Patents by Inventor Rafal GAWIN

Rafal GAWIN 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 ruthenium complexes and intermediates thereof and their use in olefin metathesis
    Patent number: 11976085
    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: October 28, 2021
    Date of Patent: May 7, 2024
    Assignee: Aperion Synthesis S.A.
    Inventors: Krzysztof Skowerski, Rafal Gawin
  • 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
  • Novel ruthenium complexes, methods of their preparation and application thereof in olefin cross metathesis
    Publication number: 20230322830
    Abstract: Novel ruthenium complexes of general formula 4 in which the substituents are defined herein. The present disclosure relates also to methods for preparing such compounds and use thereof as catalysts and/or (pre)catalysts in olefin cross metathesis.
    Type: Application
    Filed: August 17, 2021
    Publication date: October 12, 2023
    Applicant: Apeiron Synthesis S.A.
    Inventors: Rafal GAWIN, Andrzej Jan TRACZ, Patryk KRAJCZY
  • ORGANORUTHENIUM CARBIDE COMPLEXES AS PRECATALYSTS FOR OLEFIN METATHESIS
    Publication number: 20220176362
    Abstract: Embodiments in accordance with the present invention encompass an organoruthenium compound of the formula (I) or formula (II): Wherein X, L, R1, R2, R3, R4, R5, Ar1 and Ar2 are as defined herein. Also disclosed herein are the use of organoruthenium compound of formula (I) or formula (II) as (pre)catalysts for the olefin metathesis reactions, as well as to the process for carrying out the olefin metathesis reaction.
    Type: Application
    Filed: February 22, 2022
    Publication date: June 9, 2022
    Applicants: APEIRON SYNTHESIS S. A., PROMERUS, LLC
    Inventors: RAFAL GAWIN, OLEKSANDR BURTOVYY, LARRY F. RHODES
  • 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
    Publication number: 20220073549
    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: October 28, 2021
    Publication date: March 10, 2022
    Inventors: Krzystof Skowerski, Rafal 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
  • ORGANORUTHENIUM CARBIDE COMPLEXES AS PRECATALYSTS FOR OLEFIN METATHESIS
    Publication number: 20210077988
    Abstract: Embodiments in accordance with the present invention encompass an organoruthenium compound of the formula (I) or formula (II): Wherein X, L, R1, R2, R3, R4, R5, Ar1 and Ar2 are as defined herein. Also disclosed herein are the use of organoruthenium compound of the formula (I) or formula (II) as (pre)catalysts for the olefin metathesis reactions, as well as to the process for carrying out the olefin metathesis reaction.
    Type: Application
    Filed: September 18, 2020
    Publication date: March 18, 2021
    Applicants: APEIRON SYNTHESIS S. A., PROMERUS, LLC
    Inventors: RAFAL GAWIN, OLEKSANDR BURTOVYY, LARRY F RHODES
  • 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
  • Novel Ruthenium Complexes, A Method Of Producing Them, And Their Use In Olefin Metathesis
    Publication number: 20150298113
    Abstract: The subject of the present invention are novel, chiral non-racemic ruthenium complexes defined by the general Formula 1, The present invention also relates to methods of manufacturing of a novel, chiral non-racemic ruthenium complexes defined by the general Formula 1 as well as their use in asymmetric olefin metathesis reactions.
    Type: Application
    Filed: March 25, 2013
    Publication date: October 22, 2015
    Inventors: Karol GRELA, Rafal GAWIN, Michal PIECZYKOLAN