Patents by Inventor Horst Lehnert

Horst Lehnert 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 and an apparatus for determining the inorganic carbon content of a liquid
    Patent number: 4046510
    Abstract: In a process for the determination of the inorganic carbon content of aqueous liquids, the sample to be examined, together with a carbon dioxide-free carrier gas, is introduced into a heated reaction chamber, where it is reacted with crystalline potassium bisulphate and/or a mixture of equal parts of potassium bisulphate and potassium sulphate to form carbon dioxide and water. The CO.sub.2 generated is analyzed quantitatively in a CO.sub.2 analyzer.
    Type: Grant
    Filed: July 27, 1976
    Date of Patent: September 6, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolf-Jurgen Becker, Jacques Deprez, Horst Lehnert