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DIFF Main Group
A61Q 5/00

Preparations for care of the hair

Introduced: January 2006

Of 10 combined children, 6 exist in both systems.

4 codes are CPC-only extensions.

IPC defines codes here since 2006.

Child Classifications

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  • A61Q 5/002 CPC only CPC only
  • A61Q 5/004 CPC only CPC only
  • A61Q 5/006 CPC only CPC only
  • A61Q 5/008 CPC only CPC only
  • A61Q 5/02 Preparations for cleaning the hair since 2006 IPC+CPC Available in IPC and CPC
  • A61Q 5/04 Preparations for permanent waving or straightening the hair since 2006 IPC+CPC Available in IPC and CPC
  • A61Q 5/08 Preparations for bleaching the hair since 2006 IPC+CPC Available in IPC and CPC
  • A61Q 5/10 Preparations for permanently dyeing the hair since 2006 IPC+CPC Available in IPC and CPC
  • A61Q 5/12 Preparations containing hair conditioners since 2006 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class A61,2013–2023, worldwide · Source: EPO PATSTAT

  1. PHILIPS ELECTRONICS NL 18,523
  2. NOVARTIS CH 14,253
  3. COVIDIEN US 13,953
  4. ROCHE CH 12,005
  5. CHINESE ACADEMY OF SCIENCES 11,955
  6. UNIVERSITY OF CALIFORNIA US 11,692
  7. HARVARD UNIVERSITY US 11,596
  8. L'OREAL FR 11,593
  9. P&G (PROCTER & GAMBLE COMPANY) US 11,297
  10. OLYMPUS CORPORATION JP 9,594

Top Applicants (CPC)

Class A61,2013–2023, worldwide · Source: EPO PATSTAT

  1. PHILIPS ELECTRONICS NL 20,621
  2. NOVARTIS CH 15,792
  3. ROCHE CH 14,303
  4. COVIDIEN US 13,862
  5. HARVARD UNIVERSITY US 13,454
  6. UNIVERSITY OF CALIFORNIA US 12,798
  7. P&G (PROCTER & GAMBLE COMPANY) US 12,140
  8. L'OREAL FR 11,800
  9. OLYMPUS CORPORATION JP 9,894
  10. BOSTON SCIENTIFIC SCIMED US 9,513