Patents by Inventor Mark Schoenfisch
Mark Schoenfisch 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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Publication number: 20210395191Abstract: Provided here are nitric oxide-releasing compounds that include at least two different NO donor functional groups of the same class. In some embodiments, such nitric oxide-releasing compounds are macromolecules such as dendrimer and co-condensed silica. Pharmaceutical compositions, wound dressings, kits and methods of treatments are also provided herein.Type: ApplicationFiled: September 3, 2021Publication date: December 23, 2021Inventors: Mark Schoenfisch, Yuan Lu, Nathan Stasko, Jian Bao
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Patent number: 11186681Abstract: The invention generally relates to compositions comprising degradable polymers and methods of making degradable polymers. Specifically, the disclosed degradable polymers comprise a biodegradable polymer backbone, a nitric oxide linker moiety, and a nitric oxide molecule. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.Type: GrantFiled: October 5, 2017Date of Patent: November 30, 2021Assignee: The University of North Carolina at Chapel HillInventors: Mark Schoenfisch, Lei Yang, Yuan Lu
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Patent number: 11124476Abstract: Provided here are nitric oxide-releasing compounds that include at least two different NO donor functional groups of the same class. In some embodiments, such nitric oxide-releasing compounds are macromolecules such as dendrimer and co-condensed silica. Pharmaceutical compositions, wound dressings, kits and methods of treatments are also provided herein.Type: GrantFiled: August 29, 2019Date of Patent: September 21, 2021Assignees: Novan, Inc., The University of North Carolina at Chapel HillInventors: Mark Schoenfisch, Yuan Lu, Nathan Stasko, Jian Bao
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Publication number: 20200055815Abstract: Provided here are nitric oxide-releasing compounds that include at least two different NO donor functional groups of the same class. In some embodiments, such nitric oxide-releasing compounds are macromolecules such as dendrimer and co-condensed silica. Pharmaceutical compositions, wound dressings, kits and methods of treatments are also provided herein.Type: ApplicationFiled: August 29, 2019Publication date: February 20, 2020Inventors: Mark Schoenfisch, Yuan Lu, Nathan Stasko, Jian Bao
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Patent number: 10435357Abstract: Provided here are nitric oxide-releasing compounds that include at least two different NO donor functional groups of the same class. In some embodiments, such nitric oxide-releasing compounds are macromolecules such as dendrimer and co-condensed silica. Pharmaceutical compositions, wound dressings, kits and methods of treatments are also provided herein.Type: GrantFiled: January 3, 2019Date of Patent: October 8, 2019Assignees: The University of North Carolina at Chapel Hill, Novan, Inc.Inventors: Mark Schoenfisch, Yuan Lu, Nathan Stasko, Jian Bao
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Publication number: 20190225747Abstract: The invention generally relates to compositions comprising degradable polymers and methods of making degradable polymers. Specifically, the disclosed degradable polymers comprise a biodegradable polymer backbone, a nitric oxide linker moiety, and a nitric oxide molecule. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.Type: ApplicationFiled: October 5, 2017Publication date: July 25, 2019Inventors: Mark Schoenfisch, Lei Yang, Yuan Lu
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Publication number: 20190135738Abstract: Provided here are nitric oxide-releasing compounds that include at least two different NO donor functional groups of the same class. In some embodiments, such nitric oxide-releasing compounds are macromolecules such as dendrimer and co-condensed silica. Pharmaceutical compositions, wound dressings, kits and methods of treatments are also provided herein.Type: ApplicationFiled: January 3, 2019Publication date: May 9, 2019Inventors: Mark Schoenfisch, Yuan Lu, Nathan Stasko, Jian Bao
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Patent number: 10196349Abstract: Provided here are nitric oxide-releasing compounds that include at least two different NO donor functional groups of the same class. In some embodiments, such nitric oxide-releasing compounds are macromolecules such as dendrimer and co-condensed silica. Pharmaceutical compositions, wound dressings, kits and methods of treatments are also provided herein.Type: GrantFiled: December 7, 2015Date of Patent: February 5, 2019Assignees: The University of North Carolina at Chapel Hill, Novan, Inc.Inventors: Mark Schoenfisch, Yuan Lu, Nathan Stasko, Jian Bao
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Patent number: 9850322Abstract: The presently disclosed subject matter provides nitric oxide-releasing polysaccharides and oligosaccharides, in particular, polyglucosamines, and their use in biomedical and pharmaceutical applications. More particularly, in some embodiments, the presently disclosed subject matter provides nitric oxide-releasing polysaccharides and oligosaccharides that release nitric oxide in a controlled and targeted manner, thereby prolonging the therapeutic effects of nitric oxide and improving the specificity of nitric oxide delivery to targeted cells and/or tissues.Type: GrantFiled: August 16, 2013Date of Patent: December 26, 2017Assignee: The University of North Carolina at Chapel HillInventors: Mark Schoenfisch, Yuan Lu
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Patent number: 9713652Abstract: Provided according to some embodiments of the invention are methods of forming co-condensed silica particles. In some embodiments, the methods include reacting a thiol-containing silane and a backbone alkoxysilane in a reaction solution that comprises water to form thiol-functionalized co-condensed silica particles, wherein the thiol-functionalized co-condensed silica particles include a polysiloxane matrix and at least some of thiol groups are present within the polysiloxane matrix; and reacting the thiol-functionalized co-condensed silica particles with a nitrosating agent to provide the S-nitrosothiol-functionalized co-condensed silica particles. In some embodiments, provided are S-nitrosothiol-functionalized co-condensed silica particles.Type: GrantFiled: August 26, 2013Date of Patent: July 25, 2017Assignees: The University of North Carolina at Chapel Hill, Novan, Inc.Inventors: Mark Schoenfisch, Daniel Riccio, Julia Nugent, Nathan Stasko
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Publication number: 20160083339Abstract: Provided here are nitric oxide-releasing compounds that include at least two different NO donor functional groups of the same class. In some embodiments, such nitric oxide-releasing compounds are macromolecules such as dendrimer and co-condensed silica. Pharmaceutical compositions, wound dressings, kits and methods of treatments are also provided herein.Type: ApplicationFiled: December 7, 2015Publication date: March 24, 2016Inventors: Mark Schoenfisch, Yuan Lu, Nathan Stasko, Jian Bao
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Patent number: 9238038Abstract: Provided here are nitric oxide-releasing compounds that include at least two different NO donor functional groups of the same class. In some embodiments, such nitric oxide-releasing compounds are macromolecules such as dendrimer and co-condensed silica. Pharmaceutical compositions, wound dressings, kits and methods of treatments are also provided herein.Type: GrantFiled: February 19, 2014Date of Patent: January 19, 2016Assignees: The University of North Carolina at Chapel Hill, Novan, Inc.Inventors: Mark Schoenfisch, Yuan Lu, Nathan Stasko, Jian Bao
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Patent number: 9201037Abstract: The presently disclosed subject matter relates to a microfluidic device for measuring an amount of a molecular species in a sample. The device comprises a body and an electrode assembly, the electrode assembly comprising at least one electrode coupled to the body. The device also includes a gas permeable membrane disposed on at least one electrode and a detector for measuring a current at each of the electrodes. Further, the device comprises a channel defined between a substantially planar substrate and planar cover glass. The presently disclosed subject matter also relates to methods of making the microfluidic device.Type: GrantFiled: March 14, 2012Date of Patent: December 1, 2015Inventors: Mark Schoenfisch, Benjamin Privett, John Ramsey, William Henley
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Patent number: 8981139Abstract: Provided according to embodiments of the invention are novel tertiary alkyl thiol compounds and novel tertiary alkyl nitrosothiol compounds. Further provided according to embodiments of the invention are methods of forming a nitric oxide (NO)-releasing xerogel coating that include (a) co-condensing a sol precursor solution comprising at least one backbone alkoxysilane and at least one tertiary thiol alkoxysilane in a solvent to form a sol; (b) coating a substrate with the sol; (c) optionally, drying the sol to form the xerogel coating; and (d) contacting the xerogel coating with a nitrosating agent. Methods of using xerogel coatings are also included.Type: GrantFiled: August 26, 2013Date of Patent: March 17, 2015Assignee: The University of North Carolina at Chapel HillInventors: Mark Schoenfisch, Daniel Riccio
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Publication number: 20140171395Abstract: Provided here are nitric oxide-releasing compounds that include at least two different NO donor functional groups of the same class. In some embodiments, such nitric oxide-releasing compounds are macromolecules such as dendrimer and co-condensed silica. Pharmaceutical compositions, wound dressings, kits and methods of treatments are also provided herein.Type: ApplicationFiled: February 19, 2014Publication date: June 19, 2014Applicants: The University of North Carolina at Chapel Hill, Novan, Inc.Inventors: Mark Schoenfisch, Yuan Lu, Nathan Stasko, Jian Bao
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Publication number: 20140134321Abstract: Provided according to embodiments of the invention are NO-releasing sol-gel coating formed from a sol precursor solution comprising a backbone alkoxysilane and a diazeniumdiolate-modified alkoxysilane. Further provided are methods of producing NO-releasing sol-gel coatings. Such methods may include (a) co-condensing a sol precursor solution comprising a backbone alkoxysilane and a diazeniumdiolate-modified alkoxysilane in a solvent to form a sol; (b) coating a substrate with the sol; and (c) drying the sol to form the NO-releasing sol-gel coating.Type: ApplicationFiled: September 10, 2013Publication date: May 15, 2014Applicants: The University of North Carolina at Chapel Hill, Novan, Inc.Inventors: Nathan Stasko, Mark Schoenfisch, Benjamin Privett, Jae Ho Shin, Wesley Storm
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Publication number: 20140017121Abstract: Provided according to embodiments of the invention are novel tertiary alkyl thiol compounds and novel tertiary alkyl nitrosothiol compounds. Further provided according to embodiments of the invention are methods of forming a nitric oxide (NO)-releasing xerogel coating that include (a) co-condensing a sol precursor solution comprising at least one backbone alkoxysilane and at least one tertiary thiol alkoxysilane in a solvent to form a sol; (b) coating a substrate with the sol; (c) optionally, drying the sol to form the xerogel coating; and (d) contacting the xerogel coating with a nitrosating agent. Methods of using xerogel coatings are also included.Type: ApplicationFiled: August 26, 2013Publication date: January 16, 2014Applicants: The University of North Carolina at Chapel Hill, Novan, Inc.Inventors: Mark Schoenfisch, Daniel Riccio
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Publication number: 20140008220Abstract: The presently disclosed subject matter relates to a microfluidic device for measuring an amount of a molecular species in a sample. The device comprises a body and an electrode assembly, the electrode assembly comprising at least one electrode coupled to the body. The device also includes a gas permeable membrane disposed on at least one electrode and a detector for measuring a current at each of the electrodes. Further, the device comprises a channel defined between a substantially planar substrate and planar cover glass. The presently disclosed subject matter also relates to methods of making the microfluidic device.Type: ApplicationFiled: March 14, 2012Publication date: January 9, 2014Applicant: UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILLInventors: Mark Schoenfisch, Benjamin Privett, John Ramsey, William Henley
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Publication number: 20130344334Abstract: Provided according to some embodiments of the invention are methods of forming co-condensed silica particles. In some embodiments, the methods include reacting a thiol-containing silane and a backbone alkoxysilane in a reaction solution that comprises water to form thiol-functionalized co-condensed silica particles, wherein the thiol-functionalized co-condensed silica particles include a polysiloxane matrix and at least some of thiol groups are present within the polysiloxane matrix; and reacting the thiol-functionalized co-condensed silica particles with a nitrosating agent to provide the S-nitrosothiol-functionalized co-condensed silica particles. In some embodiments, provided are S-nitrosothiol-functionalized co-condensed silica particles.Type: ApplicationFiled: August 26, 2013Publication date: December 26, 2013Applicants: The University of North Carolina at Chapel Hill, Novan, Inc.Inventors: Mark Schoenfisch, Daniel Riccio, Julia Nugent, Nathan Stasko
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Publication number: 20110086234Abstract: Provided according to embodiments of the invention are NO-releasing sol-gel coating formed from a sol precursor solution comprising a backbone alkoxysilane and a diazeniumdiolate-modified alkoxysilane. Further provided are methods of producing NO-releasing sol-gel coatings. Such methods may include (a) co-condensing a sol precursor solution comprising a backbone alkoxysilane and a diazeniumdiolate-modified alkoxysilane in a solvent to form a sol; (b) coating a substrate with the sol; and (c) drying the sol to form the NO-releasing sol-gel coating.Type: ApplicationFiled: October 13, 2010Publication date: April 14, 2011Inventors: Nathan Stasko, Mark Schoenfisch, Benjamin Privett, Jae Ho Shin