Drug – bio-affecting and body treating compositions – Dentifrices – Oxygen or chlorine releasing compound containing
Reexamination Certificate
2007-03-13
2007-03-13
Krass, Frederick (Department: 1614)
Drug, bio-affecting and body treating compositions
Dentifrices
Oxygen or chlorine releasing compound containing
C433S215000, C433S217100, C424S048000
Reexamination Certificate
active
10715917
ABSTRACT:
Novel compositions and methods are disclosed for cosmetically treating teeth in a manner to increase brightness or shade of the teeth. The compositions include a low molecular weight compound having a high acetyl group functionality useful in the production of a peroxy acid which then acts as a whitening agent.
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patent: 5279816 (1994-01-01), Church et al.
patent: 5885554 (1999-03-01), Michael et al.
patent: 5928628 (1999-07-01), Pellico
Discus Dental Impressions, Inc.
Krass Frederick
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