Patents Represented by Attorney, Agent or Law Firm Connolly Bov Lodge & Hutz LLP
  • Modified starch
    Patent number: 6670470
    Abstract: The present invention relates to a process for the preparation of a stable, chlorine free modified starch which is useful in paper coating and sizing. In the process, starch is degraded by catalyzed hydrogen peroxide oxydation, and stabilized by acetyl esterification, combined with crosslinking of the starch.
    Type: Grant
    Filed: March 10, 2000
    Date of Patent: December 30, 2003
    Assignee: Raisio Chemicals Ltd.
    Inventors: Hannu Ketola, Peggy Hagberg