Patents by Inventor Leif Jönsson
Leif Jönsson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12006505Abstract: The invention relates to a method for producing a genetically modified plant or woody plant with improved growth properties (in terms of biomass and wood quality) as compared to a corresponding non-genetically modified wild type plant or woody plant, said method comprising altering the level of expression of a polypeptide in a plant cell or woody plant cell; a plant or woody plant; or a part thereof.Type: GrantFiled: November 17, 2021Date of Patent: June 11, 2024Assignee: SweTree Technologies ABInventors: Magnus Hertzberg, Karin Johansson, David Jonsén, Pär Jonsson, Linus Möller, Leif Jönsson, Madhavi Latha Gandla, Rishikesh Bhalerao, Jarmo Schrader, Göran Sandberg
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Publication number: 20220064660Abstract: The invention relates to a method for producing a genetically modified plant or woody plant with improved growth properties (in terms of biomass and wood quality) as compared to a corresponding non-genetically modified wild type plant or woody plant, said method comprising altering the level of expression of a polypeptide in a plant cell or woody plant cell; a plant or woody plant; or a part thereof.Type: ApplicationFiled: November 17, 2021Publication date: March 3, 2022Applicant: SweTree Technologies ABInventors: Magnus HERTZBERG, Karin JOHANSSON, David JONSÉN, Pär JONSSON, Linus MÖLLER, Leif JÖNSSON, Madhav Latha GANDLA, Rishikesh BHALERAO, Jarmo SCHRADER, Göran ANDBERG
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Patent number: 11193135Abstract: The invention relates to a method for producing a genetically modified plant or woody plant with improved growth properties (in terms of biomass and wood quality) as compared to a corresponding non-genetically modified wild type plant or woody plant, said method comprising altering the level of expression of a polypeptide in a plant cell or woody plant cell; a plant or woody plant; or a part thereof.Type: GrantFiled: January 13, 2020Date of Patent: December 7, 2021Assignee: SweTree Technologies ABInventors: Magnus Hertzberg, Karin Johansson, David Jonsén, Pär Jonsson, Linus Möller, Leif Jönsson, Madhavi Latha Gandla, Rishikesh Bhalerao, Jarmo Schrader, Göran Sandberg
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Publication number: 20200165623Abstract: The invention relates to a method for producing a genetically modified plant or woody plant with improved growth properties (in terms of biomass and wood quality) as compared to a corresponding non-genetically modified wild type plant or woody plant, said method comprising altering the level of expression of a polypeptide in a plant cell or woody plant cell; a plant or woody plant; or a part thereof.Type: ApplicationFiled: January 13, 2020Publication date: May 28, 2020Applicant: SweTree Technologies ABInventors: Magnus Hertzberg, Karin Johansson, David Jonsén, Pär Jonsson, Linus Möller, Leif Jönsson, Madhavi Latha Gandla, Rishikesh Bhalerao, Jarmo Schrader, Göran Sandberg
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Patent number: 10570407Abstract: The invention relates to a method for producing a genetically modified woody plant with improved growth properties (in terms of biomass and/or wood density) as compared to a corresponding non-genetically modified wild type plant or woody plant, said method comprising altering the level of expression of a polypeptide in a woody plant cell; a woody plant; or a part thereof.Type: GrantFiled: December 29, 2015Date of Patent: February 25, 2020Assignee: SweTree Technologies ABInventors: Magnus Hertzberg, Karin Johansson, David Jonsén, Pär Jonsson, Linus Möller, Leif Jönsson, Madhavi Latha Gandla, Rishikesh Bhalerao, Jarmo Schrader, Göran Sandberg
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Publication number: 20170349910Abstract: The invention relates to a method for producing a genetically modified woody plant with improved growth properties (in terms of biomass and/or wood density) as compared to a corresponding non-genetically modified wild type plant or woody plant, said method comprising altering the level of expression of a polypeptide in a woody plant cell; a woody plant; or a part thereof.Type: ApplicationFiled: December 29, 2015Publication date: December 7, 2017Applicant: SweTree Technologies ABInventors: Magnus HERTZBERG, Karin JOHANSSON, David JONSÉN, Pär JONSSON, Linus MÖLLER, Leif JÖNSSON, Madhavi Latha GANDLA, Rishikesh BHALERAO, Jarmo SCHRADER, Göran SANDBERG
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Patent number: 9512454Abstract: The present invention relates to a method of enzymatic hydrolysis of a lignocellulosic material, comprising the steps of: a) pretreating the lignocellulosic material to obtain a slurry having a pH of less than 6; b) adding NaOH, Ca(OH)2 and/or CaO to the slurry to increase its pH to at least 8, said addition being carried out at a slurry temperature of at least 60° C.; c) reducing the pH of the slurry to below 7; and optionally cooling the slurry from step b) to a temperature below 60° C.; and d) adding hydrolytic enzymes to the slurry from c) and allowing the slurry to hydrolyze wherein no washing of the slurry is performed prior to step d).Type: GrantFiled: June 11, 2012Date of Patent: December 6, 2016Assignee: Sekab E-Technology ABInventors: Leif Jönsson, Björn Alriksson, Venkata Prabhakar Soudhama
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Publication number: 20160251671Abstract: The invention relates to a method for producing a transgenic tree having reduced xylan content compared to a wild-type tree of the same species, said method comprising reducing expression of one or more genes from the glycosyltransferase 43 (GT43), family in the said transgenic tree, whereby growth properties, mechanical properties, and/or saccharification properties are improved in the said transgenic tree.Type: ApplicationFiled: October 21, 2014Publication date: September 1, 2016Inventors: Ewa J. MELLEROWICZ, Leif JÖNSSON, Christine RATKE, Barbara TEREBIENIEC, Sandra WINESTRAND
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Publication number: 20150033411Abstract: The invention relates to methods for increasing saccharification potential in a plant, comprising overexpressing a polynucleotide encoding an acetyl xylan esterase polypeptide in at least one cell type in said plant. The invention further relates to methods for producing genetically modified plants overexpressing a polynucleotide encoding an acetyl xylan esterase polypeptide, as well as to genetically modified plants produced by such methods.Type: ApplicationFiled: March 12, 2013Publication date: January 29, 2015Inventors: Prashant Mohan Pawar, Marta Derba-Maceluch, Ewa J. Mellerowicz, Madhavi Latha Gandla, Leif Jönsson
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Patent number: 8815499Abstract: The present invention provides a method for decreasing the fermentation inhibition in a fermentation of cellulose-derived material in a fermentor, wherein fermentation inhibitory properties of the material subjected to fermentation is decreased by an addition of at least one reducing agent to the fermentor. Further, there is provided a method of increasing the fermentability of a fermentation process comprising the steps of measuring the fermentability of the fermentation process and if the fermentability is below a reference value, then adding at least one reducing agent to the fermentation process.Type: GrantFiled: December 17, 2010Date of Patent: August 26, 2014Assignee: Sekab E-Technology ABInventors: Björn Alriksson, Leif Jönsson, Sune Wännström
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Patent number: 8795997Abstract: The present invention provides a method for decreasing the fermentation inhibition in a process for producing a target chemical from a pretreated cellulosic material, the process comprising enzymatic hydrolysis of the pretreated cellulosic material and fermentation of hydrolysed material, wherein the fermentation inhibitory properties of the material subjected to fermentation is decreased by an addition of at least one reducing agent to the pretreated material or hydrolysed material. Moreover, the present invention provides the use of dithionite for decreasing the fermentation inhibitory properties of a material being subjected to simultaneous enzymatic hydrolysis and fermentation.Type: GrantFiled: December 17, 2010Date of Patent: August 5, 2014Assignee: Sekab E-Technology ABInventors: Leif Jönsson, Björn Alriksson, Adnan Cavka
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Publication number: 20140154746Abstract: The present invention relates to a method of enzymatic hydrolysis of a lignocellulosic material, comprising the steps of: a) pretreating the lignocellulosic material to obtain a slurry having a pH of less than 6; b) adding NaOH, Ca(OH)2 and/or CaO to the slurry to increase its pH to at least 8, said addition being carried out at a slurry temperature of at least 60° C.; c) reducing the pH of the slurry to below 7; and optionally cooling the slurry from step b) to a temperature below 60° C.Type: ApplicationFiled: June 11, 2012Publication date: June 5, 2014Applicant: Sekab E-Technology ABInventors: Leif Jönsson, Björn Alriksson, Venkata Prabhakar Soudhama
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Publication number: 20130022958Abstract: The present invention provides a method for decreasing the fermentation inhibition in a fermentation of cellulose-derived material in a fermentor, wherein fermentation inhibitory properties of the material subjected to fermentation is decreased by an addition of at least one reducing agent to the fermentor. Further, there is provided a method of increasing the fermentability of a fermentation process comprising the steps of measuring the fermentability of the fermentation process and if the fermentability is below a reference value, then adding at least one reducing agent to the fermentation process.Type: ApplicationFiled: December 17, 2010Publication date: January 24, 2013Inventors: Björn Alriksson, Leif Jönsson, Sune Wännström
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Publication number: 20130011894Abstract: The present invention provides a method for decreasing the fermentation inhibition in a process for producing a target chemical from a pretreated cellulosic material, the process comprising enzymatic hydrolysis of the pretreated cellulosic material and fermentation of hydrolysed material, wherein the fermentation inhibitory properties of the material subjected to fermentation is decreased by an addition of at least one reducing agent to the pretreated material or hydrolysed material. Moreover, the present invention provides the use of dithionite for decreasing the fermentation inhibitory properties of a material being subjected to simultaneous enzymatic hydrolysis and fermentation.Type: ApplicationFiled: December 17, 2010Publication date: January 10, 2013Inventors: Leif Jönsson, Björn Alriksson, Adnan Cavka
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Patent number: 8110383Abstract: A method for preparing a target chemical derivable from cellulosic biomass, involving detoxification of spent hydrolysate is provided. The method comprises the steps of providing cellulosic biomass, subjecting the cellulosic biomass to aqueous pretreatment, aqueous hydrolysis, and fermentation under conditions in which at least a part of the fermentable sugars are fermented into a primary target chemical, separating the primary target chemical from the fermented hydrolysate to provide a spent hydrolysate comprising inhibitory substances and detoxifying the spent hydrolysate by decreasing the concentration of at least one of the inhibitory substances using a detoxification biocatalyst selected from the group consisting of wild type, mutant and recombinant filamentous fungi and recirculating at least a part of the detoxified spent hydrolysate, optionally after further purification.Type: GrantFiled: September 30, 2009Date of Patent: February 7, 2012Assignee: Sekab E-Technology ABInventors: Leif Jönsson, Björn Alriksson
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Publication number: 20110217746Abstract: A method for preparing a target chemical derivable from cellulosic biomass, involving detoxification of spent hydrolysate is provided. The method comprises the steps of providing cellulosic biomass, subjecting the cellulosic biomass to aqueous pretreatment, aqueous hydrolysis, and fermentation under conditions in which at least a part of the fermentable sugars are fermented into a primary target chemical, separating the primary target chemical from the fermented hydrolysate to provide a spent hydrolysate comprising inhibitory substances and detoxifying the spent hydrolysate by decreasing the concentration of at least one of the inhibitory substances using a detoxification biocatalyst selected from the group consisting of wild type, mutant and recombinant filamentous fungi and recirculating at least a part of the detoxified spent hydrolysate, optionally after further purification.Type: ApplicationFiled: September 30, 2009Publication date: September 8, 2011Applicant: SEKAB E-TECHNOLOGY ABInventors: Leif Jönsson, Björn Alriksson
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Patent number: 7381551Abstract: The present invention relates to a method for improved ethanol production from xylose utilizing strain of Saccharomyces cerevisiae comprising genes for overexpression of xylose reductase, xylitol dehydrogenase and xylulokinase, wherein in addition to said genes, one or more specific genes of a defined group is overexpressed, and/or one or more genes of a defined group is deleted.Type: GrantFiled: September 20, 2004Date of Patent: June 3, 2008Assignee: Forskarpatent I Syd ABInventors: Fredrik Wahlbom, Bärbel Hanh-Hägerdal, Leif Jönsson