Chemical features or treatment of tobacco Tobacco substitutes

AHUMAN NECESSITIES A24Tobacco products A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING TOBACCO SNUFF

A24B15/00Chemical features or treatment of tobacco Tobacco substitutes

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 oxydized or thermally degraded carbonaceous fuel 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 A24B15/20Biochemical treatment A24B15/22by application of electric or wave energy or particle radiation A24B15/24by extraction Tobacco 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 substances A24B15/281the action of the chemical substances being delayed A24B15/282by indirect addition of the chemical substances A24B15/283by encapsulation of the chemical substances A24B15/284the additive being bound to a host by chemical, electrical or like forces A24B15/285characterised by structural features A24B15/286Nanoparticles A24B15/287by inorganic substances only A24B15/288Catalysts or catalytic material A24B15/30by organic substances 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 A24B15/307using micro-organisms or enzymes as catalysts A24B15/308vitamins A24B15/32by acylic 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