Process for the continuous preparation of polyhydric alcohols

US4520211A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Herbert Lepper · Goldkronach, DE
• Hartwig Schutt · Hilden, DE

Key dates

• Filing date: Feb 24, 1984
• Grant date: May 28, 1985
• Expiry date: Feb 24, 2004

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07B2200/07
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

This invention is directed to the preparation of polyhydric alcohols. More specifically, this invention is directed to a continuous process for preparing polyhydric alcohols by the hydrogenation of carbohydrates in the presence of ruthenium-containing catalysts at elevated temperatures and elevated pressure, the improvement wherein the catalyst comprises a catalyst solid bed of ruthenium carrier catalyst in lumps.