Priority Date: 19.12.08 (FR 20080007309)

Composition for the oxidative dyeing of keratinous fibres comprising a fatty material and a diaminopyrazolone derivative

  • Application ID: EP09179887
  • Status: No opposition filed within time limit


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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.


  • 19.12.2008 - Priority Date (FR 20080007309)
  • 23.06.2010 - Publication A1 (EP2198840)
  • 02.05.2012 - Publication B1 (EP2198840)

IPC Classification