2022 Patent Announcements

2022 Patents

Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,535,745 entitled, "Biobased Additive for Thermoplastic Polyesters," on December 27, 2022 to Nick Najafi Chaloupli, Marianna Kontopoulou, Praphulla, and Heather Simmons. The patent relates to a biobased additive that is both a nucleating and a reinforcing agent when added to thermoplastic polyester (e.g., biopolyesters). A composite material, which is an additive-reinforced biopolyester, was prepared and improved thermo-mechanical properties were quantified. This composite material is a new class of biobased material that offers a sustainable, environmentally-friendly solution for packaging and other applications.

U.S. Patent No. 11,535,745 (PDF, 1.6 MB)

Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,522,510 entitled, "High-Output Current Transconductance Amplifier," on December 6, 2022 to Arthur Liraneto Torres Costa and Carlos Saavedra. The patent relates to a transconductance amplifier (TCA) implemented with high electron mobility transistors (HEMTs) in a push-pull amplifier output stage provides a voltage controlled constant high output current to loads ranging from 10 mΩ to 1 Ω with a bandwidth of 25 MHz.

U.S. Patent No. 11,522,510 (PDF, 663.7 KB)

Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,512,207 entitled, "Anti-smudge and Anti-graffiti Compositions," on November 29, 2022 to Heng Hu and Guojun Liu. The patent relates to polyurethane-based and epoxy-based coating compositions that provide coatings and adhesives that are clear, amphiphobic and durable. Both water and hexadecane readily slide off these surfaces without leaving a residue.

U.S. Patent No. 11,512,207 (PDF, 5 MB)

Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,498,853 entitled, "Water with Switchable Ionic Strength," on November 15, 2022 to R. Stephen Brown Philip Jessop, Sean Mercer and Tobias Robert. The patent relates to a method and system for reversibly converting water between an initial ionic strength and an increased ionic strength, using a switchable additive.

U.S. Patent No. 11,498,853 (PDF, 5.8 MB)

Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,492,366 entitled, "Platinum Compounds for Binding Guanine Quadruplexes," on November 8, 2022 to Jean-Louis Mergny, Caitlin Miron, and Anne Petitjean. The patent relates to compounds described and characterized that bind guanine quadruplexes of DNA or RNA. Binding data and inhibition of growth data of five cancer cell lines are presented.

U.S. Patent No. 11,492,366 (PDF, 2.7 MB)

Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,456,165 entitled, "Spatio-Temporal Localization for Mass Spectrometry Sample Analysis," on September 27, 2022 to Mark Asselin, Gabor Fichtinger, Martin Kaufman, and Tamas Ungi. The patent relates to a method for spatially localizing mass-spectrometry analysis of an analyte derived from an energy event, where an electrical device is used to deliver an energy event to a substrate, and the analyte produced is analyzed using mass spectrometry.

U.S. Patent No. 11,456,165 (PDF, 527.4 KB)

Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,451,139 entitled, "Three-Phase Single-Stage Soft-Switching AC-DC Converter with Power Factor Correction," on September 20, 2022 to Mojtaba Forouszesh, Yan-Fei Liu, and Xiang Zhou. The patent relates to high power factor, single stage power conversion, and soft switching of all switches, resulting in high conversion efficiency in a cost-effective single-stage three-phase structure. The converters have low output voltage ripple without a double line frequency component, which allows non-electrolytic capacitor implementation.

U.S. Patent No. 11,451,139 (PDF, 1.1 MB)

Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,396,241 entitled, "Power Converter Controlled Capacitor Circuits and Methods," on July 26, 2022 to Yan-Fei Liu. The patent relates to a series circuit which includes a capacitor connected in series with output terminals of a power converter. The power converter provides an auxiliary voltage and a controller controls the auxiliary voltage according to a selected function, such that the series circuit behaves as a capacitor, an inductor, or an impedance, based on the selected function.

U.S. Patent No. 11,396,241 (PDF, 1.6 MB)

Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,394,307 entitled, "Resonant Power Converters and Control Methods for Wide Input and Output Voltage Ranges," on July 19, 2022 to Yang Chen and Yan-Fei Liu. The patent relates to resonant converters with wide voltage gain ranges achieved by controlling at least one of the primary side resonant circuit and the secondary side rectifier circuit. A switch is included in at least one of the primary or secondary sides, and control of the switch according to a selected mode determines an output voltage of the resonant converter.

U.S. Patent No. 11,394,307 (PDF, 2.5 MB)

Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,383,266 entitled, "Carbene Functionalized Composite Materials," on July 12, 2022 to Cathy Crudden, Iraklii Ebralidze, J. Hugh Horton, Christene Smith, and Olena Zenkina. The patent relates to the stable, carbene-functionalized composite materials, and methods and uses thereof. 

U.S. Patent No. 11,383,266 (PDF, 4.3 MB)

Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,369,594 entitled, "Cytotoxic Actin-Targeting Compounds," on June 28, 2022 to Madhu Aeluri, John Allingham, Andrew Craig, Andrew Evans, and Rebecca Grange. The patent relates to a class of compounds useful in pharmaceutical compositions and methods for treating or preventing cancer. 

U.S. Patent No. 11,369,594 (PDF, 4.3 MB)

Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,364,220 entitled, "Compounds and Methods for Inhibiting CYP26 Enzymes," on June 21, 2022 to Johnathan Board, Donald Cameron, Ashishkumar Maheta, Martin Petkovich, Toni Rantanen, and Suneel Singh. The patent relates to compounds that are inhibitors of retinoic add inducible P450 (CYP26) enzymes, and are useful for treating diseases that are responsive to retinoids. 

U.S. Patent No. 11,364,220 (PDF, 1.7 MB)

Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,358,933 entitled, "Compounds and Methods for Inhibiting CYP26 Enzymes," on June 14, 2022 to Donald Cameron, Martin Petkovich, and Uttam Saha. The patent relates to compounds that are inhibitors of retinoic acid inducible P450 (CYP26) enzymes. 

U.S. Patent No. 11,358,933 (PDF, 1.4 MB)

Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,349,385 entitled, "High Voltage Start-up Apparatus for Switching Power Supplies," on May 31, 2022 to Yang Chen and Yan-Fei Liu. The patent relates to a start-up circuit for a power converter that includes a charging circuit that uses a DC bus voltage of the power converter to generate a charging current to charge an energy storage device to a selected voltage and an auxiliary power output circuit including a transformer primary side auxiliary winding.

U.S. Patent No. 11,349,385 (PDF, 628.2 KB)

Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,344,246 entitled, "Long QT Syndrome Diagnosis and Classification," on May 31, 2022 to Habib Alah Hajimolahoseini, Javad Hashemi, and Damian Redfearn. The patent relates to a method for detecting long QT syndrome in a subject comprises obtaining data corresponding to an electrocardiogram (ECG) signal of the subject, identifying a set of features in the data based on selected inflection points of the ECG signal, using the set of features to categorize segments of the ECG signal, and using the categorized segments of the ECG signal and the inflection points to classify the ECG signal as normal or as long QT syndrome.

U.S. Patent No. 11,344,246 (PDF, 900.4 KB)

Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,317,264 entitled, "Sensor and System for Monitoring Dispenser Levels, Traffic Flow, and Staff Location," on April 26, 2022 to James-Andrew Cole MacDonald. The patent relates to an electronic material sensor for a container, such as a dispenser for paper or liquid materials, or a waste receptacle, in a facility such as a restroom. The system sends notifications to cleaning and maintenance staff when the materials need to be replenished and receptacles need to be emptied, and the system may be used by managers to schedule cleaning according to traffic and location of staff. 

U.S. Patent No. 11,317,264 (PDF, 1.3 MB)

March 29, 2022

Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,284,826 entitled, “Methods for Identifying Wave Break During Atrial Fibrillation,” on March 29, 2022 to Mohammad Hassan Shariat and Damian Redfearn. The patent relates to the study methods of intracardiac electrograms during atrial fibrillation which provides clinically significant information that can be used in ablation therapy.

U.S. Patent No. 11,284,826 (PDF, 2.2 MB)

February 1, 2022

Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,237,112 entitled, “Reconfigurable surface enhanced raman spectroscopy device and method therefor,” on February 1, 2022 to Hannah Bacon, Aristides Docoslis, and Carlos Escobedo. The patent related to a surface enhanced Raman spectroscopy (SERS) device, which comprises of a non- electrically conducive substrate, at least two microelectrodes disposed on the substrate in a spaced relationship such that a detection site is formed along the edges of the microelectrodes and a nanoparticle structure comprising a plurality of metallic nanoparticles disposed in the detection site.

U.S. Patent No. 11,237,112 (PDF, 2.1 MB)

February 1, 2022

Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,236,250 entitled “Switchable water-based paint or coating compositions”, on February 1, 2022, to Rui Resendes, Philip G. Jessop, Michael F. Cunningham, Bhanu Prakash Mudraboyina, Adam Michael Osvald, Timothy James Clark, Brian Miriampillai, Yun Yang, Amy Marie Holland, and Charles Howard Honeyman. According to the patent, the applications provides switchable, homogeneous paint composition and methods of painting and/or forming films or coatings using the composition.

U.S. Patent No. 11,236,250 (PDF, 4.5 MB)

January 25, 2022

Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,229,629 entitled, “Inhbitors of mitochondrial fission,” on January 25, 2022 to Danchen Wu, Michael Wells, and Stephen Archer. This patent relates to pharmaceutical compositions that include inhibitors of mitochondrial fission for the treatment and/or mitigation of cancer, pulmonary arterial hypertension, cardioprotection, stroke, coronary heart disease, neurological disorder, a neurodegenerative disease, Parkinsonism, Huntington’s Chorea, Alzheimer’s disease, diabetic cardiomyopathy, fatty liver diseases, non-alcoholic fatty liver diseases, or alcoholic-related liver disease.

U.S. Patent No. 11,229,629 (PDF, 1.6 MB)

January 18, 2022

Queen’s Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 11,226,201 entitled, “Automated mobile geotechnical mapping,” on January 18, 2022 to Marc Gallant and Joshua Marshall. The patent relates to the apparatus and methods for generating a representation of a physical environment comprising of a mobile sensor platform, which includes sensors that output sensor signals relating to parameters such as range, gravity, direction of Earth’s magnetic field, and angular velocity. 

U.S. Patent No. 11,226,201 (PDF, 2 MB)