Patent ID: 7518022
Filing Date: 2009-04-14
Classification: A61K,A61Q,C07B,C07C

Abstract:
1. A process for preparing a liquid vegetable unsaturated alcohol mixture, the process comprising the step of reducing a vegetable unsaturated fatty acid mixture and/or an alkyl ester thereof in the presence of a zinc-type catalyst having a copper content of 30 ppm or less, the vegetable unsaturated fatty acid mixture being prepared from at least one vegetable oil selected from the group consisting of palm oil, coconut oil and palm kernel oil and the step of hydrogenating the obtained liquid vegetable unsaturated alcohol mixture such that the conjugated diene content of the obtained liquid vegetable unsaturated alcohol mixture is lowered without decreasing the iodine value or increasing the cloud point of the obtained liquid vegetable unsaturated alcohol mixture to give a mixture having a conjugated diene compound content of 1 wt. % or less.