Patents by Inventor Bente L. Laursen

Bente L. Laursen 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 of producing fluffed pulp
    Patent number: 4303471
    Abstract: The invention relates to a method at the production of absorbent cellulose pulp, so-called fluff. By using certain nonionic fatty acid esters in combination with cationic retention agents, good disintegration properties of the cellulose pulp is obtained and the fluff which is obtained after dry-defibration has fast liquid absorption.The esters, which are used, are partially fatty acid esters of polyvalent alcohols, and as cationic retention agents quaternary ammonium compounds can e.g. be used.
    Type: Grant
    Filed: July 20, 1979
    Date of Patent: December 1, 1981
    Assignee: Berol Kemi AB
    Inventor: Bente L. Laursen