| PATENT ASSIGNEE'S COUNTRY | Japan |
| UPDATE | 06.99 |
| PATENT ASSIGNEE | Kao Corp (Tokyo) |
| PATENT CLAIMS |
Reacting hydroxy compd with carbonyl compd under H gas atm in the presence of catalyst, while removing water Wherein Hydroxy compd./Carbonyl compd = 50/1 - 1/50 |
| PATENT PHOTOCOPY | Available on request |
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