PROCESS FOR THE PREPARATION OF PROPANE-1,3-DIOL BY VAPOR...

Details PROCESS FOR THE PREPARATION OF PROPANE-1,3-DIOL BY VAPOR... PROCESS FOR THE PREPARATION OF PROPANE-1,3-DIOL BY VAPOR...

2006-01-03

2006-01-03

Price, Elvis O. (Department: 1621)

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

Organic compounds

Oxygen containing

C568S852000, C568S861000, C568S862000, C568S863000

Reexamination Certificate

active

06982357

ABSTRACT:
A process is described for the production of propane-1,3-diol. The process comprises subjecting a vaporous feed mixture comprising a hydrogen-containing gas and a feedstock selected from 3-hydroxypropanal, β-propiolactone, oligomers of β-propiolactone, esters of 3-hydroxypropanoic acid, and mixtures of two or more thereof to hydrogenation conditions in a hydrogenation zone in the presence of a heterogeneous hydrogenation catalyst, and recovering a reaction product comprising propane-1,3-diol.

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