Patents by Inventor Elvira Macpherson

Elvira Macpherson 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 eliminating reactive chlorinated organic compounds from aqueous solutions
    Patent number: 3993559
    Abstract: Process for eliminating reactive chlorinated organic compounds from aqueous solutions, especially waste waters, which comprises treating the waters at 70.degree.-300.degree. C, preferably 100.degree.-160.degree. C, with ammonia or compounds splitting off the same, and/or primary amines or compounds splitting off the amines, thereby obtaining insoluble reaction products which are mechanically separated from the waters.
    Type: Grant
    Filed: May 14, 1975
    Date of Patent: November 23, 1976
    Assignee: Wacker-Chemie GmbH
    Inventors: Werner Opavsky, Elvira Macpherson