolved in water are discussed. The methods include providing a substrate coated with a thin film layer of a material, wherein the material has a high affinity for at least one aromatic hydrocarbon, the material is substantially optically transparent, and the material has near-zero auto fluorescence, inserting the coated substrate directly into an environmental location including water, waiting for an exposure time permitting at least one aromatic hydrocarbon to absorb into the thin film layer, retrieving the coated substrate from the environmental location, removing any non-absorbed matter from the coated substrate, and performing fluorescence analysis on the coated substrate to detect aromatic hydrocarbons present in the thin film layer. Also methods for analyzing aromatic hydrocarbons dissolved in water contained in coated vessels are provided. | 03-18-2010 |
20110236987 | GAS DETECTOR TUBE FOR DETERMINING BENZENE - An improved detection reaction for benzene in gas analysis with a gas detector tube formed of a carrier material impregnated with gold(III) oxide in a display layer. | 09-29-2011 |
20120270330 | Hybrid Separation and Detection Device for Chemical Detection and Analysis - The present invention provides a device that makes it possible to perform real-time detection and analysis of BTEX components in real samples using an inexpensive and miniaturized hybrid specific binding-separation device. The device may be used in occupational health and safety applications as well as for toxicological population studies to determine the presence of organic volatile components in an air sample. | 10-25-2012 |
20130137185 | MASS SPECTROMETRY OF STEROIDAL COMPOUNDS IN MULTIPLEXED PATIENT SAMPLES - The invention relates to the quantitative measurement of steroidal compounds by mass spectrometry. In a particular aspect, the invention relates to methods for quantitative measurement of steroidal compounds from multiple samples by mass spectrometry. | 05-30-2013 |
20130323853 | METHOD FOR MONITORING REFINERY REFORMING UNITS UTILIZING DETAILED HYDROCARBON COMPOSITION ANALYSIS - A method of monitoring a reformer unit is disclosed. The method includes analyzing at least one of the feedstock and the product stream. The analyzing includes performing a detailed hydrocarbon analysis of at least one of the feedstock and the product stream. The method further includes obtaining a one-dimensional output from the detailed hydrocarbon analysis and adjusting the one-dimensional output to produce a multi-dimensional equivalent output. Adjusting the one-dimensional output includes applying an appropriate correlation matrix to the one-dimensional output to produce the multi-dimensional equivalent output. The appropriate correlation matrix is selected based upon the characteristics of the feedstock and the particular refinery unit. | 12-05-2013 |
20140170763 | Processes for Determining Stream Compositions in Simulated Moving Bed Systems - Processes for simulated moving bed systems for separating a preferentially adsorbed component from a feed stream and processes for determining compositions of one or more streams in the system are provided. The process comprises the steps of rotating a rotary valve to a first valve position to direct the feed stream to a first adsorbent sub-bed. A process stream is irradiated with laser light that is directed from a probe of a Raman system positioned for inline sampling of the stream. Scattered light from the irradiated stream is collected with the probe and analyzed to assess concentrations of one or more components in the stream. | 06-19-2014 |
20140179017 | TETRACATIONIC CYCLOPHANES AND THEIR USE IN THE SEQUESTRATION OF POLYAROMATIC HYDROCARBONS BY WAY OF COMPLEXATION - Novel tetracationic cyclophanes incorporating π-electron poor organic compounds into their ring structures, as well as methods of making the cyclophanes, are provided. The cyclophanes are able to form electron donor-acceptor complexes with a variety of polyaromatic hydrocarbons (PAHs) ranging in size, shape, and electron density. Also provided are methods of using the cyclophanes in the sequestration of PAHs in liquid or gaseous samples, the separation of PAHs from liquid or gaseous samples, the detection of PAHs in liquid samples, and the exfoliation of graphene via pseudopolyrotaxane formation. | 06-26-2014 |
20150099308 | DETERMINATION OF POLYCYCLIC AROMATIC HYDROCARBONS IN WATER USING NANOPOROUS MATERIAL PREPARED FROM WASTE AVIAN EGG SHELL - Nanoporous polymorphic crystals of CaCO | 04-09-2015 |
20150330959 | FLUORESCENCE DETECTOR SYSTEM FOR DETECTION OF AN AROMATIC HYDROCARBON - The invention relates to a detector system suitable for detection of an aromatic hydrocarbon, comprising an organic polymeric sensor material that is permeable to the aromatic hydrocarbon, the sensor material comprising a molecular probe selected from the group of methanatoboron moieties. Further, the invention relates to the use of a detector system according to the invention for the detection of an aromatic hydrocarbon, preferably an aromatic hydrocarbon selected from the group of benzene, toluene and xylene. | 11-19-2015 |
20150377752 | DETERMINATION OF POLYCYCLIC AROMATIC HYDROCARBONS IN WATER USING NANOPOROUS MATERIAL PREPARED FROM WASTE AVIAN EGG SHELL - Nanoporous polymorphic crystals of CaCO | 12-31-2015 |
436141000 | Acyclic (e.g., methane, octane, isoparaffin, etc.) | 14 |
20090017550 | Method For Determining A Carbon Source Of A Product - This invention is directed to a method for determining a source of carbon feed used in manufacturing product produced from the carbon feed. The invention further provides a method for tracking products, particularly MTO products, derived from a particular carbon feed. In general, the method involves a variety of steps that include one or more of determining, comparing, inventorying, and tracking the | 01-15-2009 |
20100129924 | Quality assurance method for olefin polymerization catalysts - A method for evaluating the quality of an olefin polymerization catalyst is disclosed. A single-site organometallic complex is reacted with a methyl alumoxane under controlled reaction conditions. The extent and/or dynamics of methane formation from the reaction are measured, and the results are used to predict the suitability of the complex and/or the methyl alumoxane for use in an olefin polymerization. | 05-27-2010 |
20120083041 | MASS SPECTROMETRY METHOD - The invention provides a mechanism for semi-quantitatively measuring individual isotopomer species of a molecule using gas chromatograph mass spectrometry. The method allows for semi-quantitatively tracking the movement of ions by measuring the individual isotopomer species of a molecule. | 04-05-2012 |
20120309098 | METHOD FOR PREDICTING THE AMOUNTS OF BIOGENIC GAS GENERATED BY BIOLOGICAL CONVERSION OF ORGANIC MATTER - Method for predicting amounts of biogenic gas generated by biological conversion of organic matter deposited in sediments on the geological time scale. | 12-06-2012 |
20130217140 | Device for Detection of a Partial Pressure and Method for its Operation - In order to provide a device for detection of a partial pressure of a measurement gas contained in a surrounding gas, comprising a measurement space with at least one inlet opening to admit surrounding gas into the measurement space and at least one outlet opening to discharge surrounding gas from the measurement space, a quantity that characterizes the partial pressure of the measurement gas in the measurement gas sensor sensitive to the measurement gas to measure a quantity that characterizes the partial pressure of the measurement gas in the measurement space, as well as readout device to read out the measurement gas sensor as well as a method for its operation, which permit metrological detection of the partial pressure of a measurement gas contained in a surrounding gas with improved chronological and spatial resolution, it is proposed that means to determine a response characteristic of device be provided. | 08-22-2013 |
20130344610 | SYSTEMS AND METHODS FOR SAMPLE ANALYSIS - The invention generally relates to systems and methods for sample analysis. In certain embodiments, the invention provides a system for analyzing a sample that includes a probe including a material connected to a high voltage source, a device for generating a heated gas, and a mass analyzer. | 12-26-2013 |
20140038303 | TEST KIT AND METHOD FOR DETECTION OF ADDITIVES IN FUEL COMPOSITIONS - Method for detecting a basic target species in a fuel composition, involving (i) contacting the composition with a solid (for example paper) substrate carrying a spectroscopically active indicator which is capable of reacting with the target species, and (ii) detecting the spectroscopic response of the indicator on or following its contact with the fuel composition. The target species may be a detergent or dispersant additive or a constituent thereof, for example in an automotive fuel. The spectroscopic response may be a colour change, and the indicator may for example be a phenolphthalein indicator such as tetrabromophenolphthalein ethyl ester (HTBPE). Also provided is a test kit for use in the invented method, which may comprise a reference, such as a colour chart, with which to compare the spectroscopic response of the indicator. The indicator-carrying substrate is suitably packaged in a protective atmosphere. | 02-06-2014 |
20140248708 | APPARATUS FOR AND METHOD OF GAS ANALYSIS - An apparatus for preparing a gas sample for analysis includes a separation unit configured to separate the gas sample into one or more component samples. A thermal conductivity detector detects the output of the one or more component sample from the separation unit. At least one component sample is collected in a component sample collection unit having a sample collector. The sample collection unit has an outlet for distributing the at least one component sample from the sample collector for analysis | 09-04-2014 |
20150330962 | MEASUREMENT PROCESS OF MINIMUM MISCIBILITY PRESSURE (MMP) AND CRITICAL POINTS OF A GAS IN CRUDE OILS OR BINARY MIXTURES - The present invention provides a new process of the transitiometric scanning technique to determine in an experimental way the minimum miscibility pressure of any sample of hydrocarbon at constant temperature (from the atmospheric temperature to 673 K) in the pressure interval of the atmospheric temperature to 400 MPa, including pressure at which the organic matter will precipitate due to the CO | 11-19-2015 |
20150355155 | METHOD OF MEASURING DISSOLVED METHANE IN SEAWATER - Provided is a method of measuring dissolved methane in seawater, including: a) injecting a sample into a vacuum container containing a cadmium chloride solution injected thereinto and refrigerating the vacuum container; b) shaking the vacuum container, and achieving temperature equilibrium with an ambient temperature; c) separating the dissolved methane from residue by passing the sample in the vacuum container through a methane separator; and d) analyzing the separated dissolved methane by a mass spectrometer. According to the method of measuring dissolved methane in seawater of the present invention, a recovery rate of dissolved methane may be maximally increased to improve an analysis rate accordingly, and an analysis of dissolved methane may be conducted even with a small amount of sample, and in addition to the measurement of the dissolved methane, a sulfur isotope analysis may be simultaneously conducted by using a sample from which the dissolved methane is extracted. | 12-10-2015 |
20160202225 | System for Detecting a Gas and Method Therefor | 07-14-2016 |
436142000 | Unsaturated (e.g., ethylene, diene, etc.) | 3 |
20120196379 | METHODS AND DEVICES FOR DETECTING UNSATURATED COMPOUNDS - A method for detecting an unsaturated compound, the method comprising monitoring change in electrical properties of a substance that reacts or interacts with unsaturated compounds. | 08-02-2012 |
20130273665 | Ethylene Sensor - A sensor device can include a transition metal complex capable of interacting with a carbon-carbon multiple bond moiety. The sensor can detect the fruit-ripening hormone ethylene with high sensitivity. | 10-17-2013 |
20160077048 | METHODS AND DEVICES FOR DETECTING UNSATURATED COMPOUNDS - An insulated-gate field-effect transistor comprising a semiconductor substrate, a source region, a drain region, where the source region is spaced apart from the drain region to thereby form a channel, and both the source region and the drain region are located at or near one surface of the substrate, a gate insulator deposited over said channel, and a gate electrode, said gate electrode including a material that demonstrates appreciable change in resistivity relative to the concentration of acetylene, where the gate electrode covers the gate insulator. | 03-17-2016 |
436143000 | Total hydrocarbon, flammability, combustibility (e.g., air-fuel mixture, etc.) | 5 |
20100159609 | System and Method for Alkylation Process Analysis - A method and apparatus is provided for determining concentration of components in a liquid hydrocarbon mixture including hydrocarbons and water flowing through an alkylation process. A fluid flow path conveys the liquid continuously from the alkylation process through a first instrument configured for measuring a property of the liquid mixture, and having responsivities to concentration of the components, which are independent of the concentration of the water. A temperature detector generates temperature data for the liquid, and a second instrument measures another property of the liquid mixture. The instruments have mutually distinct responsivities to concentrations of the components. A processor captures data from the temperature detector and instruments, using the data with a model of responsivities of various concentrations of the components at various temperatures, to determine a temperature compensated concentration of the components while the liquid mixture flows continuously through the fluid flow path. | 06-24-2010 |
20140147927 | METHOD FOR ANALYZING THE LIQUEFIED PETROLEUM GAS AND DEVICE THEREOF - A method for analyzing the liquefied petroleum gas comprises the following steps. Provide a sample of the liquefied petroleum gas, and one main component group of the liquefied petroleum gas comprises at least one sub component group. Analyze the sample of the liquefied petroleum gas so as to obtain a first measured THC corresponding to the main component group and a second measured THC corresponding to the sub component group. Obtain a regressed THC according to the second measured THC and a predetermined relationship of THC. Obtain a result of THC according to the first measured THC, the regressed THC, and a predetermined range of THC. The predetermined range of THC corresponds to the main component group. The device for analyzing the liquefied petroleum gas comprises an inlet, a multiposition valve, a first column, a second column, an analyzing apparatus, and a computing unit. | 05-29-2014 |
20140287518 | METHOD OF CONCENTRATION DETERMINATION AND GAS CONCENTRATION SENSOR - The invention relates to a method for determining a concentration of at least one component of gas present in a gas line or in a gas container, wherein gas is led off from the gas line or the gas container at a measurement location and is supplied to at least one gas flame; the ion flow is measured between a gas flame to which gas is supplied and an electrode arrangement; the temperature of a gas flame is measured to which gas is supplied; and the concentration of the at least one component of the gas present in the gas line or in the gas container is determined from the measurement ion flow and the measured temperature or from values related thereto. The invention furthermore relates to gas concentration sensors for carrying out the method in accordance with the invention. | 09-25-2014 |
20160084815 | METHODS AND SYSTEMS FOR QUANTIFYING THE GRADE OF PETROLEUM OIL BASED ON FLUORESCENCE - Systems and methods evaluate the grade or API gravity of petroleum. The methods and systems disclosed herein overcome many of the difficulties commonly associated with petroleum exploration. The methods and systems include collecting fluorescence emission spectra of soil samples and inputting these into an artificial neural network, which is able to rapidly and accurately assess and classify data from multiple soil samples. Additionally, the methods and systems can be useful in identifying other compounds related to or commonly found together with petroleum, including hydrocarbons and aromatic compounds. | 03-24-2016 |
20160131631 | Method for Characterizing the Hydrocarbon Content of a Reformate Stream - Method for characterizing the hydrocarbon content of a reformate sample stream. Water and ammonia are removed from the sample stream and the hydrocarbon content is measured using a chemical component analyzer. | 05-12-2016 |