Patents by Inventor Esa Melin

Esa Melin 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).

  • Water treatment
    Patent number: 9617170
    Abstract: The present invention relates to a process for reduction of the presence of microorganisms and/or decomposition of organic micropollutants in water using an energy source and an additive characterized in that the energy source is UV radiation and the additive comprises performic acid.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: April 11, 2017
    Assignee: Kemira Oyj
    Inventors: Tatjana Karpova, Esa Melin, Antti Vuori, Ulrik Ojstedt, Robin Gramstad, Kaj Jansson, Marko Kolari
  • Water Treatment
    Publication number: 20150034566
    Abstract: The present invention relates to a process for reduction of the presence of microorganisms and/or decomposition of organic micropollutants in water using an energy source and an additive characterised in that the energy source is UV radiation and the additive comprises performic acid.
    Type: Application
    Filed: October 16, 2014
    Publication date: February 5, 2015
    Inventors: Tatjana Karpova, Esa Melin, Antti Vuori, Ulrik Ojstedt, Robin Gramstad, Kaj Jansson, Marko Kolari