Color index of multivalent alcohols by hydrogenation

Details Color index of multivalent alcohols by hydrogenation Color index of multivalent alcohols by hydrogenation

2006-06-06

2006-06-06

Richter, Johann (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C568S853000, C568S854000

Reexamination Certificate

active

07057080

ABSTRACT:
A process is provided for improving the color number of polyhydric alcohols, especially trimethylolpropane, by catalytic hydrogenation, the polyhydric alcohol used in the hydrogenation having been purified by distillation following its preparation, wherein the hydrogenation is carried out in the presence of a macroporous supported heterogeneous catalyst containing, as the active metal, at least one metal of subgroups VII to X of the Periodic Table.

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Chem.Abst. vol. 55,No. 21, XP-002171005, 1987.

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