Drug – bio-affecting and body treating compositions – Dentifrices
Patent
1995-03-22
1998-05-05
Seidleck, James J.
Drug, bio-affecting and body treating compositions
Dentifrices
423335, 423338, 423339, 106481, 106482, 106492, 501133, 502407, 502233, 502232, A61K 716, B01J 2300, C01B 3312
Patent
active
057470030
ABSTRACT:
A statistically large population of particles of amorphous precipitated silica comprising pigmentary phase particles and glassy phase particles and having a glassy phase fraction in the range of from 0.3 to 30 area percent is useful as an abrasive for dentifrice compositions, especially toothpaste.
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R. J. Grabenstetter et al, "The Measurement of the Abrasion of Human Teeth by Dentifrice Abrasives: A Test Utilizing Radioactive Teeth", J Dent Res 37: 1060-1068, 1958.
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Fear Robert H.
Jones Laurence E.
Krivak Thomas G.
Mohnot Shantilal M.
Randall Laura M.
Morris George D.
PPG Industries Inc.
Seidleck James J.
Williamson Michael A.
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