A
SECTION A — HUMAN NECESSITIES
  
FOODSTUFFS; TOBACCO
 A24
TOBACCO; CIGARS; CIGARETTES; SMOKERS' REQUISITES
 A24B
MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
 A24B 1/00
Preparation of tobacco on the plantation (harvesters for tobacco A01D 45/16)
 A24B 1/02
·  Arrangements in barns for preparatory treatment of the tobacco, e.g. with devices for drying
 A24B 1/04
·  Sifting, sorting, cleaning or removing impurities from tobacco (purifying by sifting or sorting in general B07B)
 A24B 1/06
·  Stringing tobacco leaves
 A24B 1/08
·  Suspending devices for tobacco leaves
 A24B 1/10
·  Packing or pressing tobacco
 A24B 3/00
Preparing tobacco in the factory
 A24B 3/02
·  Humidifying packed raw tobacco (containers for packaging contents in moist condition B65D 81/22)
 A24B 3/04
·  Humidifying or drying tobacco bunches or cut tobacco (A24B 3/12 takes precedence)
 A24B 3/06
·  Loosening tobacco leaves or cut tobacco (A24B 3/07 takes precedence)
 A24B 3/07
·  Cutting or removing tie leaves; Cutting-off stem butts
 A24B 3/08
·  Blending tobacco
 A24B 3/10
·  Roasting or cooling tobacco
 A24B 3/12
·  Steaming, curing, or flavouring tobacco
 A24B 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 5/16)
 A24B 3/16
·  Classifying or aligning leaves
 A24B 3/18
·  Other treatment of leaves, e.g. puffing, crimpling, cleaning
 A24B 5/00
Stripping tobacco; Treatment of stems or ribs
 A24B 5/02
·  by plucking out the stem
 A24B 5/04
·  by cutting out the stem
 A24B 5/06
·  by stripping leaf-parts from the stem
 A24B 5/08
·  by cutting-off, shaving off, pressing flat the thick parts of stems or ribs
 A24B 5/10
·  by crushing the leaves with subsequent separating
 A24B 5/12
·  Auxiliary devices for stripping
 A24B 5/14
·  Flattening machines for leaves or stems
 A24B 5/16
·  Other treatment of stems or ribs, e.g. bending, chopping, incising (humidifying A24B 3/04)
 A24B 7/00
Cutting tobacco (hand cutting tool B26B; slicing in general B26D 1/00, B26D 3/00)
 A24B 7/02
·  by machines with reciprocating knives
 A24B 7/04
·  by machines with revolving knives
 A24B 7/06
·  ·  with two co-operating sets of knife discs
 A24B 7/08
·  ·  with several knives which act one after the other
 A24B 7/10
·  ·  ·  with cutter axes parallel to the feeding direction
 A24B 7/12
·  ·  ·  with cutter axes transverse to the feeding direction
 A24B 7/14
·  Feeding or regulating devices for tobacco-cutting apparatus
 A24B 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; humidity control per se G05D 22/00)
 A24B 11/00
Tobacco-twisting machines
 A24B 13/00
Tobacco for pipes, for cigars, e.g. cigar inserts, or for cigarettes; Chewing tobacco; Snuff (mechanical treatment A24B 3/00-A24B 11/00; reconstituted tobacco products A24B 3/14; chemical features or treatment of tobacco A24B 15/00)
 A24B 13/02
·  Flakes or shreds of tobacco
 A24B 15/00
Chemical features or treatment of tobacco; Tobacco substitutes (A24B 3/00 takes precedence)
 A24B 15/10
·  Chemical features of tobacco products or tobacco substitutes  [3]
 A24B 15/12
·  ·  of reconstituted tobacco  [3]
 A24B 15/14
·  ·  ·  made of tobacco and a binding agent not derived from tobacco  [3]
 A24B 15/16
·  ·  of tobacco substitutes  [3]
 A24B 15/18
·  Treatment of tobacco products or tobacco substitutes  [3]
 A24B 15/20
·  ·  Biochemical treatment  [3]
 A24B 15/22
·  ·  by application of electric or wave energy or particle radiation  [3]
 A24B 15/24
·  ·  by extraction; Tobacco extracts  [3]
 A24B 15/26
·  ·  ·  Use of organic solvents for extraction  [3]
 A24B 15/28
·  ·  by chemical substances  [3]
 A24B 15/30 - 
A24B 15/42

Note(s)

In groups A24B 15/30-A24B 15/42, in the absence of an indication to the contrary, an invention is classified in the last appropriate place for a substance. [3]

 A24B 15/30
·  ·  ·  by organic substances  [3]
 A24B 15/32
·  ·  ·  ·  by acyclic compounds  [3]
 A24B 15/34
·  ·  ·  ·  containing a carbocyclic ring other than a six-membered aromatic ring  [3]
 A24B 15/36
·  ·  ·  ·  containing a heterocyclic ring  [3]
 A24B 15/38
·  ·  ·  ·  ·  having only nitrogen as hetero-atoms  [3]
 A24B 15/40
·  ·  ·  ·  ·  having only oxygen or sulphur as hetero-atoms  [3]
 A24B 15/42
·  ·  ·  by organic and inorganic substances  [3]