Ethers

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Ethers; Compounds having groups, groups or groups > Ethers

CPC:

Ethers; Compounds having [IMAGE cpc-sch-C07C-0958.gif] groups,[IMAGE cpc-sch-C07C-0959.gif] groups or[IMAGE cpc-sch-C07C-0960.gif] groups > Ethers

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

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C07C 43/03 having all ether-oxygen atoms bound to acyclic carbon atoms since 1980 IPC+CPC Available in IPC and CPC
C07C 43/18 having an ether-oxygen atom bound to a carbon atom of a ring other than a six-membered aromatic ring IPC+CPC Available in IPC and CPC
C07C 43/20 having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring +1 CPC IPC+CPC Available in IPC and CPC
C07C 43/235 having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring and to a carbon atom of a ring other than a six-membered aromatic ring since 1980 IPC+CPC Available in IPC and CPC
C07C 43/257 having an ether-oxygen atom bound to carbon atoms both belonging to six-membered aromatic rings since 1980 IPC+CPC Available in IPC and CPC

Class C07,2013–2023, worldwide · Source: EPO PATSTAT

Class C07,2013–2023, worldwide · Source: EPO PATSTAT