Patents Assigned to Stora Kopparbergs Bergslags Aktiebolaf
  • Method for the preparation of defibered cellulose products
    Patent number: 5779857
    Abstract: Defibrated cellulose product comprising a fibrous structure having good compressibility under the influence of heat and pressure. The structure is obtained by cross-linking, in a dry state, cellulose fibers which are impregnated with cross-linking agent and at least one polyfunctional alcohol, and which a difibrated prior to carrying out the cross-linking reaction. The cross-linking reaction is carried out at an elevated temperature of at least 110.degree. C.
    Type: Grant
    Filed: November 30, 1995
    Date of Patent: July 14, 1998
    Assignee: Stora Kopparbergs Bergslags Aktiebolaf
    Inventor: Leif Norlander