申请人:Nicox Ophthalmics, Inc.
公开号:EP3517541A1
公开(公告)日:2019-07-31
The present invention provided nanocrystals of fluticasone propionate having an X-ray powder diffraction pattern including peaks at about 7.8, 15.7, 20.8, 23.7, 24.5, and 32.5 degrees 2θ further including peaks at about 9.9, 13.0, 14.6, 16.0, 16.9, 18.1, and 34.3 degrees 2θ, characterized in that :the nanocrystals are nanoplates having the [001] crystallographic axis substantially normal to the surfaces that define the thickness of the nanoplates,wherein said nanoplates have an average size between 100 and 1000 nm.
本发明提供了丙酸氟替卡松的纳米晶体,其 X 射线粉末衍射图谱包括约 7.8、15.7、20.8、23.7、24.5 和 32.5 度 2θ处的峰,还包括约 9.9、13.0、14.6、16.0、16.9、18.1 和 34.3 度 2θ处的峰。3 度 2θ,其特征在于:纳米晶体是纳米板,其[001]结晶轴基本上与确定纳米板厚度的表面法线,其中所述纳米板的平均尺寸介于 100 和 1000 纳米之间。