Glasses and poly(carboxylic acid) cement compositions containing them
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United States of America Patent
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Mar 21, 1989
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N/A
app pub date -
Apr 6, 1987
filing date -
Apr 8, 1986
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Expired
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Abstract
Alkaline earth metal aluminofluorosilicate glasses suitable for use as ion-sources in the poly(carboxylic acid) cement compositions contain strontium in order to provide radiopacity. The invention also provides methods for making poly(carboxylate) cement using the glasses of the invention as ion-sources.
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