Prepn and product of oxiracetam powder for injection
Patent number: CN1486693
Publication date: 2004-04-07
Inventor: ZHUGE HUAMING (CN); ZHUGE GUOMIN (CN)
Applicant: ZHUGE HUAMING (CN)
Classification:
- international: A61K31/4015; A61K9/19; A61P25/00
- european:
Application number: CN20030138998 20030808
Priority number(s): CN20030138998 20030808
Abstract of CN1486693
The present invention provides one kind of Oxiracetam freeze dried powder for injection and its preparation and product. It is prepared with Oxiracetam, sorbic alcohol or citric acid or lactobionic acid or sodium lactobionate, and water in the weight ratio of 1 to 0.1-2.0 to 1-10 and through weighing Oxiracetam and sorbic alcohol or citric acid or lactobionic acid or sodium lactobionate, dissolving in some container, adding active carbon, heating, filtering to eliminate carbon, regulating pH value, microfiltering, bottling in bacteria-free glass bottle, low temperature freeze drying and sealing.
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