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CPC Subgroup Additional Only
A61L 2300/10

containing or releasing inorganic materials

Full Title

Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices > containing or releasing inorganic materials

6 direct subcodes

Child Classifications

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  • A61L 2300/106 Halogens or compounds thereof, e.g. iodine, chlorite
  • A61L 2300/108 Elemental carbon, e.g. charcoal
  • A61L 2300/11 Peroxy compounds, peroxides, e.g. hydrogen peroxide
  • A61L 2300/112 Phosphorus-containing compounds, e.g. phosphates, phosphonates
  • A61L 2300/114 Nitric oxide, i.e. NO

Top Applicants

Top 10 applicants by patent filingsfor 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