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Permanent waving of hair and analogous processes

  • US 3,142,623 A
  • Filed: 11/22/1961
  • Issued: 07/28/1964
  • Est. Priority Date: 11/15/1961
  • Status: Expired due to Term
First Claim
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7. A COMPOSITION FOR USE IN THE PERMANENT DEFORMATION OF LIVE HAIR WHICH COMPRISES A THIOL SELECTED FROM THE GROUP CONSISTING OF THIOLGLYCOLIC ACID, A-MERCAPTO PROPIONIC ACID, B-MERCAPTO PROPIONIC ACID AND A MERCAPTOETHANOL, AND A GLYCOL DIMETHACRYLATE OF THE FORMULA:

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