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).

  • Publication number: 20210395191
    Abstract: 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: Application
    Filed: September 3, 2021
    Publication date: December 23, 2021
    Inventors: Mark Schoenfisch, Yuan Lu, Nathan Stasko, Jian Bao
  • Patent number: 11186681
    Abstract: 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: Grant
    Filed: October 5, 2017
    Date of Patent: November 30, 2021
    Assignee: The University of North Carolina at Chapel Hill
    Inventors: Mark Schoenfisch, Lei Yang, Yuan Lu
  • Patent number: 11124476
    Abstract: 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: Grant
    Filed: August 29, 2019
    Date of Patent: September 21, 2021
    Assignees: Novan, Inc., The University of North Carolina at Chapel Hill
    Inventors: Mark Schoenfisch, Yuan Lu, Nathan Stasko, Jian Bao
  • Publication number: 20200055815
    Abstract: 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: Application
    Filed: August 29, 2019
    Publication date: February 20, 2020
    Inventors: Mark Schoenfisch, Yuan Lu, Nathan Stasko, Jian Bao
  • Patent number: 10435357
    Abstract: 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: Grant
    Filed: January 3, 2019
    Date of Patent: October 8, 2019
    Assignees: The University of North Carolina at Chapel Hill, Novan, Inc.
    Inventors: Mark Schoenfisch, Yuan Lu, Nathan Stasko, Jian Bao
  • Publication number: 20190225747
    Abstract: 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: Application
    Filed: October 5, 2017
    Publication date: July 25, 2019
    Inventors: Mark Schoenfisch, Lei Yang, Yuan Lu
  • Publication number: 20190135738
    Abstract: 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: Application
    Filed: January 3, 2019
    Publication date: May 9, 2019
    Inventors: Mark Schoenfisch, Yuan Lu, Nathan Stasko, Jian Bao
  • Patent number: 10196349
    Abstract: 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: Grant
    Filed: December 7, 2015
    Date of Patent: February 5, 2019
    Assignees: The University of North Carolina at Chapel Hill, Novan, Inc.
    Inventors: Mark Schoenfisch, Yuan Lu, Nathan Stasko, Jian Bao
  • Patent number: 9850322
    Abstract: 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: Grant
    Filed: August 16, 2013
    Date of Patent: December 26, 2017
    Assignee: The University of North Carolina at Chapel Hill
    Inventors: Mark Schoenfisch, Yuan Lu
  • Patent number: 9713652
    Abstract: 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: Grant
    Filed: August 26, 2013
    Date of Patent: July 25, 2017
    Assignees: The University of North Carolina at Chapel Hill, Novan, Inc.
    Inventors: Mark Schoenfisch, Daniel Riccio, Julia Nugent, Nathan Stasko
  • Publication number: 20160083339
    Abstract: 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: Application
    Filed: December 7, 2015
    Publication date: March 24, 2016
    Inventors: Mark Schoenfisch, Yuan Lu, Nathan Stasko, Jian Bao
  • Patent number: 9238038
    Abstract: 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: Grant
    Filed: February 19, 2014
    Date of Patent: January 19, 2016
    Assignees: The University of North Carolina at Chapel Hill, Novan, Inc.
    Inventors: Mark Schoenfisch, Yuan Lu, Nathan Stasko, Jian Bao
  • Patent number: 9201037
    Abstract: 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: Grant
    Filed: March 14, 2012
    Date of Patent: December 1, 2015
    Inventors: Mark Schoenfisch, Benjamin Privett, John Ramsey, William Henley
  • Patent number: 8981139
    Abstract: 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: Grant
    Filed: August 26, 2013
    Date of Patent: March 17, 2015
    Assignee: The University of North Carolina at Chapel Hill
    Inventors: Mark Schoenfisch, Daniel Riccio
  • Publication number: 20140171395
    Abstract: 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: Application
    Filed: February 19, 2014
    Publication date: June 19, 2014
    Applicants: The University of North Carolina at Chapel Hill, Novan, Inc.
    Inventors: Mark Schoenfisch, Yuan Lu, Nathan Stasko, Jian Bao
  • Publication number: 20140134321
    Abstract: 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: Application
    Filed: September 10, 2013
    Publication date: May 15, 2014
    Applicants: The University of North Carolina at Chapel Hill, Novan, Inc.
    Inventors: Nathan Stasko, Mark Schoenfisch, Benjamin Privett, Jae Ho Shin, Wesley Storm
  • Publication number: 20140017121
    Abstract: 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: Application
    Filed: August 26, 2013
    Publication date: January 16, 2014
    Applicants: The University of North Carolina at Chapel Hill, Novan, Inc.
    Inventors: Mark Schoenfisch, Daniel Riccio
  • Publication number: 20140008220
    Abstract: 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: Application
    Filed: March 14, 2012
    Publication date: January 9, 2014
    Applicant: UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL
    Inventors: Mark Schoenfisch, Benjamin Privett, John Ramsey, William Henley
  • Publication number: 20130344334
    Abstract: 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: Application
    Filed: August 26, 2013
    Publication date: December 26, 2013
    Applicants: The University of North Carolina at Chapel Hill, Novan, Inc.
    Inventors: Mark Schoenfisch, Daniel Riccio, Julia Nugent, Nathan Stasko
  • Publication number: 20110086234
    Abstract: 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: Application
    Filed: October 13, 2010
    Publication date: April 14, 2011
    Inventors: Nathan Stasko, Mark Schoenfisch, Benjamin Privett, Jae Ho Shin