Patents by Inventor Satu Ikävalko

Satu Ikävalko 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).

  • Prevention of starch degradation in pulp, paper or board making processes
    Patent number: 10626559
    Abstract: The invention relates to biocidal systems comprising zinc ions and an oxidizing or non-oxidizing biocide, their use, and methods for preventing or decreasing starch degradation in starch-containing process waters from pulp, paper or board production processes.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: April 21, 2020
    Assignee: Kemira OYJ
    Inventors: Marko Kolari, Jaakko Ekman, Satu Ikävalko
  • Prevention of Starch Degradation in Pulp, Paper or Board Making Processes
    Publication number: 20190145052
    Abstract: The invention relates to biocidal systems comprising zinc ions and an oxidizing or non-oxidizing biocide, their use, and methods for preventing or decreasing starch degradation in starch-containing process waters from pulp, paper or board production processes.
    Type: Application
    Filed: July 19, 2018
    Publication date: May 16, 2019
    Inventors: Marko Kolari, Jaakko Ekman, Satu Ikävalko
  • Prevention of starch degradation in pump, paper or board making processes
    Patent number: 10053818
    Abstract: The invention relates to biocidal systems comprising zinc ions and an oxidizing or non-oxidizing biocide, their use, and methods for preventing or decreasing starch degradation in starch-containing process waters from pulp, paper or board production processes.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: August 21, 2018
    Assignee: KEMIRA OYJ
    Inventors: Marko Kolari, Jaakko Ekman, Satu Ikävalko
  • Prevention of Starch Degradation in Pump, Paper or Board Making Processes
    Publication number: 20160130765
    Abstract: The invention relates to biocidal systems comprising zinc ions and an oxidizing or non-oxidizing biocide, their use, and methods for preventing or decreasing starch degradation in starch-containing process waters from pulp, paper or board production processes.
    Type: Application
    Filed: December 15, 2015
    Publication date: May 12, 2016
    Inventors: Marko Kolari, Jaakko Ekman, Satu Ikävalko
  • Prevention of starch degradation in pulp, paper or board making processes using zinc ions and an oxidizing biocide
    Patent number: 9278874
    Abstract: The invention relates to biocidal systems comprising zinc ions and an oxidizing or non-oxidizing biocide, their use, and methods for preventing or decreasing starch degradation in starch-containing process waters from pulp, paper or board production processes.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: March 8, 2016
    Assignee: KEMIRA OYJ
    Inventors: Marko Kolari, Jaakko Ekman, Satu Ikävalko
  • Prevention of Starch Degradation in Pulp, Paper or Board Making Processes
    Publication number: 20140242191
    Abstract: The invention relates to biocidal systems comprising zinc ions and an oxidizing or non-oxidizing biocide, their use, and methods for preventing or decreasing starch degradation in starch-containing process waters from pulp, paper or board production processes.
    Type: Application
    Filed: September 28, 2012
    Publication date: August 28, 2014
    Inventors: Marko Kolari, Jaakko Ekman, Satu Ikävalko