After-treatment of single crystals or homogeneous polycrystalline material with defined structure (C30B31/00 takes precedence)

Introduced: January 1980

Title

Titles differ between systems:

IPC: After-treatment of single crystals or homogeneous polycrystalline material with defined structure

CPC: After-treatment of single crystals or homogeneous polycrystalline material with defined structure (C30B31/00 takes precedence)

Full titles differ between systems:

IPC:

After-treatment of single crystals or homogeneous polycrystalline material with defined structure

CPC:

After-treatment of single crystals or homogeneous polycrystalline material with defined structure (C30B31/00 takes precedence)

Of 5 combined children, 4 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1990.

Navigate with arrow keys, Enter to open

C30B 33/005 CPC only CPC only
C30B 33/02 Heat treatment (C30B33/04, C30B33/06 take precedence) since 1990 IPC+CPC Available in IPC and CPC
C30B 33/04 using electric or magnetic fields or particle radiation since 1990 IPC+CPC Available in IPC and CPC
C30B 33/06 Joining of crystals since 1990 IPC+CPC Available in IPC and CPC
C30B 33/08 Etching since 1990 IPC+CPC Available in IPC and CPC

Class C30,2013–2023, worldwide · Source: EPO PATSTAT

Class C30,2013–2023, worldwide · Source: EPO PATSTAT