| abstract |
A COMPOSITION COMPRISING PURE OR IMPURE SOLID GLYCOLIDE OR LACTIDE IMMERSED IN TERTIARY AMYL ALCOHOL AND/OR TERTIARY BUTYL ALCOHOL WHICH IS ESSENTIALLY ANHYDROUS AND FREE FROM GLYCOLIDE OR LACTIDE REACTIVE IMPURITIES. GLYCOLIDE AND LACTIDE MAY BE RECRYSTALLIZED FROM THE COMPOSITION TO PRODUCE HIGH YIELDS OF SUBSTANTIALLY PURE GLYCOLIDE OR SUBSTANTIALLY PURE LACTIDE FOLLOWING STORAGE OF THE COMPOSITION FOR PERIODS UP TO ABOUT THREE MONTHS. |