Patent application number | Description | Published |
20090124827 | Method For Producing Tetracarboxylic Acids - A process for preparing tetracarboxylic acids of the general formula I | 05-14-2009 |
20100180802 | C10 ALKANOIC ACID GLYCIDYL ESTERS AND USE THEREOF - Glycidyl 2-propylheptanoate, glycidyl 4-methyl-2-propylhexanoate or a mixture of these (referred to collectively for short as glycidyl ester). | 07-22-2010 |
20110046401 | PROCESS FOR PREPARING GLYCIDYL ESTERS - Process for preparing glycidyl esters, wherein carbonate esters of the formula I | 02-24-2011 |
20110046413 | PROCESS FOR PREPARING 4-PENTENOIC ACID - The present invention relates to a process for preparing 4-pentenoic acid, at least comprising the oxidation of a mixture (G) comprising 4-pentenal, 3-methyl-2-butanone and cyclopentene oxide, and to the use of a mixture (G) comprising 4-pentenal, 3-methyl-2-butanone and cyclopentene oxide for preparing 4-pentenoic acid. In the context of the present invention, the mixture (G) is preferably obtained as a by-product of the oxidation of cyclopentene to cyclopentanone by means of dinitrogen monoxide. | 02-24-2011 |
20110065939 | METHOD FOR THE SEPARATION OF ACETONITRILE FROM WATER - A method for separating acetonitrile from water, comprising (i) providing a stream S1 containing at least 95 wt.-%, based on the total weight of S1, acetonitrile and water, wherein the weight ratio of acetonitrile:water is greater than 1; (ii) adding a stream P, comprising at least 95 wt.-% C3, based on the total weight of stream P, to S1 to obtain a mixed stream S2, C3 being propene optionally admixed with propane with a minimum weight ratio of propene:propane of 7:3; (iii) subjecting S2 to a temperature of 92° C. at most and a pressure of at least 10 bar, obtaining a first liquid phase L1 essentially consisting of C3, acetonitrile, and water, and a second liquid phase L2 essentially consisting of water and acetonitrile wherein the weight ratio of acetonitrile:water in L2 is less than 1; (iv) separating L1 from L2. | 03-17-2011 |
20110087038 | PROCESS AND DEVICE FOR THE OXIDATION OF ORGANIC COMPOUNDS - The invention relates to a process for the oxidation of organic compounds by means of oxygen, in which, in a first step, the organic compound and at least part of the oxygen required for the oxidation are introduced into a first reaction zone which is operated isothermally and with backmixing and, in a second step, the reaction mixture from the first reaction zone is introduced into a second reaction zone which is operated adiabatically. The invention further relates to a reactor for carrying out the process, which comprises at least one isothermal reaction zone ( | 04-14-2011 |
20110137077 | PROCESS AND APPARATUS FOR OXIDIZING ORGANIC COMPOUNDS - The invention relates to a process for oxidizing at least one organic substance with oxygen, which comprises the following steps:
| 06-09-2011 |
20120065413 | PROCESS FOR PRODUCING PROPYLENE OXIDE - A process for producing propylene oxide comprising reacting propene with hydrogen peroxide in the presence of a catalyst to give a mixture (G1) comprising propylene oxide, unreacted propene, and oxygen; separating propylene oxide from mixture (G1) to give a mixture (GII) comprising propene and oxygen; and adding hydrogen to mixture (GII) and reducing the oxygen comprised in mixture (GII) at least partially by reaction with hydrogen in the presence of a catalyst comprising copper in elemental and/or oxidic form on a support, wherein copper is present on the support in an amount of 30 to 80 wt.-% based on the whole catalyst and calculated as CuO. | 03-15-2012 |
20120142950 | PROCESS FOR THE PRODUCTION OF PROPYLENE OXIDE - A continuous process for the production of propylene oxide comprising reacting propene with hydrogen peroxide in methanolic solution in the presence of a titanium silicalite-1 catalyst to obtain propylene oxide, wherein a reaction feed comprising propene, methanol and hydrogen peroxide is introduced into a reactor, said reaction feed containing potassium cations and phosphorus in the form of anions of at least one phosphorus oxyacid. | 06-07-2012 |