Patents Assigned to OXENO OLEFINCHEMIE BMBH
  • Publication number: 20070060768
    Abstract: A process for preparing benzoic esters whose alkoxy groups have from 7 to 13 carbon atoms by reacting benzoic acid with at least one alcohol having from 7 to 13 carbon atoms, the water of reaction formed being removed during the esterification reaction by distillation, and the alcohol not converted in the esterification reaction being removed after the esterification reaction, in which the reaction takes place in the presence of a tin(II) compound as catalyst and, without treatment with a base, the catalyst and/or its derivatives is/are separated off by filtering or by centrifuging from the reaction mixture which remains after the unconverted alcohol has been separated off.
    Type: Application
    Filed: August 20, 2004
    Publication date: March 15, 2007
    Applicant: OXENO OLEFINCHEMIE BMBH
    Inventors: Michael Grass, Dietmar Gubisch, Michael Woelk-Fahrmann