EP 0297107 A4 19890614 - PRODUCTION OF STABLE CRYSTALLINE SODIUM ACETYLSALICYLATE.
Title (en)
PRODUCTION OF STABLE CRYSTALLINE SODIUM ACETYLSALICYLATE.
Title (de)
HERSTELLUNG VON STABILEN KRISTALLINEN NATRIUMACETYLSALICYLATEN.
Title (fr)
PRODUCTION D'ACETYLSALICYLATE DE SODIUM CRISTALLIN STABLE.
Publication
Application
Priority
US 83014186 A 19860220
Abstract (en)
[origin: WO8705010A1] A process for preparing sodium acetylsalicylate (sodium aspirin) in the form of plate-like crystals by preparing a solution of sodium aspirin, transferring the solution to a crystallizer, agitating the solution while cooling the crystallizer, intermittently adding seed crystals as crystallization progresses, separating the crystals from the mother liquor, and drying in a fluid bed dryer.
IPC 1-7
IPC 8 full level
C07C 67/28 (2006.01)
CPC (source: EP)
C07C 67/28 (2013.01)
Citation (search report)
- No relevant documents have been disclosed.
- See references of WO 8705010A1
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
WO 8705010 A1 19870827; AU 7122187 A 19870909; CA 1293738 C 19911231; CN 1020895 C 19930526; CN 86102837 A 19870902; EP 0297107 A1 19890104; EP 0297107 A4 19890614; HU 198440 B 19891030; HU T46883 A 19881228; ZA 871148 B 19871028
DOCDB simple family (application)
US 8700376 W 19870220; AU 7122187 A 19870220; CA 529849 A 19870216; CN 86102837 A 19860424; EP 87901924 A 19870220; HU 154087 A 19870220; ZA 871148 A 19870217