Patents

Flower Essential Oil Extraction Method

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By: Christine Esposito

Editor-in-Chief

US Patent No. 9,296,979 B1; Metal Industries Research & Development Center, Kaohsiung, Taiwan, has patented a flower essential oil extraction method. The method entails placing flowers in a high-pressure treatment tank; introducing a pressurized liquid medium into the high-pressure treatment tank so as to reach a predetermined pressure, wherein the pressure is maintained for a predetermined period of time at a predetermined temperature, then the pressure is reduced to atmospheric pressure. ...

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