Patents by Inventor Lukas METZGEN

Lukas METZGEN 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 PRODUCING 4,4`-DICHLORODIPHENYL SULFOXIDE
    Publication number: 20220098147
    Abstract: The invention relates to a process for producing 4,4?-dichlorodiphenyl sulfoxide comprising: (I) reacting thionyl chloride, chlorobenzene and aluminum chloride in a molar ratio of thionyl chloride:chlorobenzene:aluminum chloride of 1:(6 to 9):(1 to 1.5) at a temperature in the range from 0 to below 20° C., forming an intermediate reaction product and hydrogen chloride; (II) mixing aqueous hydrochloric acid and the intermediate reaction product at a temperature in the range from 70 to 110° C.
    Type: Application
    Filed: February 6, 2020
    Publication date: March 31, 2022
    Inventors: Jun GAO, Indre THIEL, Christian SCHUETZ, Lukas METZGEN, Oliver BEY, Stefan BLEI