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Hans A Schaeffer: Dental preparation, article and method for storage and delivery thereof. Darby & Darby, August 18, 1987: US04687663 (217 worldwide citation)

Disclosed is a method for cleaning teeth including extruding a first semi-solid component including hydrogen peroxide as an active ingredient, and extruding a second semi-solid component comprising sodium bicarbonate as an active ingredient, the first and second components being suitable for oral us ...


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Hans A Schaeffer: Dental preparation, article and method for storage and delivery thereof. Darby & Darby, July 9, 1985: US04528180 (150 worldwide citation)

The invention is directed to a combination of a collapsible tube article having flexible side walls and a composition consisting of a gel component and a paste component and contained in said article, said combination being suitable for use in combatting gum disease, said article comprising:


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Schaeffer Hans A: Dental preparation, article and method for storage and delivery thereof.. Schaeffer Hans A, November 26, 1986: EP0202359-A2 (21 worldwide citation)

Disclosed is a composition useful in combatting gum disease including (a) a gel component having (i) about 0.1 - 10% by weight of hydrogen peroxide; (ii) about 0.05 - 5.0% by weight of a water-dispersible copolymer of acrylic acid cross-linked with polyallyl sucrose; (iii) about zero to about 2.0% b ...