Skip to content
Patent Classification Explorer
PCE
AI Classify
Search classifications...
/
Toggle theme
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC
CPC
Diff
C
C40
C40B
C40B 10/00
CPC
Main Group
C40B 10/00
Directed molecular evolution of macromolecules, e.g. RNA, DNA or proteins