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CPC Subgroup Additional Only
A61L 2300/20

containing or releasing organic materials

Full Title

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

11 direct subcodes

Child Classifications

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  • A61L 2300/202 with halogen atoms, e.g. triclosan, povidone-iodine
  • A61L 2300/216 with other specific functional groups, e.g. aldehydes, ketones, phenols, quaternary phosphonium groups
  • A61L 2300/224 containing metals, e.g. porphyrins, vitamin B12
  • A61L 2300/25 Peptides having up to 20 amino acids in a defined sequence
  • A61L 2300/258 Genetic materials, DNA, RNA, genes, vectors, e.g. plasmids
  • A61L 2300/30 Compounds of undetermined constitution extracted from natural sources, e.g. Aloe Vera

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