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Skin dressings with fugitive colors

  • US 2,496,270 A
  • Filed: 02/09/1946
  • Issued: 02/07/1950
  • Est. Priority Date: 02/09/1946
  • Status: Expired due to Term
First Claim
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1. A NORMALLY COLORLESS LIQUID INSECT REPELLENT COMPOSITION ADAPTED FOR APPLICATION ON HUMAN SKIN COMPRISING AN INSECT REPELLANT IN COMBINATION WITH A MIXTURE OF PHENOLPHTHALEIN AND AN ALKALINE AGENT, SAID MIXTURE IMPARTING TO SAID COMPOSITION A RED COLOR CONTRASTING WITH THAT OF HUMAN SKIN THEREBY TO FACILITATE APPLICATION OF SAID COMPOSITION ON HUMAN SKIN AND SAID MIXTURE BEING ADAPTED TO LOSE RAPIDLY ITS COLOR-IMPARTING ROLE THROUGH EXPOSURE TO THE ATMOSPHERE WHEN SAID COMPOSITION IS APPLIED ON HUMAN SKIN.

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