Patent ID: 7141611

Claim:
A method of manufacturing a mixture of primary alcohols comprising the steps of: obtaining a starting material containing a mixture of aliphatic alcohols and non-alcoholic compounds, grinding said starting said material containing primary aliphatic alcohols into particles; subjecting the particles to liquid extraction with a liquid organic extractant in which said alcohols are soluble; and recovering said alcohol mixture from said extractant, whereby said alcohol mixture is isolated from said non-alcoholic compounds contained in said starting material and the resulting mixture comprises 1-eicosanol C-20 0–5% 1-docosanol C-22 0–5% 1-tetracosanol C-24 12–30% 1-hexacosanol C-26 13–30% 1-heptacosanol C-27 0–5% 1-octacosanol C-28 12–25% 1-triacontanol C-30 20–40% 1-dotriacontanol C-32 5–15% 1-tetratriacontanol C-34 0–5%.