Patents by Inventor A. Theodorus van Eijl

A. Theodorus van Eijl 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 of recovering HF from mixtures containing C.sub.1 -C.sub.3 halocarbon compounds
    Patent number: 3947558
    Abstract: Hydrogen fluoride can be separated from an organic mixture of fluorinated C.sub.1 -C.sub.3 compounds and recovered for reuse by selectively absorbing the HF in a glycol in which the HF is soluble, but the fluorinated organic compound is substantially insoluble. If desired, HF can be obtained in anhydrous form.
    Type: Grant
    Filed: August 16, 1973
    Date of Patent: March 30, 1976
    Assignee: Dow Chemical (Nederland) B.V.
    Inventor: A. Theodorus van Eijl