Patents by Inventor Vesa Kurula

Vesa Kurula 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).

  • Method for recovering products
    Publication number: 20020120135
    Abstract: The present invention relates to a method for recovering a monosaccharide selected from the group consisting of rhamnose, arabinose, xylose and mixtures thereof from a solution containing the same by a multistep process using chromatographic separation comprising at least one step, where a weakly acid cation exchange resin is used for the chromatographic separation.
    Type: Application
    Filed: September 28, 2001
    Publication date: August 29, 2002
    Applicant: Xyrofin Oy
    Inventors: Heikki Heikkila, Juho Jumppanen, Vesa Kurula, Vili Ravanko, Tiina Tervala, Nina Mayra
  • Method for the crystallization of fructose
    Patent number: 4938804
    Abstract: The invention relates to a method for the production of crystalline fructose. The method comprises the steps of adding ethanol to a concentrated fructose solution; evaporating the mixture to a degree of supersaturation of at least 1.02; and adding anhydrous fructose seed crystals; removing ethanol-water azeotrope at a reduced pressure while maintaining the solution at a substantially constant temperature ranging from 50.degree. C. to 75.degree. C. so as to crystallize fructose; and recovering crystallized fructose, e.g. by centrifugation.
    Type: Grant
    Filed: May 27, 1988
    Date of Patent: July 3, 1990
    Assignee: Suomen Sokeri Oy
    Inventors: Heikki Heikkila, Vesa Kurula