IPC Subgroup
A61K 39/12 Viral antigens
Introduced: July 1974
Last revised: January 2006
Full Title
Medicinal preparations containing antigens or antibodies > Viral antigens
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- MEDICAL OR VETERINARY SCIENCE; HYGIENE
- Subclass:
- PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
16 direct subcodes
Child Classifications
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- A61K 39/125 Picornaviridae, e.g. calicivirus
- A61K 39/145 Orthomyxoviridae, e.g. influenza virus
- A61K 39/15 Reoviridae, e.g. calf diarrhea virus
- A61K 39/155 Paramyxoviridae, e.g. parainfluenza virus
- A61K 39/187 Hog cholera virus
- A61K 39/193 Equine encephalomyelitis virus
- A61K 39/2 Rubella virus
- A61K 39/205 Rhabdoviridae, e.g. rabies virus
- A61K 39/21 Retroviridae, e.g. equine infectious anemia virus
- A61K 39/215 Coronaviridae, e.g. avian infectious bronchitis virus
- A61K 39/23 Parvoviridae, e.g. feline panleukopenia virus
- A61K 39/235 Adenoviridae
- A61K 39/245 Herpetoviridae, e.g. herpes simplex virus
- A61K 39/275 Poxviridae, e.g. avipoxvirus
- A61K 39/29 Hepatitis virus
- A61K 39/295 Polyvalent viral antigens; Mixtures of viral and bacterial antigens
Top Applicants
Top 10 applicants by patent filingsfor 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