Patents Assigned to Nidera Sociedad Anonima
  • Method for the production of MDF boards based on sunflower seed husks
    Patent number: 5663221
    Abstract: Medium density fiber boards having sufficient physical strength are made from sunflower seed husks by an efficient method. The method of forming the boards involves impregnanting sunflower seed husks with steam, digesting so as to de-fibrate the husks, mixing the de-fibrated sunflower seed husks with a resin, drying the mixture and pressing the dried mixture into a medium density fiber board.
    Type: Grant
    Filed: February 26, 1996
    Date of Patent: September 2, 1997
    Assignee: Nidera Sociedad Anonima
    Inventor: Demetrio Carlos Barcas