Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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Filing date
Publication date
Priority claimed from DE19691945735external-prioritypatent/DE1945735A1/en
Application filed by Degussa GmbH, Deutsche Gold und Silber ScheideanstaltfiledCriticalDegussa GmbH
Publication of ES382831A1publicationCriticalpatent/ES382831A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Procedure for the preparation of hydrogen peroxide solutions according to the anthraquinone procedure at a concentration of H2O2 in the crude extraction product greater than 35%, preferably between 40 and 55%, characterized in that working solutions are used that a) in reaction vehicle grade contain quinone derivatives with a molecular weight below 275, b) provide H202 capacities below 15 H2O2/liter working solution, and c) have partition coefficients with values above 30, preferably above 40. (Machine-translation by Google Translate, not legally binding)
ES382831A1969-09-101970-08-18Procedure for the preparation of hydrogen peroxide. (Machine-translation by Google Translate, not legally binding)
ExpiredES382831A1
(en)