A vegetable oil process and assembly is disclosed for extracting oil from an oil bearing material such as soybean, corn and the like. The process comprises adding at least one reagent and an oil of preferably the same type as will be extracted from the oil bearing material to the oil bearing material...http://www.google.fr/patents/US4808426?utm_source=gb-gplus-shareBrevet US4808426 - Vegetable oil extraction process
