Patents by Inventor Rune Kjell Andersson

Rune Kjell Andersson 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).

  • Filler for paper making process
    Patent number: 9657441
    Abstract: The present invention relates to a filler comprising clay and cellulose derivative having a degree of substitution of net ionic groups up to about 0.65.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: May 23, 2017
    Assignee: Akzo Nobel N.V.
    Inventors: Erik Sanne, Rune Kjell Andersson, Johan Nyander
  • FILLER FOR PAPER MAKING PROCESS
    Publication number: 20140360692
    Abstract: The present invention relates to a filler comprising clay and cellulose derivative having a degree of substitution of net ionic groups up to about 0.65.
    Type: Application
    Filed: August 21, 2014
    Publication date: December 11, 2014
    Inventors: ERIK SANNE, RUNE KJELL ANDERSSON, JOHAN NYANDER
  • Filler for paper making process
    Patent number: 8828188
    Abstract: The present invention relates to a filler comprising clay and cellulose derivative having a degree of substitution of net ionic groups up to about 0.65.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: September 9, 2014
    Assignee: Akzo Nobel N.V.
    Inventors: Erik Sanne, Rune Kjell Andersson, Johan Nyander
  • FILLER FOR PAPER MAKING PROCESS
    Publication number: 20120291671
    Abstract: The present invention relates to a filler comprising clay and cellulose derivative having a degree of substitution of net ionic groups up to about 0.65.
    Type: Application
    Filed: July 27, 2012
    Publication date: November 22, 2012
    Inventors: Erik SANNE, Rune Kjell ANDERSSON, Johan NYANDER
  • Filler for paper making process
    Patent number: 8252143
    Abstract: The present invention relates to a filler comprising clay and cellulose derivative having a degree of substitution of net ionic groups up to about 0.65.
    Type: Grant
    Filed: June 10, 2005
    Date of Patent: August 28, 2012
    Assignee: Akzo Nobel N.V.
    Inventors: Erik Sanne, Rune Kjell Andersson, Johan Nyander