5.
    发明专利
    未知

    公开(公告)号:ES2093160T3

    公开(公告)日:1996-12-16

    申请号:ES92114981

    申请日:1992-09-02

    Applicant: HOECHST AG

    Abstract: The present invention describes echogenic particles with a smooth surface and/or echogenic particles with 1 to 10 concave surface segments, the preparation thereof by spray drying, and the use thereof as ultrasonic diagnostic aid.

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