CPC Subgroup Additional Only
A61K 2236/10 Preparation or pretreatment of starting material
Full Title
Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine > Preparation or pretreatment of starting material
5 direct subcodes
Child Classifications
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- A61K 2236/11 involving culturing conditions, e.g. cultivation in the dark or under defined water stress
- A61K 2236/13 involving cleaning, e.g. washing or peeling
- A61K 2236/15 involving mechanical treatment, e.g. chopping up, cutting or grinding
- A61K 2236/17 involving drying, e.g. sun-drying or wilting
- A61K 2236/19 involving fermentation using yeast, bacteria or both; enzymatic treatment
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