Chemistry of inorganic compounds – Oxygen or compound thereof – Peroxide
Reexamination Certificate
2006-02-21
2006-02-21
Langel, Wayne A. (Department: 1754)
Chemistry of inorganic compounds
Oxygen or compound thereof
Peroxide
C252S182120, C423S589000, C423S590000
Reexamination Certificate
active
07001584
ABSTRACT:
The invention relates to a process for production of hydrogen peroxide according to the anthraquinone process including alternate hydrogenation and oxidation of one or more quinones selected from anthraquinones and/or tetrahydro anthraquinones in a working solution comprising at least one quinone solvent and at least one hydroquinone solvent, wherein said at least one quinone solvent comprises isodurene in an amount from 15 to 100 wt %. The invention also relates to a composition useful as a working solution at production of hydrogen peroxide.
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Wayne T. Hess, “Hydrogen Peroxide”; Kirk-Othmer Encyclopedia of Chemical Technology Fourth Edition, vol. 13, 1995, pp. 961-995, no month.
Järnvik Christina
Nyström Mats
Akzo Nobel N.V.
Langel Wayne A.
White Redway & Brown LLP
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