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Class Information
Number: 131/335
Name: Tobacco > Smoke separator or treater > By adding constituent to smoke stream
Description: Product or process wherein the separator or treater is a means which allows the addition of a heretofore not present constituent to the smoke stream.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7546839 |
Colored smoke module for cigarette |
Jun. 16, 2009 |
| 7381277 |
Flavoring a cigarette by using a flavored filter plug wrap |
Jun. 3, 2008 |
| 7231923 |
Smoking article including a catalytic smoke reformer |
Jun. 19, 2007 |
| 6832612 |
Cigarette filter with scavenging effect on free radicals in cigarette smoke and its preparation method |
Dec. 21, 2004 |
| 6792953 |
Tobacco smoke filter |
Sep. 21, 2004 |
| 6772768 |
Cigarette filters of shaped micro cavity fibers impregnated with flavorant materials |
Aug. 10, 2004 |
| 6761174 |
Cigarette and filter with downstream flavor addition |
Jul. 13, 2004 |
| 6748956 |
Cigarette filter and cigarette |
Jun. 15, 2004 |
| 6701935 |
Incorporation of smoke-modifying agents in smoking material rods |
Mar. 9, 2004 |
| 6645305 |
Smoke modifying agents and smoking material rods comprising smoke-modifying agents |
Nov. 11, 2003 |
| 6530377 |
Cigarette filter containing dry water and a porphyrin |
Mar. 11, 2003 |
| 6502582 |
Thin cigarettes having filter elements with distinct relative retentions |
Jan. 7, 2003 |
| 6475288 |
Smoke-modifying agents and smoking material rods comprising smoke-modifying agents |
Nov. 5, 2002 |
| 6378528 |
Cigarette with improved tobacco substrate |
Apr. 30, 2002 |
| 6318376 |
Filter tip structure for cigarette |
Nov. 20, 2001 |
| 6202650 |
Filter-tipped cigarette and filter for a cigarette |
Mar. 20, 2001 |
| 6178969 |
Aerosol delivery smoking article |
Jan. 30, 2001 |
| 5996589 |
Aerosol-delivery smoking article |
Dec. 7, 1999 |
| 5896861 |
Process for aromatizing and/or filtering tobacco smoke, cigarette end piece for carrying out the process and use of this process |
Apr. 27, 1999 |
| 5746231 |
Tobacco smoke filter for removing toxic compounds |
May. 5, 1998 |
| 5738120 |
Smoking articles |
Apr. 14, 1998 |
| 5709228 |
Cigarette with decreased sidestream smoke |
Jan. 20, 1998 |
| 5692526 |
Cigarette for electrical smoking system |
Dec. 2, 1997 |
| 5615694 |
Method of modifying and aromatizing the primary or secondary smoke of smoking products |
Apr. 1, 1997 |
| 5549124 |
Water filter for cigarettes |
Aug. 27, 1996 |
| 5540241 |
Cigarette holder with filter |
Jul. 30, 1996 |
| 5472002 |
Cigarette filter for administering taurine by inhalation |
Dec. 5, 1995 |
| 5465739 |
Cigarette and cigarette filter element therefor |
Nov. 14, 1995 |
| 5458107 |
Flavor cigarettes |
Oct. 17, 1995 |
| 5396911 |
Substrate material for smoking articles |
Mar. 14, 1995 |
| 5383478 |
Low tar and low nicotine cigarette adapted to provide enhanced smoking satisfaction |
Jan. 24, 1995 |
| 5331981 |
Smoking article having flavor solution releasably housed in a plastic container |
Jul. 26, 1994 |
| 5275859 |
Tobacco smoke filter |
Jan. 4, 1994 |
| 5269327 |
Electrical smoking article |
Dec. 14, 1993 |
| 5269329 |
Method of producing tobacco flavored cigarette filter |
Dec. 14, 1993 |
| 5261425 |
Cigarette |
Nov. 16, 1993 |
| 5246017 |
Cigarette and cigarette filter element therefor |
Sep. 21, 1993 |
| 5240016 |
Thermally releasable gel-based flavor source for smoking articles |
Aug. 31, 1993 |
| 5240015 |
Wetted impact barrier for the reduction of tar and nicotine in cigarette smoke |
Aug. 31, 1993 |
| 5191905 |
Filter cigarette having filter containing absorptive synthetic graft polymer fibers produced from irradiated polyethylene reacted with vapor phase styrene or absorptive synthetic magnetic fibe |
Mar. 9, 1993 |
| 5190061 |
Cigarette smoke filter |
Mar. 2, 1993 |
| 5183062 |
Cigarette |
Feb. 2, 1993 |
| 5179966 |
Flavor generating article |
Jan. 19, 1993 |
| 5159940 |
Smoking article |
Nov. 3, 1992 |
| 5158099 |
Wetted impact barrier for the reduction of tar and nicotine in cigarette smoke |
Oct. 27, 1992 |
| 5154191 |
Wrappers for smoking articles, methods of making such wrappers and smoking articles made from such wrappers - case I |
Oct. 13, 1992 |
| 5150722 |
Multi-layer scent emitting article and device adapted to employ same |
Sep. 29, 1992 |
| 5144967 |
Flavor release material |
Sep. 8, 1992 |
| 5144962 |
Flavor-delivery article |
Sep. 8, 1992 |
| 5144966 |
Filamentary flavorant-release additive for smoking compositions |
Sep. 8, 1992 |
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