CPC Subgroup
A61K 39/12 Viral antigens
Full Title
Medicinal preparations containing antigens or antibodies (materials for immunoassay G01N33/53) > Viral antigens
16 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- 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 39/20 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 (vaccinia virus or variola virus A61K39/285); 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 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