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Teknologian Tutkimuskeskus Vtt Oy patents


Recent patent applications related to Teknologian Tutkimuskeskus Vtt Oy. Teknologian Tutkimuskeskus Vtt Oy is listed as an Agent/Assignee. Note: Teknologian Tutkimuskeskus Vtt Oy may have other listings under different names/spellings. We're not affiliated with Teknologian Tutkimuskeskus Vtt Oy, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "T" | Teknologian Tutkimuskeskus Vtt Oy-related inventors


Device for an electrochemical cell

. . The present invention relates to a device for an electrochemical cell, comprising a first layer of substrate material having a plurality of first hydrophilic areas of the substrate and at least one hydrophobic area separating said first hydrophilic areas, the first layer of substrate material comprising at least two first electrodes made on at least two first hydrophilic areas; a second layer of substrate material having a plurality of second hydrophilic areas of the substrate and at least one hydrophobic area separating said second hydrophilic areas, the second layer of substrate material comprising at least two second electrodes made on at least two second hydrophilic areas; and one or more electrical conductors connected to at least two of said first electrodes. The first layer of substrate material and the second layer of substrate material are positioned on top of one another such that the at least two first electrodes are aligned with the at least two second electrodes in order to form at least two electrochemical cells for producing voltage when the at least two hydrophilic areas are contacted with an aqueous liquid.. ... Teknologian Tutkimuskeskus Vtt Oy

Method and apparatus for breath analysis

A method and an apparatus for breath analysis, the method comprising determining an isotopic composition profile, or a concentration profile of a species, of a first breath cycle; determining a threshold; determining a sampling time; and measuring the isotopic composition, or concentration of the species, during a second breath cycle at the sampling time triggered by reaching the threshold.. . ... Teknologian Tutkimuskeskus Vtt Oy

Wide-band acoustically coupled thin-film baw filter

The invention relates to an acoustically coupled thin-film baw filter, comprising a piezoelectric layer, an input-port on the piezoelectric layer changing electrical signal into an acoustic wave (saw, baw), and an output-port on the piezoelectric layer changing acoustic signal into electrical signal. In accordance with the invention the ports include electrodes positioned close to each other, and the filter is designed to operate in first order thickness-extensional te1 mode.. ... Teknologian Tutkimuskeskus Vtt Oy

Method and apparatus for treating skin

A method and a device for treating at least a part of an individual's skin having a natural first polarization state. The method comprises the steps of applying at least two electrodes on the individual's skin at a distance from each other, and supplying a direct current to said electrodes to form an electrical potential difference between said electrodes on said part of the skin in order to bringing said part of the skin into a second polarization state, which is different from the first. ... Teknologian Tutkimuskeskus Vtt Oy

Method of producing glycolic acid polymers

Described herein is a feasible, significantly simplified production method that avoids challenging lactonization steps and converts a low molecular weight aliphatic polyester, consisting of hydroxy acids and a comonomer, whose molecular weight has been increased by step-growth polymerization reactions. The molecular weight of the aliphatic polyester, based on comparison of initial and final weight average molecular weights (mw,1/mw,2), increased significantly at a rate which permits the use of reactive extrusion to produce high molecular weight aliphatic polyesters in a simple, economically feasible manner.. ... Teknologian Tutkimuskeskus Vtt Oy

Mems capacitive pressure sensor and manufacturing method

According to an example aspect of the present invention, there is provided a mems capacitive pressure sensor (1), comprising a first electrode (17), a deformable second electrode (18) being electrically insulated from the first electrode (17) by means of a chamber (4) between the first electrode (17) and the second electrode (18), and wherein at least one of the first electrode (17) and the second electrode (18) includes at least one pedestal (5) protruding into the chamber (4). According to another example aspect of the present invention, there is also provided a method for manufacturing a mems capacitive pressure sensor (1).. ... Teknologian Tutkimuskeskus Vtt Oy

Method and apparatus for producing a chemical compound and the produced chemical compound

A method and an apparatus for producing a chemical compound from biomass based raw material. The bio-mass based raw material is gasified in a gasification device for forming a gasification gas, the gasification gas is treated in the reactor which includes at least one catalyst layer including fe-based catalyst for forming a hydrocarbon composition, at least one hydrocarbon fraction including olefins is recovered from the hydrocarbon composition, and a chemical compound is formed from the hydrocarbon fraction. ... Teknologian Tutkimuskeskus Vtt Oy

Method for activating and precipitating lignin

According to an example aspect of the present invention, there is provided a method of producing reactive lignin from an alkaline lignin containing stream, such as black liquor, e.g. Kraft lignin, by using thermal treatment with temperatures between 200 and 250° c. ... Teknologian Tutkimuskeskus Vtt Oy

Molar mass controlled cellulose

According to an example aspect of the present invention, there is provided a method of improving the reactivity and processability of cellulose in order to utilize cheap and easily available raw material and obtain excellent performance for biomaterial manufacturing.. . ... Teknologian Tutkimuskeskus Vtt Oy

Infrared emitter having a layered structure

A layered infrared emitter structure includes only semi-transparent metal layers, preferably one semi-transparent metal layer, and one or more dielectric layers on both sides of the semi-transparent metal layer. Further, an electric heating wiring is arranged in or between any of the dielectric layers to heat the semi-transparent metal layer up to a required infrared emission temperature, preferably to a temperature within a range from 400° c. ... Teknologian Tutkimuskeskus Vtt Oy

Method for forming powder particles and a product

The invention relates to a method for forming powder particles, wherein the method comprises feeding a start material mixture including more than one constituents in the form of granules into a reactor comprising a reaction zone and a heat source, performing thermal synthesis in the reaction zone in which the start material mixture is moved and the constituents of the start material mixture react in the presence of heat so that the reaction is started by means of heat of the reactor and energy of the start material mixture is released in the form of heat in order to achieve the reaction, and producing powder particles during the reaction. Further, the invention relates to a powder particle product.. ... Teknologian Tutkimuskeskus Vtt Oy

Method of producing furan carboxylates from aldaric acids by using solid heterogeneous catalyst

According to an example aspect of the present invention, there is provided a method of producing furan carboxylates from aldaric acids in the presence of a solid heterogeneous catalyst and a solvent with short reaction time. The feedstock for the production is a stable compound, which allows industrial scaling of the process. ... Teknologian Tutkimuskeskus Vtt Oy

Lateral flow device, assay device and kit and method for analyzing a fluid sample

. . The invention concerns a lateral flow device, system, kit and method for analyzing a fluid sample. The device comprises a support structure, a flow channel formed in the support structure, and an injection zone in fluidic connection with the flow channel for introducing the fluid sample into the flow channel. ... Teknologian Tutkimuskeskus Vtt Oy

Thermoplastic fibrous materials and a method of producing the same

The invention relates to a method for the manufacture of thermoplastic fibrous materials comprising forming at least one foamed liquid comprising water and at least one foaming agent, forming a dispersion by dispersing fibers including long fibers in said at least one foamed liquid comprising water and at least one foaming agent, mixing the dispersion with a foamable liquid or dispersion comprising at least one thermoplastic polymer, forming at least one foamed dispersion, and conveying the foamed dispersion or dispersions to a foraminous support and draining liquid trough the foraminous support to form a web or a sheet, to obtain the thermoplastic fibrous material. The invention also relates to materials and products obtainable by the method, and uses related thereto.. ... Teknologian Tutkimuskeskus Vtt Oy

12/21/17 / #20170361311

Method for forming catalytic nanocoating

Provided is a method forming a catalytic nanocoating on a surface of a metal plate, wherein the method comprises pretreating the surface of the metal plate by means of heat treatment at 500-800° c., forming a metaloxide support by washcoating on the surface of the metal plate, and coating the surface of the metal plate by depositing catalytically active metals and/or metaloxides on the metaloxide support by means of an atomic layer deposition (ald) method in order to form a thin and conformal catalyst layer on the metal plate. Further, the invention relates to a catalyst and a use.. ... Teknologian Tutkimuskeskus Vtt Oy

12/07/17 / #20170348683

Method for forming catalytic nanocoating

. . Provided is a method for forming catalytic nanocoating on a metal surface. The method comprises pretreating the metal surface by means of heat treatment at 500-800° c., forming a metaloxide support, and depositing catalytic nanosized metal and/or metaloxide particles on the metaloxide support and coating the metal surface with catalytic nanosized metal and/or metaloxide particles. ... Teknologian Tutkimuskeskus Vtt Oy

11/30/17 / #20170346059

Cellulose based functional composites, energy storage devices and manufacturing methods thereof

Document discloses new technologies for utilizing cellulose based materials in composites and electrically functionalised structures, such as energy storage devices. The object of the invention is achieved by means of high consistency fibrillated cellulose with at least one functional additive. ... Teknologian Tutkimuskeskus Vtt Oy

09/21/17 / #20170269351

Hyperspectral imaging arrangement

An arrangement for hyperspectral imaging, comprising an imaging sensor (170,270); a band-pass filter element (130,230): at least one imaging optics element (120,160,220,260) configured to form an image on the imaging sensor (170,270); and a first adjustable multi passband filter (150a,255); wherein the first (150a,255) adjustable multi passband filter is configured to be adjusted by tilting.. . ... Teknologian Tutkimuskeskus Vtt Oy

09/21/17 / #20170266693

Method for improving the water tolerance of bio-based cnf-films

The present invention relates to a continuous roll-to-roll process for improving the water tolerance of bio-based polymers, in particular cellulose nanofibrils (cnf) films. Furthermore, the invention provides a method, which combines surface modification/functionalization for improving water stability and wet strength, uv/ozone treatment, corona treatment or plasma activation for purifying and activating the surface and thus increasing the reaction efficiency, and further hydrophobization of the surface of cnf film.. ... Teknologian Tutkimuskeskus Vtt Oy

08/10/17 / #20170229252

A blank suitable for use as a body of a supercapacitor, a supercapacitor, and a method of manufacturing a porous silicon volume

A blank suitable for use as a body of a supercapacitor comprises a first porous semiconductor volume and a second porous semiconductor volume, the second porous semiconductor volume laterally surrounded by the first porous semiconductor volume and separated from it by a trench that is suitable for receiving an electrolyte, whereby the first and second porous semiconductor volume comprise channels opening to the trench. A supercapacitor comprises a body formed by using the blank according to any one of the preceding claims, so that the first porous semiconductor volume acts as one electrode and the second porous semiconductor volume acts as another electrode, with an electrolyte in the trench.. ... Teknologian Tutkimuskeskus Vtt Oy

07/27/17 / #20170211056

Novel isoprene synthase and method of preparing isoprene using thereof

Provided are a novel isoprene synthase derived from sweet potato and a method of preparing isoprene using the same, and more specifically, a novel isoprene synthase derived from sweet potato, a gene encoding the isoprene synthase, a host cell transformed with the gene, and a method of preparing isoprene using the same. The isoprene synthase of the present invention may have higher isoprene productivity as compared to isoprene synthases known in the related art to thereby be effectively used in isoprene biosynthesis and preparation of an isoprene polymer using the same.. ... Teknologian Tutkimuskeskus Vtt Oy

06/08/17 / #20170159744

Protection against excessive forces in a suspension arrangement

. . A simple and robust suspension arrangement is provided for taking into account different suspension modes without the need for excessive sensoring or electronics. The novel suspension arrangement includes a first suspension element, which directly suspends the object to the frame, and a second suspension element, which suspends the object to the frame through a magnetic coupling between the object and the second suspension element. ... Teknologian Tutkimuskeskus Vtt Oy

05/18/17 / #20170137363

Method for producing muconic acids and furans from aldaric acids

The present invention relates to selective catalytic dehydroxylation method of aldaric acids for producing muconic acid and furan chemicals, which can be used directly in fine chemical and polymer applications (fca/fdca) and as intermediates in the preparation of industrially significant chemicals, such as terephthalic acid, adipic acid, caprolactone, caprolactam, nylon 6.6, 1,6-hexanediol and multiple pharmaceutical building blocks (ma/mame).. . ... Teknologian Tutkimuskeskus Vtt Oy

05/11/17 / #20170128808

Analysis of swimming technique

A method and system for analyzing swimming technique, the method comprising measuring pressure exerted on the hand during a handstroke with at least one pressure sensor (12) attached to a hand of a swimmer; measuring acceleration in three dimensions during the handstroke with at least one acceleration sensor (13) attached to the hand of the swimmer; and calculating from the measured values a profile of the handstroke comprising a quantity and direction of the force during the handstroke.. . ... Teknologian Tutkimuskeskus Vtt Oy

01/26/17 / #20170023440

Capacitive cylinder pressure sensor

A capacitive pressure sensor for an internal combustion engine is provided having a housing having a bottom surface, variable capacitor and circuitry. The variable capacitor is formed by a stationary electrode and an elastically bendable electrode. ... Teknologian Tutkimuskeskus Vtt Oy








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