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C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
C11B1/00—Production of fats or fatty oils from raw materials
C11B1/10—Production of fats or fatty oils from raw materials by extracting
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FR569178D1922-10-021922-10-02Procédé de dégraissage des os, matières organiques et végétales par la banzineou autres solvants volatils
ExpiredFR569178A
(fr)
Procédé et installation pour la récupération des solvants volatils utilisés pour le dégraissage de toutes substances et en particulier de substances organiques desséchées, animales ou végétales