Patents Assigned to Otto Pfrengle
  • Process for reacting acid and base
    Patent number: 4022379
    Abstract: Process for reacting acid and base by use of a spray mixing nozzle having a central pressurized gas channel, at least two surrounding annular channels for acid and base and an outer annular channel for pressurized gas. The pressurized gas forcefully unites the acid and base into a spray at the nozzle outlet, and the acid and base react in the spray.
    Type: Grant
    Filed: October 16, 1975
    Date of Patent: May 10, 1977
    Assignee: Otto Pfrengle
    Inventor: Gerhard Ladisch