IPC Subgroup
A24B 15/24 by extraction; Tobacco extracts
Introduced: January 1980
Last revised: January 2006
Full Title
Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form > Treatment of tobacco products or tobacco substitutes > by extraction; Tobacco extracts
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- Subclass:
- MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
Related Keywords
making tobacco-extracts
1 direct subcode
Child Classifications
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- A24B 15/26 Use of organic solvents for extraction