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DIFF Main Group
A61L 29/00

Materials for catheters, or for coating catheters (shape or structure of catheters A61M25/00)

Introduced: January 1985

Title

Titles differ between systems:

IPC: Materials for catheters or for coating catheters

CPC: Materials for catheters, or for coating catheters (shape or structure of catheters A61M25/00)

Full Title

Full titles differ between systems:

IPC:

Materials for catheters or for coating catheters

CPC:

Materials for catheters, or for coating catheters (shape or structure of catheters A61M25/00)

Of 6 combined children, 5 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2000.

Child Classifications

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  • A61L 29/005 CPC only CPC only
  • A61L 29/02 Inorganic materials since 2000 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