Freeze-dried dipyrimadole preparation for injection and prepartion thereof

/Home/Lyophilization and Protein Formulation Patents/Patent Articles - Lyophilization/European Patents - Lyophilization

Patent number: CN1543955
Publication date: 2004-11-10
Inventor: LI XIAOXIANG (CN); LI DEGANG (CN); GAO AO (CN)
Applicant: LI XIAOXIANG (CN)
Classification:
- international: A61K31/519; A61K9/19; A61P9/10; A61P7/02; A61P11/00; A61P31/12
- european:
Application number: CN200310106369 20031117
Priority number(s): CN200310106369 20031117
Abstract of CN1543955
A freeze dried Dipyridamole comprises 5-100% of dipyridamole and 0-5% of medicinal adjuvant, wherein the adjuvant is phosphoric acid or its acidic salt or orthosalt, and lactic acid, lactose etc. The preparation process comprises the steps of placing raw material and adjuvant of an finite proportion into a container, dissolving and adjusting pH=1.5-5.0 with acids or alkali, charging in activated charcoal, stirring, filtering, degerming through microporous filtering film or hyperfiltration, split charging the filter liquor, quick freezing to obtain the freeze-dried preparation.
Data supplied from the esp@cenet database - Worldwide