Patent ID: 7479268

Claim:
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.