Patents by Inventor DENNIS LEE ASHFORD, II
DENNIS LEE ASHFORD, II 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: 11881549Abstract: An electrochemical electrode and method for making same that provides enhanced characteristics for use in biosensors, such as blood glucose sensors. The electrode comprises a substrate, a conductive layer deposited on the substrate, and a resistive material layer deposited on the conductive layer. The conductive layer comprises nickel and chromium, and the resistive material layer comprises carbon and a carbon-nitrogen species.Type: GrantFiled: June 5, 2018Date of Patent: January 23, 2024Assignee: Eastman Chemical CompanyInventors: Dennis Lee Ashford, II, Daniel Patrick Puzzo, Spencer Erich Hochstetler
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Patent number: 11835481Abstract: A biosensor component is provided that provides enhanced characteristics for use in biosensors, such as blood glucose sensors. The biosensor component comprises a substrate and a conductive layer coated on the substrate. The conductive layer includes nickel, chromium, and iron, such that a combined weight percent of the nickel and chromium in the conductive layer is in the range of 80 to less than 95 weight percent, and the weight percent of iron in the conductive layer is greater than 5 weight percent and less than 12 weight percent.Type: GrantFiled: June 1, 2017Date of Patent: December 5, 2023Assignee: Eastman Chemical CompanyInventors: Spencer Erich Hochstetler, Senthil Nathan Sambandam, Dennis Lee Ashford, II
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Patent number: 11630075Abstract: A biosensor component is provided that provides enhanced characteristics for use in biosensors, such as blood glucose sensors. The biosensor component comprises a substrate, a conductive layer deposited on the substrate, and a resistive material layer deposited on the conductive layer. The conductive layer includes nickel, chromium, and iron, such that a combined weight percent of the nickel and chromium in the conductive layer is in the range of 25 to less than 95 weight percent, the weight percent of nickel in the conductive layer is at least 4 weight percent, the weight percent of chromium in the conductive layer is at least 10 weight percent, the weight percent of iron in the conductive layer at least 2 weight percent, and such that the conductive layer comprises 0 to 20 weight percent molybdenum.Type: GrantFiled: August 30, 2017Date of Patent: April 18, 2023Assignee: Eastman Chemical CompanyInventors: Spencer Erich Hochstetler, Senthil Sambandam, Dennis Lee Ashford, II
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Patent number: 11624723Abstract: A biosensor component is provided that provides enhanced characteristics for use in biosensors, such as blood glucose sensors. The biosensor component comprises a substrate, a conductive layer deposited on the substrate, and a resistive material layer deposited on the conductive layer. The conductive layer includes nickel, chromium, and iron, such that a combined weight percent of the nickel and chromium in the conductive layer is in the range of 25 to less than 95 weight percent, the weight percent of nickel in the conductive layer is at least 8 weight percent, the weight percent of chromium in the conductive layer is at least 10 weight percent, the weight percent of iron in the conductive layer at least 2 weight percent, and such that the conductive layer comprises 0 to 20 weight percent molybdenum.Type: GrantFiled: August 30, 2017Date of Patent: April 11, 2023Assignee: Eastman Chemical CompanyInventors: Spencer Erich Hochstetler, Dennis Lee Ashford, II, Senthil Sambandam
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Patent number: 11609205Abstract: A biosensor component that provides enhanced characteristics for use in biosensors, such as blood glucose sensors. The biosensor component comprises a substrate, and a composite layer deposited on the substrate. The composite layer includes a conductive metal component and a resistive material component, where the conductive metal component comprises one or more non-noble metals, and where the resistive material component in the composite layer is present in an amount greater than 20 atomic percent.Type: GrantFiled: May 20, 2019Date of Patent: March 21, 2023Assignee: Eastman Chemical CompanyInventors: Spencer Erich Hochstetler, Dennis Lee Ashford, II, Senthil Nathan Sambandam
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Patent number: 11561220Abstract: An electrochemical electrode for use in a biosensor. The electrode comprises a substrate, a palladium metal layer manufactured on the substrate, and a palladium oxide-containing layer manufactured on the palladium metal layer. The palladium metal layer has a thickness of no more than 90 nm, and the palladium oxide-containing layer has a thickness of no more than 40 nm.Type: GrantFiled: January 30, 2018Date of Patent: January 24, 2023Assignee: Eastman Chemical CompanyInventors: Dennis Lee Ashford, II, Spencer Erich Hochstetler
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Publication number: 20210123881Abstract: A biosensor component that provides enhanced characteristics for use in biosensors, such as blood glucose sensors. The biosensor component comprises a substrate, and a composite layer deposited on the substrate. The composite layer includes a conductive metal component and a resistive material component, where the conductive metal component comprises one or more non-noble metals, and where the resistive material component in the composite layer is present in an amount greater than 20 atomic percent.Type: ApplicationFiled: May 20, 2019Publication date: April 29, 2021Applicant: EASTMAN CHEMICAL COMPANYInventors: SPENCER ERICH HOCHSTETLER, DENNIS LEE ASHFORD, II, SENTHIL NATHAN SAMBANDAM
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Publication number: 20200271611Abstract: A biosensor component is provided that provides enhanced characteristics for use in biosensors, such as blood glucose sensors. The biosensor component comprises a substrate and a conductive layer coated on the substrate. The conductive layer includes nickel, chromium, and iron, such that a combined weight percent of the nickel and chromium in the conductive layer is in the range of 80 to less than 95 weight percent, and the weight percent of iron in the conductive layer is greater than 5 weight percent and less than 12 weight percent.Type: ApplicationFiled: June 1, 2017Publication date: August 27, 2020Applicant: Eastman Chemical CompanyInventors: Spencer Erich Hochstetler, Senthil Nathan Sambandam, Dennis Lee Ashford, II
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Publication number: 20200271613Abstract: A biosensor component is provided that provides enhanced characteristics for use in biosensors, such as blood glucose sensors. The biosensor component comprises a substrate, a conductive layer deposited on the substrate, and a resistive material layer deposited on the conductive layer. The conductive layer includes nickel, chromium, and iron, such that a combined weight percent of the nickel and chromium in the conductive layer is in the range of 25 to less than 95 weight percent, the weight percent of nickel in the conductive layer is at least 8 weight percent, the weight percent of chromium in the conductive layer is at least 10 weight percent, the weight percent of iron in the conductive layer at least 2 weight percent, and such that the conductive layer comprises 0 to 20 weight percent molybdenum.Type: ApplicationFiled: August 30, 2017Publication date: August 27, 2020Applicant: Eastman Chemical CompanyInventors: Spencer Erich Hochstetler, Dennis Lee Ashford, II, Senthil Sambandam
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Publication number: 20200271612Abstract: A biosensor component is provided that provides enhanced characteristics for use in biosensors, such as blood glucose sensors. The biosensor component comprises a substrate, a conductive layer deposited on the substrate, and a resistive material layer deposited on the conductive layer. The conductive layer includes nickel, chromium, and iron, such that a combined weight percent of the nickel and chromium in the conductive layer is in the range of 25 to less than 95 weight percent, the weight percent of nickel in the conductive layer is at least 4 weight percent, the weight percent of chromium in the conductive layer is at least 10 weight percent, the weight percent of iron in the conductive layer at least 2 weight percent, and such that the conductive layer comprises 0 to 20 weight percent molybdenum.Type: ApplicationFiled: August 30, 2017Publication date: August 27, 2020Applicant: Eastman Chemical CompanyInventors: Spencer Erich Hochstetler, Senthil Sambandam, Dennis Lee Ashford, II
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Publication number: 20200220168Abstract: An electrochemical electrode and method for making same that provides enhanced characteristics for use in biosensors, such as blood glucose sensors. The electrode comprises a substrate, a conductive layer deposited on the substrate, and a resistive material layer deposited on the conductive layer. The conductive layer comprises nickel and chromium, and the resistive material layer comprises carbon and a carbon-nitrogen species.Type: ApplicationFiled: June 5, 2018Publication date: July 9, 2020Applicant: EASTMAN CHEMICAL COMPANYInventors: DENNIS LEE ASHFORD, II, DANIEL PATRICK PUZZO, SPENCER ERICH HOCHSTETLER
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Publication number: 20190376960Abstract: An electrochemical electrode for use in a biosensor. The electrode comprises a substrate, a palladium metal layer manufactured on the substrate, and a palladium oxide-containing layer manufactured on the palladium metal layer. The palladium metal layer has a thickness of no more than 90 nm, and the palladium oxide-containing layer has a thickness of no more than 40 nm.Type: ApplicationFiled: January 30, 2018Publication date: December 12, 2019Applicant: EASTMAN CHEMICAL COMPANYInventors: DENNIS LEE ASHFORD, II, SPENCER ERICH HOCHSTETLER