Patents by Inventor Reetta Taittonen

Reetta Taittonen 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 for removing lignin from water
    Patent number: 7794604
    Abstract: The invention relates to a method for removing lignin from an aqueous solution. It is accomplished by adding a calcium compound and an aluminium compound to said solution. Said calcium compound is preferably calcium chloride and said aluminium compound is preferably a polymeric aluminium hydroxide salt.
    Type: Grant
    Filed: July 8, 2005
    Date of Patent: September 14, 2010
    Assignee: Kemira Oyj
    Inventors: Heikki Palonen, Arja Paloniemi, Reetta Taittonen, Päivi Rousu
  • Method For Removing Light From Water
    Publication number: 20080149568
    Abstract: The invention relates to a method for removing lignin from an aqueous solution. It is accomplished by adding a calcium compound and an aluminium compound to said solution. Said calcium compound is preferably calcium chloride and said aluminium compound is preferably a polymeric aluminium hydroxide salt.
    Type: Application
    Filed: July 8, 2005
    Publication date: June 26, 2008
    Applicant: KEMIRA OYJ
    Inventors: Heikki Palonen, Arja Paloniemi, Reetta Taittonen, Paivi Rousu