In this process a percolation of supercritical gas through the starting material is conducted, the carbon dioxide loading with extractable compounds, then, when the percolation pressure reaches a predetermined value, the percolation medium is let down, feeding the latter into a separation zone in which...http://www.google.fr/patents/US5073267?utm_source=gb-gplus-shareBrevet US5073267 - Process for the extraction of volatile compounds with supercritical carbon dioxide, and compounds obtained
Process for the extraction of volatile compounds with supercritical carbon ...
