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US 7,479,268 B2Granted
Staining agent in tablet form for making visible the formation of dental plaque and method for producing such a staining agent
AssigneeHager & Werken GmbH & Co. KG
InventorMarc Deppe
Life of this patent
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Abstract
A staining agent in tablet form for making visible dental plaque contains 85 to 95% by weight lactose; 1.5 to 2.6% by weight phloxin B; 2.5 to 3.5% by weight FDA Blue No. 1; 0.15 to 0.25% by weight magnesium stearate. The staining agent is produced by direct compression tableting and can also contain 0.3 to 0.75% by weight peppermint or eucalyptus flavoring agents.
Claims2
A method for producing a staining agent for staining dental plaque, the method comprising the steps of:
- a) mixing micronized dye particles of phloxin B and Blue No. 1 with lactose and magnesium stearate as tableting agents and, optionally, peppermint or eucalyptus flavoring agents to form a mixture, wherein 85 to 95% by weight lactose, 1.5 to 2.6% by weight phloxin B, 2.5 to 3.5% by weight Blue No. 1, and 0.15 to 0.25% by weight magnesium stearate are mixed together;
- b) tableting the mixture of step a) by direct compression tableting to tablets;
- c) exposing the tablets of step b) to a water vapor-saturated atmosphere for approximately 2 to 3 minutes.
Dependencies are inferred from the claim text.