The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 28, 2024
Filed:
Mar. 19, 2019
Applicant:
Solvay SA, Brussels, BE;
Inventors:
Juan-Teva Carlier, Sombreffe, BE;
Pierre Dournel, Brussels, BE;
Karol Lorent, Strépy-Bracquegnies, BE;
Assignee:
Solvay SA, Brussels, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 15/023 (2006.01);
U.S. Cl.
CPC ...
C01B 15/023 (2013.01);
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.