Patents by Inventor Krzysztof Skowerski

Krzysztof Skowerski 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).

  • Organoruthenium complexes as precatalysts for olefin metathesis
    Patent number: 11939410
    Abstract: Embodiments in accordance with the present invention encompass an organoruthenium compound of the formula I: (I) wherein X, Y, L1, L2, R1, R2, R3, R4 and R5 are as defined herein. Also disclosed herein are the use of organoruthenium compound of the formula I as (pre)catalysts for the olefin metathesis reactions, as well as to the process for carrying out the olefin metathesis reaction.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: March 26, 2024
    Assignee: APEIRON SYNTHESIS S.A.
    Inventors: Krzysztof Skowerski, Michal Chwalba, Anna Gawin, Rafal Gawin, Patryk Krajczy
  • PROCESS FOR PRODUCING RUTHENIUM COMPLEXES AND INTERMEDIATES THEREOF AND THEIR USE IN OLEFIN METATHESIS
    Publication number: 20240076308
    Abstract: The invention provides a new process for producing ruthenium complexes represented by the Formula 1. Invention provides also the use of ruthenium complexes represented by the Formula 1 as precatalysts and/or catalysts in olefin metathesis reactions.
    Type: Application
    Filed: August 16, 2023
    Publication date: March 7, 2024
    Inventors: Krzysztof Skowerski, Rafal Gawin
  • NEW USE OF METAL COMPLEXES HAVING ORGANIC LIGANDS FOR ACTIVATING OLEFIN METATHESIS RUTHENIUM (PRE)CATALYSTS
    Publication number: 20220177612
    Abstract: Use of compounds selected from copper complexes having at least one organic ligand and ruthenium complexes having at least one organic ligand, for activating olefin metathesis ruthenium (pre)catalysts in a metathesis reaction, in particular in the ring opening metathesis polymerization reaction (ROMP).
    Type: Application
    Filed: March 31, 2020
    Publication date: June 9, 2022
    Inventors: Michal Chwalba, Konrad Kurcbach, Krzysztof Greda, Rafal Gawin, Krzysztof Skowerski
  • Process for producing ruthenium complexes and intermediates thereof and their use in olefin metathesis
    Patent number: 11192911
    Abstract: The invention provides a new process for producing ruthenium complexes represented by the Formula 1. Invention provides also the use of ruthenium complexes represented by the Formula 1 as precatalysts and/or catalysts in olefin metathesis reactions.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: December 7, 2021
    Assignee: Apeiron Synthesis S.A.
    Inventors: Krzysztof Skowerski, Rafał Gawin
  • ORGANORUTHENIUM COMPLEXES AS PRECATALYSTS FOR OLEFIN METATHESIS
    Publication number: 20210269565
    Abstract: Embodiments in accordance with the present invention encompass an organoruthenium compound of the formula I: (I) wherein X, Y, L1, L2, R1, R2, R3, R4 and R5 are as defined herein. Also disclosed herein are the use of organoruthenium compound of the formula I as (pre)catalysts for the olefin metathesis reactions, as well as to the process for carrying out the olefin metathesis reaction.
    Type: Application
    Filed: June 11, 2019
    Publication date: September 2, 2021
    Inventors: Krzysztof Skowerski, Michal Chwalba, Anna Gawin, Rafal Gawin, Patryk Krajczy
  • USE OF N-CHELATING RUTHENIUM COMPLEXES IN THE METATHESIS REACTION
    Publication number: 20210237045
    Abstract: The subject matter of the invention is the use of a ruthenium complex of the formula 1, wherein the individual substituents have meanings as indicated in the olefin metathesis reactions description, including a reaction selected from such as ring-closing metathesis (RCM), homometathesis (self-CM) or cross metathesis (CM).
    Type: Application
    Filed: July 10, 2019
    Publication date: August 5, 2021
    Inventors: Rafal Gawin, Patryk Krajczy, Anna Gawin, Krzysztof Skowerski
  • Use of ruthenium complexes in olefin metathesis reaction
    Patent number: 10974236
    Abstract: The invention relates to the use of ruthenium complexes, which are homogeneous catalysts and/or precatalysts of the olefin metathesis reaction, which lead to the production of alkenes containing an internal (non-terminal) double C?C bond.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: April 13, 2021
    Assignee: APEIRON SYNTHESIS S.A.
    Inventors: Krzysztof Skowerski, Rafal Gawin, Michal Pawel Chwalba
  • NOVEL RUTHENIUM COMPLEXES AND THEIR USE IN OLEFIN METATHESIS REACTIONS
    Publication number: 20210101922
    Abstract: The invention relates to a ruthenium complex of formula (1), (1) wherein all variables have a meaning as defined in the specification to be used as a (pre)catalyst in the olefin metathesis reaction, ring metathesis reaction (RCM), homometathesis (self-CM), cross-metathesis including ethanolysis (CM).
    Type: Application
    Filed: April 16, 2019
    Publication date: April 8, 2021
    Inventors: Rafal GAWIN, Patryk KRAJCZY, Anna GAWIN, Krzysztof SKOWERSKI
  • USE OF RUTHENIUM COMPLEXES IN OLEFIN METATHESIS REACTION
    Publication number: 20190291089
    Abstract: The invention relates to the use of ruthenium complexes, which are homogeneous catalysts and/or precatalysts of the olefin metathesis reaction, which lead to the production of alkenes containing an internal (non-terminal) double C?C bond.
    Type: Application
    Filed: November 9, 2017
    Publication date: September 26, 2019
    Applicant: APEIRON SYNTHESIS S.A.
    Inventors: Krzysztof SKOWERSKI, Rafal GAWIN, Michal Pawel CHWALBA
  • PROCESS FOR PRODUCING RUTHENIUM COMPLEXES AND INTERMEDIATES THEREOF AND THEIR USE IN OLEFIN METATHESIS
    Publication number: 20180298046
    Abstract: The invention provides a new process for producing ruthenium complexes represented by the Formula 1. Invention provides also the use of ruthenium complexes represented by the Formula 1 as precatalysts and/or catalysts in olefin metathesis reactions.
    Type: Application
    Filed: July 27, 2016
    Publication date: October 18, 2018
    Applicant: APEIRON SYNTHESIS S.A.
    Inventors: Krzysztof SKOWERSKI, Rafal Gawin
  • 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
  • Metal complexes, their application and methods of carrying out of metathesis reaction
    Patent number: 9527877
    Abstract: This disclosure relates to new metal complexes, such as compounds of Formula 1, and their application in olefin or alkyne metathesis and to methods of carrying out olefin metathesis reactions.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: December 27, 2016
    Assignee: APEIRON SYNTHESIS S.A.
    Inventors: Krzysztof Skowerski, Michal Bieniek
  • 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
  • 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 reactions
    Patent number: 9403738
    Abstract: Described herein an apparatus and methods used to remove unwanted by-products of metathesis reactions.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: August 2, 2016
    Assignee: APEIRON CATALYSTS SP. ZO.O
    Inventor: Krzysztof Skowerski
  • 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
  • Ruthenium complexes, their use in the metathesis reactions, and a process for carrying out the metathesis reaction
    Patent number: 9328132
    Abstract: The invention is related to the metal complexes of the general formula (1). The invention is related also to the use of metal complexes of the formula 1 as (pre)catalysts for the olefin metathesis reactions, as well as to the process for carrying out the olefin metathesis reaction.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: May 3, 2016
    Assignee: APEIRON SYNTHESIS S.A.
    Inventors: Krzysztof Skowerski, Michal Bieniek
  • 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
  • NOVEL RUTHENIUM COMPLEXES, THEIR USE IN THE METATHESIS REACTIONS, AND A PROCESS FOR CARRYING OUT THE METATHESIS REACTION
    Publication number: 20150158896
    Abstract: The invention is related to the metal complexes of the general formula (1). The invention is related also to the use of metal complexes of the formula 1 as (pre)catalysts for the olefin metathesis reactions, as well as to the process for carrying out the olefin metathesis reaction.
    Type: Application
    Filed: July 26, 2013
    Publication date: June 11, 2015
    Inventors: Krzysztof Skowerski, Michal Bieniek
  • Metal Complexes, Their Application and Methods of Carrying out of Metathesis Reaction
    Publication number: 20150126744
    Abstract: This disclosure relates to new metal complexes, such as compounds of Formula 1, and their application in olefin or alkyne metathesis and to methods of carrying out olefin metathesis reactions.
    Type: Application
    Filed: December 12, 2014
    Publication date: May 7, 2015
    Inventors: Krzysztof Skowerski, Michal Bieniek