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US5003061AMar 26, 1991
Method for preparing high-purity crystalline lactulose
SIRAC SRL12 citations71
US4978397ADec 18, 1990
Process for preparing high-purity lactulose syrup and the syrup obtained
SIRAC SRL5 citations60
US4957564ASep 18, 1990
Process for preparing lactulose from lactose by epimerization with sodium aluminate
SIRAC SRL6 citations60
US4937294AJun 26, 1990
Stable boron resins of high selective absorbent power
SIRAC SRL2 citations60