DIFF Subgroup
A61K 35/56 Materials from animals other than mammals
Introduced: July 1974
Full Title
Medicinal preparations containing materials or reaction products thereof with undetermined constitution > Materials from animals other than mammals
IPC and CPC are identically structured here. All 11 subcodes exist in both systems.
3 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1974.
Child Classifications
Navigate with arrow keys, Enter to open
- A61K 35/57 Birds; Materials from birds, e.g. eggs, feathers, egg white, egg yolk or endothelium corneum gigeriae galli since 2015 IPC+CPC Available in IPC and CPC
- A61K 35/612 Crustaceans, e.g. crabs, lobsters, shrimps, krill or crayfish; Barnacles since 2015 IPC+CPC Available in IPC and CPC
- A61K 35/614 Cnidaria, e.g. sea anemones, corals, coral animals or jellyfish since 2015 IPC+CPC Available in IPC and CPC
- A61K 35/616 Echinodermata, e.g. starfish, sea cucumbers or sea urchins since 2015 IPC+CPC Available in IPC and CPC
- A61K 35/618 Molluscs, e.g. fresh-water molluscs, oysters, clams, squids, octopus, cuttlefish, snails or slugs since 2015 IPC+CPC Available in IPC and CPC
- A61K 35/62 Leeches; Worms, e.g. cestodes, tapeworms, nematodes, roundworms, earth worms, ascarids, filarias, hookworms, trichinella or taenia since 1974 IPC+CPC Available in IPC and CPC
- A61K 35/65 Amphibians, e.g. toads, frogs, salamanders or newts since 2015 IPC+CPC Available in IPC and CPC
- A61K 35/655 Aquatic animals other than those covered by groups A61K35/57 - A61K35/65 since 2015 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class A61,2013–2023, worldwide · Source: EPO PATSTAT
- PHILIPS ELECTRONICS NL 18,523
- NOVARTIS CH 14,253
- COVIDIEN US 13,953
- ROCHE CH 12,005
- CHINESE ACADEMY OF SCIENCES 11,955
- UNIVERSITY OF CALIFORNIA US 11,692
- HARVARD UNIVERSITY US 11,596
- L'OREAL FR 11,593
- P&G (PROCTER & GAMBLE COMPANY) US 11,297
- OLYMPUS CORPORATION JP 9,594
Top Applicants (CPC)
Class A61,2013–2023, worldwide · Source: EPO PATSTAT
- PHILIPS ELECTRONICS NL 20,621
- NOVARTIS CH 15,792
- ROCHE CH 14,303
- COVIDIEN US 13,862
- HARVARD UNIVERSITY US 13,454
- UNIVERSITY OF CALIFORNIA US 12,798
- P&G (PROCTER & GAMBLE COMPANY) US 12,140
- L'OREAL FR 11,800
- OLYMPUS CORPORATION JP 9,894
- BOSTON SCIENTIFIC SCIMED US 9,513