Patent Number: 6,166,189

Title: Process for production of alkyl glycoside stable in hue and odor

Abstract: A process is disclosed for the production of an alkyl glycoside stable in hue and odor, which comprises the steps of (1) reacting a sugar with alcohol to obtain an alkyl glycoside reaction product containing a higher alcohol, (2) decoloring the alkyl glycoside reaction product with hydrogen peroxide, (3) contacting the decolored alkyl glycoside with a metal/hydrogen complex represented by formula (I) wherein M is an alkali metal, Ca, Zn or (CH.sub.3).sub.4 N; and z is 1 when M is an alkali metal or (CH.sub.3).sub.4 N and z is 2 when M is Ca or Zn; to substantially eliminate residual hydrogen peroxide, and then (4) decomposing the remaining metal/hydrogen complex with an acid.

Inventors: Sawada; Hiroki (Wakayama, JP), Nagumo; Hiroshi (Wakayama, JP), Koike; Toyomi (Wakayama, JP), Kimura; Akio (Wakayama, JP), Yamamuro; Akira (Wakayama, JP)

Assignee: Kao Corporation

International Classification: C07H 15/00 (20060101); C07H 15/04 (20060101); C07H 1/00 (20060101); C07H 1/06 (20060101); C07H 015/00 (); C07H 001/00 (); C07H 001/06 ()

Expiration Date: 12/26/2017