Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1989-05-05
1991-10-01
Ivy, C. Warren
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
502151, C07D31912
Patent
active
050535226
ABSTRACT:
The invention relates to a process for the preparation of lactide, in particular of optically pure L(-)- or D(+)-lactide, on an industrial scale.
REFERENCES:
patent: 1095205 (1914-05-01), Gruter
patent: 4157330 (1979-06-01), Reuter et al.
patent: 4165321 (1979-08-01), Harris et al.
patent: 4393223 (1983-07-01), Harris
patent: 4789726 (1988-12-01), Hutchinson
Boehringer Ingelheim KG
Frankhouser D. E.
Ivy C. Warren
Owens Amelia A.
Stempel A. R.
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