Patents by Inventor Anders Sparen

Anders Sparen 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 determing the organic content in pulp and paper mill effulents
    Patent number: 5842150
    Abstract: A method, based on UV/VIS/NIR/IR (including Raman spectroscopy), is provided for the qualitative and quantitative determination of quality parameters in pulp and paper and/or the organic content in effluents from pulp and paper production, by applying chemometric methods.
    Type: Grant
    Filed: April 11, 1997
    Date of Patent: November 24, 1998
    Assignee: Eka Chemicals AB
    Inventors: Lars Renberg, Anders Sparen