Patents by Inventor Lothaire W. Scherer

Lothaire W. Scherer 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 separating silicic compounds from cleaning baths and plant for its application
    Patent number: 5296001
    Abstract: The subject of the invention is a process for separating silicic compounds from baths for cleaning steel substrates containing iron ions and silicic compounds, consisting of the following stages:a) a concentrated spent cleaning bath is cooled in a controlled manner to a temperature below 60.degree. C. so as to precipitate the silicic compounds,b) the cleaning bath is allowed to cool for at least 2 hours,c) the cleaning bath is reheated,d) the silicic compounds precipitated from the cleaning bath are separated off.
    Type: Grant
    Filed: March 11, 1993
    Date of Patent: March 22, 1994
    Assignee: Sollac
    Inventor: Lothaire W. Scherer