Patents by Inventor Franz Schnierle

Franz Schnierle 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).

  • Patent number: 3976754
    Abstract: A method for making cyanogen chloride which comprises passing an approximately equimolar mixture of dicyan and chlorine over a charcoal catalyst at a temperature between 500.degree.C. and 950.degree.C. at a space velocity between 1000 and 10000 liters, measured at room temperature, per liter of catalyst and per hour.
    Type: Grant
    Filed: August 25, 1975
    Date of Patent: August 24, 1976
    Assignee: Rohm GmbH
    Inventors: Wilhelm Gruber, Franz Schnierle, Guenter Schroeder