Treatment of tobacco products or tobacco substitutes

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form > Treatment of tobacco products or tobacco substitutes

CPC:

Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form (A24B3/00 takes precedence) > Treatment of tobacco products or tobacco substitutes

Of 6 combined children, 4 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 1980.

Child Classifications

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A24B 15/183 CPC only CPC only
A24B 15/186 CPC only CPC only
A24B 15/20 Biochemical treatment since 1980 IPC+CPC Available in IPC and CPC
A24B 15/22 by application of electric or wave energy or particle radiation since 1980 IPC+CPC Available in IPC and CPC
A24B 15/24 by extraction; Tobacco extracts since 1980 +1 CPC IPC+CPC Available in IPC and CPC
A24B 15/28 by chemical substances since 1980 +3 CPC IPC+CPC Available in IPC and CPC