发明申请
WO2018142189A1 A METHOD OF MANUFACTURING A SUSPENSION OF NANOPARTICLES OF TADALAFIL OR SILDENAFIL CITRATE
审中-公开
基本信息:
- 专利标题: A METHOD OF MANUFACTURING A SUSPENSION OF NANOPARTICLES OF TADALAFIL OR SILDENAFIL CITRATE
- 申请号:PCT/IB2017/050575 申请日:2017-02-02
- 公开(公告)号:WO2018142189A1 公开(公告)日:2018-08-09
- 发明人: BANACH, Marcin , PULIT-PROCIAK, Jolanta
- 申请人: DUKEBOX SP. Z O. O.
- 申请人地址: ul. Styki 29/6 03-928 Warszawa PL
- 专利权人: DUKEBOX SP. Z O. O.
- 当前专利权人: DUKEBOX SP. Z O. O.
- 当前专利权人地址: ul. Styki 29/6 03-928 Warszawa PL
- 代理机构: KREKORA, Magdalena
- 主分类号: A61K31/4985
- IPC分类号: A61K31/4985 ; A61K9/10 ; A61K9/51 ; A61K31/519 ; A61K9/14
摘要:
A method of manufacturing a suspension of nanoparticles of tadalafil or sildenafil citrate consisting in that, a solution of tadalafil or sildenafil citrate in dimethyl sulfoxide (DMSO) is prepared, and an aqueous solution of a least one dispersing agent is prepared, then under continuous homogenization a solution of tadalafil or sildenafil citrate is added portion- wise to the aqueous solution of at least one dispersing agent, afterwards homogenization is continued until a suspension of tadalafil or sildenafil citrate nanoparticles is obtained.
IPC结构图谱:
A | 人类生活必需 |
--A61 | 医学或兽医学;卫生学 |
----A61K | 医用、牙科用或梳妆用的配制品 |
------A61K31/00 | 含有机有效成分的医药配制品 |
--------A61K31/33 | .杂环化合物 |
----------A61K31/335 | ..仅有氧作为环杂原子的,例如制霉色基素 |
------------A61K31/40 | ...有仅以1个氮作为环杂原子的五元环的,例如舒必利、琥珀酰亚胺、托尔米丁、甲氧吡丁苯 |
--------------A61K31/4985 | ....与杂环邻位或迫位稠合的吡嗪或哌嗪 |