Patents by Inventor Timo Kullervo Suonpera

Timo Kullervo Suonpera 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 producing alkali metal hydroxide
    Patent number: 5651875
    Abstract: The invention concerns a method for producing an alkali metal hydroxide by a chlor-alkali electrolysis (1), wherein an alkali metal chloride solution is electrolyzed in order to form alkali metal hydroxide, chlorine and hydrogen, wherein at least a part of the alkali metal chloride used in the electrolysis is prepared by neutralizing (2) an alkali metal carbonate with chlorine or hydrogen chloride.
    Type: Grant
    Filed: November 16, 1995
    Date of Patent: July 29, 1997
    Assignee: EKA Chemicals OY
    Inventors: Timo Kullervo Suonpera, Keijo Allan Ukkonen, Erkki Matti Keskitalo