Patents by Inventor Ralf Klaus Hinsken

Ralf Klaus Hinsken has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for discharging low boilers during the production of dialkyl terephthalates or dialkyl phthalates
    Publication number: 20220380294
    Abstract: A process discharges low boilers during production of dialkyl terephthalates or dialkyl phthalates having C8 to C11 alkyl radicals. The production is carried out using a C8 to C11 alcohol or a mixture of two or more C8 to C11 alcohols in one or more reactors. The low boilers formed during the reaction are separated off by an efficient process and thus cannot accumulate.
    Type: Application
    Filed: May 25, 2022
    Publication date: December 1, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Dietmar Gubisch, Ralf Klaus Hinsken, Johannes Kraft, Thomas Schneider