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US 5,626,756 AGranted
Process for fractionating and refining natural lipid substances
AssigneeSKW Trostberg Aktiengesellschaft
InventorsJurgen Heidlas, Georg Huber
Life of this patent
Estimating the term…
Abstract
In order to fractionate or/and refine natural lipid materials by extraction with compressed gases, the natural materials are used in a liquid form and they are extracted with a liquid mixture of 50 to 90% by weight propane and 10 to 50% by weight carbon dioxide which is in a subcritical state.
Claims11
A process for fractionating and/or refining a natural lipid substance, comprising:
- extracting the natural substance, which is in a liquid form, by contacting the natural substance with a liquid mixture of 50 to 90% by weight propane and 10 to 50% by weight carbon dioxide which is in a subcritical state with respect to temperature and pressure.
Dependencies are inferred from the claim text.