Dental gypsum-bonded investment material powder

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United States of America Patent

PATENT NO 9198837
APP PUB NO 20140083326A1
SERIAL NO

14037698

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Abstract

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The invention provides a dental gypsum-bonded investment material powder which can inhibit air bubbles from being generated in a mixed material, only by being mixed with water without using any special device or tool, and is easily mixed with the water. A specific siloxane is blended at a specific amount in relation to the dental gypsum-bonded investment material powder which includes an anionic surfactant and is excellent in a mold releasing action. In other words, the dental gypsum-bonded investment material powder is structured such as to have 0.001 to 0.2 weight % anionic surfactant, and 0.00001 to 0.0005 weight % cyclic siloxane having 3 to 10 SiO(CH3)2 units.

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Patent Owner(s)

Patent OwnerAddress
GC CORPORATIONSUNTO-GUN SHIZUOKA 410-1307

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukushima, Emiko Koshigaya, JP 4 8
Horiuchi, Haruhiko Chiba, JP 31 65
Mori, Daizaburo Saitama, JP 18 51

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