Patents Assigned to Polyvalor, Limited Partnership
  • Patent number: 11987700
    Abstract: The present application relates to polymer compositions that provide barrier properties to oxygen, water vapor and/or hydrocarbons, to polymer film or sheet comprising the polymer composition and to their use in the manufacture or preparation of plastic material and/or plastic packaging. The present application also relates to a method of reducing oxygen water vapor and/or hydrocarbons permeability in plastic material and/or plastic packaging.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: May 21, 2024
    Assignee: POLYVALOR, LIMITED PARTNERSHIP
    Inventors: Ebrahim Jalali Dil, Abdellah Ajji
  • Publication number: 20240158708
    Abstract: There is provided a natural gas refining unit and a method for converting natural gas into a refined product at a battery site of an oil production facility. The refining unit comprises an optional vapor-liquid separator configured to separate an oil-water emulsion from a pipeline of the battery site into a liquid phase and a gas phase comprising natural gas, and a reactor, or a plurality of reactors connected in series, configured to convert natural gas from the vapor-liquid separator or, when the vapor-liquid separator is absent, from a treater of the battery site into the refined product. The method comprises the steps of collecting the natural gas at the battery site and feeding the natural gas to a natural gas refining unit.
    Type: Application
    Filed: March 15, 2022
    Publication date: May 16, 2024
    Applicant: POLYVALOR, LIMITED PARTNERSHIP
    Inventors: Gregory PATIENCE, Federico GALLI
  • Patent number: 11982676
    Abstract: A fluorescent probe having a capsule of nanometric size and an aggregate of fluorogenic molecules coupled to the capsule is provided. The aggregate emits a fluorescent signal at one or more wavelengths within the fluorescence spectral range when the probe is illuminated by an excitation light beam at one or more wavelengths within the excitation spectral range. Preferably, the fluorescent spectral range is in the near-infrared region of the spectrum. In some embodiments, the capsule is a boron nitride (BN) nanotube and the aggregate comprise 3,6-Bis[2,2?]bithiophenyl-5-yl-2,5-di-n-octylpyrrolo[3,4-c]pyrrole-1,4-dione as fluorogenic molecules. In some embodiments, the 3,6-Bis[2,2?]bithiophenyl-5-yl-2,5-di-n-octylpyrrolo[3,4-c]pyrrole-1,4-dione fluorogenic molecules are in a J-aggregation state.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: May 14, 2024
    Assignees: VALORISATION-RECHERCHE, LIMITED PARTNERSHIP, POLYVALOR, LIMITED PARTNERSHIP, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Richard Martel, Étienne Gaufrès, Charlotte Allard
  • Publication number: 20240066497
    Abstract: The present application relates to nanopourous material. More specifically, the present application relates to nanoporous carbonaceous material for water adsorption, process for their preparation and uses thereof. The present application includes a nanoporous carbonaceous material comprising at least one pyrolyzed an organic compound-formaldehyde resin, which may be further functionalized.
    Type: Application
    Filed: February 28, 2022
    Publication date: February 29, 2024
    Applicant: POLYVALOR, LIMITED PARTNERSHIP
    Inventors: Ulrich LEGRAND, Jason Robert TAVARES, Richard BOUDREAULT
  • Patent number: 11885052
    Abstract: A carrier for supporting a yarn to be used by a braiding machine, has: a spool carrying the yarn; a motor drivingly engaged to the spool; at least one sensor for producing data about a condition of the yarn in the spool; and a controller operatively connected to the motor and to the at least one sensor, the controller having a processor and a computer-readable medium operatively connected to the processor and having instructions stored thereon executable by the processor for: receiving said data from the at least one sensor; determining operation parameters of the motor based on the received data; and operating the motor per the determined operation parameters to create the desired tension in the yarn.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: January 30, 2024
    Assignee: POLYVALOR, LIMITED PARTNERSHIP
    Inventors: Louis Laberge Lebel, Pascal Assi, Cristian Stefan Talos, Guillaume Villeneuve, Olivier Chabot, Philippe Bousquet, Vincent Delisle
  • Patent number: 11713388
    Abstract: A composition of matter having oxygen scavenging properties comprises a blend of a base polymer, a butadiene polymer, and titanium dioxide in an amount sufficient to catalyze reaction of oxygen with the butadiene polymer. In further aspects, methods for making the compositions herein and packaging film structures comprising the compositions herein, and packaging articles formed of the same, are also provided.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: August 1, 2023
    Assignee: POLYVALOR, LIMITED PARTNERSHIP
    Inventors: Zahra Kordjazi, Abdellah Ajji
  • Publication number: 20230018956
    Abstract: A method for assessing a cancer status of biological tissue includes the steps of: obtaining a Raman spectrum indicating a Raman spectroscopy response of the biological tissue, the Raman spectrum captured using a fiber-optic probe of a fiber-optic Raman spectroscopy system; inputting the Raman spectrum into a boosted tree classification algorithm of a computer program, and using the boosted tree classification algorithm for comparing, in real-time, the captured Raman spectrum to reference data and assessing the cancer status of the biological tissue based on said comparison, the reference data being previously determined based on a set of reference Raman spectra indicating Raman spectroscopy responses of reference biological tissues wherein each of the reference biological tissues is associated with a known cancer status; and generating a real-time output indicating the assessed cancer status of the biological tissue,
    Type: Application
    Filed: July 15, 2022
    Publication date: January 19, 2023
    Applicants: POLYVALOR, LIMITED PARTNERSHIP, THE ROYAL INSTITUTION FOR THE ADVANCEMENT OF LEARNING/MCGILL UNIVERSITY
    Inventors: Frédéric LEBLOND, Kevin PETRECCA, Michael JERMYN
  • Patent number: 11541403
    Abstract: A system and method of fluid delivery for providing a surface fluid pattern. The system includes a fluid delivery head for fluid flow therethrough. The fluid delivery head includes a fluid delivery surface having surface openings defined therein and arranged across the fluid delivery surface as a two-dimensional display. Some of the surface openings are grouped as a surface opening unit. The surface opening unit includes at least one aspiration opening through which fluid can be provided to the fluid delivery surface and at least one injection opening through which fluid can be moved away from the fluid delivery surface. The surface opening unit includes at least three surface openings positioned as a two-dimensional display and outwardly of at least one other surface opening.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: January 3, 2023
    Assignee: POLYVALOR, LIMITED PARTNERSHIP
    Inventors: Thomas Gervais, Pierre-Alexandre Goyette, Etienne Boulais
  • Patent number: 11513041
    Abstract: Methods and systems for preparing a medium-embedded-sample-block. The method comprises obtaining a frame having a plurality of sample wells arranged as a two-dimensional array, the frame having an open face for accessing the sample in the sample wells; placing embedding medium in the sample wells such that the embedding medium immerses the samples in the plurality of sample wells; allowing the embedding medium to form a block of embedding medium including the samples embedded therein; and separating the frame from the block of embedding medium to obtain the medium-embedded-sample-block.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: November 29, 2022
    Assignees: POLYVALOR, LIMITED PARTNERSHIP, VAL-CHUM, LIMITED PARTNERSHIP
    Inventors: Thomas Gervais, Anne-Marie Mes-Masson, Kayla Simeone, Robin Guay-Lord, Benjamin Peant
  • Publication number: 20220234313
    Abstract: A system for pultruding a beam comprises a pulling mechanism continuously pulling on a preform of yarns including a thermoplastic matrix and fibers, the pulling mechanism being downstream of the system. A pultrusion die has a tapering channel portion heated such that the preform is at a desired low viscosity temperature for resin in the thermoplastic matrix to impregnate the fibers. A cooling tube is at a downstream end of the pultrusion die. A cooling module is spaced from the pultrusion die by the cooling tube, the cooling module to cool the cooling tube before the preform reaches the pulling mechanism, wherein the cooling tube defines a cooling channel. A pultrusion mandrel may be present.
    Type: Application
    Filed: May 28, 2020
    Publication date: July 28, 2022
    Applicant: POLYVALOR, LIMITED PARTNERSHIP
    Inventors: Louis LABERGE LEBEL, Nawaf Abdulrahman ALSINANI
  • Patent number: 11371992
    Abstract: An assay device is provided for use in determining the presence of a target analyte in a sample. The assay device comprises a solid platform comprising a fibrous mat, the solid platform impregnated with a first FRET chromophore. An antibody-FRET chromophore conjugate is immobilized on a surface of the solid platform, wherein the antibody-FRET chromophore conjugate comprises an antibody affixed to a second FRET chromophore. The first FRET chromophore and the second FRET chromophore are selected to provide an energy transfer from one to another when located within a Förster distance with respect to each other, thereby forming a FRET donor-acceptor chromophore pair. In a further aspect, a method of detecting a target analyte in a sample is provided. In yet a further aspect, packaging sheet materials and packaging articles employing the assay device under certain conditions are provided.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: June 28, 2022
    Assignee: POLYVALOR, LIMITED PARTNERSHIP
    Inventors: Bentolhoda Heli, Abdellah Ajji
  • Patent number: 11309786
    Abstract: Herein provided is a controller for a current inverter. The controller comprises a reference generator configured for obtaining source voltage and current values from an electrical source, generating a voltage error function based on source and reference voltages, and generating a current error function based on source and reference currents. The controller also comprises an output controller for receiving from the reference generator the voltage and current error functions and configured for producing at least one control signal based on the voltage and current error functions. The controller also comprises a state feedback controller configured for: adjusting the at least one control signal, based on parameters of the electrical source, to produce at least one adjusted control signal, and outputting the at least one adjusted control signal to the current inverter.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: April 19, 2022
    Assignees: POLYVALOR, LIMITED PARTNERSHIP
    Inventors: Houshang Karimi, Masoud Karimi-Ghartemani, Keyhan Sheshyekani
  • Patent number: 11280965
    Abstract: There is described a multi-clad optical fiber for propagating an optical signal having at least a single mode. The multi-clad optical fiber generally has a fiber core, an inner cladding surrounding the fiber core, and at least an outer cladding surrounding the inner cladding, the multi-clad optical fiber having at least a taper portion extending along a longitudinal dimension z, the taper portion having a radial dimension progressively decreasing at a normalized slope exceeding an adiabaticity criterion of a conventional single-clad optical fiber propagating at least the single-mode across its single-mode core.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: March 22, 2022
    Assignee: POLYVALOR, LIMITED PARTNERSHIP
    Inventors: Simon Bolduc Beaudoin, Nicolas Godbout
  • Patent number: 11249248
    Abstract: There is described a method of fabricating an optical fiber device, the method comprising: positioning longitudinal portions of a plurality of optical fibers alongside each other in a given geometrical relationship, depositing liquid coating material around the longitudinal portions of the plurality of optical fibers; and the liquid coating material setting up around the longitudinal portions of the plurality of optical fibers thereby maintaining said given geometrical relationship along the longitudinal portions.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: February 15, 2022
    Assignee: POLYVALOR, LIMITED PARTNERSHIP
    Inventors: Raman Kashyap, Sébastien Loranger, Frédéric Monet, Samuel Kadoury, Pierre Lorre
  • Patent number: 10952803
    Abstract: A method for navigating therapeutic, diagnostic or imaging agents in a vascular network or body cavity is introduced. The method is characterized by high directional gradients and a high magnetic field strength. The latter is used to saturate the magnetization of magnetic therapeutic agents such that when combined with high directional gradients, improved navigation of the magnetic therapeutic agents can be provided at various depths within a patient's body.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: March 23, 2021
    Assignee: POLYVALOR, LIMITED PARTNERSHIP
    Inventor: Sylvain Martel
  • Patent number: 10913220
    Abstract: A system for pultruding a beam, such as a pultruded beam of natural fibers, comprises a pulling mechanism continuously pulling on a preform of yarns including a thermoplastic matrix and fibers, the pulling mechanism being downstream of the system. A sequence is provided in the system and has a pre-heating module to pre-heat the preform. A first die has a tapering channel portion heated such that the preform reaches a desired low viscosity temperature for resin in the thermoplastic matrix to impregnate the fibers. A vacuum module has a vacuum cavity to remove air from the preform exiting the first die. A second die has a tapering channel portion heated such that the preform is at the desired low viscosity temperature for resin in the thermoplastic matrix to further impregnate the fibers. A cooling module to cool the beam before the beam reaches the pulling mechanism. A system for pultruding beams is also provided.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: February 9, 2021
    Assignee: POLYVALOR, LIMITED PARTNERSHIP
    Inventors: Louis Laberge Lebel, Philippe Monnot, Arnold Oswald, Felix Lapointe
  • Patent number: 10647057
    Abstract: An ink for solvent-cast 3D printing is provided. The ink comprises a solution or gel of a polymer in a volatile solvent, and carbon nanotubes dispersed in the solution or gel. In the ink, the carbon nanotubes are present in a carbon nanotubes:polymer weight ratio between about 20:80 and about 40:60, and the polymer and carbon nanotubes total concentration is between about 20 and about 35 wt %, based on the total weight of the ink. There is also provided a 3D printer ink cartridge comprising the ink; a method of manufacturing the ink; a method of manufacturing a solvent-cast 3D printed material using the ink, a solvent-cast 3D printed material as well as uses thereof.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: May 12, 2020
    Assignee: POLYVALOR, LIMITED PARTNERSHIP
    Inventors: Daniel Therriault, Kambiz Chizari
  • Patent number: 10446308
    Abstract: Applicants have discovered a novel apparatus and method to aggregate and displace a plurality of magneto-responsive entities (steerable self-propelled entities or SSPEs) in three dimensions using time-multiplexing. The apparatus for controlling aggregation of SSPEs in a body comprises at least three sets of magnetic field sources arranged in three axes for generating a controlled magnetic field and a controller connected to at least one of said magnetic field sources to create a three dimensional convergence point. The method for aggregating the entities can comprise using a first set and a second set of said magnetic field sources to generate opposed magnetic field gradients in each said set to cause aggregation of said magneto-responsive entities in two axes and wherein the controller is configured to reverse a direction of said magnetic field gradient in a third set of magnetic field sources in a third axis according to a first predetermined program.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: October 15, 2019
    Assignee: POLYVALOR, LIMITED PARTNERSHIP
    Inventors: Sylvain Martel, Ouajdi Felfoul
  • Patent number: 10432025
    Abstract: A power surface or chamber having nearly constant electromagnetic field distribution in 3D comprising at least one primary coil and one primary resonance array made of several coils connected in parallel for generating the electromagnetic field distribution; a single power driver circuit for activating the coils; and a secondary coil and an optional secondary resonance coil to recover the generated electromagnetic field and power up an electric device.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: October 1, 2019
    Assignees: Polyvalor, Limited Partnership, Université Laval
    Inventors: Seyedabdollah Mirbozorgi, Benoit Gosselin, Mohamad Sawan
  • Publication number: 20190193346
    Abstract: A system for pultruding a beam, such as a pultruded beam of natural fibers, comprises a pulling mechanism continuously pulling on a preform of yarns including a thermoplastic matrix and fibers, the pulling mechanism being downstream of the system. A sequence is provided in the system and has a pre-heating module to pre-heat the preform. A first die has a tapering channel portion heated such that the preform reaches a desired low viscosity temperature for resin in the thermoplastic matrix to impregnate the fibers. A vacuum module has a vacuum cavity to remove air from the preform exiting the first die. A second die has a tapering channel portion heated such that the preform is at the desired low viscosity temperature for resin in the thermoplastic matrix to further impregnate the fibers. A cooling module to cool the beam before the beam reaches the pulling mechanism. A system for pultruding beams is also provided.
    Type: Application
    Filed: June 22, 2017
    Publication date: June 27, 2019
    Applicant: POLYVALOR, LIMITED PARTNERSHIP
    Inventors: Louis LABERGE LEBEL, Philippe MONNOT, Arnold OSWALD, Felix LAPOINTE