A61K - Preparations for medical, dental, or toilet purposes
29
C12N - Microorganisms or enzymes
19
C07K - Peptides
15
C12Q - Measuring or testing processes involving enzymes, nucleic acids or microorganisms
12
A61B - Diagnosis
11
C08G - Macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds
10
B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry
9
G01N - Investigating or analysing materials by determining their chemical or physical properties
9
H01L - Semiconductor devices
8
C07F - Acyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium
