Patents Assigned to Polestar Technologies, Inc.
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Publication number: 20180195957Abstract: The present disclosure relates to compositions, films and devices for sensing gas molecules. More particularly, the present disclosure relates to compositions, films and devices for sensing gas molecules utilizing optical sensing techniques having improved optical properties including a fluorinated protective layer.Type: ApplicationFiled: January 6, 2017Publication date: July 12, 2018Applicant: POLESTAR TECHNOLOGIES, INCInventors: James Kane, Justin Harris, James Biagioni, Timothy Bortz
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Patent number: 9891187Abstract: Systems that can measure small changes in ion concentrations and method of manufacturing and using those systems. The system includes a substrate, a plurality of multi-walled carbon nanotubes, each multi-walled carbon nanotube from the plurality of multi-walled carbon nanotubes having two ends and a surface extending between the two ends, one of the two ends being disposed on and operatively attached to the substrate, the other of the two ends not being disposed on the substrate, a number of organic molecules; each organic molecule bound to one multi-walled carbon nanotube, each organic molecule also having an end group with affinity for a predetermined ion(s), and a substantially nonconducting polymer deposited on a portion of each multiwalled carbon nanotube, the portion substantially not including locations on each multiwalled carbon nanotube at which each organic molecule is chelated.Type: GrantFiled: April 8, 2015Date of Patent: February 13, 2018Assignee: POLESTAR TECHNOLOGIES, INC.Inventors: Ranganathan Shashidhar, Yufeng Ma, James A. Kane
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Patent number: 9491378Abstract: Methods and systems for efficiently and accurately detecting and identifying concealed materials. The system includes an analysis subsystem configured to process a number of pixelated images, the number of pixelated images obtained by repeatedly illuminating, through a patterning component, regions, where an electromagnetic radiation source, from a number of electromagnetic radiation sources, illuminates the patterning component, each repetition performed with a different wavelength. A number of Global pixelated images are obtained. The number of global pixelated images, after processing, constitute a vector of processed data at each pixel from a number of pixels. At each pixel, the vector of processed data is compared to a predetermined vector corresponding to a predetermined material, presence of the predetermined material being determined by the comparison.Type: GrantFiled: April 7, 2014Date of Patent: November 8, 2016Assignee: Polestar Technologies, Inc.Inventors: James A. Kane, Ranganathan Shashidhar
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Patent number: 9347908Abstract: A molecular recognition sensor system is provided incorporating a molecular imprinted nanosensor device.Type: GrantFiled: November 5, 2012Date of Patent: May 24, 2016Assignee: Polestar Technologies, Inc.Inventors: Xiulan Li, Ranganathan Shashidhar, Yufeng Ma
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Patent number: 9316594Abstract: A carbon dioxide detector including a sensor component, where the sensor component has a colorimetric indicator salt of a colorimetric pH indicator and a lipophilic phosphonium quaternary cation, a transparent polymer vehicle or a plasticizer not being in a mixture with the colorimetric indicator salt; and a porous memory, a porous polymer membrane in one instance, the colorimetric indicator salt being deposited on a surface of the porous polymer membrane; the colorimetric indicator salt deposited on the porous polymer membrane does not include a transparent polymer vehicle or a plasticizer, and carbon dioxide detection systems using the detector.Type: GrantFiled: May 30, 2013Date of Patent: April 19, 2016Assignee: Polestar Technologies, Inc.Inventor: James A. Kane
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Patent number: 9310512Abstract: Methods and systems for efficiently and accurately detecting and identifying concealed materials. The system includes an analysis subsystem configured to process one or more detection outputs, the detection outputs obtained by illuminating regions with a electromagnetic radiation source from the number of electromagnetic radiation sources, each electromagnetic radiation source emitting at a different wavelength, the one or more detection outputs, after processing, constituting a vector of processed data, and the analysis subsystem being also configured to compare the vector of processed data to a predetermined vector corresponding to a predetermined material, presence of the predetermined material being determined by the comparison.Type: GrantFiled: August 7, 2015Date of Patent: April 12, 2016Assignee: Polestar Technologies, Inc.Inventors: James A. Kane, Ranganathan Shashidhar, Timothy Bortz
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Patent number: 9305237Abstract: Methods and systems for efficiently and accurately detecting and identifying concealed materials. The system includes an analysis subsystem configured to process a number of pixelated images, the number of pixelated images obtained by repeatedly illuminating regions with a electromagnetic radiation source from a number of electromagnetic radiation sources, each repetition performed with a different wavelength. The number of pixelated images, after processing, constitute a vector of processed data at each pixel from a number of pixels. At each pixel, the vector of processed data is compared to a predetermined vector corresponding to a predetermined material, presence of the predetermined material being determined by the comparison.Type: GrantFiled: January 15, 2013Date of Patent: April 5, 2016Assignee: Polestar Technologies, Inc.Inventors: James A. Kane, Ranganathan Shashidhar
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Patent number: 9262692Abstract: Methods and systems for efficiently and accurately detecting and identifying concealed materials. The system includes an analysis subsystem configured to process a number of pixelated images, the number of pixelated images obtained by repeatedly illuminating regions with a electromagnetic radiation source from a number of electromagnetic radiation sources, each repetition performed with a different wavelength. The number of pixelated images, after processing, constitute a vector of processed data at each pixel from a number of pixels. At each pixel, the vector of processed data is compared to a predetermined vector corresponding to a predetermined material, presence of the predetermined material being determined by the comparison.Type: GrantFiled: November 2, 2012Date of Patent: February 16, 2016Assignee: Polestar Technologies, Inc.Inventors: James A. Kane, Ranganathan Shashidhar
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Patent number: 8685745Abstract: A multilayered optical sensing patch, for the measurement of conditions, such as pH, oxygen level, etc, within containers, is provided. The multilayered optical sensing patch of the present invention is comprised of a heat sealable polymer substrate layer, and a polymeric sensing membrane later attached thereto. The polymer sensing membrane layer is formed of a porous polymer support membrane, and an optical sensing composition (comprising a reactive indicator) covalently bonded thereto. The heat sealable polymer substrate layer is capable of being securely bonded to the inner layer of bioreactor bags, as well as the porous polymer support substrate layer. Further, the porous polymer support membrane layer provides a firm supporting structure for the polymeric sensing layer, thereby protecting the optical sensing composition disposed therein from degradation/damage.Type: GrantFiled: October 26, 2011Date of Patent: April 1, 2014Assignee: Polestar Technologies, Inc.Inventor: James A. Kane
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Patent number: 8628728Abstract: A non-invasive, calorimetric infection detector is provided, comprised of a substrate, and one or more indicator compositions disposed upon or incorporated therein. These indicator compositions exhibit a persistent change color when exposed to gaseous oxides of nitrogen and acids formed therefrom, providing a means of detecting NO production in a wound, which has been found to occur at a high level at the onset of infection in a wound. In addition, a bandage is provided, comprised of the detector, as well as a porous portion, and preferably a hydrophobic barrier layer to protect the detector from contamination by water and other fluids draining from the wound. The non-invasive, calorimetric infection detector, and bandage containing same, can be utilized to provide a convenient, easily utilized colorimetric means of detecting the onset of wound infection, thereby enabling caregivers to effectively and timely treat infections.Type: GrantFiled: January 15, 2009Date of Patent: January 14, 2014Assignee: Polestar Technologies, Inc.Inventors: James A Kane, Melissa Ricci, Ranganathan Shashidhar
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Patent number: 8552401Abstract: An optical chemical sensor feedback control system is provided comprised of a luminescent sensing film, an optical processor adjacent the sensing film capable of sinusoidally photoexciting the luminescent sensing film and detecting the luminescent emission resulting therefrom, and a computer control means executing a computer program, in communication with the optical processor. The computer control means is operable to control the magnitude of the photoexcitation of the luminescent sensing film, wherein the computer control means receives data regarding the luminescent emission resulting therefrom, analyzes same, and determines the magnitude and phase shift of the luminescence relative to the photoexcitation. Further, the system herein is operable to determine the status of the sensing film, and adjust the magnitude of photoexcitation thereof based on same.Type: GrantFiled: January 5, 2009Date of Patent: October 8, 2013Assignee: Polestar Technologies, Inc.Inventor: James A Kane
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Publication number: 20130092547Abstract: A molecular recognition sensor system is provided incorporating a molecular imprinted nanosensor device.Type: ApplicationFiled: November 5, 2012Publication date: April 18, 2013Applicant: POLESTAR TECHNOLOGIES, INC.Inventors: Xiulan Li, Ranganathan Shashidhar, Yufeng Ma
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Patent number: 8415624Abstract: A method and system for detection and identification of concealed materials, is provided, wherein a dark image and two or more NIR sample images are taken at two or more key wavelengths or bands of wavelengths corresponding to peaks and/or valleys in the NIR spectra of known materials, and differential wavelength imaging processes are used to produce a differential wavelength image based on therein. The differential wavelength image is then analyzed/processed so as to detect any materials concealed on the target of interest, such as a human or piece of baggage, by calculation of pixel intensity values in the image and identification of distinctive pixel values. Then, via various methods, the distinctive pixel values of the detected materials are compared to a data set of known wavelengths related to known materials, such as explosives and other contraband. Correspondence thereof results in an accurate identification of the concealed material(s).Type: GrantFiled: February 25, 2010Date of Patent: April 9, 2013Assignee: Polestar Technologies, Inc.Inventor: Ranganathan Shashidhar
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Patent number: 8313633Abstract: A molecular recognition sensor system is provided incorporating a molecular imprinted nanosensor device formed by the process steps of: (a) fabricating using photolithography a pair of metallic electrodes separated by a microscale gap onto a first electrical insulation layer formed on a substrate; (b) applying a second electrical insulation layer on most of a top surface of said pairs of electrodes; (c) depositing additional metallic electrode material onto said electrode pairs using electrochemical deposition, thereby decreasing said microgap to a nano sized gap between said electrode pairs; (d) electrochemically polymerizing in said nanogap conductive monomers containing a target analyte, thereby forming a conducting polymer nanojunction in the gap between electrode pairs; and (e) immersing resultant sensor device in a solution which removes away the target analyte, and intermittently applying a voltage to the conducting polymer while it is immersed in said solution, thereby swelling and shrinking the coType: GrantFiled: July 28, 2009Date of Patent: November 20, 2012Assignee: Polestar Technologies, Inc.Inventors: Xiulan Li, Ranganathan Shashidhar, Yufeng Ma
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Patent number: 8313710Abstract: A multilayered optical sensing patch, for the measurement of conditions, such as pH, oxygen level, etc, within containers, is provided. The multilayered optical sensing patch of the present invention is comprised of a heat sealable polymer substrate layer, and a polymeric sensing membrane later attached thereto. The polymer sensing membrane layer is formed of a porous polymer support membrane, and an optical sensing composition (comprising a reactive indicator) covalently bonded thereto. The heat sealable polymer substrate layer is capable of being securely bonded to the inner layer of bioreactor bags, as well as the porous polymer support substrate layer. Further, the porous polymer support membrane layer provides a firm supporting structure for the polymeric sensing layer, thereby protecting the optical sensing composition disposed therein from degradation/damage.Type: GrantFiled: May 16, 2008Date of Patent: November 20, 2012Assignee: Polestar Technologies, Inc.Inventor: James A Kane
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Publication number: 20110024302Abstract: A molecular recognition sensor system is provided incorporating a molecular imprinted nanosensor device formed by the process steps of: (a) fabricating using photolithography a pair of metallic electrodes separated by a microscale gap onto a first electrical insulation layer formed on a substrate; (b) applying a second electrical insulation layer on most of a top surface of said pairs of electrodes; (c) depositing additional metallic electrode material onto said electrode pairs using electrochemical deposition, thereby decreasing said microgap to a nano sized gap between said electrode pairs; (d) electrochemically polymerizing in said nanogap conductive monomers containing a target analyte, thereby forming a conducting polymer nanojunction in the gap between electrode pairs; and (e) immersing resultant sensor device in a solution which removes away the target analyte, and intermittently applying a voltage to the conducting polymer while it is immersed in said solution, thereby swelling and shrinking the coType: ApplicationFiled: July 28, 2009Publication date: February 3, 2011Applicant: POLESTAR TECHNOLOGIES, INC.Inventors: Xiulan Li, Ranganathan Shashidhar, Yufeng Ma
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Publication number: 20100278441Abstract: A method and system for detection and identification of concealed materials, is provided, wherein a dark image and two or more NIR sample images are taken at two or more key wavelengths or bands of wavelengths corresponding to peaks and/or valleys in the NIR spectra of known materials, and differential wavelength imaging processes are used to produce a a differential wavelength image based on therein. The differential wavelength image is then analyzed/processed so as to detect any materials concealed on the target of interest, such as a human or piece of baggage, by calculation of pixel intensity values in the image and identification of distinctive pixel values. Then, via various methods, the distinctive pixel values of the detected materials are compared to a data set of known wavelengths related to known materials, such as explosives and other contraband. Correspondence thereof results in an accurate identification of the concealed material(s).Type: ApplicationFiled: February 25, 2010Publication date: November 4, 2010Applicant: Polestar Technologies, Inc.Inventor: Ranganathan Shashidhar
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Publication number: 20100178203Abstract: A non-invasive, calorimetric infection detector is provided, comprised of a substrate, and one or more indicator compositions disposed upon or incorporated therein. These indicator compositions exhibit a persistent change color when exposed to gaseous oxides of nitrogen and acids formed therefrom, providing a means of detecting NO production in a wound, which has been found to occur at a high level at the onset of infection in a wound. In addition, a bandage is provided, comprised of the detector, as well as a porous portion, and preferably a hydrophobic barrier layer to protect the detector from contamination by water and other fluids draining from the wound. The non-invasive, calorimetric infection detector, and bandage containing same, can be utilized to provide a convenient, easily utilized colorimetric means of detecting the onset of wound infection, thereby enabling caregivers to effectively and timely treat infections.Type: ApplicationFiled: January 15, 2009Publication date: July 15, 2010Applicant: POLESTAR TECHNOLOGIES, INC.Inventors: James A. Kane, Melissa Ricci, Ranganathan Shashidhar
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Publication number: 20100032583Abstract: An optical chemical sensor feedback control system is provided comprised of a luminescent sensing film, an optical processor adjacent the sensing film capable of sinusoidally photoexciting the luminescent sensing film and detecting the luminescent emission resulting therefrom, and a computer control means executing a computer program, in communication with the optical processor. The computer control means is operable to control the magnitude of the photoexcitation of the luminescent sensing film, wherein the computer control means receives data regarding the luminescent emission resulting therefrom, analyzes same, and determines the magnitude and phase shift of the luminescence relative to the photoexcitation. Further, the system herein is operable to determine the status of the sensing film, and adjust the magnitude of photoexcitation thereof based on same.Type: ApplicationFiled: January 5, 2009Publication date: February 11, 2010Applicant: POLESTAR TECHNOLOGIES, INC.Inventor: James A. Kane
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Publication number: 20080286155Abstract: A multilayered optical sensing patch, for the measurement of conditions, such as pH, oxygen level, etc, within containers, is provided. The multilayered optical sensing patch of the present invention is comprised of a heat sealable polymer substrate layer, and a polymeric sensing membrane later attached thereto. The polymer sensing membrane layer is formed of a porous polymer support membrane, and an optical sensing composition (comprising a reactive indicator) covalently bonded thereto. The heat sealable polymer substrate layer is capable of being securely bonded to the inner layer of bioreactor bags, as well as the porous polymer support substrate layer. Further, the porous polymer support membrane layer provides a firm supporting structure for the polymeric sensing layer, thereby protecting the optical sensing composition disposed therein from degradation/damage.Type: ApplicationFiled: May 16, 2008Publication date: November 20, 2008Applicant: Polestar Technologies, Inc.Inventor: James A. Kane