| IPC 7 English version |
| A24-A24B01542 |
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| SECTION A – HUMAN NECESSITIES |
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| A 24 | TOBACCO; CIGARS; CIGARETTES; SMOKERS' REQUISITES |
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| A 24 B | MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF |
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| Subclass Index |
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| PREPARATION |
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| STRIPPING; CUTTING; HUMIDIFYING |
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| TWISTING MACHINES |
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| CHEMICAL TREATMENT |
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| TOBACCO |
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1/ | 00 | Preparation of tobacco on the plantation (harvesters for tobacco A01D 45/16) |
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1/ | 02 | . | Arrangements in barns for preparatory treatment of the tobacco, e.g. with devices for drying |
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1/ | 04 | . | Sifting, sorting, cleaning or removing impurities from tobacco (purifying by sifting or sorting in general B07B) |
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1/ | 06 | . | Stringing tobacco leaves |
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1/ | 08 | . | Suspending devices for tobacco leaves |
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1/ | 10 | . | Packing or pressing tobacco |
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3/ | 00 | Preparing tobacco in the factory |
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3/ | 02 | . | Humidifying packed raw tobacco (containers for packaging contents in moist condition B65D 81/22) |
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3/ | 04 | . | Humidifying or drying tobacco bunches or cut tobacco (A24B 3/12 takes precedence) |
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3/ | 06 | . | Loosening tobacco leaves or cut tobacco (A24B 3/07 takes precedence) |
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3/ | 07 | . | Cutting or removing tie leaves; Cutting-off stem butts |
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3/ | 08 | . | Blending tobacco |
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3/ | 10 | . | Roasting or cooling tobacco |
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3/ | 12 | . | Steaming, curing, or flavouring tobacco |
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3/ | 14 | . | Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products (delustering A24C 1/40; tobacco or cigarette paper D21H) |
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3/ | 16 | . | Classifying or aligning leaves |
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3/ | 18 | . | Other treatment of leaves, e.g. puffing, crimpling, cleaning |
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5/ | 00 | Stripping tobacco; Treatment of stems or ribs |
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5/ | 02 | . | by plucking out the stem |
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5/ | 04 | . | by cutting out the stem |
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5/ | 06 | . | by stripping leaf-parts from the stem |
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5/ | 08 | . | by cutting-off, shaving off, pressing flat the thick parts of stems or ribs |
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5/ | 10 | . | by crushing the leaves with subsequent separating |
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5/ | 12 | . | Auxiliary devices for stripping |
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5/ | 14 | . | Flattening machines for leaves or stems |
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5/ | 16 | . | Other treatment of stems or ribs, e.g. bending, chopping, incising (humidifying A24B 3/04) |
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7/ | 00 | Cutting tobacco (hand-cutting tools B26B; slicing in general B26D 1/00, B26D 3/00) |
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7/ | 02 | . | by machines with reciprocating knives |
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7/ | 04 | . | by machines with revolving knives |
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7/ | 06 | . | . | with two co-operating sets of knife discs |
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7/ | 08 | . | . | with several knives which act one after the other |
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7/ | 10 | . | . | . | with cutter axes parallel to the feeding direction |
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7/ | 12 | . | . | . | with cutter axes transverse to the feeding direction |
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7/ | 14 | . | Feeding or regulating devices for tobacco-cutting apparatus |
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9/ | 00 | Control of the moisture content of tobacco products, e.g. cigars, cigarettes, pipe tobacco (devices for use by the smoker for controlling the moisture content of tobacco products A24F 25/00) |
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11/ | 00 | Tobacco-twisting machines |
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13/ | 00 | Tobacco for pipes, for cigars, e.g. cigar inserts, or for cigarettes; Chewing tobacco; Snuff (mechanical treatment A24B 3/00 to A24B 11/00; reconstituted tobacco products A24B 3/14; chemical features or treatment of tobacco A24B 15/00) |
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13/ | 02 | . | Flakes or shreds of tobacco |
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15/ | 00 | Chemical features or treatment of tobacco; Tobacco substitutes (A24B 3/00 takes precedence) |
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15/ | 10 | . | Chemical features of tobacco products or tobacco substitutes [3] |
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15/ | 12 | . | . | of reconstituted tobacco [3] |
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15/ | 14 | . | . | . | made of tobacco and a binding agent not derived from tobacco [3] |
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15/ | 16 | . | . | of tobacco substitutes [3] |
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15/ | 18 | . | Treatment of tobacco products or tobacco substitutes [3] |
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15/ | 20 | . | . | Biochemical treatment [3] |
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15/ | 22 | . | . | by application of electric or wave energy or particle radiation [3] |
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15/ | 24 | . | . | by extraction; Tobacco extracts [3] |
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15/ | 26 | . | . | . | Use of organic solvents for extraction [3] |
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15/ | 28 | . | . | by chemical substances [3] |
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| Note |
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| In groups A24B 15/30 to A24B 15/42, in the absence of an indication to the contrary, classification is made in the last appropriate place for a substance. [3] |
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15/ | 30 | . | . | . | by organic substances [3] |
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15/ | 32 | . | . | . | . | by acyclic compounds [3] |
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15/ | 34 | . | . | . | . | containing a carbocyclic ring other than a six-membered aromatic ring [3] |
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15/ | 36 | . | . | . | . | containing a heterocyclic ring [3] |
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15/ | 38 | . | . | . | . | . | having only nitrogen as hetero-atoms [3] |
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15/ | 40 | . | . | . | . | . | having only oxygen or sulfur as hetero-atoms [3] |
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15/ | 42 | . | . | . | by organic and inorganic substances [3] |
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