Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00

Introduced: September 1968

Title

Titles differ between systems:

IPC: Alloys based on rhenium or a refractory metal not mentioned in groups or

CPC: Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00

Full titles differ between systems:

IPC:

Alloys based on rhenium or a refractory metal not mentioned in groups or

CPC:

Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

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C22C 27/02 Alloys based on vanadium, niobium, or tantalum since 1974 +1 CPC IPC+CPC Available in IPC and CPC
C22C 27/04 Alloys based on tungsten or molybdenum since 1974 IPC+CPC Available in IPC and CPC
C22C 27/06 Alloys based on chromium since 1974 IPC+CPC Available in IPC and CPC

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

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