Patents by Inventor Gerardus P. M. Van Mier

Gerardus P. M. Van Mier 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).

  • Process for the preparation of di-alkyl compounds of group 2B metals
    Patent number: 5245065
    Abstract: Di-alkyl compounds of a Group 2b metal is reacted with an alkyl halide in the presence of magnesium to obtain the di-alkyl compound of the Group 2b metal and magnesium halide. Di-alkyl compound-containing products are obtainable from the resulting product mixture having a halogen content of less than 1 ppm, a silicon content of less than 1 ppm and a Group 3a metal content of less than 1 ppm.
    Type: Grant
    Filed: November 5, 1992
    Date of Patent: September 14, 1993
    Assignee: Shell Research Limited
    Inventors: Cornelis J. Smit, Gerardus P. M. Van Mier, Henricus P. B. Duijghuisen