Patents Assigned to SINTEF TTO AS
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Patent number: 11957793Abstract: The present invention provides a nanoparticle comprising a poly(alkyl cyanoacrylate) homopolymer, or copolymer, at least one active agent and an anionic and radical inhibitor, wherein the anionic and radical inhibitor is a compound having the following formula: wherein R1 is H; and R3, R4, R5, R6 and R7 are independently selected from the group consisting of —H, —OH, C1-C6 alkoxide, C1-C6 alkyl, halides, carboxylic acid, ketone or aldehyde; wherein the anionic and radical inhibitor is present in an amount of 0.001 to 15 wt %, as well as a process suitable for manufacture of the nanoparticle.Type: GrantFiled: August 23, 2019Date of Patent: April 16, 2024Assignee: SINTEF TTO ASInventors: Ruth Schmid, Peter Molesworth, Yrr Mørch, Einar Sulheim, Heidi Johnsen
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Publication number: 20240074983Abstract: The present invention relates generally to pharmaceutical formulations. Particularly, the present invention relates to a new delivery system for delivery of medical components to the lungs, and its utility in the fields of pharmaceutical formulation, drug delivery, medicine and diagnosis.Type: ApplicationFiled: March 27, 2023Publication date: March 7, 2024Applicant: SINTEF TTO ASInventors: Yrr Mørch, Einar Sulheim
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Patent number: 11867582Abstract: The invention relates to a solution for how to measure the strain in a washer mounted in a bolt assembly comprising a bolt, nut and washer. The invention concerns a strain measuring washer assembly comprising a plate shaped washer body, sound emitting means and sound detecting means, and a method for using such.Type: GrantFiled: September 5, 2019Date of Patent: January 9, 2024Assignee: SINTEF TTO ASInventors: Sigbjørn Kolberg, Magnus Hjelstuen, Tor Arne Reinen
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Patent number: 11809654Abstract: An input device comprises a plurality of optical vibration sensors mounted in a common housing. Each optical vibration sensor comprises a diffractive optical element; a light source arranged to illuminate the diffractive optical element such that a first portion of light passes through the diffractive optical element and a second portion of light is reflected from the diffractive optical element; and a photo detector arranged to detect an interference pattern generated by said first and second portions of light. The optical vibration sensor is configured so that in use, after the first portion of light passes through the diffractive optical element, the first portion of light is reflected from a reflective surface onto the photo detector. The input device is placed in contact with a surface of a solid body, and an object is brought into physical contact with the surface of the solid body, thereby causing vibrations in the solid body.Type: GrantFiled: December 1, 2022Date of Patent: November 7, 2023Assignee: SINTEF TTO ASInventors: Tobias Gulden Dahl, Magnus Christian Bjerkeng, Andreas Vogl, Odd Kristen Østem Pettersen
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Patent number: 11806330Abstract: Described herein is an active ingredient encapsulated into poly (alkyl cyanoacrylate) nanoparticles and their use in anti-cancer treatments by intraperitoneal administration.Type: GrantFiled: March 27, 2019Date of Patent: November 7, 2023Assignees: SINTEF TTO AS, OSLO UNIVERSITETSSYKEHUS HFInventors: Yrr Morch, Einar Sulheim, Kjersti Flatmark, Karianne Giller Fleten, Per Stenstad, Heidi Johnsen, Ruth Schmid
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Patent number: 11728686Abstract: Disclosed is a method of operating an array of receiver devices as a phased array. The receiver devices are in a fixed mutual relationship within a zone and each receiver device comprises a photovoltaic element. The method involves receiving a signal from within the zone at a plurality of the receiver devices to generate a plurality of received signals and processing the received signals using at least one phase difference therebetween. The method also involves directing a beam of light from a unit located within the zone to the photovoltaic elements, thereby providing power to said receiver devices. The invention extends to an array of transmitter devices and to an array of both transmitter and receiver devices.Type: GrantFiled: September 30, 2020Date of Patent: August 15, 2023Assignee: SINTEF TTO ASInventors: Jostein Thorstensen, Tobias Gulden Dahl
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Patent number: 11679356Abstract: The present invention relates to a CO2 selective gas separation membrane and a method for preparing the gas separation membrane and the use thereof. The CO2 selective gas separation membrane comprises a gas permeable or porous support layer; and at least one gas permeable polymer layer, which is surface modified with polymer chains having CO2 philic groups, wherein the gas permeable polymer layer has a spatially controlled distribution of the CO2 philic groups on the surface thereof. The method of preparing the CO2 selective gas separation membrane, comprises the steps of: depositing at least one gas permeable polymer layer on a porous or gas permeable support layer to form a dense membrane, and surface modifying the dense membrane with polymer chains having CO2 philic groups, to obtain spatially controlled distribution of the CO2 philic groups on the surface thereof.Type: GrantFiled: April 30, 2019Date of Patent: June 20, 2023Assignee: SINTEF TTO ASInventors: Marius Sandru, Eugenia Mariana Sandru, Per Martin Stenstad
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Patent number: 11633362Abstract: The present invention relates generally to pharmaceutical formulations. Particularly, the present invention relates to a new delivery system for delivery of medical components to the lungs, and its utility in the fields of pharmaceutical formulation, drug delivery, medicine and diagnosis.Type: GrantFiled: September 5, 2018Date of Patent: April 25, 2023Assignee: SINTEF TTO ASInventors: Yrr Mørch, Einar Sulheim
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Publication number: 20230072722Abstract: An apparatus comprising a first substrate comprising a nanostructured surface, thereby forming an optical metasurface; a mirror formed on a second substrate; and a mechanism arranged to move the first and second substrates relative to one another. The mechanism alters a separation between the first and second substrates between a first separation distance and at least a second separation distance. At the first separation distance the optical metasurface performs a first manipulation of incident light and at the second separation distance the optical metasurface does not perform the first manipulation of incident light. An optical system and a method are also described.Type: ApplicationFiled: September 7, 2021Publication date: March 9, 2023Applicants: Sintef TTO AS, University of Southern DenmarkInventors: Sergey I. Bozhevolnyi, Chao Meng, Fei Ding, Christopher Andrew Dirdal, Jo Gjessing, Paul Conrad Vaagen Thrane
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Patent number: 11550419Abstract: An input device comprises a plurality of optical vibration sensors mounted in a common housing. Each optical vibration sensor comprises a diffractive optical element; a light source arranged to illuminate the diffractive optical element such that a first portion of light passes through the diffractive optical element and a second portion of light is reflected from the diffractive optical element; and a photo detector arranged to detect an interference pattern generated by said first and second portions of light. The optical vibration sensor is configured so that in use, after the first portion of light passes through the diffractive optical element, the first portion of light is reflected from a reflective surface onto the photo detector. The input device is placed in contact with a surface of a solid body, and an object is brought into physical contact with the surface of the solid body, thereby causing vibrations in the solid body.Type: GrantFiled: February 16, 2022Date of Patent: January 10, 2023Assignee: SINTEF TTO ASInventors: Tobias Gulden Dahl, Magnus Christian Bjerkeng, Andreas Vogl, Odd Kristen Østern Pettersen
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Patent number: 11457829Abstract: A sensor assembly for in-vivo monitoring of a body fluid or tissue (F) comprises: a pressure sensor element, comprising a micro-electromechanical system (MEMS) and arranged to detect a pressure of the body fluid or tissue (F) in use; and a shield, which generally surrounds the pressure sensor element such that the pressure sensor element is within an interior volume of the shield, in order to protect and to prevent distortion of the pressure sensor element in use. The pressure sensor element comprises a biocompatible thin film layer, for resisting corrosion and/or fouling of a surface of the pressure sensor element by the body fluid or tissue (F) or biological matter thereof. The pressure sensor element and the shield are in fixed relationship with each other.Type: GrantFiled: October 27, 2016Date of Patent: October 4, 2022Assignee: SINTEF TTO ASInventors: Lars Geir Whist Tvedt, Joar Martin Ostby, Thomas Glott, Ingelin Clausen
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Patent number: 11353523Abstract: A field detector (2) comprises a field-responsive element (10) which undergoes a dimensional change when exposed to a predetermined field; and an interferometric read-out arrangement arranged to detect the dimensional change of the field-responsive element. A light source (4) is arranged to provide a measurement beam reflected from the field-responsive element (10) and a reference beam not reflected from the field-responsive element (10), an optical detector (6) being disposed so as to detect at least part of an interference pattern produced by the measurement beam and the reference beam. The field-responsive element (10) has a shape comprising a curved surface and is constrained at least one edge (12) thereof such that the dimensional change causes the curved surface to be displaced in a direction which changes an optical path length of the measurement beam relative to the reference beam, thereby changing the interference pattern detected by said optical detector.Type: GrantFiled: October 10, 2018Date of Patent: June 7, 2022Assignee: SINTEF TTO ASInventors: Sverre Knudsen, Matthieu Lacolle, Øyvind Nistad Stamnes, Sigbjørn Kolberg, Zeljko Skokic, Magnus Blihovde Hjelstuen, Jo Gjessing, Andreas Vogl, Ib-Rune Johansen
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Publication number: 20220160645Abstract: The invention relates to a nanoparticle comprising copolymeric or homopolymeric compounds which comprise cyanoacrylate subunits according to formula 2A, wherein each R1 is independently selected from the group consisting of 2-ethylhexyl, 2-phenylethyl, neopentyl, 1-pentyl, 2-pentyl, 3-pentyl, 3,3-dimethyl-1-butyl, 3-methylbutyl, -heptyl, 2-heptyl, and 3-heptyl; and wherein the nanoparticle further comprises an active agent. The invention also provides compositions comprising the nanoparticles, and the nanoparticles for use in therapy or diagnosis, such as in the treatment of cancer or an infection, or for use in diagnostic imaging.Type: ApplicationFiled: February 26, 2020Publication date: May 26, 2022Applicant: SINTEF TTO ASInventors: Ruth Schmid, Peter Molesworth, Yrr Mørch
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Patent number: 11313966Abstract: An unmanned aerial vehicle comprising a velocity sensing system is provided. The velocity sensing system comprises a transmitter configured to transmit a first acoustic signal having at least a first frequency and a receiver, configured to detect a second acoustic signal comprising the first acoustic signal after it has been reflected from a reflective surface. The velocity sensing system is configured to determine from the second acoustic signal a second frequency, said second frequency comprising the first frequency after having undergone a Doppler shift; and to use the first and second frequencies to determine a velocity at which the unmanned aerial vehicle is travelling relative to the reflective surface.Type: GrantFiled: December 21, 2018Date of Patent: April 26, 2022Assignee: SINTEF TTO ASInventors: Franck Fleurey, Jakob Høgenes
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Patent number: 11298038Abstract: A system for in-vivo monitoring of pressure of a body fluid. The system comprises a delivery component and an elongate sensor delivery member shaped so as to pass through the delivery component when it has been inserted in to a patient. A first pressure sensor is positioned at a distal end of the delivery member.Type: GrantFiled: October 23, 2014Date of Patent: April 12, 2022Assignee: SINTEF TTO AS.Inventors: Thomas Glott, Ingelin Clausen
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Patent number: 11287917Abstract: An input device comprises a plurality of optical vibration sensors mounted in a common housing. Each optical vibration sensor comprises a diffractive optical element; a light source arranged to illuminate the diffractive optical element such that a first portion of light passes through the diffractive optical element and a second portion of light is reflected from the diffractive optical element; and a photo detector arranged to detect an interference pattern generated by said first and second portions of light. The optical vibration sensor is configured so that in use, after the first portion of light passes through the diffractive optical element, the first portion of light is reflected from a reflective surface onto the photo detector. The input device is placed in contact with a surface of a solid body, and an object is brought into physical contact with the surface of the solid body, thereby causing vibrations in the solid body.Type: GrantFiled: May 17, 2018Date of Patent: March 29, 2022Assignee: SINTEF TTO ASInventors: Tobias Gulden Dahl, Magnus Christian Bjerkeng, Andreas Vogl, Odd Kristen Østern Pettersen
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Patent number: 11240607Abstract: An optical microphone assembly comprises a rigid substrate; an interferometric arrangement, a light source, at least one photo detector and an enclosure. The interferometric arrangement comprises a membrane and at least one optical element spaced from the membrane, wherein the at least one optical element comprises a surface of the substrate and/or is disposed on a surface of the substrate. The light source is arranged to provide light to the interferometric arrangement such that a first portion of the light propagates along a first optical path via the interferometric arrangement and a second portion of the light propagates along a second different optical path via the interferometric arrangement, thereby giving rise to an optical path difference between the first and second optical paths which depends on a distance between the membrane and the optical element.Type: GrantFiled: May 15, 2019Date of Patent: February 1, 2022Assignee: SINTEF TTO ASInventors: Hallvard Angelskår, Thor Bakke, Ib-Rune Johansen, Matthieu Lacolle, Jakob Vennerød, Andreas Vogl, Dag Wang
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Publication number: 20210147986Abstract: The present invention relates to a method for producing hydrogen in a polymer electrolyte membrane (PEM) water electrolyser cell. A direct electric current is applied to the water electrolyser cell. Water molecules are allowed to diffuse from a cathode compartment through a polymer electrolyte membrane into an anode compartment, to oxidize water molecules at an anode catalyst layer into protons, oxygen and electrons. The protons are allowed to migrate through a polymer electrolyte membrane into the cathode compartment and the protons are reduced at a cathode catalyst layer to produce hydrogen. The cell is supplied with water to the cathode compartment, and humidified air is supplied to the anode compartment. The invention also relates to a polymer electrolyte membrane (PEM) water electrolyser cell, a polymer electrolyte membrane (PEM) water electrolyser stack and a polymer electrolyte membrane (PEM) water electrolyser system.Type: ApplicationFiled: July 2, 2018Publication date: May 20, 2021Applicant: SINTEF TTO ASInventors: Magnus S. THOMASSEN, Alejandro Oyarce BARNETT
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Patent number: 10967039Abstract: A process for the preparation of targeting nanoparticles of a poly(alkyl cyanoacrylate) homopolymer or copolymer, wherein said method comprises, in a single step, the anionic polymerisation of an oil-in-water miniemulsion as herein defined. The invention also relates to nanoparticles produced from said process and to their use in medicine.Type: GrantFiled: May 28, 2014Date of Patent: April 6, 2021Assignee: SINTEF TTO ASInventors: Ruth Schmid, Per Stenstad, Yrr Morch, Heidi Johnsen
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Patent number: 10948594Abstract: A semi-passive acoustic transponder providing identity information related to the transponder when it is reflecting a received pulsed acoustic signal underwater. The transponder includes a memory unit holding ID-sequence data controlling operation of the switching device, and an electronic circuit includes frequency adjusting means for adjusting the frequency and duration of the switch such that the duration of the ID-sequence data is shorter than the duration of pulses of the received acoustic signal. Additionally, a method and system may provide position and identity information related to one or more of said semi-passive acoustic transponders.Type: GrantFiled: January 11, 2017Date of Patent: March 16, 2021Assignee: SINTEF TTO ASInventors: Tone Berg, Tonni Franke Johansen, Odd Trandem