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Application filed by Institutul De Cercetari Chimico-FarmaceuticefiledCriticalInstitutul De Cercetari Chimico-Farmaceutice
Priority to RO131359ApriorityCriticalpatent/RO99792B1/ro
Publication of RO99792B1publicationCriticalpatent/RO99792B1/ro
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Procedeul conform inventiei consta în aceea ca o solutie diclometanica de eritromicina cu activitate de 50000...60000 niu/ml, dupa decolorare si anhidrizare, se aduce la temperatura de -15...-25 degree C, de preferinta -18...-20 degree C timp de 6 h, se filtreaza si produsul obtinut se spala cu clorura de metilen racita la -20 degree C.
RO131359A1987-12-281987-12-28Procedeu de cristalizare a eritromicinei
RO99792B1
(ro)
Nouvelles 2-arylimino-oxazolidines substituees sur l'atome d'azote, leur procede de preparation et leur application a la lutte contre des ectoparasites