Treating of wood not provided for in groups B27K1/00, B27K3/00

Introduced: September 1968

Title

Titles differ between systems:

IPC: Staining or dyeing wood; Bleaching wood; Treating of wood not provided for in groups or

CPC: Treating of wood not provided for in groups B27K1/00, B27K3/00

Full titles differ between systems:

IPC:

Staining or dyeing wood; Bleaching wood; Treating of wood not provided for in groups or

CPC:

Treating of wood not provided for in groups B27K1/00, B27K3/00

CPC subdivides this area 4x more granularly than IPC with 8 additional codes.

8 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

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B27K 5/0005 CPC only CPC only
B27K 5/001 CPC only CPC only
B27K 5/0015 +1 CPC CPC only CPC only
B27K 5/0025 CPC only CPC only
B27K 5/003 +7 CPC CPC only CPC only
B27K 5/007 +2 CPC CPC only CPC only
B27K 5/0085 +1 CPC CPC only CPC only
B27K 5/0095 CPC only CPC only
B27K 5/02 Staining or dyeing wood ; Bleaching wood (bleaching wood pulp D21C9/10) IPC+CPC Available in IPC and CPC
B27K 5/04 Combined bleaching or impregnating and drying of wood IPC+CPC Available in IPC and CPC
B27K 5/06 Softening or hardening of wood +1 CPC IPC+CPC Available in IPC and CPC

Class B27,2013–2023, worldwide · Source: EPO PATSTAT

Class B27,2013–2023, worldwide · Source: EPO PATSTAT