Patents Assigned to Innventia AB
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Patent number: 11286582Abstract: A method for producing a stabilized lignin fiber from softwood alkaline lignin by heat treatment in the absence of oxidant is disclosed. The stabilized lignin fiber can be further treated to obtain carbon fiber.Type: GrantFiled: January 21, 2013Date of Patent: March 29, 2022Assignee: RISE INNVENTIA ABInventors: Elisabeth Sjöholm, Göran Gellerstedt, Rickard Drougge, Ida Norberg
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Publication number: 20220073865Abstract: A method of preparing a composition comprising mycelium along with a cellulose and/or plurality of nanoparticles is described herein. The method comprises inoculating a liquid medium with fungus, the liquid medium comprising nutrients and the cellulose and/or nanoparticles. Further described herein are compositions comprising mycelium along with a cellulose and/or plurality of nanoparticles, as well as articles-of-manufacture comprising such a composition, wherein at least 10% of the cellulose and/or nanoparticles in the composition is incorporated within the mycelium. A method of enhancing fungal growth is also described, comprising contacting the fungus with a liquid medium comprising a polymer which comprises carboxylic acid groups.Type: ApplicationFiled: September 10, 2021Publication date: March 10, 2022Applicants: Technion Research & Development Foundation Limited, RISE Innventia ABInventors: Noam ATTIAS, Jacob GROBMAN, Tiffany ABITBOL
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Patent number: 10961552Abstract: Process for the production of an organic acid from a lignocellulosic feedstock. The process is integrated with a pulp mill and comprises: a) pre-treating a lignocellulosic feedstock with an alkaline liquor from the pulp, thereby obtaining a pretreated cellulosic feed and a black liquor; b) subjecting the pretreated cellulosic feed from step a) to enzymatic hydrolysis, thereby obtaining a saccharide feed; c) subjecting the saccharide feed from step b) to microbial fermentation using calcium oxide from the pulp mill as a neutralising agent, thereby obtaining an organic acid calcium salt; d) treating the organic acid calcium salt with sulfuric acid, thereby obtaining the organic acid; e) optionally isolating lignin from the black liquor obtained in step a), thereby obtaining lignin and weak black liquor; and f) returning the black liquor from step a) and/or the weak black liquor from step e) to the pulp mill chemical recovery process.Type: GrantFiled: September 6, 2017Date of Patent: March 30, 2021Assignee: RISE INNVENTIA ABInventors: Victor Robertsson, Niklas Berglin, Mikael Jansson
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Patent number: 10947387Abstract: The present invention relates to lignin-containing compositions comprising: 0 to 50 percent by weight of lignin; 0 to 50 percent by weight of a liquid C2-C4polyol; and 10 to 50 percent by weight of an acrylic resin; wherein the percentages by weight are expressed relative to the total dry weight of the composition, and wherein the total dry weight of the composition amounts to 100 percent. The present invention further relates to processes for sealing joints or coating surfaces using such a composition. Moreover, the present invention relates to joints sealed and surfaces coated using such a composition, as well as vehicles comprising such sealed joints and coated surfaces.Type: GrantFiled: March 17, 2017Date of Patent: March 16, 2021Assignee: RISE INNVENTIA ABInventors: Fernando Alvarado, Göran Flodberg
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Patent number: 10439204Abstract: A method for producing an electrode active coating on a current collector comprising providing isolated lignin and subjecting the isolated lignin to a pre-treatment in order to remove low molecular mass fractions of the lignin. The pre-treated lignin is mixed with an electrode active material, water and a conductive additive material so as obtain a slurry adapted for coating of a current collector. The coating obtained by the method comprises pre-treated lignin as a binder. The coating obtained has good binding properties between the particles of the coating as well as to the current collector. Furthermore, it has excellent electrochemical properties during use in a lithium-ion battery.Type: GrantFiled: March 1, 2016Date of Patent: October 8, 2019Assignee: Rise Innventia ABInventors: Huiran Lu, Simon Leijonmarck, Ann Cornell, Marten Behm, Goran Lindbergh, Jiebing Li, Per Tomani, Fernando Alvarado
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Patent number: 10132005Abstract: The invention relates to a continuous, scalable and parallelizable method for preparing strong and stiff fibers (filaments) or films. The fiber or film is prepared by utilizing hydrodynamically induced alignment of the constituents of a dispersion in combination with surface-charge controlled gel transition to produce fibers with a high degree of alignment of the constituents (polymer(s), fibrils etc). The invention also relates to the fibers or films so formed.Type: GrantFiled: October 22, 2013Date of Patent: November 20, 2018Assignee: RISE Innventia ABInventors: Daniel Söderberg, Fredrik Lundell, Andreas Fall, Karl Håkansson, Mathias Kvick, Lars Wågberg
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Publication number: 20180069232Abstract: A method for producing an electrode active coating on a current collector comprising providing isolated lignin and subjecting the isolated lignin to a pre-treatment in order to remove low molecular mass fractions of the lignin. The pre-treated lignin is mixed with an electrode active material, water and a conductive additive material so as obtain a slurry adapted for coating of a current collector. The coating obtained by the method comprises pre-treated lignin as a binder. The coating obtained has good binding properties between the particles of the coating as well as to the current collector. Furthermore, it has excellent electrochemical properties during use in a lithium-ion battery.Type: ApplicationFiled: March 1, 2016Publication date: March 8, 2018Applicant: Innventia ABInventors: Huiran LU, Simon LEIJONMARCK, Ann CORNELL, Marten BEHM, Goran LINDBERGH, Jiebing LI, Per TOMANI, Fernando ALVARADO
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Patent number: 9617393Abstract: The present invention relates to a method of producing lignin with reduced amount of odorous substances comprising the steps of: i) dissolving isolated lignin into an alkali solution; ii) adding to the solution C1-C4-alcohol in an amount of less than 30% by weight, based on the dry weight of the isolated lignin; and iii) re-precipitating lignin by acidifying the solution. The invention also relates to a lignin product with reduced odor obtained and/or obtainable by the method and to the use of the obtained lignin as a component in polymer blends, an additive or filler in building materials, as binding agent in adhesives, and/or for the production of a carbon fiber, especially in indoor applications.Type: GrantFiled: November 13, 2015Date of Patent: April 11, 2017Assignee: INNVENTIA ABInventors: Per Tomani, Fernando Alvarado
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Patent number: 9446955Abstract: Disclosed is a method of producing a continuous lignin fiber from softwood and/or hardwood alkali lignin. The lignin fiber can be further treated to obtain structural carbon fiber.Type: GrantFiled: February 13, 2012Date of Patent: September 20, 2016Assignee: INNVENTIA ABInventors: Elisabeth Sjholm, Goran Gellerstedt, Rickard Drougge, Ida Norberg, Ylva Nordstrom
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Patent number: 9388529Abstract: The invention relates to methods of manufacturing nano pulp, wherein cellulose containing raw material is accelerated in a continuous gas and/or liquid flow, whereby the material is disintegrated and nano pulp is produced. The gas and/or liquid flow may be created by reduction of an elevated pressure in a reactor holding the cellulose containing raw material. The invention also relates to the nano pulp produced.Type: GrantFiled: February 24, 2012Date of Patent: July 12, 2016Assignee: INNVENTIA ABInventors: Mikael Lindström, Daniel Söderberg, Gunnar Henriksson
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Patent number: 8992732Abstract: The invention relates to a process for making paper or paper board comprising forming a cellulosic suspension, flocculating the suspension, draining the suspension on a device to form a sheet and then drying the sheet, wherein the suspension is flocculated using a formation improving 3-component flocculation system comprising a) a linear cationic or ampoteric co-polymer of: i) acrylamide, and ii) a substance with formula (I) with a halide as counter-ion; b) at least one water soluble component chosen from the group of anionic polyacrylamide, non-ionic polyacrylamide and polyethyleneoxide; and c) inorganic microparticles, whereby the flocculation system does not contain a wafer-dispersible or branched anionic organic polymer. The invention also relates to use of the flocculation/retention system in the manufacture of paper or paper board, and to paper and paper board thus produced.Type: GrantFiled: December 17, 2012Date of Patent: March 31, 2015Assignee: Innventia ABInventors: Tom Lindström, Anna Svedberg, Mikael Ankerfors
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Patent number: 8911591Abstract: A method for the manufacturing of nanocellulose. The method includes a first modification of the cellulose material, where the cellulose fibers are treated with an aqueous electrolyte-containing solution of an amphoteric cellulose derivative. The modification is followed by a mechanical treatment. By using this method for manufacturing nanocellulose, clogging of the mechanical apparatus is avoided. Also the nanocellulose is manufactured in accordance with the method and uses of the cellulose.Type: GrantFiled: April 8, 2009Date of Patent: December 16, 2014Assignee: Innventia ABInventors: Mikael Ankerfors, Tom Lindstrom
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Publication number: 20140219909Abstract: Disclosed is a method of producing a continuous lignin fiber from softwood and/or hardwood alkali lignin. The lignin fiber can be further treated to obtain structural carbon fiber.Type: ApplicationFiled: February 13, 2012Publication date: August 7, 2014Applicant: INNVENTIA ABInventors: Elisabeth Sjoholm, Goran Gellerstedt, Rickard Drougge, Ida Norberg, Ylva Nordstrom
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Publication number: 20140014283Abstract: The invention relates to methods of manufacturing nano pulp, wherein cellulose containing raw material is accelerated in a continuous gas and/or liquid flow, whereby the material is disintegrated and nano pulp is produced. The gas and/or liquid flow may be created by reduction of an elevated pressure in a reactor holding the cellulose containing raw material. The invention also relates to the nano pulp produced.Type: ApplicationFiled: February 24, 2012Publication date: January 16, 2014Applicant: INNVENTIA ABInventors: Mikael E. Lindström, Daniel Söderberg, Gunnar Henriksson
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Patent number: 8241756Abstract: The invention relates to compositions for coating of printing paper, said compositions comprising microfibrillated cellulose (MFC) and one or more polysaccharide hydrocolloids, and use of said compositions. Further, the invention relates to coated paper, comprising a first layer of polysaccharide hydrocolloid(s) and a second layer of MFC, and use of said paper. A method for reducing the linting and/or dusting of a paper is also disclosed.Type: GrantFiled: April 3, 2009Date of Patent: August 14, 2012Assignee: Innventia ABInventors: Mikael Ankerfors, Tom Lindstrom, Hainong Song, Miroslav Hoc
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Publication number: 20110207915Abstract: The invention relates to a method of producing an extrudate comprising the steps of providing a plant protein and treating said protein with a solution comprising a nitrogen-containing compound. The solution with the nitrogen-containing compound may moreover comprise an anti-oxidative acid. A product, such as a film, obtained by the method is also described. By using the solvent-free method of the invention, polymers with excellent barrier and tensile properties may be produced.Type: ApplicationFiled: September 15, 2009Publication date: August 25, 2011Applicant: INNVENTIA ABInventors: Mikael Gallstedt, Henrik Ullsten, Eva Johansson, Mikael Hedenqvist
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Publication number: 20110151156Abstract: Motion-controlled, layered mechano-active materials include at least one first fiber-based layer and at least one second layer capable of releasing or inducing tension, whereby the extension of the material is anisotropically controllable by heat and/or moisture. The motion control may be exerted by moisture or heat, e.g. by an electrical current. Products of the invention may be used for packaging or display purposes.Type: ApplicationFiled: July 1, 2009Publication date: June 23, 2011Applicant: INNVENTIA ABInventors: Hjalmar Granberg, Mikael Lindström, Sven Forsberg, Fredrik Berthold, Farvash Razavi, Veronica Holmberg, Marie-Claude Beland
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Publication number: 20110081554Abstract: The invention relates to compositions for coating of printing paper, said compositions comprising microfibrillated cellulose (MFC) and one or more polysaccharide hydrocolloids, and use of said compositions. Further, the invention relates to coated paper, comprising a first layer of polysaccharide hydrocolloid(s) and a second layer of MFC, and use of said paper. A method for reducing the linting and/or dusting of a paper is also disclosed.Type: ApplicationFiled: April 3, 2009Publication date: April 7, 2011Applicant: INNVENTIA ABInventors: Mikael Ankerfors, Tom Lindstrom, Hainong Song, Miroslav Hoc
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Publication number: 20110036522Abstract: A method for the manufacturing of nanocellulose. The method includes a first modification of the cellulose material, where the cellulose fibres are treated with an aqueous electrolyte-containing solution of an amphoteric cellulose derivative. The modification is followed by a mechanical treatment. By using this method for manufacturing nanocellulose, clogging of the mechanical apparatus is avoided. Also the nanocellulose is manufactured in accordance with the method and uses of the cellulose.Type: ApplicationFiled: April 8, 2009Publication date: February 17, 2011Applicant: INNVENTIA ABInventors: Mikael Ankerfors, Tom Lindstrom
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Patent number: D727722Type: GrantFiled: March 7, 2014Date of Patent: April 28, 2015Assignee: Innventia ABInventors: Marie-Claude Beland, Hjalmar Granberg, Hanna Billqvist, Anna Glansen