Patent application number | Description | Published |
20090012192 | Low Scorching Flame Retardants for Colored Polyurethane Foams - Flame retarded, colored polyurethane foam compositions having reduced discoloration, said foam compositions comprising a foam, which is the reaction product of a polyol and an isocyanate, a colorant, a flame retardant of the type that normally causes scorch and a benzofuranone derivative, as an anti-scorch stabilizer. | 01-08-2009 |
20090156704 | Non-Halogen Flame Retardant Additives for Use in Rigid Polyurethane Foam - Flame retarded polyurethane foams are produced by reacting a polyurethane foam-forming composition comprising polyol, organic isocyanate and at least one phosphate ester containing both alkyl and aryl group functionality. | 06-18-2009 |
20090192237 | Low scorching flame retardants for polyurethane foams - A flame retardant composition for use in flame retarding a polyurethane foam composition so that the foam has reduced scorch as a result of its manufacture, said flame retardant composition comprising a mixture of (a) a flame retardant of the type that normally causes scorch when used in such foam and (b) a benzofuranone derivative, as a anti-scorch stabilizer. Flame retarded polyurethane foams having reduced discoloration are also provided. | 07-30-2009 |
20100044654 | Flame Retardant Composition and Hydrolysis-Susceptible Resin Containing Same - A flame retardant composition is provided which contains at least one phosphate ester containing at least one acidic substance resulting from the process of its manufacture, at least one acidity-reducing hydrotalcite and, optionally, at least one acidity-reducing oxetane. The flame retardant composition is especially useful for addition to resins that are susceptible to hydrolytic degradation such as polyesters and polycarbonates, and to resin blends (alloys) containing one or more of such resins, e.g., a blend of polycarbonate and acrylonitrile butadiene-styrene terpolymer. | 02-25-2010 |
20110034597 | OLIGOMERIC BISPHOSPHATE FLAME RETARDANTS AND COMPOSITIONS CONTAINING THE SAME - An oligomeric phosphate or mixture of oligomeric phosphates having the general formula (I) wherein R | 02-10-2011 |
Patent application number | Description | Published |
20080220984 | Method for diagnosis of physiological states by detecting patterns of volatile analytes - Provided is a non-invasive method for identification of non-physiological, physiological or diseased states based on the volatiles in gas or biogas samples from individuals. The method uses a sensor array comprising a plurality of distinct sensors which differ from other sensors by the sensing molecules or the sol-gel holding material composition. In response to a combination of volatiles, a pattern of responses is generated which can be correlated to particular non-physiological, physiological or diseased state. | 09-11-2008 |
20090011945 | Method For Making Microsensor Arrays For Detecting Analytes - The present invention provides a method and a device for high-throughput, simultaneous, and continuous detection of one or more analytes using a pin-printed chemical sensor array. Chemical sensors comprising [Ru(4,7-diphenyl-1,10-phenanthroline) | 01-08-2009 |
20100001185 | PHOTONIC SENSORS, XEROGEL-BASED SENSORS AND NANOSENSORS - A photonic sensor system is provided. The system generally includes a beta emission source, optionally, a scintillation layer, and a luminophore-containing sensory layer. The system can be embodied in a particle. Also provided are photonic sensor strategies which are highly accurate and photonic sensors which are highly stable. | 01-07-2010 |
20100179397 | Device And Method For Continuous Monitoring Of A Chemical Parameter Of An Individual - A device according to an embodiment of the invention includes a microdialysis catheter having an inlet and an outlet, a pump, and a flow-through monitor. The monitor is configured to analyze dialysate present in perfusion fluid exiting the microdialysis catheter. A chemical parameter may thereby be continuously monitored. | 07-15-2010 |
20100233828 | Site Selectively Tagged and Templated Molecularly Imprinted Polymers for Sensor Applications - This invention provides molecularly imprinted polymers (MIPs) for the detection of analytes, methods for forming the MIPs and detecting the analyte using the MIPs. The MIP comprises templated sites which are formed using a mimic of the analyte such that a reporter compound can be selectively attached at the templated sites, thus providing a site selectively tagged and templated MIP. | 09-16-2010 |
20110084208 | Photonic sensors, xerogel-based sensors and nanosensors - A photonic sensor system is provided. The system generally includes a beta emission source, optionally, a scintillation layer, and a luminophore-containing sensory layer. The system can be embodied in a particle. Also provided are photonic sensor strategies which are highly accurate and photonic sensors which are highly stable. | 04-14-2011 |
20120312192 | Anti-Fouling Coating Compositions and Methods For Preventing the Fouling of Surfaces - A xerogel film exhibiting antifouling properties. The films are made using long-chain alkyltrialkoxysilanes, short-chain alkyltrialkoxysilanes, aminoalkyltrialkoxysilanes, alkylaminoalkyltrialkoxysilanes, dialkylaminoalkyltrialkoxysilanes, and perfluororalkyltrialkoxysilanes as sol-gel precursors. The films can be used as coatings on surfaces to reduce or eliminate fouling resulting from attachment and/or growth of biofoulants such as algae, diatoms, bacteria, barnacles, and biofilms. | 12-13-2012 |
20130102018 | Device and Method for Monitoring and Quantifying Analytes - The present invention can be described as an apparatus and cartridge for detecting the presence of an analyte in a fluid. The invention can also be described as a method of detecting the presence of an analyte in a fluid using the apparatus and cartridge. The method comprises the steps of clamping a sensor cartridge into a cartridge receiver of the apparatus, providing fluid to a fluid flow-path of the cartridge, illuminating at least a portion of a sensor, and using a photodetector to detect a change in the optical property of the sensor, wherein the change is caused by the presence or absence of an analyte in the fluid. | 04-25-2013 |
20130225922 | Device and Methods for in vivo Monitoring of an Individual - The present invention may be embodied as a retrievable device capable of sensing one or more properties of an individual (e.g., chemical or physical parameters, etc.) In use, the retrievable device can continuously determine the chemical concentrations within the vaginal tract. An embodiment of the retrievable device comprises a first housing having a light source and an image capture device, a second housing removably connected to the first housing and having a sensor, and a fitting for retrieving the device. The sensor may be an analyte sensor configured to obtain at least one measurement of a concentration of an analyte in a fluid. The analyte sensor comprises a sensor substance in a sol-gel material so the sensor substance reversibly interacts with an analyte of interest. In addition, the retrievable device can be configured to determine different physical parameters and re-implanted. | 08-29-2013 |
20130237774 | Device and Method for Continuous Chemical Sensing - The present invention may be embodied as an ingestible device capable of sensing one or more chemical parameters. In use, the device can continuously determine the chemical concentrations within an alimentary canal tract. An embodiment of the device comprises a housing resistant to degradation by alimentary canal fluid, a light source, and image capture device. An analyte sensor is configured to obtain at least one measurement of a concentration of analyte in the fluid. The analyte sensor comprises a sensor substance in a sol-gel material so the sensor substance reversibly interacts with an analyte of interest. In addition, the analyte sensor is configured to generate a trigger signal for controlling the operation of subsystems in the device. | 09-12-2013 |
Patent application number | Description | Published |
20100300140 | Air Conditioning System for Cooling the Cabin of a Hybrid-Electric Vehicle - An air conditioning system for use in a hybrid-electric vehicle having an engine and a cabin. The system includes a refrigerant loop and a coolant loop. A phase change heat exchanger including a first tube in fluid communication with the refrigerant loop and a second tube in fluid communication with the coolant loop. The first and second tubes abut one another for conducting heat from the coolant in the coolant loop to the first refrigerant in the refrigerant loop when the vehicle is operating with the engine running. The phase change heat exchanger further includes a chamber abutting the first and second tubes for storing a phase change material. The phase change material conducts heat to the first refrigerant to freeze the phase change material when the vehicle is operating with the engine running and receives heat from the coolant to cool the coolant when the engine is not running. | 12-02-2010 |
20100313587 | Evaporator Phase Change Thermal Siphon - An air conditioning system including an evaporator having a manifold and a plurality of tubes extending downward in a vertical direction from the manifold. The evaporator defines at least one PCM tank engaging the manifold for storing a phase change material. When operating in a first operating mode, heat is transferred from the phase change material to the refrigerant to freeze and cool the phase change material. When operating in a second operating mode, heat is transferred from the refrigerant to the frozen phase change material to condense the refrigerant. The condensed refrigerant falls downwardly through the tubes and receives heat from a flow of air to cool the air and evaporate the refrigerant. The evaporated refrigerant rises upwardly back to the low pressure of the cold manifold. | 12-16-2010 |
20110289905 | EXHAUST GAS HEAT RECOVERY HEAT EXCHANGER - An exhaust gas heat recovery (EGHR) heat exchanger for an internal combustion engine having a housing, a cylindrical body disposed within the housing, an annular exhaust gas passageway, and a central exhaust gas passageway. The EGHR heat exchanger also includes a bypass valve disposed within the central passageway and adapted to selectively by-pass a portion of the exhaust gas from the central exhaust gas passageway to the annular passageway, and at least one twisted tube having at least one edge coiled within the annular exhaust gas passageway. | 12-01-2011 |
20120055195 | Internal Heat Exchanger Assembly Having an Internal Bleed Valve Assembly - An internal heat exchanger assembly for an air conditioning system, having a substantial cylindrical cavity in which a helical coil tube is coaxially disposed within the cylindrical cavity. A bleed valve assembly is incorporated into the helical coiled tube, in which the bleed valve assembly is adapted to open at a predetermined differential pressure between the high pressure side and low pressure side of the internal heat exchanger. The bleed valve selectively bleeds refrigerant from the high pressure side to the low pressure side, thereby increasing the pressure and mass flow rate of the refrigerant to the suction side of a compressor to reduce or eliminate compressor rattle. | 03-08-2012 |
Patent application number | Description | Published |
20090078396 | Thermosiphon for laptop computers comprising a boiling chamber with a square wave partition - The invention provides for an orientation insensitive heat exchanger assembly for cooling an electronic device comprising a hermetically sealed housing defining a boiling chamber and two condensing chambers. A partition is disposed in the boiling chamber and defines two sets of alternating channels extending in overlapping relationship to one another and with one set of alternating channels open to one of the condensing chambers and the other set of alternating channels open to the other condensing chamber for sealing the condensing chambers from one another. Coolant is maintained in each of the condensing chambers. In operation, if the thermosiphon is tilted with one side lower than the other, the channels open to the lower side are empty of coolant into the lower condensing chamber while the channels open to the opposite upper side hold the coolant over the entire boiling chamber aligning with an electronic device to continue cooling. | 03-26-2009 |
20100018246 | INTERNAL HEAT EXCHANGER ASSEMBLY - An internal heat exchanger assembly for an air conditioning system, having a housing defining a cylindrical with opposing ends. The ends are sealed with end caps having inlets/outlets. A helical coil tube is coaxially disposed within the cylindrical cavity, in which the helical coil includes two tube ends extending in opposing directions and exiting the cylindrical cavity through tube ports provided in the end caps. A twisted elongated strip is coaxially disposed within the cylindrical cavity extending from the first end to the second end. The twisted elongated strip includes a plurality of radially extending fingers adapted to engage the helical coil to maintain the helical coil in a predetermined position. | 01-28-2010 |
20110289959 | AIR CONDITIONING SYSTEM HAVING AN IMPROVED INTERNAL HEAT EXCHANGER - An air conditioning system having an improved internal heat exchanger (IHX) assembly. The IHX assembly includes an elongated cavity for low pressure refrigerant flow from an evaporator and an interior tube disposed within the cavity for high pressure refrigerant flow from a condenser, and a pressure equalization passage between the low and high pressure sides. The passage is large enough to allow pressures to equalize between the condenser and evaporator while the air conditioning system is inactive, so as to prevent the pressure differential that would otherwise enable the loss of refrigerant oil from the compressor, and small enough not to effect the operation of the air conditioning system. The pressure equalization passage may be a by-pass valve assembly having a reed portion that is normally open when the air conditioning system is inactive and closed when the air conditioning system is active for maximum cooling efficiency. | 12-01-2011 |
20130112371 | EXHAUST GAS HEAT RECOVERY HEAT EXCHANGER HAVING A LOBED TUBE COIL - An exhaust gas heat recovery (EGHR) heat exchanger, for recovering waste heat from the hot exhaust gases of an internal combustion engine, having a housing and a cylindrical body disposed within the housing. The cylindrical body defines a central passageway and together with the housing defines an annular passageway for the flow of hot exhaust gases. A bypass means is disposed within the central passageway and adapted to selectively by-pass at least a portion of the exhaust gas from the central passageway to the annular passageway. The EGHR heat exchanger also includes at least one fluid tube extending along a tube axis and having at least one lobe extending the length of the tube thereby defining a lobed tube. The lobed tube is twisted about the tube axis forming a twisted lobed tube which is then coiled about the longitudinal axis within the annular exhaust gas passageway. | 05-09-2013 |
Patent application number | Description | Published |
20090012192 | Low Scorching Flame Retardants for Colored Polyurethane Foams - Flame retarded, colored polyurethane foam compositions having reduced discoloration, said foam compositions comprising a foam, which is the reaction product of a polyol and an isocyanate, a colorant, a flame retardant of the type that normally causes scorch and a benzofuranone derivative, as an anti-scorch stabilizer. | 01-08-2009 |
20090156704 | Non-Halogen Flame Retardant Additives for Use in Rigid Polyurethane Foam - Flame retarded polyurethane foams are produced by reacting a polyurethane foam-forming composition comprising polyol, organic isocyanate and at least one phosphate ester containing both alkyl and aryl group functionality. | 06-18-2009 |
20090192237 | Low scorching flame retardants for polyurethane foams - A flame retardant composition for use in flame retarding a polyurethane foam composition so that the foam has reduced scorch as a result of its manufacture, said flame retardant composition comprising a mixture of (a) a flame retardant of the type that normally causes scorch when used in such foam and (b) a benzofuranone derivative, as a anti-scorch stabilizer. Flame retarded polyurethane foams having reduced discoloration are also provided. | 07-30-2009 |
20090215915 | Flame retardant composition and polyurethane foams containing same - The present invention relates to flame-retardant compositions for use in polyurethane foams, the flame-retardant composition comprising: (a) a phosphate ester blend comprising triphenyl phosphate and one or more alkyl-substituted triphenyl phosphates; and (b) a polyol crosslinking agent soluble in the phosphate ester blend. The invention also relates to flexible polyurethane foams containing these flame-retardant compositions. | 08-27-2009 |
20100044654 | Flame Retardant Composition and Hydrolysis-Susceptible Resin Containing Same - A flame retardant composition is provided which contains at least one phosphate ester containing at least one acidic substance resulting from the process of its manufacture, at least one acidity-reducing hydrotalcite and, optionally, at least one acidity-reducing oxetane. The flame retardant composition is especially useful for addition to resins that are susceptible to hydrolytic degradation such as polyesters and polycarbonates, and to resin blends (alloys) containing one or more of such resins, e.g., a blend of polycarbonate and acrylonitrile butadiene-styrene terpolymer. | 02-25-2010 |
20110034597 | OLIGOMERIC BISPHOSPHATE FLAME RETARDANTS AND COMPOSITIONS CONTAINING THE SAME - An oligomeric phosphate or mixture of oligomeric phosphates having the general formula (I) wherein R | 02-10-2011 |