Binary compounds of nitrogen with metals, with silicon, or with boron, (azides C01B21/08)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Binary compounds of nitrogen with metals, with silicon, or with boron

CPC: Binary compounds of nitrogen with metals, with silicon, or with boron, (azides C01B21/08)

Full titles differ between systems:

IPC:

Nitrogen; Compounds thereof > Binary compounds of nitrogen with metals, with silicon, or with boron

CPC:

Nitrogen; Compounds thereof > Binary compounds of nitrogen with metals, with silicon, or with boron, (azides C01B21/08)

CPC subdivides this area 3x more granularly than IPC with 8 additional codes.

8 codes are CPC-only extensions.

IPC defines codes here since 1980.

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C01B 21/0602 CPC only CPC only
C01B 21/0605 CPC only CPC only
C01B 21/0607 +1 CPC CPC only CPC only
C01B 21/0612 CPC only CPC only
C01B 21/0615 +6 CPC CPC only CPC only
C01B 21/0632 CPC only CPC only
C01B 21/0635 CPC only CPC only
C01B 21/0637 CPC only CPC only
C01B 21/064 with boron since 1980 +5 CPC IPC+CPC Available in IPC and CPC
C01B 21/068 with silicon since 1980 +3 CPC IPC+CPC Available in IPC and CPC
C01B 21/072 with aluminium since 1980 +3 CPC IPC+CPC Available in IPC and CPC
C01B 21/076 with titanium or zirconium since 1980 +5 CPC IPC+CPC Available in IPC and CPC