Patent · US Active

Process for manufacturing an aqueous hydrogen peroxide solution

US11993513B2 · kind B2 · utility

0Cited by

7References

19Claims

0Family size

Assignee

SOLVAY SA · BE

Inventors

Juan-Teva Carlier · Tongrinne, BE
Pierre Dournel · Brussels, BE
Karol Lorent · Strépy-Bracquegnies, BE

Key dates

Filing date	Mar 19, 2019
Grant date	May 28, 2024
Priority date	—
Expiry date	Aug 19, 2041

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC01B15/023
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.