Clara A. Vaughan Morgan, GB189503096A

A New or Improved Preparation for Cleaning Human Teeth.

On March 23, 1895, Clara Ann Vaughan Morgan of Kensington, London, patented a novel tooth-cleaning powder. Her formulation combined chalk, pumice stone, borax, sapo animalis (animal soap), oil of cloves, and carmine.

Date of Application: 12 February 1895

Date of Issuance: 23 March 1895

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• Espacenet