Making alloys containing metallic or non-metallic fibres or filaments

Introduced: January 2000

Of 6 combined children, 5 exist in both systems.

1 codes are CPC-only extensions.

Note: 1 CPC extensions are marked as secondary classification only.

IPC defines codes here since 2000.

Child Classifications

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C22C 2047/005 2nd only CPC only CPC only
C22C 47/02 Pretreatment of the fibres or filaments since 2000 +1 CPC IPC+CPC Available in IPC and CPC
C22C 47/08 by contacting the fibres or filaments with molten metal, e.g. by infiltrating the fibres or filaments placed in a mould since 2000 IPC+CPC Available in IPC and CPC
C22C 47/14 by powder metallurgy, i.e. by processing mixtures of metal powder and fibres or filaments since 2000 IPC+CPC Available in IPC and CPC
C22C 47/16 by thermal spraying of the metal, e.g. plasma spraying since 2000 IPC+CPC Available in IPC and CPC
C22C 47/20 by subjecting to pressure and heat an assembly comprising at least one metal layer or sheet and one layer of fibres or filaments since 2000 +1 CPC IPC+CPC Available in IPC and CPC

Class C22,2013–2023, worldwide · Source: EPO PATSTAT

Class C22,2013–2023, worldwide · Source: EPO PATSTAT