Freeze-dried powder injection contg. metallic complex of ethylenediamine teramethylene phosphoric acid, and its prepn. method
Patent number: CN1513459
Publication date: 2004-07-21
Inventor: JIA WEI (CN); XUE JING (CN)
Applicant: JIA WEI (CN)
Classification:
- international: A61K31/662; A61K9/19; A61P29/00; A61P19/08; A61P19/10; A61P19/02; A61P35/00
- european:
Application number: CN20030130431 20030721
Priority number(s): CN20030130431 20030721
Abstract of CN1513459
A freeze dried powder injection of ethanediamine tetra-methylene phosphonic acid-metal complex is prepared from ethanediamine tetra-methylene phosphonic acid, and the ionic solution of metal chosen from Ca, Ga, Sm, Sn and In through dissolving ethanediamine tetra-methylene phosphonic acid in the water for injection, adding sodium hydroxide solution, filter, adding metallic ion solution, regulating pH value, adding the water for injection, filtering and freeze drying. Its advantage is high purity and stability.
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