Patents by Inventor Cornel P. Cobianu
Cornel P. Cobianu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10663425Abstract: A gas sensor includes a field effect transistor supported on an oxide layer of a substrate, the field effect transistor having a doped source (p+ doped for T-FET and n+ doped for FET) and an n+ doped drain separated by an channel region (intrinsic for T-FET or slightly p-doped for FET), and a floating gate separated from the channel region by a gate oxide, a passivation layer covering the floating gate, and a sensing layer supported by the passivation layer, the sensing layer comprising nanofibers.Type: GrantFiled: December 28, 2018Date of Patent: May 26, 2020Assignee: Honeywell International Inc.Inventors: Cornel P. Cobianu, Bogdan-Catalin Serban, Viorel Georgel Dumitru, Octavian Buiu, Alisa Stratulat, Mihai Brezeanu
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Patent number: 10634636Abstract: A relative humidity sensor is disclosed. The relative humidity sensor includes a first electrode and a second electrode disposed above a dielectric substrate. A humidity sensitive layer is disposed above at least one of the first electrode and the second electrode, where the humidity sensitive layer comprises a curable composition comprising cellulose acetate butyrate and a hydrophobic filler. In some embodiments, a dust protection layer is disposed above the humidity sensitive layer.Type: GrantFiled: February 2, 2017Date of Patent: April 28, 2020Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Bogdan-Catalin Serban, Mihai Brezeanu, Octavian Buiu, Cornel P. Cobianu
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Patent number: 10527598Abstract: A metal oxide heterostructure includes mixing a first precursor and a second precursor to form a precursor aqueous mixture, adding at least one constituent to the precursor aqueous mixture to form a first solution, adding a nanostructuring reagent to the first solution to form a second solution, sonochemically treating the second solution to provide a metal oxide powder, filtering, washing, and drying the metal oxide powder to provide a metal oxide nanocomposite heterostructure for a sensing layer of a hydrogen sulfide sensor. A method for forming a hydrogen sulfide sensor includes the metal oxide heterostructure, forming a sensing material, contacting the sensing material with interdigitated electrodes to form a sensing layer, and thermally consolidating the sensing layer to form the hydrogen sulfide sensor.Type: GrantFiled: August 9, 2018Date of Patent: January 7, 2020Assignee: HONEYWELL ROMANIA S.R.L.Inventors: Cornel P. Cobianu, Viorel Georgel Dumitru, Bogdan-Catalin Serban, Alisa Stratulat, Mihai Brezeanu, Octavian Buiu
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Patent number: 10429333Abstract: A relative humidity sensor is disclosed. The relative humidity sensor includes a first electrode and a second electrode disposed above a dielectric substrate. A sensitive layer is disposed above at least one of the first electrode and the second electrode, where the sensitive layer is formed from a composition including a polyimide and a hydrophobic filler. A dust protection layer is disposed above the sensitive layer.Type: GrantFiled: April 4, 2016Date of Patent: October 1, 2019Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Bogdan-Catalin Serban, Cornel P. Cobianu, Mihai Brezeanu, Octavian Buiu, Cazimir Gabriel Bostan, Alisa Stratulat
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Publication number: 20190154630Abstract: A gas sensor includes a field effect transistor supported on an oxide layer of a substrate, the field effect transistor having a doped source (p+ doped for T-FET and n+ doped for FET) and an n+ doped drain separated by an channel region (intrinsic for T-FET or slightly p-doped for FET), and a floating gate separated from the channel region by a gate oxide, a passivation layer covering the floating gate, and a sensing layer supported by the passivation layer, the sensing layer comprising nanofibers.Type: ApplicationFiled: December 28, 2018Publication date: May 23, 2019Inventors: Cornel P. Cobianu, Bogdan-Catalin Serban, Viorel Georgel Dumitru, Octavian Buiu, Alisa Stratulat, Mihai Brezeanu
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Patent number: 10246573Abstract: Various embodiments disclosed relate to anti-static compositions and gloves made from the same. In various embodiments, the present invention provides a doped polyaniline comprising a dopant that is a polyacrylic acid; a polymethacrylic acid; a sulfonatocalixarene; a cyclodextrin sulfate; a compound having the structure: wherein R2 is chosen from substituted or unsubstituted (C1-C10)hydrocarbyl- and substituted or unsubstituted (C1-C10)hydrocarbyl-O—, L1 is substituted or unsubstituted (C1-C10)hydrocarbylene, L2 is chosen from a bond, —O—, —O—C(O)—, and —NH—C(O)—, and n is about 1 to about 100,000; a salt thereof; or a combination thereof.Type: GrantFiled: February 2, 2017Date of Patent: April 2, 2019Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Bogdan-Catalin Serban, Cornel P. Cobianu, Octavian Buiu, Mihai Brezeanu, Alisa Stratulat, Viorel Georgel Dumitru, Andrea Piesker, Christiane Saunier, Eric Farin
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Patent number: 10197526Abstract: A gas sensor includes a field effect transistor supported on an oxide layer of a substrate, the field effect transistor having a doped source (p+ doped for T-FET and n+ doped for FET) and an n+ doped drain separated by an channel region (intrinsic for T-FET or slightly p-doped for FET), and a floating gate separated from the channel region by a gate oxide, a passivation layer covering the floating gate, and a sensing layer supported by the passivation layer, the sensing layer comprising nanofibers.Type: GrantFiled: August 29, 2016Date of Patent: February 5, 2019Assignee: Honeywell International Inc.Inventors: Cornel P. Cobianu, Bogdan-Catalin Serban, Viorel Georgel Dumitru, Octavian Buiu, Alisa Stratulat, Mihai Brezeanu
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Publication number: 20180348185Abstract: A metal oxide heterostructure includes mixing a first precursor and a second precursor to form a precursor aqueous mixture, adding at least one constituent to the precursor aqueous mixture to form a first solution, adding a nanostructuring reagent to the first solution to form a second solution, sonochemically treating the second solution to provide a metal oxide powder, filtering, washing, and drying the metal oxide powder to provide a metal oxide nanocomposite heterostructure for a sensing layer of a hydrogen sulfide sensor. A method for forming a hydrogen sulfide sensor includes the metal oxide heterostructure, forming a sensing material, contacting the sensing material with interdigitated electrodes to form a sensing layer, and thermally consolidating the sensing layer to form the hydrogen sulfide sensor.Type: ApplicationFiled: August 9, 2018Publication date: December 6, 2018Applicant: HONEYWELL ROMANIA S. R. L.Inventors: Cornel P. COBIANU, Viorel Georgel DUMITRU, Bogdan-Catalin SERBAN, Alisa STRATULAT, Mihai BREZEANU, Octavian BUIU
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Publication number: 20180263316Abstract: Described is a multilayer glove (100) comprising at least one inner layer (230) having a thickness ti, a top surface, and a bottom surface, the bottom surface facing a hand of a user when wearing the glove; at least one inner protective layer (225) having a thickness tip, a top surface, and a bottom surface, the bottom surface abutting the top surface of the inner layer (230); an outer layer (210) having a thickness to, a top surface, and a bottom surface, the bottom surface facing a hand of a user when wearing the glove; at least one outer protective layer (215) having a thickness top, a top surface, and a bottom surface, the top surface abutting the bottom surface of the outer layer (210); and at least one indicator layer (220) having a thickness tc disposed between the top surface of the inner protective layer (225) and the bottom surface of the outer protective layer (215), wherein the indicator layer comprises at least one pH indicator that generates a color visible at the top surface of the outer layerType: ApplicationFiled: March 16, 2018Publication date: September 20, 2018Inventors: Cornel P. Cobianu, Alisa Stratulat, Bogdan-Catalin Serban, Octavian Buiu, Andrea Piesker, Eric Farin
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Patent number: 10067107Abstract: A metal oxide heterostructure includes mixing a first precursor and a second precursor to form a precursor aqueous mixture, adding at least one constituent to the precursor aqueous mixture to form a first solution, adding a nanostructuring reagent to the first solution to form a second solution, sonochemically treating the second solution to provide a metal oxide powder, filtering, washing, and drying the metal oxide powder to provide a metal oxide nanocomposite heterostructure for a sensing layer of a hydrogen sulfide sensor. A method for forming a hydrogen sulfide sensor includes the metal oxide heterostructure, forming a sensing material, contacting the sensing material with interdigitated electrodes to form a sensing layer, and thermally consolidating the sensing layer to form the hydrogen sulfide sensor.Type: GrantFiled: July 6, 2015Date of Patent: September 4, 2018Assignee: Honeywell Romania s.r.l.Inventors: Cornel P. Cobianu, Viorel Georgel Dumitru, Bogdan-Catalin Serban, Alisa Stratulat, Mihai Brezeanu, Octavian Buiu
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Patent number: 9932449Abstract: A hydrogen sulfide sensor is disclosed. The hydrogen sulfide sensor includes a substrate, a pair of interdigitated electrodes supported by the substrate, and a nanocomposite based sensing layer deposited on the interdigitated electrodes and configured to interact with hydrogen sulfide.Type: GrantFiled: July 6, 2015Date of Patent: April 3, 2018Assignee: Honeywell Romania s.r.l.Inventors: Bogdan-Catalin Serban, Octavian Buiu, Cornel P. Cobianu, Mihai Brezeanu
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Publication number: 20170248537Abstract: A relative humidity sensor is disclosed. The relative humidity sensor includes a first electrode and a second electrode disposed above a dielectric substrate. A humidity sensitive layer is disposed above at least one of the first electrode and the second electrode, where the humidity sensitive layer comprises a curable composition comprising cellulose acetate butyrate and a hydrophobic filler. In some embodiments, a dust protection layer is disposed above the humidity sensitive layer.Type: ApplicationFiled: February 2, 2017Publication date: August 31, 2017Inventors: Bogdan-Catalin Serban, Mihai Brezeanu, Octavian Bulu, Cornel P. Cobianu
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Publication number: 20170218179Abstract: Various embodiments disclosed relate to anti-static compositions and gloves made from the same. In various embodiments, the present invention provides a doped polyaniline comprising a dopant that is a polyacrylic acid; a polymethacrylic acid; a sulfonatocalixarene; a cyclodextrin sulfate; a compound having the structure: wherein R2 is chosen from substituted or unsubstituted (C1-C10)hydrocarbyl- and substituted or unsubstituted (C1-C10)hydrocarbyl-O—. L1 is substituted or unsubstituted (C1-C10)hydrocarbylene. L2 is chosen from a bond, —O—, —O—C(O)—, and —NH—C(O)—, and n is about 1 to about 100,000; a salt thereof; or a combination thereof.Type: ApplicationFiled: February 2, 2017Publication date: August 3, 2017Inventors: Bogdan-Catalin Serban, Cornel P. Cobianu, Octavian Buiu, Mihai Brezeanu, Alisa Stratulat, Viorel Georgel Dumitru, Andrea Piesker, Christiane Saunier, Eric Farin
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Publication number: 20170156420Abstract: An inner indicator glove formed of multiple layers including a protective layer having a top surface and a bottom surface, the bottom surface facing a hand of a user when wearing the inner indicator glove, and an indicator layer supported by the top surface of the protective layer and positioned to contact protective glove when the inner indicator glove is inserted into the protective glove, wherein the indicator layer is formed of a material that changes color when exposed to a solution penetrating the protective glove.Type: ApplicationFiled: December 7, 2016Publication date: June 8, 2017Inventors: Cornel P. Cobianu, Bogdan-Catalin Serban, Octavian Buiu, Cristian Diaconu, Eric Farin, Christiane Saunier
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Patent number: 9604191Abstract: The present disclosure relates to a nanostructured palladium-based flammable gas detector synthesized using sonochemistry. The nanostructured palladium-based flammable gas detectors may use nanostructured sensing materials to allow reduction of power consumption, where the nanostructures reduce power consumption due to their large specific area and increased porosity.Type: GrantFiled: July 30, 2015Date of Patent: March 28, 2017Assignee: Honeywell International Inc.Inventors: Cornel P. Cobianu, Bogdan-Catalin Serban, Alisa Stratulat, Viorel Georgel Dumitru, Mihai Brezeanu, Octavian Buiu
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Publication number: 20170067849Abstract: A gas sensor includes a field effect transistor supported on an oxide layer of a substrate, the field effect transistor having a doped source (p+ doped for T-FET and n+ doped for FET) and an n+ doped drain separated by an channel region (intrinsic for T-FET or slightly p-doped for FET), and a floating gate separated from the channel region by a gate oxide, a passivation layer covering the floating gate, and a sensing layer supported by the passivation layer, the sensing layer comprising nanofibers.Type: ApplicationFiled: August 29, 2016Publication date: March 9, 2017Inventors: Cornel P. Cobianu, Bogdan-Catalin Serban, Viorel Georgel Dumitru, Octavian Buiu, Alisa Stratulat, Mihai Brezeanu
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Publication number: 20160299095Abstract: A relative humidity sensor is disclosed. The relative humidity sensor includes a first electrode and a second electrode disposed above a dielectric substrate. A sensitive layer is disposed above at least one of the first electrode and the second electrode, where the sensitive layer is formed from a composition including a polyimide and a hydrophobic filler. A dust protection layer is disposed above the sensitive layer.Type: ApplicationFiled: April 4, 2016Publication date: October 13, 2016Inventors: Bogdan-Catalin SERBAN, Cornel P. COBIANU, Mihai BREZEANU, Octavian BUIU, Cazimir Gabriel BOSTAN, Alisa STRATULAT
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Publication number: 20160038908Abstract: The present disclosure relates to a nanostructured palladium-based flammable gas detector synthesized using sonochemistry. The nanostructured palladium-based flammable gas detectors may use nanostructured sensing materials to allow reduction of power consumption, where the nanostructures reduce power consumption due to their large specific area and increased porosity.Type: ApplicationFiled: July 30, 2015Publication date: February 11, 2016Inventors: Cornel P. COBIANU, Bogdan-Catalin SERBAN, Alisa STRATULAT, Viorel Georgel DUMITRU, Mihai BREZEANU, Octavian BUIU
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Publication number: 20160011161Abstract: A metal oxide heterostructure includes mixing a first precursor and a second precursor to form a precursor aqueous mixture, adding at least one constituent to the precursor aqueous mixture to form a first solution, adding a nanostructuring reagent to the first solution to form a second solution, sonochemically treating the second solution to provide a metal oxide powder, filtering, washing, and drying the metal oxide powder to provide a metal oxide nanocomposite heterostructure for a sensing layer of a hydrogen sulfide sensor. A method for forming a hydrogen sulfide sensor includes the metal oxide heterostructure, forming a sensing material, contacting the sensing material with interdigitated electrodes to form a sensing layer, and thermally consolidating the sensing layer to form the hydrogen sulfide sensor.Type: ApplicationFiled: July 6, 2015Publication date: January 14, 2016Inventors: Cornel P. COBIANU, Viorel Georgel DUMITRU, Bogdan-Catalin SERBAN, Alisa STRATULAT, Mihai BREZEANU, Octavian BUIU
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Publication number: 20160011142Abstract: A hydrogen sulfide sensor is disclosed. The hydrogen sulfide sensor includes a substrate, a pair of interdigitated electrodes supported by the substrate, and a nanocomposite based sensing layer deposited on the interdigitated electrodes and configured to interact with hydrogen sulfide.Type: ApplicationFiled: July 6, 2015Publication date: January 14, 2016Inventors: Bogdan-Catalin SERBAN, Octavian BUIU, Cornel P. COBIANU, Mihai BREZEANU