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US 4,581,473 AGranted
Preparation of ethylidene diacetate
AssigneeEastman Kodak Company
InventorStanley W. Polichnowski
Life of this patent
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Abstract
Process for the preparation of ethylidene diacetate by hydrogenating acetic anhydride in the presence of a homogeneous rhodium catalyst, methyl iodide and lithium iodide.
Claims2
Process for the preparation of ethylidene diacetate which comprises hydrogenating acetic anhydride at about 100.degree. to 225.degree. C. and about 100 to 5000 psig in the presence of a catalytic amount of a homogeneous rhodium catalyst, about 5-35 weight percent methyl iodide, based on the amount of acetic anhydride, and about 0.1 to 5.0 weight percent lithium iodide, based on the weight of acetic anhydride.
Dependencies are inferred from the claim text.