Patents by Inventor Martina Elison

Martina Elison 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).

  • Metal complexes with heterocycles carbenes
    Patent number: 5728839
    Abstract: A complex of the formula?L.sub.a M.sub.b X.sub.c !.sup.n (A).sub.n Ias described in the application useful as homogenous catalysts.
    Type: Grant
    Filed: December 29, 1995
    Date of Patent: March 17, 1998
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Wolfgang A. Herrmann, Martina Elison, Jakob Fischer, Christian Kocher, Karl Ofele
  • Process for preparing aromatic olefins
    Patent number: 5703269
    Abstract: The preparation of aromatic olefins from haloaromatics and olefins (Heck reaction) is carried out in the presence of palladium complexes as catalysts, which complexes contain heterocyclic carbenes as ligands.
    Type: Grant
    Filed: December 29, 1995
    Date of Patent: December 30, 1997
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Wolfgang A. Herrmann, Jakob Fischer, Martina Elison, Christian Kocher
  • Process for preparing aldehydes
    Patent number: 5663451
    Abstract: A process for the hydroformylation of olefins and olefinically unsaturated compounds in the presence of cobalt or rhodium complexes which contain, as complexing ligands, heterocyclic carbenes and, if desired, further ligands.
    Type: Grant
    Filed: December 29, 1995
    Date of Patent: September 2, 1997
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Wolfgang A. Herrmann, Martina Elison, Jakob Fischer, Christian Kocher