Patents by Inventor Marianne Nyström

Marianne Nyström 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).

  • Process for recovering betaine
    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
  • Recovery of xylose
    Patent number: 6872316
    Abstract: The invention relates to a process of producing a xylose solution from a biomass hydrolysate by subjecting the biomass hydrolysate to nanofiltration and recovering as the nanofiltration permeate a solution enriched in xylose. The biomass hydrolysate used as starting material is typically a spent liquor obtained from a pulping process.
    Type: Grant
    Filed: December 28, 2001
    Date of Patent: March 29, 2005
    Assignee: Danisco Sweeteners Oy
    Inventors: Heikki Heikkilä , Mika Mänttäri, Mirja Lindroos, Marianne Nyström
  • Process for purifying maltose
    Patent number: 6692577
    Abstract: The invention relates to a process for purifying a maltose-containing liquor from a undesired impurities, such as maltotriose. The process of the invention is characterized by nanofiltering said liquor and recovering a purified maltose solution as the permeate.
    Type: Grant
    Filed: December 28, 2001
    Date of Patent: February 17, 2004
    Assignee: Danisko Sweeteners Oy
    Inventors: Heikki Heikkilä, Mika Mänttäri, Mirja Lindroos, Marianne Nyström