Patents Assigned to Messer Greisheim
  • Process for the production of gallium-alkyl compounds
    Patent number: 5043462
    Abstract: Gallium-alkyl compounds are produced, in that gallium-halogen compounds are reacted with alkyl aluminum halogenides in the presence of metal halogenides as auxiliary bases. Preference is given to the use of the corresponding chlorides and to the chlorides of the metals of groups I to III of the periodical table as auxiliary bases.
    Type: Grant
    Filed: April 27, 1990
    Date of Patent: August 27, 1991
    Assignee: Messer Greisheim
    Inventors: Wolfgang Sundermeyer, Thomas Cymniak, Manfred Eschwey