Patents by Inventor Peter Kofinas

Peter Kofinas 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: 20240021873
    Abstract: The present invention is directed to aqueous solid polymer electrolytes that comprise a lithium salt and battery cells comprising the same. The present invention is also directed to methods of making the electrolytes and methods of using the electrolytes in batteries and other electrochemical technologies.
    Type: Application
    Filed: April 6, 2023
    Publication date: January 18, 2024
    Applicants: High Performance Air Stable Solid Polymer Electrolyte, The United States of America as Represented by the Secretary of the Army
    Inventors: Matthew D. WIDSTROM, Peter KOFINAS, Arthur V. CRESCE, Kang XU
  • Publication number: 20230310695
    Abstract: Provided are compositions and methods that involve viscoelastic poly(lactide-co-caprolactone) (PLCL) mixtures for use in wound healing. The PLCL mixtures provide an improved anti-fibrotic yet tissue-adhesive polymer sealant. The PLCL mixtures can be applied to a variety of wounds arising from surgical and non-surgical tissue damage.
    Type: Application
    Filed: March 30, 2023
    Publication date: October 5, 2023
    Inventors: Metecan ERDI, Peter KOFINAS, Omar B. AYYUB, Anthony SANDLER, Michele SARUWATARI
  • Patent number: 11631892
    Abstract: The present invention is directed to aqueous solid polymer electrolytes that comprise a lithium salt and battery cells comprising the same. The present invention is also directed to methods of making the electrolytes and methods of using the electrolytes in batteries and other electrochemical technologies.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: April 18, 2023
    Assignees: University of Maryland, College Park, The United States of America as Represented by the Secretary of the Army
    Inventors: Matthew D. Widstrom, Peter Kofinas, Arthur V. Cresce, Kang Xu
  • Publication number: 20220160929
    Abstract: The present disclosure relates to a biocompatible composition comprising a solution of low molecular weight polymer and high molecular weight polymer. The present disclosure also relates to biocompatible compositions comprising poly(lactic-co-glycolic acid) (PLGA) and poly(ethylene glycol) (PEG), and additionally including a suspension of silica particles and/or a therapeutic agent. The present disclosure is also directed to biocompatible polymer fiber constructs formed from the disclosed compositions, methods of fabrication thereof, and uses of such constructs and compositions.
    Type: Application
    Filed: March 10, 2020
    Publication date: May 26, 2022
    Applicants: University of Maryland, College Park, Children's National Medical Center
    Inventors: John Daristotle, Shadden Zaki, Peter Kofinas, Anthony Sandler, Lung Lau, Leopoldo Torres
  • Patent number: 10620187
    Abstract: The present disclosure relates to a biosensor capable of measuring the total concentration of one or a plurality of ammonia or ammonium ions with the use of indophenol reagents in the presence of an ionomer. In some embodiments, the biosensor comprises a perfluorinated membrane that comprises an ionomer in contact with an alkali buffer in a vessel configured to receive a sample, such as whole blood. The disclosure also relates to a method of detecting or quantifying the ammonia or ammonium ion concentration in whole blood in a point of care bio sensor without reliance on gas chromatography or any measurement that takes more than about twenty minutes.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: April 14, 2020
    Assignees: University of Maryland, College Park, Children's National Medical Center
    Inventors: Omar Bilal Ayyub, Adam Michael Behrens, Peter Kofinas, Marshall Lynn Summar, Juan Manuel Cabrera-Luque, Gary Cunningham, Anton Simeonov, Juan Marugan
  • Patent number: 10591495
    Abstract: The present disclosure relates to a biosensor capable of measuring the total concentration of one or a plurality of ammonia or ammonium ions with the use of indophenol reagents in the presence of an ionomer. In some embodiments, the biosensor comprises a perflurinated membrane that comprises an ionomer in contact with an alkali buffer in a vessel configured to receive a sample, such as whole blood. The disclosure also relates to a method of detecting or quantifying the ammonia or ammonium ion concentration in whole blood in a point of care bio sensor without reliance on gas chromatography or any measurement that takes more than about twenty minutes.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: March 17, 2020
    Assignees: University of Maryland, College Park, Children's National Medical Center
    Inventors: Omar Bilal Ayyub, Adam Michael Behrens, Peter Kofinas, Marshall Lynn Summar, II, Juan Manuel Cabrera-Luque, Gary Cunningham
  • Publication number: 20200028210
    Abstract: The present invention is directed to aqueous solid polymer electrolytes that comprise a lithium salt and battery cells comprising the same. The present invention is also directed to methods of making the electrolytes and methods of using the electrolytes in batteries and other electrochemical technologies.
    Type: Application
    Filed: January 7, 2019
    Publication date: January 23, 2020
    Applicants: University of Maryland, College Park, The United States of America as Represented by the Secretary of the Army
    Inventors: Matthew D. WIDSTROM, Peter KOFINAS, Arthur V. CRESCE, Kang XU
  • Patent number: 10392646
    Abstract: The present invention relates to a biosensor capable of measuring the total concentration of one or a plurality of amino acids with the use of a reagentless system comprising an electrode modified by hydrogel that comprises at least one enzyme that oxidizes at least one substrate that is at least one amino acid. In some embodiments, the biosensor comprises a hydrogel comprising alginate. In some embodiments, the biosensor comprises use of a thermophilic bacterial metabolic enzyme immobilized or attached to the hydrogel.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: August 27, 2019
    Assignees: University of Maryland, College Park, Children's National Medical Center, The United States of America, as Represented by The Secretary, Department of Health and Human Services
    Inventors: Omar Bilal Ayyub, Adam Michael Behrens, Peter Kofinas, Marshall Lynn Summar, Juan Manuel Cabrera-Luque, Gary Cunningham, Anton Simeonov, Juan Marugan
  • Publication number: 20180284099
    Abstract: The present disclosure relates to a biosensor capable of measuring the total concentration of one or a plurality of ammonia or ammonium ions with the use of indophenol reagents in the presence of an ionomer. In some embodiments, the biosensor comprises a perflurinated membrane that comprises an ionomer in contact with an alkali buffer in a vessel configured to receive a sample, such as whole blood. The disclosure also relates to a method of detecting or quantifying the ammonia or ammonium ion concentration in whole blood in a point of care bio sensor without reliance on gas chromatography or any measurement that takes more than about twenty minutes.
    Type: Application
    Filed: March 23, 2018
    Publication date: October 4, 2018
    Applicants: University of Maryland, College Park, Children's National Medical Center, The United States Of America, As Represented By The Secretary, Dept. Of Health And Human Services
    Inventors: Omar Bilal Ayyub, Adam Michael Behrens, Peter Kofinas, Marshall Lynn Summar, Juan Manuel Cabrera-Luque, Gary Cunningham, Anton Simeonov, Juan Marugan
  • Publication number: 20180143210
    Abstract: The present disclosure relates to a biosensor capable of measuring the total concentration of one or a plurality of ammonia or ammonium ions with the use of indophenol reagents in the presence of an ionomer. In some embodiments, the biosensor comprises a perflurinated membrane that comprises an ionomer in contact with an alkali buffer in a vessel configured to receive a sample, such as whole blood. The disclosure also relates to a method of detecting or quantifying the ammonia or ammonium ion concentration in whole blood in a point of care bio sensor without reliance on gas chromatography or any measurement that takes more than about twenty minutes.
    Type: Application
    Filed: April 27, 2016
    Publication date: May 24, 2018
    Applicants: University of Maryland, College Park, CHILDREN'S NATIONAL MEDICAL CENTER
    Inventors: Omar Bilal Ayyub, Adam Michael Behrens, Peter Kofinas, Marshall Lynn Summar, II, Juan Manuel Cabrera-Luque, Gary Cunningham
  • Patent number: 9952199
    Abstract: The present disclosure relates to a bio-sensor capable of measuring the total concentration of one or a plurality of ammonia or ammonium ions with the use of indophenol reagents in the presence of an ionomer. In some embodiments, the biosensor comprises a perflurinated membrane that comprises an ionomer in contact with an alkaline buffer in a vessel configured to receive a sample, such as whole blood. The disclosure also relates to a method of detecting or quantifying the ammonia or ammonium ion concentration in whole blood in a point of care biosensor without reliance on gas chromatography or any measurement that takes more than about twenty minutes.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: April 24, 2018
    Assignees: University of Maryland, College Park, Children's National Medical Center, The United States of America, As Represented By The Secretary, Dept. Of Health And Human Services
    Inventors: Omar Bilal Ayyub, Adam Michael Behrens, Peter Kofinas, Marshall Lynn Summar, Juan Manuel Cabrera-Luque, Gary Cunningham, Anton Simeonov, Juan Marugan
  • Patent number: 9863886
    Abstract: A sensor system, and a method of detecting a target analyte, comprises a chemically functionalized block copolymer, and a target analyte. The block copolymer exhibits a color change in the visible spectrum upon exposure to the target analyte.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: January 9, 2018
    Assignees: University of Maryland, College Park, The United States of America as Represented by the Secretary of the Army
    Inventors: Peter Kofinas, Omar B. Ayyub, Jennifer W. Sekowski, Ta-I Yang
  • Patent number: 9775929
    Abstract: Compositions comprising biomedical polymers, and in particular unique blends of poly(lactic-co-glycolic acid) (PLGA) and poly(ethylene glycol) (PEG) are provided. Methods of forming polymer fibers using such compositions and solution blow spinning techniques are also provided, as well as methods of delivering the blow spun polymer fibers onto a surface (e.g., such as tissue for use as a surgical scaffold, sealant or tissue adhesive).
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: October 3, 2017
    Assignees: University of Maryland College Park, Children's National Medical Center
    Inventors: Adam Behrens, Peter Kofinas, Michael Sikorski, Anthony Sandler, Priya Srinivasan, Nora Lee
  • Publication number: 20170198329
    Abstract: The present disclosure relates to a biosensor capable of measuring the total concentration of one or a plurality of amino acids with the use of a reaction surface comprising one or a plurality of metabolic enzymes or functional fragments thereof, but wherein the reaction surface does not comprise an electrode or electrically conductive support. In some embodiments, the biosensor comprises use of a thermophilic bacterial metabolic enzyme immobilized or attached to the reaction surface.
    Type: Application
    Filed: April 17, 2015
    Publication date: July 13, 2017
    Applicant: University of Maryland, College Park
    Inventors: Omar Bilal AYYUB, Brian Theodore HELIGMAN, Peter KOFINAS, Marshall Lynn SUMMAR, Juan Manuel CABRERA-LUQUE, Gary Cunningham
  • Publication number: 20160231310
    Abstract: The present disclosure relates to a bio-sensor capable of measuring the total concentration of one or a plurality of ammonia or ammonium ions with the use of indophenol reagents in the presence of an ionomer. In some embodiments, the biosensor comprises a perflurinated membrane that comprises an ionomer in contact with an alkaline buffer in a vessel configured to receive a sample, such as whole blood. The disclosure also relates to a method of detecting or quantifying the ammonia or ammonium ion concentration in whole blood in a point of care biosensor without reliance on gas chromatography or any measurement that takes more than about twenty minutes.
    Type: Application
    Filed: September 2, 2014
    Publication date: August 11, 2016
    Inventors: Omar Bilal AYYUB, Adam Michael BEHRENS, Peter KOFINAS, Marshall Lynn SUMMAR, Juan Manuel CABRERA-LUQUE, Gary CUNNINGHAM, Anton SIMEONOV, Juan MARUGAN
  • Publication number: 20160168613
    Abstract: The present invention relates to a biosensor capable of measuring the total concentration of one or a plurality of amino acids with the use of a reagentless system comprising an electrode modified by hydrogel that comprises at least one enzyme that oxidizes at least one substrate that is at least one amino acid. In some embodiments, the biosensor comprises a hydrogel comprising alginate. In some embodiments, the biosensor comprises use of a thermophilic bacterial metabolic enzyme immobilized or attached to the hydrogel.
    Type: Application
    Filed: October 17, 2013
    Publication date: June 16, 2016
    Inventors: Omar Bilal Ayyub, Adam Michael Behrens, Peter Kofinas, Marshall Lynn Summar, Juan Manuel Cabrera-Luque, Gary Cunningham, Anton Simeonov, Juan Marugan
  • Patent number: 9252456
    Abstract: A flexible polymer solid electrolyte material useful in battery technology is described. The flexible solid electrolyte comprises a first block that has the ability to solvate alkali metal salts. The flexible solid electrolyte comprises a second block that has the ability to incorporate lithium ions within microphase separated spherical domains, wherein the lithium ions are from a secondary lithium source. The flexible solid electrolyte further comprises a second lithium salt.
    Type: Grant
    Filed: March 1, 2010
    Date of Patent: February 2, 2016
    Assignee: University of Maryland, College Park
    Inventors: Peter Kofinas, Ayan Ghosh
  • Publication number: 20160018337
    Abstract: A sensor system, and a method of detecting a target analyte, comprises a chemically functionalized block copolymer, and a target analyte. The block copolymer exhibits a color change in the visible spectrum upon exposure to the target analyte.
    Type: Application
    Filed: July 21, 2015
    Publication date: January 21, 2016
    Applicants: University of Maryland, College Park, The United States of America as Represented by the Secretary of the Army
    Inventors: Peter Kofinas, Omar B. Ayyub, Jennifer W. Sekowski, Ta-I Yang
  • Publication number: 20150290356
    Abstract: Compositions comprising biomedical polymers, and in particular unique blends of poly(lactic-co-glycolic acid) (PLGA) and poly(ethylene glycol) (PEG) are provided. Methods of forming polymer fibers using such compositions and solution blow spinning techniques are also provided, as well as methods of delivering the blow spun polymer fibers onto a surface (e.g., such as tissue for use as a surgical scaffold, sealant or tissue adhesive).
    Type: Application
    Filed: April 13, 2015
    Publication date: October 15, 2015
    Applicants: CHILDREN'S NATIONAL MEDICAL CENTER, UNIVERSITY OF MARYLAND, COLLEGE PARK
    Inventors: Adam Behrens, Peter Kofinas, Michael Sikorski, Anthony Sandler, Priya Srinivasan, Nora Lee
  • Patent number: 9115240
    Abstract: A sensor system, and a method of detecting a target analyte, comprises a chemically functionalized block copolymer, and a target analyte. The block copolymer exhibits a color change in the visible spectrum upon exposure to the target analyte.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: August 25, 2015
    Assignees: University of Maryland, College Park, The United States of America as Represented by the Secretary of the Army
    Inventors: Peter Kofinas, Omar B. Ayyub, Jennifer W. Sekowski, Ta-I Yang