Soft lining material composition for dentures
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United States of America Patent
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May 20, 1997
Grant Date -
N/A
app pub date -
Apr 8, 1996
filing date -
Apr 17, 1995
priority date (Note) -
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Abstract
The present invention relates to a soft lining material composition for dentures, which comprises, at specific ratios, an organopolysiloxane having a specific structure and a viscosity lying in a specific range, an organohydrogenpolysiloxane having another specific structure, a platinum compound soluble in silicone, a finely divided silica having a BET specific surface area lying in a specific range and subjected to a hydrophobic treatment on the surface, and a molten quartz powder having an average particle size lying in a specific range, such soft lining material composition providing a cured soft lining material composition which undergoes a little hardness change upon inserted in the mouth over an extended period of time, does not separate away from a denture, and being satisfactory in terms of the ability to be cut and polished.
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