Patents by Inventor Christina Lindqvist

Christina Lindqvist 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 the fractionation of sugar beet pulp
    Patent number: 6663717
    Abstract: The invention relates to a method of simultaneous purification and separation of pectin and pectic sugars/oligomers from sugar beet pulp using a multi-step process in an aqueous solution. The method comprises hydrolysis of the sugar beet pulp, solids separation from the sugar beet pulp hydrolysate as well as fractionation and desalting of the aqueous solution of the sugar beet pulp hydrolysate thus obtained into a desalted solution enriched in pectin and a desalted solution enriched in pectic sugars/oligomers. The process may also comprise optional further steps, such as clarification, adsorption, concentration and further chromatographic treatment.
    Type: Grant
    Filed: March 6, 2002
    Date of Patent: December 16, 2003
    Assignee: Danisco Sugar Oy
    Inventors: Tapio Juhani Antila, Timo Väkeväinen, Christina Lindqvist, Hannu Koivikko, Matti Tylli, Juho Jumppanen, Pertti Walliander, Nina Mäyrä
  • Chromatographic fractionation of vegetable material
    Patent number: 6660099
    Abstract: The invention relates to chromatographic fractionation of pectin-containing vegetable material, such as sugar beet pulp. In the method of the invention, a pectin-containing hydrolysate is chromatographically separated into a pectin fraction, a salt fraction and a sugar fraction. The method is carried out by using a cation exchange resin, which is preferably in the form of a multivalent metal.
    Type: Grant
    Filed: March 6, 2002
    Date of Patent: December 9, 2003
    Assignee: Danisco Sugar Oy
    Inventors: Tapio Juhani Antila, Timo Väkeväinen, Christina Lindqvist, Hannu Koivikko, Matti Tylli, Juho Jumppanen
  • Process for the fractionation of sugar beet pulp
    Publication number: 20020189606
    Abstract: The invention relates to a method of simultaneous purification and separation of pectin and pectic sugars/oligomers from sugar beet pulp using a multi-step process in an aqueous solution. The method comprises hydrolysis of the sugar beet pulp, solids separation from the sugar beet pulp hydrolysate as well as fractionation and desalting of the aqueous solution of the sugar beet pulp hydrolysate thus obtained into a desalted solution enriched in pectin and a desalted solution enriched in pectic sugars/oligomers. The process may also comprise optional further steps, such as clarification, adsorption, concentration and further chromatographic treatment.
    Type: Application
    Filed: March 6, 2002
    Publication date: December 19, 2002
    Applicant: Danisco Sugar Oy
    Inventors: Tapio Juhani Antila, Timo Vakevainen, Christina Lindqvist, Hannu Koivikko, Matti Tylli, Juho Jumppanen, Pertti Walliander, Nina Mayra
  • Chromatographic fractionation of vegetable material
    Publication number: 20020150652
    Abstract: The invention relates to chromatographic fractionation of pectin-containing vegetable material, such as sugar beet pulp. In the method of the invention, a pectin-containing hydrolysate is chromatographically separated into a pectin fraction, a salt fraction and a sugar fraction. The method is carried out by using a cation exchange resin, which is preferably in the form of a multivalent metal.
    Type: Application
    Filed: March 6, 2002
    Publication date: October 17, 2002
    Applicant: Danisco Sugar Oy
    Inventors: Tapio Juhani Antila, Timo Vakevainen, Christina Lindqvist, Hannu Koivikko, Matti Tylli, Juho Jumppanen
  • Raw material for use in the preparation of pectin and related compounds, and a method for the preparation of same
    Patent number: 6447614
    Abstract: The invention relates to a raw material for use in the preparation of pectin and related compounds, the raw material being pressed, stabilized sugar beet pulp subjected to biotechnical pre-treatment. In accordance with the invention the raw material is prepared by pre-treating fresh pressed sugar beet pulp by lowering the pH to a value between 3.5 and 4.5 (preferably 3.9 and 4.3) and subsequently storing the obtained acid pulp in tight, i.e. substantially oxygen-free conditions.
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: September 10, 2002
    Assignee: Sohkar Oy
    Inventors: Juhani Kuusisto, Irma Christina Lindqvist, Juhani Antila