Patent Classification Explorer PCE

DIFF Main Group

C07C 21/00

Acyclic unsaturated compounds containing halogen atoms

Introduced: September 1968

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

Navigate with arrow keys, Enter to open

C07C 21/02 containing carbon-to-carbon double bonds IPC+CPC Available in IPC and CPC
C07C 21/22 containing carbon-to-carbon triple bonds IPC+CPC Available in IPC and CPC