Silicon; Compounds thereof ( C01B21/00, C01B23/00 take precedence; persilicates C01B15/14; carbides C01B32/956)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Silicon; Compounds thereof

CPC: Silicon; Compounds thereof ( C01B21/00, C01B23/00 take precedence; persilicates C01B15/14; carbides C01B32/956)

Full titles differ between systems:

IPC:

Silicon; Compounds thereof

CPC:

Silicon; Compounds thereof ( C01B21/00, C01B23/00 take precedence; persilicates C01B15/14; carbides C01B32/956)

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

3 shared codes have differing titles between IPC and CPC.

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C01B 33/02 Silicon (forming single crystals or homogeneous polycrystalline material with defined structure C30B) IPC+CPC Available in IPC and CPC
C01B 33/04 Hydrides of silicon +2 CPC IPC+CPC Available in IPC and CPC
C01B 33/06 Metal silicides (alloys C22) IPC+CPC Available in IPC and CPC
C01B 33/08 Compounds containing halogen IPC+CPC Available in IPC and CPC
C01B 33/113 Silicon oxides; Hydrates thereof since 1980 IPC+CPC Available in IPC and CPC
C01B 33/20 Silicates (persilicates C01B15/14 ) IPC+CPC Available in IPC and CPC