Patents by Inventor Karol Lorent

Karol Lorent 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).

  • Patent number: 11993513
    Abstract: Process for manufacturing an aqueous hydrogen peroxide solution comprising the following steps: —hydrogenating a working solution which comprises an alkylanthraquinone and/or tetrahydroalkylanthraquinone and a mixture of a non-polar organic solvent and a polar organic solvent wherein the concentration of non-polar organic solvent in said mixture is equal to or higher than 30 wt %; —oxidizing the hydrogenated working solution to produce hydrogen peroxide; and—isolating the hydrogen peroxide, wherein the polar organic solvent is a substituted cyclohexane carbonitrile.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: May 28, 2024
    Assignee: Solvay SA
    Inventors: Juan-Teva Carlier, Pierre Dournel, Karol Lorent
  • Publication number: 20220274913
    Abstract: A process for manufacturing a substituted cyclohexanecarbonitrile said process comprising the following steps: —reacting the corresponding substituted cyclohexanecarboxylic acid with thionyl chloride to make the corresponding acyl chloride; and simultaneously or subsequently —reacting the chloride with sulfonamide in sulfolane as solvent to make the substituted cyclohexanecarbonitrile.
    Type: Application
    Filed: September 11, 2020
    Publication date: September 1, 2022
    Inventors: Karol LORENT, Juan-Teva CARLIER, Simon GUELEN
  • Publication number: 20220274833
    Abstract: A process for manufacturing an aqueous hydrogen peroxide solution comprising the following steps:—hydrogenating a working solution which comprises an alkylanthraquinone and/or tetrahydroalkylanthraquinone and a mixture of a non-polar organic solvent and a polar organic solvent;—oxidizing the hydrogenated working solution to produce hydrogen peroxide; and—isolating the hydrogen peroxide, wherein the polar organic solvent is 5-methyl-2-isopropylcyclohexanecarbonitrile (C11F).
    Type: Application
    Filed: September 11, 2020
    Publication date: September 1, 2022
    Inventor: Karol LORENT
  • Publication number: 20210047182
    Abstract: Process for manufacturing an aqueous hydrogen peroxide solution comprising the following steps: —hydrogenating a working solution which comprises an alkylanthraquinone and/or tetrahydroalkylanthraquinone and a mixture of a non-polar organic solvent and a polar organic solvent wherein the concentration of non-polar organic solvent in said mixture is equal to or higher than 30 wt %; —oxidizing the hydrogenated working solution to produce hydrogen peroxide; and —isolating the hydrogen peroxide, wherein the polar organic solvent is a substituted cyclohexane carbonitrile.
    Type: Application
    Filed: March 19, 2019
    Publication date: February 18, 2021
    Inventors: Juan-Teva CARLIER, Pierre DOURNEL, Karol LORENT
  • Publication number: 20070037990
    Abstract: Process for manufacturing an organic compound comprising at least one oxygenated functional group, according to which an organic precursor comprising an oxidizable functionality is subjected to a reaction with an imidoaromatic percarboxylic acid.
    Type: Application
    Filed: June 2, 2004
    Publication date: February 15, 2007
    Inventors: Olivier Buyle, Veronique Mathieu, Karol Lorent