Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1992-02-14
1994-07-05
Ivy, C. Warren
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D32304
Patent
active
053268873
ABSTRACT:
This invention relates to a process for preparing 1,4-dioxane-2,5-diones comprising reacting an .alpha.-hydroxy acid oligomer or an ester of an .alpha.-hydroxy acid oligomer over a fixed bed catalyst system.
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Di Cosimo Robert
Moran John R.
Nakamura Charles E.
Covington Raymond
E. I. Du Pont de Nemours and Company
Ivy C. Warren
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