Amorphous alloys (making amorphous non-ferrous alloys C22C1/11)

Introduced: January 1990

Title

Titles differ between systems:

IPC: Amorphous alloys

CPC: Amorphous alloys (making amorphous non-ferrous alloys C22C1/11)

Full titles differ between systems:

IPC:

Amorphous alloys

CPC:

Amorphous alloys (making amorphous non-ferrous alloys C22C1/11)

Of 10 combined children, 5 exist in both systems.

5 codes are CPC-only extensions.

IPC defines codes here since 1990.

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C22C 45/001 CPC only CPC only
C22C 45/003 CPC only CPC only
C22C 45/005 CPC only CPC only
C22C 45/006 CPC only CPC only
C22C 45/008 CPC only CPC only
C22C 45/02 with iron as the major constituent since 1990 IPC+CPC Available in IPC and CPC
C22C 45/04 with nickel or cobalt as the major constituent since 1990 IPC+CPC Available in IPC and CPC
C22C 45/06 with beryllium as the major constituent since 1990 IPC+CPC Available in IPC and CPC
C22C 45/08 with aluminium as the major constituent since 1990 IPC+CPC Available in IPC and CPC
C22C 45/10 with molybdenum, tungsten, niobium, tantalum, titanium, or zirconium as the major constituent since 1990 IPC+CPC Available in IPC and CPC

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

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