Low-dusting powdery alginate impression materials for dental purposes
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United States of America Patent
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May 26, 1992
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N/A
app pub date -
Nov 8, 1989
filing date -
Nov 25, 1988
priority date (Note) -
Expired
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Abstract
A low-dusting powdery alginate impression material for dental purposes comprises (a) an alginate, (b) a gelation agent, (c) a gelation controlling agent, (d) a filler, (e) at least one of an oxide, hydroxide and fluoride of a metal and (f) lanolin with or without at least one lanolin derivative, and may further include pigments and perfumes, which provides increased dimensional accuracy, improved manipulatability, improved storage stability, improved dimensional stability and improved surface smoothness.
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