Patents by Inventor Stefan J. Czarnocki

Stefan J. Czarnocki 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).

  • Use of metal scavengers for removal of ruthenium residues
    Patent number: 9533937
    Abstract: The invention concerns use of metal scavengers of the formula (1), wherein the variables are as defined in the description of the invention, for removal of ruthenium residues, compounds, or complexes thereof, from the post-reaction mixtures, from the products of reactions catalyzed with ruthenium complexes, as well as from organic compounds contaminated with ruthenium.
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: January 3, 2017
    Assignee: Apeiron Synthesis S.A.
    Inventors: Grzegorz Szczepaniak, Stefan J. Czarnocki, Krzysztof Skowerski
  • USE OF METAL SCAVENGERS FOR REMOVAL OF RUTHENIUM RESIDUES
    Publication number: 20160297742
    Abstract: The invention concerns use of metal scavengers of the formula (1), wherein the variables are as defined in the description of the invention, for removal of ruthenium residues, compounds, or complexes thereof, from the post-reaction mixtures, from the products of reactions catalysed with ruthenium complexes, as well as from organic compounds contaminated with ruthenium.
    Type: Application
    Filed: June 24, 2014
    Publication date: October 13, 2016
    Applicant: APEIRON SYNTHESIS S.A.
    Inventors: Grzegorz Szczepaniak, Stefan J. Czarnocki, Krzysztof Skowerski