发明名称 TUNGSTEN PARTICLES AS RADIOPAQUE SUBSTANCES
摘要 FIELD: medicine. ^ SUBSTANCE: present invention concerns the particles useful in x-ray visualisation, containing a kernel from a metal element of tungsten, probably, together with other metal elements where the tungsten content in a particle kernel makes from 20 to 100 wt % of metal tungsten and where the charged coat layer is applied on the specified kernel for passivation of a reactive surface of kernels of tungsten particles. The invention also concerns pharmaceutical preparations containing specified particles, a way of reception of the specified particles and their application as radiopaque substances. ^ EFFECT: development of a way of reception of the tungsten particles useful in x-ray visualisation. ^ 30 cl, 10 ex, 3 tbl
申请公布号 RU2361617(C2) 申请公布日期 2009.07.20
申请号 RU20060117818 申请日期 2004.11.26
申请人 DZHI-I KHELTKER AS 发明人 AKSEL'SSON OSKAR;LEUNBAK IB;KARLSSON MAGNUS
分类号 A61K33/24;A61K49/04;B22F1/00;B22F9/24 主分类号 A61K33/24
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