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US 4,360,407 AGranted
Process for removing glycerine
AssigneeThe Dow Chemical Company
InventorRobert L. Reierson
Life of this patent
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Abstract
The distillative separation of a mixture of glycerine and glycerine-based acetal or ketal transesterification products is aided by addition of a borate ester-forming compound to the mixture prior to distillation.
Claims9
A process for distillatively separating glycerine from a mixture comprising glycerine and glycerine-based acetal or ketal reaction products comprising contacting the mixture with a borate ester-forming compound and thereafter distillatively removing the glycerine-based acetal or ketal reaction products.
Dependencies are inferred from the claim text.