based on borides, nitrides, or silicides

Introduced: September 1968

Title

Titles differ between systems:

IPC: based on borides, nitrides or silicides

CPC: based on borides, nitrides, or silicides

Full Title

Full titles differ between systems:

IPC:

Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products > based on non-oxides > based on borides, nitrides or silicides

CPC:

Shaped ceramic products characterised by their composition ; Ceramics compositions ( containing free metal bonded to carbides, diamond, oxides, borides, nitrides, silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides or sulfides other than as macroscopic reinforcing agents C22C); Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products > based on non-oxide ceramics > based on borides, nitrides, or silicides

Of 8 combined children, 4 exist in both systems.

4 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1995.

Child Classifications

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C04B 35/58007 +2 CPC CPC only CPC only
C04B 35/58042 CPC only CPC only
C04B 35/5805 +2 CPC CPC only CPC only
C04B 35/58085 +1 CPC CPC only CPC only
C04B 35/581 based on aluminium nitride since 1995 IPC+CPC Available in IPC and CPC
C04B 35/583 based on boron nitride since 1995 −2 IPC IPC+CPC Available in IPC and CPC
C04B 35/584 based on silicon nitride since 1995 −1 IPC IPC+CPC Available in IPC and CPC
C04B 35/597 based on silicon oxynitride, since 1995 IPC+CPC Available in IPC and CPC