Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form

Introduced: September 1968

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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B32B 3/02 characterised by features of form at particular places, e.g. in edge regions IPC+CPC Available in IPC and CPC
B32B 3/10 characterised by a discontinuous layer, i.e. formed of separate pieces of material −1 IPC IPC+CPC Available in IPC and CPC
B32B 3/26 characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids +2 CPC IPC+CPC Available in IPC and CPC