| Patents for A24B 15 - Chemical features or treatment of tobacco; Tobacco substitutes (7,812) |
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| 09/04/1991 | CN1054181A Tobacco processing |
| 08/28/1991 | EP0443761A1 Tobacco processing |
| 08/28/1991 | EP0443321A2 Tobacco sheet and process and apparatus for its preparation |
| 08/28/1991 | EP0442937A1 Optimizing the oxidation of carbon monoxide |
| 08/27/1991 | US5042509 Method for making aerosol generating cartridge |
| 08/24/1991 | CA2035792A1 Tobacco processing |
| 08/20/1991 | US5041678 Cycloaliphatic ketones for use as perfuming and flavoring ingredients |
| 08/20/1991 | US5040552 Carbon monooxide free iron carbide particles; nontoxic cigarettes |
| 08/20/1991 | US5040551 Optimizing the oxidation of carbon monoxide |
| 08/20/1991 | US5040550 Tobacco treatment apparatus and process |
| 08/14/1991 | CN1053739A Method and apparatus for producing sheet tobacco |
| 08/13/1991 | US5038802 Heating tabocco, collecting volatilized substances |
| 08/07/1991 | EP0440092A2 Method and apparatus for producing sheet tobacco |
| 08/07/1991 | EP0440022A2 Process for extracting alkaloids from tobacco |
| 08/07/1991 | CN1053535A New-type cigarette and its production |
| 07/31/1991 | CN1053359A Specially-made acanthopanax root health inhalant product and manufacturing method thereof |
| 07/31/1991 | CN1013338B Method for modifying substrate material for use with smoking articles and product produced thereby |
| 07/31/1991 | CN1013337B Tobacco material processing method |
| 07/30/1991 | US5035252 Nicotine-containing dental floss |
| 07/16/1991 | US5031646 Levulinic acid salt |
| 07/11/1991 | WO1991009599A1 Smoking substitute |
| 07/03/1991 | EP0434899A2 Compositions and articles for stimulating taste receptors |
| 07/02/1991 | US5027836 Insulated smoking article |
| 06/29/1991 | CA2027928A1 Compositions and articles for stimulating taste receptors |
| 06/26/1991 | EP0434339A2 Cigarette and cigarette filter element therefor |
| 06/26/1991 | EP0434333A2 Tobacco extract treatment process |
| 06/26/1991 | EP0434332A2 Cigarette and cigarette filter element therefor |
| 06/25/1991 | US5025812 Tobacco processing |
| 06/19/1991 | CA2032380A1 Tobacco treatment process |
| 06/19/1991 | CA2032379A1 Cigarette and cigarette filter element therefor |
| 06/19/1991 | CA2032378A1 Cigarette and cigarette filter element therefor |
| 06/11/1991 | US5023347 Process for preparing compositions containing unsaturated lactones, products produced thereby and organoleptic uses of said products |
| 06/05/1991 | EP0430658A2 Chemical heat source comprising metal nitride, metal oxide and carbon |
| 06/04/1991 | US5021184 Adamantane derivatives, compositions of matter containing same, processes for preparing said adamantane derivatives and said compositions, and organoleptic and deodorancy uses of said adamantane derivatives and said compositions |
| 06/04/1991 | US5020548 Smoking article with improved fuel element |
| 05/28/1991 | US5018541 Aloe sprinkled with tobacco powder |
| 05/28/1991 | US5018540 Process for removal of basic materials |
| 05/28/1991 | CA1284445C Tobacco leaf processing |
| 05/22/1991 | CN1051492A Carbon fuel element and mehtod for mfg. same |
| 05/21/1991 | US5017235 Smoking compositions containing a 2,5-diacylpyrazine flavorant additive |
| 05/21/1991 | US5016655 Cigarette manufacturing process |
| 05/21/1991 | US5016654 Flavor substances for smoking articles |
| 05/16/1991 | WO1991006321A1 Use of honey as vaccine |
| 05/15/1991 | CN2076758U 磁性烟盒 Magnetic cigarette |
| 05/15/1991 | CN1051291A Agent for tobacco treatment |
| 05/14/1991 | CA1284025C Method for preparing carbon fuel for smoking articles and product produced thereby |
| 05/08/1991 | WO1991006288A1 A nicotine containing stimulant unit |
| 05/07/1991 | US5012829 Flavored cigarette filters, and methods and apparatus for making same |
| 04/24/1991 | EP0423219A1 Improvements in or relating to the preparation of cigarette fillings. |
| 04/17/1991 | CN1012336B Mould-proof method for cigarette tobacco under natural environment |
| 04/16/1991 | US5007440 Slurrying combustible material with foaming agent and polymeric film-forming agent |
| 04/10/1991 | CN1050494A Cigarette and smokable filler material therefor |
| 04/10/1991 | CN1050493A Cigarette and smokable filler material therefor |
| 04/10/1991 | CN1050492A Acceleration technology for tobacco natural alcoholization by using waste heat of rebaking process |
| 04/10/1991 | CN1050491A Cigarette and smokable filler material therefor |
| 04/09/1991 | US5005593 Process for providing tobacco extracts |
| 04/03/1991 | EP0419981A2 Cigarette and smokable filler material therefor |
| 04/03/1991 | EP0419975A2 Cigarette and smokable filler material therefor |
| 04/03/1991 | EP0419974A2 Cigarette and smokable filler material therefor |
| 04/03/1991 | EP0419733A2 Cigarette |
| 04/02/1991 | US5003995 Compositions and articles for stimulating taste receptors |
| 03/30/1991 | CA2026537A1 Cigarette and smokable filler material therefor |
| 03/27/1991 | EP0418465A2 Tobacco smoking article |
| 03/26/1991 | CA1281969C Process for providing tobacco extender material |
| 03/20/1991 | EP0230420B1 Tobacco compositions and device for release and administration of nicotine in gaseous form |
| 03/20/1991 | CN1049963A Method of adding nicotinic acetate into cut tobacco |
| 03/19/1991 | US5000198 Menthol mixtures for treatment of tobacco leaves |
| 03/13/1991 | CN1049778A Method for accelerating fermentation of leaf tobacco by use of ultraviolet ray |
| 03/06/1991 | WO1991003237A1 Compositions and methods of manufacture of oral dissolvable medicaments |
| 03/05/1991 | CA1280947C Process for providing tobacco extender material |
| 02/28/1991 | DE3926780A1 Low condensate tobacco products giving reduced rick of cancer - have raised nicotine content obtd. by enclosing nicotine in combustible casing of synthetic material, e.g. polyethylene |
| 02/26/1991 | US4995407 Tobacco-free, artificial flavoring material resembling both appearance and tactile sensation to cigaratte |
| 02/20/1991 | EP0413162A2 Novel cyclic acetals |
| 02/20/1991 | CN1049275A Tobacco processing |
| 02/19/1991 | US4993434 Cigarette rods with liquid flavor centers |
| 02/13/1991 | EP0412768A2 Tobacco processing |
| 02/12/1991 | US4992106 Novel oxo-ionol carbonates useful as tobacco flavorants |
| 02/12/1991 | US4991606 Smoking article |
| 02/12/1991 | US4991605 Container for additive materials for smoking articles |
| 02/12/1991 | US4991599 Fiberless tobacco product for smoking and chewing |
| 02/12/1991 | US4991596 Organoleptic |
| 02/11/1991 | CA2021455A1 Tobacco processing |
| 02/06/1991 | CN1048971A Quick-acting medicinal cigarette |
| 02/05/1991 | US4990496 (-)-(1s)-1-(2',2'-6'-trimethyl-2'-cyclo-hexene-1'-yl)-2-butene-1-one |
| 02/05/1991 | US4989620 Surface treatment with flavors, adjuvants |
| 02/05/1991 | US4989619 Smoking article with improved fuel element |
| 02/01/1991 | WO1991001656A1 Means for use as an aid to stop smoking or for use in non-smoking areas |
| 01/30/1991 | EP0395683A4 Nicotine compositions |
| 01/29/1991 | US4987907 Dipping in powdered cellulose casing solution |
| 01/29/1991 | US4987906 Solvent extraction, separation, shaping, contacting with phosphate |
| 01/22/1991 | US4986286 Spray-dried aqueous extract in glycerol on alumina beads as cigarette replacements |
| 01/16/1991 | EP0408175A2 Process for reducing the protein content of tobacco material |
| 01/16/1991 | EP0407792A2 Smoking article |
| 01/15/1991 | US4985403 Use of adamantane derivatives in augmenting or enhancing the aroma of consumable materials |
| 01/02/1991 | EP0405929A2 Cigarette rods with liquid flavor centers |
| 01/02/1991 | EP0405190A2 Extruded cigarette |
| 01/01/1991 | US4981522 Cigarettes |
| 12/27/1990 | EP0404579A1 Improvements relating to the making of smoking article rods |
| 12/27/1990 | EP0404475A2 Process and apparatus for the treatment of material such as tobacco |
| 12/27/1990 | EP0404473A2 Tobacco expansion process |