Patents by Inventor Wolfgang Sundermeyer

Wolfgang Sundermeyer 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).

  • Method for hydrogenating halogen-substituted silicon compounds
    Patent number: 6482381
    Abstract: Halogen-substituted silicon compounds are hydrogenated by reaction with hydrogen in a chloroaluminate salt melt as a reaction medium containing a finely divided metal capable of forming interstitial hydrides which are suspended in the melt, the finely divided interstitial metal hydrides being formed in situ in the melt by reduction of a metal halide with an electropositive element as a halogen acceptor I selected from the group consisting of magnesium, calcium and aluminum.
    Type: Grant
    Filed: September 25, 2000
    Date of Patent: November 19, 2002
    Assignee: Degussa AG
    Inventors: Wolfgang Sundermeyer, Hans Liesenhoff
  • 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
  • Process for the production of disilane from monosilane
    Patent number: 4950373
    Abstract: A process for the production of disilane from monosilane, in which a gaseous mixture of monosilane and hydrogen is subjected to a plasma discharge.
    Type: Grant
    Filed: July 11, 1989
    Date of Patent: August 21, 1990
    Assignee: Degussa Aktiengesellschaft
    Inventors: Wolfgang Sundermeyer, Michael Mueller, Hans-Juergen Klockner
  • Method for the preparation of methyltin trichloride
    Patent number: 3957839
    Abstract: Method for making methyltin trichloride by reacting methyl chloride with molten tin-(II)-chloride in a salt melt comprising one or more chlorides of certain metals.
    Type: Grant
    Filed: November 26, 1974
    Date of Patent: May 18, 1976
    Assignee: Schering Aktiengesellschaft
    Inventors: Wolfgang Sundermeyer, Axel VON Rumohr, Willi Towae, Max Buschhoff