A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWINGTOBACCOSNUFFIn this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. A24B1/00 A24B1/00Preparation of tobacco on the plantation A24B1/02Arrangements in barns for preparatory treatment of the tobacco, e.g. with devices for drying A24B1/04Sifting, sorting, cleaning or removing impurities from tobacco A24B1/06Stringing tobacco leaves A24B1/08Suspending devices for tobacco leaves A24B1/10Packing or pressing tobacco A24B3/00Preparing tobacco in the factory A24B3/02Humidifying packed raw tobacco A24B3/04Humidifying or drying tobacco bunches or cut tobacco A24B3/12 takes precedence A24B3/06Loosening tobacco leaves or cut tobacco A24B3/07 takes precedence A24B3/07Cutting or removing tie leavesCutting-off stem butts A24B3/08Blending tobacco A24B3/10Roasting or cooling tobacco A24B3/12Steaming, curing, or flavouring tobacco A24B3/14Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakesForms of such products delustering A24C1/40 A24B3/16Classifying or aligning leaves A24B3/18Other treatment of leaves, e.g. puffing, crimpling, cleaning A24B3/182Puffing A24B3/185by impregnating with a liquid and subsequently freezing and evaporating this liquid A24B3/187by electrical treatment A24B5/00Stripping tobaccoTreatment of stems or ribs A24B5/02by plucking out the stem A24B5/04by cutting out the stem A24B5/06by stripping leaf-parts from the stem A24B5/08by cutting-off, shaving off, pressing flat the thick parts of stems or ribs A24B5/10by crushing the leaves with subsequent separating A24B5/12Auxiliary devices for stripping A24B5/14Flattening machines for leaves or stems A24B5/16Other treatment of stems or ribs, e.g. bending, chopping, incising humidifying A24B3/04 A24B7/00Cutting tobacco A24B7/02by machines with reciprocating knives A24B7/04by machines with revolving knives A24B7/06with two co-operating sets of knife discs A24B7/08with several knives which act one after the other A24B7/10with cutter axes parallel to the feeding direction A24B7/12with cutter axes transverse to the feeding direction A24B7/14Feeding or control devices for tobacco-cutting apparatus A24B9/00Control of the moisture content of tobacco products, e.g. cigars, cigarettes, pipe tobacco final drying of cigars A24C1/383, of cigarettes A24C5/603; devices for use by the smoker for controlling the moisture content of tobacco products A24F25/00 A24B11/00Tobacco-twisting machines A24B13/00Tobacco for pipes, for cigars, e.g. cigar inserts, or for cigarettesChewing tobaccoSnuff reconstituted tobacco products A24B3/14 A24B13/02Flakes or shreds of tobacco A24B15/00Chemical features or treatment of tobaccoTobacco substitutes, e.g. in liquid form A24B3/00 takes precedence In groups A24B15/30 - A24B15/42, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, classification is made in the last appropriate place for a substance.This Note corresponds to IPC Note (1) relating to A24B15/30 - A24B15/42. A24B15/10Chemical features of tobacco products or tobacco substitutes A24B15/12of reconstituted tobacco A24B15/14made of tobacco and a binding agent not derived from tobacco A24B15/16of tobacco substitutes A24B15/165comprising as heat source a carbon fuel or an oxidized or thermally degraded carbonaceous fuel, e.g. carbohydrates, cellulosic material A24B15/167in liquid or vaporisable form, e.g. liquid compositions for electronic cigarettes A24B15/18Treatment of tobacco products or tobacco substitutes A24B15/183sterilization, preservation or biological decontamination A24B15/186by coating with a coating composition, encapsulation of tobacco particles encapsulation of additives other than tobacco : A24B15/283 A24B15/20Biochemical treatment A24B15/22by application of electric or wave energy or particle radiation A24B15/24by extractionTobacco extracts A24B15/241Extraction of specific substances A24B15/243Nicotine A24B15/245Nitrosamines A24B15/246Polycyclic aromatic compounds A24B15/248Heavy metals A24B15/26Use of organic solvents for extraction A24B15/28by chemical substancesIn groups A24B15/30 - A24B15/42, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, classification is made in the last appropriate place for a substance.
This Note corresponds to IPC Note (1) relating to A24B15/30 - A24B15/42. A24B15/281the action of the chemical substances being delayed A24B15/282by indirect addition of the chemical substances, e.g. in the wrapper, in the case A24B15/283by encapsulation of the chemical substances A24B15/284the additive being bound to a host by chemical, electrical or like forces, e.g. use of precursors, inclusion complexes A24B15/285characterised by structural features, e.g. particle shape or size A24B15/286Nanoparticles A24B15/287by inorganic substances only A24B15/288Catalysts or catalytic material, e.g. included in the wrapping material A24B15/30by organic substances A24B15/281 takes precedence A24B15/301by aromatic compounds A24B15/302by natural substances obtained from animals or plants A24B15/303Plant extracts other than tobacco A24B15/305of undetermined constitution characterised by their preparation A24B15/306one reactant being an amino acid or a protein, e.g. Maillard's reaction A24B15/307 takes precedence A24B15/307using microorganisms or enzymes as catalysts A24B15/308vitamins A24B15/32by acyclic compounds A24B15/34containing a carbocyclic ring other than a six-membered aromatic ring A24B15/345containing condensed rings A24B15/36containing a heterocyclic ring A24B15/365having nitrogen and sulfur as hetero atoms in the same ring A24B15/38having only nitrogen as hetero atom A24B15/385in a five-membered ring A24B15/40having only oxygen or sulfur as hetero atoms A24B15/403having only oxygen as hetero atoms A24B15/406in a five-membered ring A24B15/42by organic and inorganic substances A24B15/281 takes precedence