Patent application number | Description | Published |
20080265221 | TEMPLATED SEMICONDUCTOR PARTICLES AND METHODS OF MAKING - Composite particles of a semiconductor particle such as a metal chalcogenide within a crosslinked, cored dendrimer are described. Additionally, methods of making the composite particles and compositions that contain the composite particles are described. | 10-30-2008 |
20090035179 | COLORIMETRIC SENSOR - Colorimetric sensor films comprising a reflective layer, a polymeric detection layer, and a semi-reflective layer are disclosed. Devices comprising the calorimetric sensor films and methods of making the films and devices are also disclosed. | 02-05-2009 |
20090058600 | DETERMINING COMPATIBILITY OF COMPONENTS FOR ASSEMBLING APPROVED PERSONAL PROTECTION CONFIGURATIONS - This disclosure relates generally to methods and systems for determining whether at least a first component and a second component of a personal protection (PP) configuration are compatible so as to be assembled into an approved PP configuration, responsive to being compared against at least one predetermined criterion. Included is a smart tag for each of the first and second components. The first and second smart tags include respective first and second data. A data acquiring system is provided for acquiring the first and second data and a data processing system processes the acquired first and second data for determining if the first and second components are compatible to be assembled as an approved PP configuration. | 03-05-2009 |
20100189600 | MONITOR FOR OPTICAL DETECTION OF ORGANIC ANALYTES - Herein is disclosed a monitor that can be used to detect and/or monitor the presence of organic analytes and that may be used for personal monitoring and/or for area monitoring. The monitor comprises at least one optically interrogatable sensing element that is responsive to the presence of an analyte of interest. | 07-29-2010 |
20100189922 | PERMEABLE NANOPARTICLE REFLECTOR - An optically-responsive multilayer reflective article is formed by applying a dilute solution or suspension of metallic nanoparticles to an optically-responsive detection layer. The solution or suspension is allowed to dry to form a semicontinuous liquid- or vapor-permeable light-reflective layer that will permit a liquid or vapor analyte to pass through the light-reflective layer to cause an optically-responsive change in the detection layer in the presence of the analyte. | 07-29-2010 |
20100234213 | TEMPLATED METAL OXIDE PARTICLES AND METHODS OF MAKING - Composite particles of a metal oxide particle within a crosslinked, cored dendrimer are described. Additionally, methods of making the composite particles and compositions that contain the composite particles are described. | 09-16-2010 |
20100277740 | OPTOELECTRONIC METHODS AND DEVICES FOR DETECTION OF ANALYTES - Herein are disclosed optoelectronic methods and devices for detecting the presence of an analyte. Such methods and devices may comprise at least one sensing element that is responsive to the presence of an analyte of interest and that may be interrogated optically by the use of at least one light source and at least one light detector. | 11-04-2010 |
20100294272 | FILTER CARTRIDGE HAVING COVER FOR MASKING SERVICE LIFE INDICATOR - A filter cartridge | 11-25-2010 |
20100294273 | FILTER CARTRIDGE HAVING LOCATION-REGISTERED VIEW WINDOW FOR END-OF-SERVICE-LIFE-INDICATOR (ESLI) - A filter cartridge | 11-25-2010 |
20100294274 | FILTER CARTRIDGE HAVING CONE OF VISIBILITY FOR END-OF-SERVICE-LIFE-INDICATOR (ESLI) - A filter cartridge | 11-25-2010 |
20110031983 | ORGANIC CHEMICAL SENSOR COMPRISING PLASMA-DEPOSITED MICROPOROUS LAYER, AND METHOD OF MAKING AND USING - Applicant discloses a sensing element for sensing an organic chemical analyte, comprising a first electrode and a second electrode, and a microporous, hydrophobic, analyte-responsive dielectric material disposed at least in proximity to the first and second electrodes. The analyte-responsive dielectric material may be an amorphous random covalent network comprising a mean pore size of less than about 10 nm and a porosity of at least about 20%. An electrical property of the sensing element, such as capacitance, can be monitored in order to sense an organic chemical analyte. | 02-10-2011 |
20110045601 | ORGANIC CHEMICAL SENSOR COMPRISING MICROPOROUS POLYMER, AND METHOD OF USE - Applicant discloses a sensing element for sensing an organic chemical analyte, comprising a first electrode and a second electrode, and a microporous, hydrophobic, analyte-responsive dielectric material disposed at least in proximity to the first and second electrodes. The analyte-responsive dielectric material may be a polymer of intrinsic microporosity. An electrical property of the sensing element, such as capacitance, can be monitored in order to sense an organic chemical analyte. | 02-24-2011 |
20110094514 | PATTERNED CHEMICAL SENSOR HAVING INERT OCCLUDING LAYER | 04-28-2011 |
20110115629 | TRACKING COMPLIANCE OF PERSONAL PROTECTION ARTICLES - Methods and systems for tracking compliance of personal protection (PP) articles in working environments. Tracking compliance includes providing at least one PP article configured with a smart tag; providing at least one predetermined criterion that governs compliance with respect to the at least one PP article in a particular working environment; tracking the PP article by retrieving smart tag data; and determining whether the smart tag data satisfies at least one predetermined criterion; and storing data relating to results of the determination. | 05-19-2011 |
20110207868 | TEMPLATED METAL OXIDE PARTICLES AND METHODS OF MAKING - Composite particles of a metal oxide particle within a crosslinked, cored dendrimer are described. Additionally, methods of making the composite particles and compositions that contain the composite particles are described. | 08-25-2011 |
20110227700 | DETERMINING CONDITIONS OF COMPONENTS REMOVABLY COUPLED TO PERSONAL PROTECTION EQUIPMENT - Method and system are disclosed for determining conditions of components that are removably coupled to articles of personal protection equipment (PPE) by tracking the components against predetermined criteria. | 09-22-2011 |
20110234374 | DETERMINING CONDITIONS OF PERSONAL PROTECTION ARTICLES AGAINST AT LEAST ONE CRITERION - The present disclosure is particularly adapted for determining whether the condition of personal protection equipment PPE articles satisfies at least one criterion. A method and system provide at least one predetermined criterion that governs use of the PPE article in a working environment; a PPE article is configured with a smart tag, and a sensing device is provided that is configured to sense data in a working environment related to the predetermined criterion. Acquired data from the sensing device and the smart tag are processed in a data processing system to determine whether the condition of the PPE article satisfies the at least one predetermined criterion. | 09-29-2011 |
20110257038 | ORGANIC CHEMICAL SENSOR WITH MICROPOROUS ORGANOSILICATE MATERIAL - Multi-layered optical sensor films are disclosed. The sensor films include a first reflective layer, a detection layer over the reflective layer, and optionally a second reflective layer over the detection layer. The detection layer contains a hydrophobic, amorphous, substantially microporous, analyte-sensitive organosilicate composition. The analyte-sensitive organosilicate composition provides an optical change in the film upon analyte exposure. | 10-20-2011 |
20110257281 | AMORPHOUS MICROPOROUS ORGANOSILICATE COMPOSITIONS - Organosilicate materials and methods for preparing organosilicate materials, including organosilicate films are provided. The organosilicate materials are hydrophobic, amorphous, and substantially microporous. These materials are prepared from organo-functional hydrolysable silane precursors and are prepared without the use of porogens. These materials are suitable for a wide range of uses, including as detection layers for sensing applications. | 10-20-2011 |
20120062892 | MULTILAYER COLORIMETRIC SENSORS - Herein are disclosed methods and devices for detecting the presence of an analyte. Such methods and devices may comprise at least one sensing element that comprises at least one optically responsive layer that comprises at least a highly analyte-responsive sublayer and a minimally analyte-responsive sublayer. Methods of making and using such sensing elements are also disclosed. | 03-15-2012 |
20120062893 | MULTILAYER COLORIMETRIC SENSOR ARRAYS - Herein are disclosed methods and devices for detecting the presence of an analyte. Such methods and devices may comprise an array comprising at least two sensing elements that differ in their response to an analyte of interest. The sensing elements each comprise at least an optically responsive layer that comprises at least a highly analyte-responsive sublayer. At least one sensing element of the array further contains a minimally analyte-responsive sublayer that comprises part of the thickness of the optically responsive layer. Methods of making and using such arrays of sensing elements are also disclosed. | 03-15-2012 |
20130010288 | Filter Systems Including Optical Analyte Sensors and Optical Readers - A filter system includes a housing, a filter medium disposed within the housing and a optical analyte sensor also disposed within the housing in fluid communication with the filter medium. The optical analyte sensor includes a detection medium that changes at least one of its optical characteristics in response to an analyte. The filter system further includes an optical reader having at least one light source and at least one detector. The optical reader is attached to the housing such that at least a portion of light emitted by at least one light source is reflected from the optical analyte sensor and captured by at least one detector. | 01-10-2013 |
20130169967 | Alignment Registration Feature For Analyte Sensor Optical Reader - An optical reader for interrogating an optical analyte sensor includes a housing, comprising in its interior: at least one light source, a detector, and a programmable logic device. The housing has a registration feature configured to align the optical reader with an optical analyte sensor. Methods for confirming alignment of such optical readers are also disclosed. | 07-04-2013 |
20130186279 | Filter Systems Including Patterned Optical Analyte Sensors and Optical Readers - A filter system includes a housing, a filter medium disposed within the housing, an optical analyte sensor, and an optical reader. The optical analyte sensor is characterized by a first region that exhibit a first response to an analyte of interest and a second region that exhibit a second, different, response to an analyte of interest. The optical analyte sensor includes a detection medium and is disposed within the housing such that the detection medium is in fluid communication with the filter medium. The optical reader includes at least one light source and at least one detector. | 07-25-2013 |
20130189166 | POROUS CHEMICAL INDICATOR FOR GASEOUS MEDIA - Chemical indicators for acidic or basic gases include an inert, porous substrate, an indicator dye or mixture of dyes contained within at least some of the pores of the inert, porous substrate, and an inert adhesive layer attached to the inert, porous substrate. The porous substrate may be a microporous substrate. | 07-25-2013 |
20130239813 | PORTABLE MONITOR FOR END OF SERVICE LIFE INDICATION - Devices for monitoring the end of service life of a filter cartridge include a demand substance, a sensing element with a detection point located within or adjacent to the demand substance, a reader for the sensing element, and a fluid delivery device. The detection point of the sensing element is correlated to the service life of a filter cartridge. The correlation is effected by correlation of the residence time of the monitoring device to the residence time of a filter cartridge. The residence time of the monitoring device is correlated to the residence time of the filter cartridge by control of the fluid delivery parameters of the fluid delivery device. The fluid delivery parameters include the flow rate, the demand substance mass, the receptacle cross sectional area, the receptacle volume, the receptacle length, and the demand substance packing density of the monitoring device. | 09-19-2013 |
20130263640 | METHOD FOR CORRELATING A MONITORING DEVICE TO THE END OF SERVICE LIFE OF A FILTER CARTRIDGE - Methods of correlating a monitoring device to the service life of a filter cartridge include providing a monitoring device, and calibrating the monitoring device to correspond to the service life of a filter cartridge. The monitoring device comprises a demand substance within a receptacle, a sensing element with a detection point, a reader for the sensing element, and a fluid delivery device. Calibration includes determining the ratio of the residence time of the monitoring device to the residence time of the filter cartridge, and utilizing the ratio to correlate the response of the sensor within the monitoring device to the service life of the filter cartridge. The response of the sensor is correlated to the service life of the filter cartridge by control of the fluid delivery parameters of the fluid delivery device. The fluid delivery parameters include the flow rate, the demand substance mass, the receptacle cross sectional area, the receptacle volume, the receptacle length, and the demand substance packing density. | 10-10-2013 |
20140007887 | SENSOR COMPRISING A MASKING LAYER ADHESIVE | 01-09-2014 |
20140036270 | OPTOELECTRONIC METHODS AND DEVICES FOR DETECTION OF ANALYTES - Herein are disclosed optoelectronic methods and devices for detecting the presence of an analyte. Such methods and devices may comprise at least one sensing element that is responsive to the presence of an analyte of interest and that may be interrogated optically by the use of at least one light source and at least one light detector. | 02-06-2014 |
20140377135 | FILTER SYSTEMS INCLUDING PATTERNED OPTICAL ANALYTE SENSORS AND OPTICAL READERS - A filter system includes a housing, a filter medium disposed within the housing, an optical analyte sensor, and an optical reader. The optical analyte sensor is characterized by a first region that exhibit a first response to an analyte of interest and a second region that exhibit a second, different, response to an analyte of interest. The optical analyte sensor includes a detection medium and is disposed within the housing such that the detection medium is in fluid communication with the filter medium. The optical reader includes at least one light source and at least one detector. | 12-25-2014 |