Patents by Inventor Jorg Lussmann

Jorg Lussmann 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 the production of aromatic carbodiimides
    Patent number: 5434305
    Abstract: A process for the production of aromatic carbodiimides by carbodiimidization of aromatic monoisocyanates in the presence of distillable organic phosphorus compounds as catalyst at 120.degree. to 220.degree. C. up to a maximum degree of carbodiimidization of 80% and subsequent removal by distillation of the unreacted starting isocyanate together with the catalyst from the reaction mixture, optionally together with subsequent preparation by distillation, together with the carbodiimides obtainable in accordance with this process.
    Type: Grant
    Filed: December 6, 1993
    Date of Patent: July 18, 1995
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Hans-Joachim Hennig, Wolfgang Alter, Jorg Lussmann