Priority Date: 12.12.08 (FR 20080058558)

Hair dyeing method starting from a composition comprising at least one ortho-diphenol, one metal salt, hydrogen peroxide, (bi)carbonate and a basifying agent

  • Application ID: EP09178943
  • Status: Request for examination was made


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This EP application has the IPC class A61 (MEDICAL OR VETERINARY SCIENCE; HYGIENE). L'Oréal is specialized in A61. L'Oréal is specialised in A61 (MEDICAL OR VETERINARY SCIENCE; HYGIENE). Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.


  • 12.12.2008 - Priority Date (FR 20080058558)
  • 16.06.2010 - Publication A2 (EP2196182)
  • 26.12.2012 - Publication A3 (EP2196182)