Patents by Inventor Bob Horacek

Bob Horacek 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).

  • Process for deinking waste paper
    Patent number: 7731818
    Abstract: The present invention relates to a process for deinking waste paper comprising treating the waste paper with a peroxide compound in an aqueous alkaline medium in the presence of a first polymer (A) comprising a Ca-binding polymer in the form of a polycarboxylate polymer and a second polymer (B) comprising a poly-alfa-hydroxyacrylic acid or a salt thereof or the corresponding polylactone, said process additionally comprising treating the waste paper with at least one non-ionic surfactant or with at least one combination of a non-ionic surfactant and a fatty acid or a salt thereof to promote ink detachment and/or ink removal.
    Type: Grant
    Filed: June 16, 2005
    Date of Patent: June 8, 2010
    Assignee: Kemira Oyj
    Inventors: Bob Horacek, Jukka Jäkärä, Mikael Svedman
  • Process for Deinking Waste Paper
    Publication number: 20070246175
    Abstract: The present invention relates to a process for deinking waste paper comprising treating the waste paper with a peroxide compound in an aqueous alkaline medium in the presence of a first polymer (A) comprising a Ca-binding polymer in the form of a polycarboxylate polymer and a second polymer (B) comprising a poly-alfa-hydroxyacrylic acid or a salt thereof or the corresponding polylactone, said process additionally comprising treating the waste paper with at least one non-ionic surfactant or with at least one combination of a non-ionic surfactant and a fatty acid or a salt thereof to promote ink detachment and/or ink removal.
    Type: Application
    Filed: June 16, 2005
    Publication date: October 25, 2007
    Applicant: KEMIRA OYJ
    Inventors: Bob Horacek, Jukka Jakara, Mikael Svedman