Class 423/587 - From organic reactant

Subclass of Class 423 - Chemistry of inorganic compounds
Definition: Processes wherein the preparation of hydrogen peroxide includes
No. of patents: 19
Last issue date: 08/26/2008

Number	Title	Issue Date
7416718	Auto-oxidation production of hydrogen peroxide via oxidation in a microreactor Hydrogen peroxide is prepared by an auto-oxidation method via oxidation in a microreactor. A working solution containing a reactive carrier compound is hydrogenated with hydrogen in a first step and is subsequently oxidized in a microreactor to produce hydrogen pero...	08/26/2008
7147833	Method for producing hydrogen peroxide from hydrogen and oxygen The invention relates to a method and apparatus for safely producing hydrogen peroxide by injecting dispersed minute bubbles of hydrogen and oxygen into a rapidly flowing liquid medium. The liquid medium can contain either a water-soluble organic compound, a water-i...	12/12/2006
6761874	Process for the preparation of hydrogen peroxide The invention provides a process for the preparation of hydrogen peroxide by hydrogenating 3-2-(oxopropyl)-2(1H)-quinoxalinone in the presence of a palladium catalyst and contacting the 3-2-(oxopropyl)-1,2,3,4-tetrahydro-2-quinoxalinone with oxidant molecular oxygen...	07/13/2004
6521767	Method for suspension hydrogenation of an anthraquinone compound in a special reactor in order to produce hydrogen peroxide In a process for the suspension hydrogenation of an anthraquinone compound or a mixture of two or more thereof in a reactor in which there are present the working solution in which at least one catalyst is suspended and, in addition, a hydrogen-containing...	02/18/2003
6355815	Method of producing hydrogen peroxide and reaction promoters therefor A cyclic anthraquinone process for producing hydrogen peroxide using at least two differently substituted 2-alkylanthraquinones and/or their tetrahydro derivatives. The working solution to be used contains (i) at least one reaction carrier from the series...	03/12/2002
6274114	Process for on-site production of ultra-high-purity hydrogen peroxide for the electronics industry Process for preparing hydrogen peroxide, comprising the following steps: a) a step of reduction of dioxygen in acidic medium with a hydrophobic organometallic complex, and b) a step of separation of the oxidized organometallic complex resulting from step a) an...	08/14/2001
6224845	Process for manufacturing an aqueous hydrogen peroxide solution Process for manufacturing a purified aqueous hydrogen peroxide solution, in which a crude aqueous hydrogen peroxide solution is subjected to a washing operation with at least one organic solvent which has been subjected to a purification treatment prior t...	05/01/2001
5972305	Direct manufacturing method of hydrogen peroxide The invention herein relates to a direct manufacturing method of hydrogen peroxide over zeolite, wherein transition metals such as palladium or platinum, and organic compounds such as 2-alkyl anthraquinone or the like are encapsulated onto the zeolite cha...	10/26/1999
5962711	Hydrogenation of substrate and products manufactured according to the process A typical traditional reactor for hydrogenation consists of a tank filled with a liquid and a gas and a small particle catalyst. The reaction is carried out at high pressures and high temperatures. Lack of gas on the catalyst surface limits the velocity o...	10/05/1999
5876666	Method of hydrogen peroxide plasma sterilization An apparatus and process for hydrogen peroxide vapor sterilization of medical instruments and similar devices make use of hydrogen peroxide vapor released from a substantially non-aqueous organic hydrogen peroxide complex, such as a urea-peroxide complex....	03/02/1999
5785934	Vapor sterilization using inorganic hydrogen peroxide complexes An apparatus and process for hydrogen peroxide vapor sterilization of medical instruments and similar devices make use of hydrogen peroxide vapor released from an inorganic hydrogen peroxide complex. The peroxide vapor can be released at room temperature ...	07/28/1998
5674450	Vapor sterilization using a non-aqueous source of hydrogen peroxide An apparatus and process for hydrogen peroxide vapor sterilization of medical instruments and similar devices make use of hydrogen peroxide vapor released from a substantially non-aqueous organic hydrogen peroxide complex, such as a urea-peroxide complex....	10/07/1997
5545391	Removal of hydrogen sulphide Hydrogen sulphide can be removed from a gaseous stream by contact with a 2,3-dialkyl substituted naphthoquinone in the presence of a catalytic amount of an amine catalyst dissolved in a hydrophobic organic solvent system, with consequential formation of a...	08/13/1996
5376353	Method for the production of H₂ O₂ using Fullerenes This invention is a process for the production of H2 O2 using fullerene. The process involves the hydrogenation of the fullerenes and the reaction of the hydrogenated fullerenes with O2 to produce H2 O2.	12/27/1994
4686010	Process for the production of non-aqueous hydrogen peroxide solutions and their use The production of solutions of hydrogen peroxide in phenol or its derivatives, e.g. hydrocarbyl substituted phenols, halo substituted phenols or phenol ethers, is carried out in a single step. Practically no loss of hydrogen peroxide occurs since a total ...	08/11/1987
4547354	Process for preparing hydrogen peroxide An improved process for the acid-catalyzed hydrolysis tertiary butyl hydroperoxide to form hydrogen peroxide wherein an organic solvent is added to the hydrolysis zone, which solvent promotes the partitioning of hydrogen peroxide and oxidizable organic ma...	10/15/1985
4131646	Preparation of hydrogen peroxide from dihydroanthracene hydroperoxides In a process for the manufacture of hydrogen peroxide wherein a compound containing the anthracene nucleus is hydrogenated to the corresponding 9,10-dihydroanthracene and the resulting 9,10-dihydroanthracene is oxidized to the corresponding 9-(or 10-) hyd...	12/26/1978
4059619	Process for the preparation of percarboxylic acid solutions Process for continuous production of substantially anhydrous solutions of perpropionic acid in benzene. Aqueous hydrogen peroxide is first reacted with propionic acid in the presence of acid catalyst to form perpropionic acid and water (1). The perpropion...	11/22/1977
4010195	Process for producing methyl p-toluate P-Tolualdehyde freed from reaction-inhibiting substances is autooxidized by a gas containing molecular oxygen in an aliphatic ketone or fatty acid ester solvent under pressure in the absence of catalyst to produce per-p-toluic acid. The resulting per-p-to...	03/01/1977

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Class 423/587 - From organic reactant