Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1997-07-22
1998-09-15
Richter, Johann
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
548454, 548465, 548466, 548467, 548515, 544242, 544333, 544335, 546251, 5462767, 5462784, 549 1, 549 29, 549 59, 549 74, 549 78, 549200, 549491, 549497, 10628721, 106401, 106496, 106498, C07D48704, C07D20902, C07D40514, C07D40914
Patent
active
058080945
ABSTRACT:
A process for the preparation of mixed crystals of different compounds of formula ##STR1## by heating a corresponding mixture in solid form to the temperature range from 220.degree. to 380.degree. C.
REFERENCES:
patent: 5565578 (1996-10-01), Babler
Hao Zhimin
Iqbal Abul
Mizuguchi Jin
Wallquist Olof
Ciba Specialty Chemicals Corporation
Mansfield Kevin T.
Oswecki Jane C.
Richter Johann
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