Patents by Inventor Birgit Froebel

Birgit Froebel 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).

  • SILANE DISTILLATION WITH REDUCED ENERGY USE
    Publication number: 20120048719
    Abstract: The invention relates to a method for thermally separating silane mixtures, which contain silanes, selected from alkylchlorosilanes and hydrochlorosilanes, in a distillation apparatus, in which at least part of the heat for heating the distillation apparatus is transferred by vapors of another distillation apparatus, and in which a silane product is obtained having impurities of no more than 200 ppm.
    Type: Application
    Filed: May 5, 2010
    Publication date: March 1, 2012
    Applicant: WACKER CHEMIE AG
    Inventors: Peter Nuernberg, Birgit Froebel, Michael Hallmann, Christian Kaltenmarkner, Benedikt Postberg