Priority Date: 06.11.08 (FR 20080057541)

Composition comprising 2,3-diamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one and 4,5-diamino-1-(ß-hydroxyethyl)pyrazole as oxidation bases

  • Application ID: EP09175298
  • 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.


  • 06.11.2008 - Priority Date (FR 20080057541)
  • 12.05.2010 - Publication A1 (EP2184049)
  • 04.01.2017 - Publication B1 (EP2184049)

IPC Classification