公开(公告)号：US20220274913A1

公开(公告)日：2022-09-01

申请号：US17637468

申请日：2020-09-11

Applicant: SOLVAY SA

Inventor： Karol LORENT ,  Juan-Teva CARLIER ,  Simon GUELEN

IPC: C07C255/46 ,  C07C253/00

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.

公开(公告)号：US20220274833A1

公开(公告)日：2022-09-01

申请号：US17637470

申请日：2020-09-11

Applicant: SOLVAY SA

Inventor： Karol LORENT

IPC: C01B15/023 ,  C07C253/16 ,  C07C67/14

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).

公开(公告)号：US20210047182A1

公开(公告)日：2021-02-18

申请号：US16981366

申请日：2019-03-19

Applicant: SOLVAY SA

Inventor： Juan-Teva CARLIER ,  Pierre DOURNEL ,  Karol LORENT

IPC: C01B15/023

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.