Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1990-05-25
1991-04-30
Waddell, Frederick E.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
606230, 606231, C07D31912
Patent
active
050119460
ABSTRACT:
An improved process for the preparation of D,L-Lactide which can be used directly in polymerization reactions.
REFERENCES:
patent: 3597449 (1971-08-01), Deprospero et al.
patent: 4797468 (1989-01-01), DeVries
Hess Joachim
Muller Klaus R.
Muller Manfred
Boehringer Ingelheim GmbH
Frankhouser David E.
Owens Amelia A.
Reitenbach Daniel
Timbers Mary-Ellen M.
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