Patents by Inventor Ginger Denison Rothrock
Ginger Denison Rothrock 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: 20230248651Abstract: The presently disclosed subject matter describes the use of fluorinated elastomer-based materials, in particular perfluoropolyether (PFPE)-based materials, in high-resolution soft or imprint lithographic applications, such as micro- and nanoscale replica molding, and the first nano-contact molding of organic materials to generate high fidelity features using an elastomeric mold. Accordingly, the presently disclosed subject matter describes a method for producing free-standing, isolated nanostructures of any shape using soft or imprint lithography technique.Type: ApplicationFiled: April 21, 2023Publication date: August 10, 2023Applicant: THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILLInventors: JOSEPH M. DESIMONE, JASON P. ROLLAND, BENJAMIN W. MAYNOR, LARKEN E. EULISS, GINGER DENISON ROTHROCK, ANSLEY E. DENNIS, EDWARD T. SAMULSKI, R. JUDE SAMULSKI
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Patent number: 11642313Abstract: The presently disclosed subject matter describes the use of fluorinated elastomer-based materials, in particular perfluoropolyether (PFPE)-based materials, in high-resolution soft or imprint lithographic applications, such as micro- and nanoscale replica molding, and the first nano-contact molding of organic materials to generate high fidelity features using an elastomeric mold. Accordingly, the presently disclosed subject matter describes a method for producing free-standing, isolated nanostructures of any shape using soft or imprint lithography technique.Type: GrantFiled: November 11, 2020Date of Patent: May 9, 2023Assignee: THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILLInventors: Joseph M. DeSimone, Jason P. Rolland, Benjamin W. Maynor, Larken E. Euliss, Ginger Denison Rothrock, Ansley E. Dennis, Edward T. Samulski, R. Jude Samulski
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Publication number: 20230094662Abstract: A three-dimensional cell growth containment article is described, which includes a molded body channelized by removal of sacrificial channelizing element(s) therefrom, so that the molded body contains one or more channel(s) therein, with a matrix material in at least one of such channel(s) that is supportive of three-dimensional cell growth in the matrix material. A method for making such articles is also described, in which a molded body is formed with one or more sacrificial channelizing element(s) therein, following which the sacrificial channelizing element(s) are removed. The three-dimensional cell growth containment articles of the present disclosure may be utilized in any applications in which there exists a need to reproducibly generate three-dimensional cellular structures, e.g.Type: ApplicationFiled: November 7, 2022Publication date: March 30, 2023Inventors: Leah Marie Johnson, Ninell Pollas Mortensen, Ginger Denison Rothrock, Nicholas D. Huffman
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Patent number: 11518971Abstract: A three-dimensional cell growth containment article is described, which includes a molded body channelized by removal of sacrificial channelizing element(s) therefrom, so that the molded body contains one or more channel(s) therein, with a matrix material in at least one of such channel(s) that is supportive of three-dimensional cell growth in the matrix material. A method for making such articles is also described, in which a molded body is formed with one or more sacrificial channelizing element(s) therein, following which the sacrificial channelizing element(s) are removed. The three-dimensional cell growth containment articles of the present disclosure may be utilized in any applications in which there exists a need to reproducibly generate three-dimensional cellular structures, e.g.Type: GrantFiled: November 26, 2019Date of Patent: December 6, 2022Assignee: RESEARCH TRIANGLE INSTITUTEInventors: Leah Marie Johnson, Ninell Pollas Mortensen, Ginger Denison Rothrock, Nicolas D. Huffman
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Publication number: 20210346661Abstract: A reservoir device comprising an active agent formulation contained within a reservoir is described. The reservoir is defined by a biodegradable, permeable polymer membrane having a thickness of at least 45 ?m. The membrane allows for diffusion of an active agent of the formulation there through when positioned subcutaneously in a body of a subject.Type: ApplicationFiled: October 16, 2019Publication date: November 11, 2021Inventors: Leah Marie JOHNSON, Ariane VAN DER STRATEN, Ginger Denison ROTHROCK, Linying Alice LI, Ellen LUECKE, Natalie GIROUARD, Zach Richard DEMKOVICH, Sai Archana KROVI
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Patent number: 11147763Abstract: The disclosure provides biomedical devices comprising indicator agents sensitive to the environment of use, methods of using same to enhance adherence to a treatment or usage regimen, and systems for monitoring compliance of use of the biomedical device. The biomedical device may be an intravaginal ring comprised of biocompatible polymeric material having indicator agent incorporated therein capable of producing a detectable change in response to a stimulus within the vaginal environment.Type: GrantFiled: October 25, 2016Date of Patent: October 19, 2021Assignee: RESEARCH TRIANGLE INSTITUTEInventors: Leah Marie Johnson, Stephanie Lynn Swarner, Ginger Denison Rothrock, Ariane Van Der Straten Ponthoz, Brian Rhys Stoner
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Publication number: 20210317360Abstract: The present disclosure relates to delivery and release systems, such as core-shell particles. An exemplary composition according to the disclosure can include a degradable polymeric shell surrounding a core that includes a crosslinker, which can encompass a metal, such as chromium. The core-shell particles can be provided with a gel-forming polymer, such as a polyacrylamide, into a subterranean reservoir having conditions such that the shell of the core-shell polymer degrades, and the so-released metal is effective to at least partially crosslink the gel-forming polymer to form a gel. The so-formed gel can be effective to control water flow through the subterranean reservoir, such as in relation to a waterflood of the reservoir.Type: ApplicationFiled: June 23, 2021Publication date: October 14, 2021Inventors: Leah Marie Johnson, Ginger Denison Rothrock, Chasity Antoninette Norton, Nicolas Daniel Huffman, Jeffrey Brent Mecham
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Patent number: 11078411Abstract: The present disclosure relates to delivery and release systems wherein a plurality of particles is provided, and the particles are formed of a vehicle component and a cargo component. The systems and methods particularly can be useful in delivery of various chemicals to a petroleum reservoir. The vehicle component can undergo a change in situ such that at least a portion of the cargo component is released.Type: GrantFiled: January 17, 2017Date of Patent: August 3, 2021Assignee: Research Triangle InstituteInventors: Leah Marie Johnson, Ginger Denison Rothrock, Chasity Antoninette Norton, Sarah Dorothy Shepherd, Nicolas Daniel Huffman, Jeffrey Brent Mecham
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Patent number: 11078404Abstract: The present disclosure relates to delivery and release systems, such as core-shell particles. An exemplary composition according to the disclosure can include a degradable polymeric shell surrounding a core that includes a crosslinker, which can encompass a metal, such as chromium. The core-shell particles can be provided with a gel-forming polymer, such as a polyacrylamide, into a subterranean reservoir having conditions such that the shell of the core-shell polymer degrades, and the so-released metal is effective to at least partially crosslink the gel-forming polymer to form a gel. The so-formed gel can be effective to control water flow through the subterranean reservoir, such as in relation to a waterflood of the reservoir.Type: GrantFiled: August 21, 2019Date of Patent: August 3, 2021Assignee: Research Triangle InstituteInventors: Leah Marie Johnson, Ginger Denison Rothrock, Chasity Antoninette Norton, Nicolas Daniel Huffman, Jeffrey Brent Mecham
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Patent number: 11041116Abstract: A polymer-encapsulated mineral acid solution and a method for forming the polymer-encapsulated mineral acid solution. Introducing a strong mineral acid solution to a monomer solution occurs such that a primary emulsion that is a water-in-oil type emulsion forms. Introducing the primary emulsion to a second aqueous solution forms a secondary emulsion that is a water-in-oil-in-water type double emulsion. The monomer in the secondary emulsion is cured such a polymerized shell forms that encapsulates the strong mineral acid solution and forms the capsule. The strong mineral acid solution has up to 30 wt. % strong mineral acid. A method of stimulating a hydrocarbon-bearing formation using the polymer-encapsulated mineral acid solution includes introducing a capsule suspension into a fissure in the hydrocarbon-bearing formation to be stimulated through a face in a well bore. The capsule is maintained within the fissure until the polymer shell degrades.Type: GrantFiled: November 5, 2019Date of Patent: June 22, 2021Assignees: ARAMCO SERVICES COMPANY, RTI INTERNATIONALInventors: Leah M. Johnson, Ghaithan Al-Muntasheri, Ginger Denison Rothrock, Sarah Shepherd
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Patent number: 11041117Abstract: A polymer-encapsulated mineral acid solution and a method for forming the polymer-encapsulated mineral acid solution. Introducing a strong mineral acid solution to a monomer solution occurs such that a primary emulsion that is a water-in-oil type emulsion forms. Introducing the primary emulsion to a second aqueous solution forms a secondary emulsion that is a water-in-oil-in-water type double emulsion. The monomer in the secondary emulsion is cured such a polymerized shell forms that encapsulates the strong mineral acid solution and forms the capsule. The strong mineral acid solution has up to 30 wt. % strong mineral acid. A method of stimulating a hydrocarbon-bearing formation using the polymer-encapsulated mineral acid solution includes introducing a capsule suspension into a fissure in the hydrocarbon-bearing formation to be stimulated through a face in a well bore. The capsule is maintained within the fissure until the polymer shell degrades.Type: GrantFiled: November 5, 2019Date of Patent: June 22, 2021Assignees: ARAMCO SERVICES COMPANY, RTI INTERNATIONALInventors: Leah M. Johnson, Ghaithan Al-Muntasheri, Ginger Denison Rothrock, Sarah Shepherd
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Publication number: 20210059940Abstract: The presently disclosed subject matter describes the use of fluorinated elastomer-based materials, in particular perfluoropolyether (PFPE)-based materials, in high-resolution soft or imprint lithographic applications, such as micro- and nanoscale replica molding, and the first nano-contact molding of organic materials to generate high fidelity features using an elastomeric mold. Accordingly, the presently disclosed subject matter describes a method for producing free-standing, isolated nanostructures of any shape using soft or imprint lithography technique.Type: ApplicationFiled: November 11, 2020Publication date: March 4, 2021Inventors: JOSEPH M. DESIMONE, JASON P. ROLLAND, BENJAMIN W. MAYNOR, LARKEN E. EULISS, GINGER DENISON ROTHROCK, ANSLEY E. DENNIS, EDWARD T. SAMULSKI, R. JUDE SAMULSKI
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Patent number: 10842748Abstract: The presently disclosed subject matter describes the use of fluorinated elastomer-based materials, in particular perfluoropolyether (PFPE)-based materials, in high-resolution soft or imprint lithographic applications, such as micro- and nanoscale replica molding, and the first nano-contact molding of organic materials to generate high fidelity features using an elastomeric mold. Accordingly, the presently disclosed subject matter describes a method for producing free-standing, isolated nanostructures of any shape using soft or imprint lithography technique.Type: GrantFiled: November 20, 2019Date of Patent: November 24, 2020Assignee: THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILLInventors: Joseph M. DeSimone, Jason P. Rolland, Benjamin W. Maynor, Larken E. Euliss, Ginger Denison Rothrock, Ansley E. Dennis, Edward T. Samulski, R. Jude Samulski
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Publication number: 20200231869Abstract: A polymer-encapsulated mineral acid solution and a method for forming the polymer-encapsulated mineral acid solution. Introducing a strong mineral acid solution to a monomer solution occurs such that a primary emulsion that is a water-in-oil type emulsion forms. Introducing the primary emulsion to a second aqueous solution forms a secondary emulsion that is a water-in-oil-in-water type double emulsion. The monomer in the secondary emulsion is cured such a polymerized shell forms that encapsulates the strong mineral acid solution and forms the capsule. The strong mineral acid solution has up to 30 wt. % strong mineral acid. A method of stimulating a hydrocarbon-bearing formation using the polymer-encapsulated mineral acid solution includes introducing a capsule suspension into a fissure in the hydrocarbon-bearing formation to be stimulated through a face in a well bore. The capsule is maintained within the fissure until the polymer shell degrades.Type: ApplicationFiled: November 5, 2019Publication date: July 23, 2020Inventors: Leah M. JOHNSON, Ghaithan AL-MUNTASHERI, Ginger Denison ROTHROCK, Sarah SHEPHERD
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Publication number: 20200231868Abstract: A polymer-encapsulated mineral acid solution and a method for forming the polymer-encapsulated mineral acid solution. Introducing a strong mineral acid solution to a monomer solution occurs such that a primary emulsion that is a water-in-oil type emulsion forms. Introducing the primary emulsion to a second aqueous solution forms a secondary emulsion that is a water-in-oil-in-water type double emulsion. The monomer in the secondary emulsion is cured such a polymerized shell forms that encapsulates the strong mineral acid solution and forms the capsule. The strong mineral acid solution has up to 30 wt. % strong mineral acid. A method of stimulating a hydrocarbon-bearing formation using the polymer-encapsulated mineral acid solution includes introducing a capsule suspension into a fissure in the hydrocarbon-bearing formation to be stimulated through a face in a well bore. The capsule is maintained within the fissure until the polymer shell degrades.Type: ApplicationFiled: November 5, 2019Publication date: July 23, 2020Inventors: Leah M. JOHNSON, Ghaithan AL-MUNTASHERI, Ginger Denison ROTHROCK, Sarah SHEPHERD
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Publication number: 20200165555Abstract: A three-dimensional cell growth containment article is described, which includes a molded body channelized by removal of sacrificial channelizing element(s) therefrom, so that the molded body contains one or more channel(s) therein, with a matrix material in at least one of such channel(s) that is supportive of three-dimensional cell growth in the matrix material. A method for making such articles is also described, in which a molded body is formed with one or more sacrificial channelizing element(s) therein, following which the sacrificial channelizing element(s) are removed. The three-dimensional cell growth containment articles of the present disclosure may be utilized in any applications in which there exists a need to reproducibly generate three-dimensional cellular structures, e.g.Type: ApplicationFiled: November 26, 2019Publication date: May 28, 2020Inventors: Leah Marie Johnson, Ninell Pollas Mortensen, Ginger Denison Rothrock, Nicolas D. Huffman
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Publication number: 20200078301Abstract: The presently disclosed subject matter describes the use of fluorinated elastomer-based materials, in particular perfluoropolyether (PFPE)-based materials, in high-resolution soft or imprint lithographic applications, such as micro- and nanoscale replica molding, and the first nano-contact molding of organic materials to generate high fidelity features using an elastomeric mold. Accordingly, the presently disclosed subject matter describes a method for producing free-standing, isolated nanostructures of any shape using soft or imprint lithography technique.Type: ApplicationFiled: November 20, 2019Publication date: March 12, 2020Inventors: JOSEPH M. DESIMONE, Jason P. Rolland, Benjamin W. Maynor, Larken E. Euliss, Ginger Denison Rothrock, Ansley E. Dennis, Edward T. Samulski, R. Jude Samulski
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Patent number: 10517824Abstract: The presently disclosed subject matter describes the use of fluorinated elastomer-based materials, in particular perfluoropolyether (PFPE)-based materials, in high-resolution soft or imprint lithographic applications, such as micro- and nanoscale replica molding, and the first nano-contact molding of organic materials to generate high fidelity features using an elastomeric mold. Accordingly, the presently disclosed subject matter describes a method for producing free-standing, isolated nanostructures of any shape using soft or imprint lithography technique.Type: GrantFiled: December 19, 2017Date of Patent: December 31, 2019Assignee: THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILLInventors: Joseph M. DeSimone, Jason P. Rolland, Benjamin W. Maynor, Larken E. Euliss, Ginger Denison Rothrock, Ansley E. Dennis, Edward T. Samulski, R. Jude Samulski
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Publication number: 20190375982Abstract: The present disclosure relates to delivery and release systems, such as core-shell particles. An exemplary composition according to the disclosure can include a degradable polymeric shell surrounding a core that includes a crosslinker, which can encompass a metal, such as chromium. The core-shell particles can be provided with a gel-forming polymer, such as a polyacrylamide, into a subterranean reservoir having conditions such that the shell of the core-shell polymer degrades, and the so-released metal is effective to at least partially crosslink the gel-forming polymer to form a gel. The so-formed gel can be effective to control water flow through the subterranean reservoir, such as in relation to a waterflood of the reservoir.Type: ApplicationFiled: August 21, 2019Publication date: December 12, 2019Inventors: Leah Marie Johnson, Ginger Denison Rothrock, Chasity Antoninette Norton, Nicolas Daniel Huffman, Jeffrey Brent Mecham
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Patent number: 10501687Abstract: A polymer-encapsulated mineral acid solution and a method for forming the polymer-encapsulated mineral acid solution. Introducing a strong mineral acid solution to a monomer solution occurs such that a primary emulsion that is a water-in-oil type emulsion forms. Introducing the primary emulsion to a second aqueous solution forms a secondary emulsion that is a water-in-oil-in-water type double emulsion. The monomer in the secondary emulsion is cured such a polymerized shell forms that encapsulates the strong mineral acid solution and forms the capsule. The strong mineral acid solution has up to 30 wt. % strong mineral acid. A method of stimulating a hydrocarbon-bearing formation using the polymer-encapsulated mineral acid solution includes introducing a capsule suspension into a fissure in the hydrocarbon-bearing formation to be stimulated through a face in a well bore. The capsule is maintained within the fissure until the polymer shell degrades.Type: GrantFiled: March 10, 2017Date of Patent: December 10, 2019Assignees: Aramco Services Company, RTI InternationalInventors: Leah M. Johnson, Ghaithan Al-Muntasheri, Ginger Denison Rothrock, Sarah Sheperd