DIFF Subgroup
A24B 15/26 Use of organic solvents for extraction
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 > by extraction; Tobacco extracts > Use of organic solvents for extraction
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 > by extraction; Tobacco extracts > Use of organic solvents for extraction
No child classifications to compare. This is a leaf node in both IPC and CPC.