Patents by Inventor Arno Döhring

Arno Döhring 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).

  • Catalysts containing organochromium compounds and their use for polymerizing alkenes
    Patent number: 6255418
    Abstract: Novel donor ligand substituted &eegr;5-organyl chromium complexes which, in admixture with Lewis acids, such as methylaluminoxane, form highly active polymerization catalysts for &agr;-alkenes and mixtures thereof and for mixtures of &agr;-alkenes and unsaturated alkenes with a strained double bond.
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: July 3, 2001
    Assignee: Studiengesellschaft Kohle mbH
    Inventors: Peter W. Jolly, Klaus Jonas, Glenn P. J. Verhovnik, Arno Döhring, Jan Göhre, Jan Christoph Weber