Patent Number: 6,294,703

Title: Process for the manufacture of cycloalkyldimethanol

Abstract: A process for making cycloalkyldimethanol, includes hydrogenating at least one cycloalkyldicarboxylic acid and/or an alkyl ester thereof with a catalyst, to produce a cycloalkyldimethanol, where the catalyst contains ruthenium, tin and platinum. Also, a method for regenerating a used catalyst, includes contacting the used catalyst with a base, where the catalyst includes ruthenium, tin and platinum.

Inventors: Hara; Yoshinori (Yokohama, JP), Endou; Koetsu (Yokohama, JP), Takahashi; Hiroko (Yokohama, JP)

Assignee: Mitsubishi Chemical Company

International Classification: B01J 23/90 (20060101); B01J 23/96 (20060101); C07C 29/149 (20060101); C07C 29/00 (20060101); C07C 031/13 ()

Expiration Date: 09/25/2018