DIFF Subgroup
C01B 35/02 Boron; Borides
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Boron; Compounds thereof > Boron; Borides
CPC:
Boron; Compounds thereof (monoborane, diborane, metal borohydrides or addition complexes thereof C01B6/00; perborates C01B15/12; binary compounds with nitrogen C01B21/06; ; phosphides C01B25/08; carbides C01B32/991; alloys containing boron C22) > Boron; Borides
CPC subdivides this area 3x more granularly than IPC with 2 additional codes.
2 codes are CPC-only extensions.
IPC defines codes here since 1974.
Child Classifications
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