Contrast medium-containing tube
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United States of America Patent
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Nov 24, 1992
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N/A
app pub date -
Apr 30, 1991
filing date -
May 9, 1990
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Abstract
A contrast medium-containing tube is provided which is a thermoplastic resin tube incorporated with a white bismuth compound composed mainly of bismuth oxide containing 70-85 wt % bismuth and having a particle diameter substantially smaller than 20 .mu.m. This contrast medium-containing tube looks white and remains white in appearance over a long period of time. It is easy to carry out extrusion molding for producing this contrast medium-containing tube.
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