Patents by Inventor Stefan Czarnocki

Stefan 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).

  • Ruthenium complexes, method of their production and their usage
    Patent number: 9610572
    Abstract: The invention concerns the ruthenium complexes of the formula 1: acting as pre(catalysts) in the reaction of metathesis of olefins, as well as a method for their production, and their usage.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: April 4, 2017
    Assignee: Apeiron Synthesis Spolka Akcyjna
    Inventors: Karol Grela, Stefan Czarnocki
  • Metathesis catalysts containing onium groups
    Patent number: 9403860
    Abstract: Disclosed herein is a general method for the preparation of complexes containing a quaternary onium group in an inert ligand. Some of these complexes may be represented by formula 1: Methods for the preparation of complexes of formula 1, the preparation of intermediates and the use of complexes of formula 1 in metathesis reactions and a method for conducting an olefin metathesis reaction are also described.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: August 2, 2016
    Assignee: Apeiron Synthesis S.A.
    Inventors: Krzysztof Skowerski, Lukasz Gulajski, Michal Bieniek, Stefan Czarnocki, Grzegorz Szczpaniak, Celina Wierzbicka
  • Metathesis catalysts containing onium groups
    Patent number: 9371345
    Abstract: Disclosed herein is a general method for the preparation of complexes containing a quaternary onium group in an inert ligand. Some of these complexes may be represented by formula 1: Methods for the preparation of complexes of formula 1, the preparation of intermediates and the use of complexes of formula 1 in metathesis reactions and a method for conducting an olefin metathesis reaction are also described.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: June 21, 2016
    Assignee: Apeiron Synthesis S.A.
    Inventors: Krzysztof Skowerski, Lukasz Gulajski, Michal Bieniek, Stefan Czarnocki, Grzegorz Szczpaniak, Celina Wierzbicka
  • NOVEL RUTHENIUM COMPLEXES, METHOD OF THEIR PRODUCTION AND THEIR USAGE
    Publication number: 20150329576
    Abstract: The invention concerns the ruthenium complexes of the formula 1: acting as pre(catalysts) in the reaction of metathesis of olefins, as well as a method for their production, and their usage.
    Type: Application
    Filed: November 14, 2013
    Publication date: November 19, 2015
    Inventors: Karol Grela, Stefan Czarnocki
  • Metathesis Catalysts Containing Onium Groups
    Publication number: 20150274763
    Abstract: Disclosed herein is a general method for the preparation of complexes containing a quaternary onium group in an inert ligand. Some of these complexes may be represented by formula 1: Methods for the preparation of complexes of formula 1, the preparation of intermediates and the use of complexes of formula 1 in metathesis reactions and a method for conducting an olefin metathesis reaction are also described.
    Type: Application
    Filed: June 4, 2015
    Publication date: October 1, 2015
    Inventors: Krzysztof Skowerski, Lukasz Gulajski, Michal Bieniek, Stefan Czarnocki, Grzegorz Szczpaniak, Celina Wierzbicka