An intermittent ozonizing apparatus comprises an ozonizer for producing ozonized oxygen from an oxygen source, an adsorption-desorption tower which adsorbs ozone from the ozonized oxygen fed from the ozonizer to store the ozone, the ozone being desorbed by suction under a reduced pressure, a recycling...http://www.google.com.au/patents/US4462965?utm_source=gb-gplus-sharePatent US4462965 - Intermittent ozonizing apparatus
