Patents by Inventor Rafa? Gawin

Rafa? 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).

  • Organoruthenium carbide complexes as precatalysts for olefin metathesis
    Patent number: 11554365
    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: Grant
    Filed: February 22, 2022
    Date of Patent: January 17, 2023
    Assignees: APEIRON SYNTHESIS S.A.
    Inventors: Rafał Gawin, Oleksandr Burtovyy, Larry F Rhodes
  • Organoruthenium carbide complexes as precatalysts for olefin metathesis
    Patent number: 11291983
    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: Grant
    Filed: September 18, 2020
    Date of Patent: April 5, 2022
    Assignees: APEIRON SYNTHESIS S.A.
    Inventors: Rafał Gawin, Oleksandr Burtovyy, Larry F Rhodes
  • 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