Patents by Inventor Guenter Wegner

Guenter Wegner 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).

  • Preparation of ethereal solutions of arylmethyl-magnesium halides
    Patent number: 5093046
    Abstract: Ethereal solutions of arylmethylmagnesium halidesAr--CH.sub.2 --Mg--Hal I(where Ar is unsubstituted or substituted aryl and Hal is Cl or Br) are prepared by the Grignard method from an arylmethyl halide IIAr--CH.sub.2 --Hal IIand magnesium in an ether IIItert-butyl--O--R III(where R is C.sub.1 -C.sub.3 -alkyl) as solvent.
    Type: Grant
    Filed: August 31, 1990
    Date of Patent: March 3, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Reiner Kober, Rainer Seele, Thomas Zierke, Heinz Isak, Stefan Karbach, Guenter Wegner