Patents by Inventor Hannu Koivikko

Hannu Koivikko 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).

  • Publication number: 20190256877
    Abstract: Disclosed herein are aqueous compositions comprising fructose and methods of production thereof. A method for producing an aqueous composition comprising fructose can comprise, for example, conducting an enzymatic reaction by contacting water, sucrose, and a glucosyltransferase enzyme that synthesizes poly alpha-1,3-glucan having at least 30% alpha-1,3-linkages. A soluble fraction produced by such a reaction comprises at least about 55% fructose on a dry weight basis, and can be separated from insoluble poly alpha-1,3-glucan product(s), thereby providing an aqueous composition comprising fructose.
    Type: Application
    Filed: February 22, 2019
    Publication date: August 22, 2019
    Inventors: KEVIN D NAGY, Susan Marie Hennessey, Mark S. Payne, Charles R. Powley, Bogdan Szostek, Hannu Koivikko, Juho Jarvinen, Daniel Elcholtz, Jyrki Kuusisto, Tapio Timo Viljava, Stephen Thomas Breske
  • Patent number: 10266861
    Abstract: Disclosed herein are aqueous compositions comprising fructose and methods of production thereof. A method for producing an aqueous composition comprising fructose can comprise, for example, conducting an enzymatic reaction by contacting water, sucrose, and a glucosyltransferase enzyme that synthesizes poly alpha-1,3-glucan having at least 30% alpha-1,3-linkages. A soluble fraction produced by such a reaction comprises at least about 55% fructose on a dry weight basis, and can be separated from insoluble poly alpha-1,3-glucan product(s), thereby providing an aqueous composition comprising fructose.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: April 23, 2019
    Assignees: E. I. DU PONT DE NEMOURS AND COMPANY, DUPONT NUTRITION BIOSCIENCES APS
    Inventors: Kevin D Nagy, Susan Marie Hennessey, Mark S Payne, Charles R Powley, Bogdan Szostek, Hannu Koivikko, Juho Jarvinen, Daniel Eicholtz, Jyrki Kuusisto, Tapio Timo Viljava, Stephen Thomas Breske
  • Publication number: 20170166938
    Abstract: Disclosed herein are aqueous compositions comprising fructose and methods of production thereof. A method for producing an aqueous composition comprising fructose can comprise, for example, conducting an enzymatic reaction by contacting water, sucrose, and a glucosyltransferase enzyme that synthesizes poly alpha-1,3-glucan having at least 30% alpha-1,3-linkages. A soluble fraction produced by such a reaction comprises at least about 55% fructose on a dry weight basis, and can be separated from insoluble poly alpha-1,3-glucan product(s), thereby providing an aqueous composition comprising fructose.
    Type: Application
    Filed: December 14, 2015
    Publication date: June 15, 2017
    Inventors: KEVIN D. NAGY, Susan Marie Hennessey, Mark S Payne, Charles R Powley, Bogdan Szostek, Hannu Koivikko, Juho Jarvinen, Daniel Eicholtz, Jyrki Kuusisto, Tapio Timo Viljava, Stephen Thomas Breske
  • Patent number: 8921541
    Abstract: The invention relates to an improved nanofiltration process for separating and recovering components, such as sugars and sugar alcohols from multicomponent mixtures. The process of the invention is characterized by collecting the nanofiltration retentate/permeate in several fractions with different purity, optional recycling of at least one of the collected nanofiltration retentate/permeate fractions to the nanofiltration and recovering the desired component from the nanofiltration permeate/retentate fractions by different methods. In one embodiment of the invention, the process comprises a combination of nanofiltration and chromatography.
    Type: Grant
    Filed: May 29, 2007
    Date of Patent: December 30, 2014
    Assignee: DuPont Nutritional Biosciences APS
    Inventors: Heikki Heikkila, Hannu Koivikko, Jari Lewandowski, Mika Manttari, Jari Mattila
  • Publication number: 20140336338
    Abstract: A process of treating polymeric nanofiltration membranes before separation of low molecular weight compounds from a solution comprising the same by nanofiltration, wherein the treatment of the nanofiltration membranes is performed with an treatment liquid under conditions which enhance the flux of the low molecular weight compounds to the nanofiltration permeate.
    Type: Application
    Filed: December 5, 2012
    Publication date: November 13, 2014
    Inventors: Jari Mattila, Hannu Koivikko
  • Patent number: 8613858
    Abstract: The invention relates to a nanofiltration process for enriching and concentrating a neutral organic compound into the permeated liquid with negative retention.
    Type: Grant
    Filed: October 27, 2006
    Date of Patent: December 24, 2013
    Assignee: Dupont Nutrition Biosciences APS
    Inventors: Mika Mänttäri, Elina Sjöman, Heikki Heikkilä, Hannu Koivikko, Jutta Lindell
  • Publication number: 20130079509
    Abstract: A process of treating polymeric nanofiltration membranes before separation of low molecular weight compounds from a solution comprising the same by nanofiltration, characterized in that the treatment of the nanofiltration membranes is performed with an organic liquid under conditions which enhance the flux of the low molecular weight compounds to the nanofiltration permeate.
    Type: Application
    Filed: June 7, 2011
    Publication date: March 28, 2013
    Applicant: DUPONT NUTRITION BIOSCIENCES APS
    Inventors: Jari Mattila, Hannu Koivikko
  • Patent number: 8287652
    Abstract: The invention relates to an improved nanofiltration process of recovering xylose from a solution of a plant-based biomass hydrolysate. The process of the present invention is based on the regulation of the xylose flux in the nanofiltration process.
    Type: Grant
    Filed: October 27, 2006
    Date of Patent: October 16, 2012
    Assignee: Danisco A/S
    Inventors: Heikki Heikkilä, Hannu Koivikko, Elina Sjöman, Mika Mänttäri
  • Publication number: 20090270609
    Abstract: The invention relates to an improved nanofiltration process for separating and recovering components, such as sugars and sugar alcohols from multicomponent mixtures. The process of the invention is characterized by collecting the nanofiltration retentate/permeate in several fractions with different purity, optional recycling of at least one of the collected nanofiltration retentate/permeate fractions to the nanofiltration and recovering the desired component from the nanofiltration permeate/retentate fractions by different methods. In one embodiment of the invention, the process comprises a combination of nanofiltration and chromatography.
    Type: Application
    Filed: May 29, 2007
    Publication date: October 29, 2009
    Applicant: DANISCO A/S
    Inventors: Heikki Heikkila, Hannu Koivikko, Jari Lewandowski, Mika Manttari, Jari Mattila
  • Publication number: 20090173339
    Abstract: The invention relates to an improved nanofiltration process of recovering xylose from a solution of a plant-based biomass hydrolysate. The process of the present invention is based on the regulation of the xylose flux in the nanofiltration process.
    Type: Application
    Filed: October 27, 2006
    Publication date: July 9, 2009
    Applicant: DANISCO A/S
    Inventors: Heikki Heikkilä, Hannu Koivikko, Elina Sjöman, Mika Mänttäri
  • Publication number: 20090014386
    Abstract: The invention relates to a nanofiltration process for enriching and concentrating a neutral organic compound into the permeated liquid with negative retention.
    Type: Application
    Filed: October 27, 2006
    Publication date: January 15, 2009
    Applicant: DANISCO A/S
    Inventors: Mika Manttari, Elina Sjoman, Heikki Heikkila, Hannu Koivikko, Jutta Lindell
  • Publication number: 20080060638
    Abstract: The invention relates to removing crystallization inhibitors from a solution comprising one or more reducing sugars by nanofiltration, hydrolysis and/or chromatography. The reducing sugars are typically selected from fructose and xylose.
    Type: Application
    Filed: November 19, 2007
    Publication date: March 13, 2008
    Applicant: Danisco Sweeteners Oy
    Inventors: Hannu Koivikko, Minna Kaarto, Heikki Heikkila, Mirja Lindroos, Juha Nurmi
  • Patent number: 7314528
    Abstract: The invention relates to removing crystallization inhibitors from a solution comprising one or more reducing sugars by nanofiltration, hydrolysis and/or chromatography. The reducing sugars are typically selected from fructose and xylose.
    Type: Grant
    Filed: January 22, 2007
    Date of Patent: January 1, 2008
    Assignee: Danisco Sweeteners Oy
    Inventors: Hannu Koivikko, Minna Kaarto, Heikki Heikkilä, Mirja Lindroos, Juha Nurmi
  • Publication number: 20070113840
    Abstract: The invention relates to removing crystallization inhibitors from a solution comprising one or more reducing sugars by nanofiltration, hydrolysis and/or chromatography. The reducing sugars are typically selected from fructose and xylose.
    Type: Application
    Filed: January 22, 2007
    Publication date: May 24, 2007
    Applicant: Danisco Sweetners Oy
    Inventors: Hannu Koivikko, Minna Kaarto, Heikki Heikkila, Mirja Lindroos, Juha Nurmi
  • Publication number: 20070112187
    Abstract: The invention relates to a process of recovering arabinose and optionally other monosaccharides from vegetable fiber rich in heteropolymeric arabinose, such as gum arabic. Said other monosaccharides are typically selected from galactose and rhamnose. The process of the invention comprises controlled hydrolysis of the arabinose-rich vegetable fiber and fractionation of the hydrolysis product to obtain a fraction enriched in arabinose and optionally other product fractions followed by crystallization of arabinose. The invention also relates to a novel method of crystallizing arabinose from biomass-derived material. Furthermore, the invention relates to novel crystalline L-arabinose.
    Type: Application
    Filed: October 29, 2004
    Publication date: May 17, 2007
    Inventors: Heikki Heikkila, Hannu Koivikko, Juha Nurmi, Jari Mattila, Pia Saari, Nina Nurmi, Paivi Sarmala, Mirja Lindroos, Jari Lewandowski
  • Patent number: 7008485
    Abstract: The invention relates to a process of separating compounds with a small molar mass from compounds having a molar mass less than 1.9 times that of the compounds with a small molar mass using nanofiltration. The compounds with a small molar mass have a typical molar mass less than 250 g/mol. In one embodiment of the invention, pentose sugars are separated from hexose sugars. The invention can be applied to the recovery of xylose from spent liquors and to the recovery of betaine from sugar beet pulp extracts, for example.
    Type: Grant
    Filed: December 28, 2001
    Date of Patent: March 7, 2006
    Assignee: Danisco Sweeteners Oy
    Inventors: Heikki Heikkila, Mika Manttari, Marianne Nystrom, Mirja Lindroos, Hannu Paananen, Outi Puuppo, Hannu Koivikko
  • Patent number: 7009076
    Abstract: The invention relates to a separation process of fractionating a solution comprising betaine and sucrose by subjecting said solution to chromatographic fractionation and nanofiltration and recovering a fraction enriched in betaine and optionally a fraction enriched in sucrose. The solution to be fractionated in accordance with the present invention is typically a sugar beet-derived solution, for instance a molasses solution.
    Type: Grant
    Filed: February 25, 2003
    Date of Patent: March 7, 2006
    Assignee: Finnfeeds Finland Oy
    Inventors: Hannu Paananen, Heikki Heikkila, Outi Puuppo, Hannu Koivikko, Kaj-Erik Monten, Mika Manttäri, Marianne Nyström
  • Publication number: 20050256307
    Abstract: The present invention pertains to a chromatographic process for separating saccharide monomers from dimers and/or saccharide trimers from dimers. The separation is effected with a cation exchange resin. If saccharide monomers are separated from saccharide dimers the cation exchange resin has a high degree of crosslinking. If the saccharide dimers are separated from saccharide trimers the cation exchange resins has a low degree of crosslinking.
    Type: Application
    Filed: February 4, 2003
    Publication date: November 17, 2005
    Inventors: Vili Ravanko, Nina Mayra, Heikki Heikkila, Hannu Koivikko, Pekka Kekki, Hannu Kalliomaki, Matti Tylli, Johanna Nygren
  • Publication number: 20050211239
    Abstract: The invention relates to removing crystallization inhibitors from a solution comprising one or more reducing sugars by nanofiltration, hydrolysis and/or chromatography. The reducing sugars are typically selected from fructose and xylose.
    Type: Application
    Filed: June 26, 2003
    Publication date: September 29, 2005
    Inventors: Hannu Koivikko, Minna Kaarto, Heikki Heikkila, Mirja Lindroos, Juha Nurmi
  • Patent number: 6894199
    Abstract: The present invention relates to the production of xylitol. In particular, processes utilising L-xylose as an intermediate for xylitol production are described. The present invention also relates to process for the preparation or L-xylose, as an intermediate, by-product or end-product to be used per se.
    Type: Grant
    Filed: April 29, 2002
    Date of Patent: May 17, 2005
    Assignee: Danisco Sweeteners Oy
    Inventors: Heikki Heikkilä , Heikki Ojamo, Matti Tylli, Vili Ravanko, Juha Nurmi, Piia Haimi, Raimo Alen, Hannu Koivikko