Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 8443812 | Smoking articles having reduced carbon monoxide delivery The present invention is directed to smoking articles having reduced carbon monoxide delivery are described. A carbon monoxide reducing agent is incorporated into the smoking article in order to reduce carbon monoxide levels in mainstream smoke. The carbon monoxide ... | 05/21/2013 |
| 8397733 | Degradable cigarette filter: pill with multilayered coating A degradable cigarette filter includes a filter element of a bloomed cellulose acetate tow and a plug wrap surrounding the filter element, and a pill dispersed in the tow. The pill includes a material adapted to catalyze hydrolysis of the cellulose acetate tow that ... | 03/19/2013 |
| 8360073 | Silver and silver oxide catalysts for the oxidation of carbon monoxide in cigarette smoke A component of a cigarette comprises a silver-based catalyst for the conversion of carbon monoxide to carbon dioxide. The silver-based catalyst comprises particles (e.g., nanoscale or larger sized particles) of metallic silver and/or silver oxide supported in and/or... | 01/29/2013 |
| 8353301 | Smoking articles having reduced carbon monoxide delivery The present invention is directed to smoking articles having reduced carbon monoxide delivery are described. A carbon monoxide reducing agent is incorporated into the smoking article in order to reduce carbon monoxide levels in mainstream smoke. The carbon monoxide ... | 01/15/2013 |
| 8281793 | Formation and deposition of sputtered nanoscale particles in cigarette manufacture Nanoscale particles are formed and deposited in situ on tobacco cut filler, cigarette paper and/or cigarette filter materials by physical vapor deposition. The nanoscale particles are capable of acting as an oxidant for the conversion of carbon monoxide to carbon di... | 10/09/2012 |
| 8066010 | Thermally insulative smoking article filter components A filter component includes a catalyst surrounded by a thermally insulative carbon fiber composite. The catalyst can catalyze the chemical reaction of selected gaseous constituents of a gas stream. During catalysis, the catalyst can reach high temperatures. The carb... | 11/29/2011 |
| 8051859 | Formation and deposition of sputtered nanoscale particles in cigarette manufacture Nanoscale particles are formed and deposited in situ on tobacco cut filler, cigarette paper and/or cigarette filter materials by physical vapor deposition. The nanoscale particles are capable of acting as an oxidant for the conversion of carbon monoxide to carbon di... | 11/08/2011 |
| 8020567 | Palladium-containing nanoscale catalysts A method of making palladium-containing nanoscale catalyst particles comprising subjecting a starting material to laser energy so as to form a vapor and condensing the vapor so as to form the catalyst particles. The catalyst comprises nanoscale particles of palladiu... | 09/20/2011 |
| 8006703 | In situ synthesis of composite nanoscale particles A method of making composite nanoscale particles comprising subjecting a starting material to laser energy so as to form a vapor and condensing the vapor so as to form the composite nanoscale particles, wherein said composite nanoscale particles comprise a first met... | 08/30/2011 |
| 7997281 | Reduction of carbon monoxide and nitric oxide in smoking articles using nanoscale particles and/or clusters of nitrided transition metal oxides Smoking article components, cigarettes, methods for making cigarettes and methods for smoking cigarettes are provided that use nitrided transition metal oxide nanoscale particles and/or nitrided transition metal oxide clusters capable of catalyzing and/or oxidizing ... | 08/16/2011 |
| 7934510 | Cigarette wrapper with nanoparticle spinel ferrite catalyst and methods of making same A wrapper for a smoking article includes nanoparticle spinel ferrite catalyst and a web including cellulosic fibers and an optional web-filler. The web-filler can be a modified web-filler which incorporates the spinel ferrite catalyst. The nanoparticle spinel ferrit... | 05/03/2011 |
| 7878209 | Thermally insulative smoking article filter components A filter component includes a catalyst surrounded by a thermally insulative carbon fiber composite. The catalyst can catalyze the chemical reaction of selected gaseous constituents of a gas stream. During catalysis, the catalyst can reach high temperatures. The carb... | 02/01/2011 |
| 7832412 | Surface modified adsorbents and use thereof A surface-modified adsorbent comprises a reagent on a porous carrier. Preferred porous carriers are adsorbent carbons such as activated carbon, silica gels, aluminas, polyester resins, zeolites or zeolite-like materials, and mixtures thereof. Preferred reagents are ... | 11/16/2010 |
| 7827996 | Amphiphile-modified sorbents in smoking articles and filters Smoking articles which involve the use of amphiphile-modified sorbents are disclosed. The amphiphile-modified sorbent has at least one amphiphilic compound bound to an inorganic molecular sieve substrate. The amphiphile-modified sorbent selectively removes certain c... | 11/09/2010 |
| 7743772 | Silver and silver oxide catalysts for the oxidation of carbon monoxide in cigarette smoke A component of a cigarette comprises a silver-based catalyst for the conversion of carbon monoxide to carbon dioxide. The silver-based catalyst comprises particles (e.g., nanoscale or larger sized particles) of metallic silver and/or silver oxide supported in and/or... | 06/29/2010 |
| 7712471 | Methods for forming transition metal oxide clusters and smoking articles comprising transition metal oxide clusters Smoking article components, cigarettes, methods for making cigarettes and methods for smoking cigarettes are provided that use transition metal oxide clusters capable of catalyzing and/or oxidizing the conversion of carbon monoxide to carbon dioxide and/or adsorbing... | 05/11/2010 |
| 7677254 | Reduction of carbon monoxide and nitric oxide in smoking articles using iron oxynitride Smoking article components, cigarettes, methods for making cigarettes and methods for smoking cigarettes are provided that use nitrided transition metal oxide nanoscale particles and/or nitrided transition metal oxide clusters capable of catalyzing and/or oxidizing ... | 03/16/2010 |
| 7661432 | Cigarette filter containing activated carbon impregnated with sesamol A cigarette filter is characterized in that sesame lignan (which is at least one selected from the group consisting of sesamin, sesamol, sesaminol, sesamolinol, sesamolin and pinoredinol) is added to the filter. ... | 02/16/2010 |
| 7610920 | Thiol-functionalized sorbent for smoking articles and filters for the removal of heavy metals from mainstream smoke Smoking articles which use thiol-functionalized sorbents are provided. The thiol-functionalized sorbents comprise at least one thioalkylsilyl compound covalently bound to an inorganic molecular sieve substrate, where the thiol-functionalized sorbent is capable of re... | 11/03/2009 |
| 7487782 | Cigarette filter A cigarette filter has a filter medium containing an inorganic basic substance such as sodium carbonate and a moisturizing agent selected from the group consisting of glycerin, sodium propionate and sodium lactate. ... | 02/10/2009 |
| 7448392 | Smoking articles and filters with carbon-coated molecular sieve sorbent Smoking articles and filters, which involve the use of carbon-coated molecular sieve sorbents are provided. The carbon-coated molecular sieve sorbent has a carbon coating within pores of a mesoporous molecular sieve. The carbon-coated molecular sieve sorbent provide... | 11/11/2008 |
| 7398783 | Smoking article The invention relates to a reconstituted smoking material which comprises a non-polyol aerosol generator, tobacco (optional), binder (optional) and inorganic filler. A further polyol aerosol generator may also be contained in the smoking material. There is also prov... | 07/15/2008 |
| 7357903 | Method for reducing NOx during combustion of coal in a burner An organically complexed nanocatalyst composition is applied to or mixed with coal prior to or upon introducing the coal into a coal burner in order to catalyze the removal of coal nitrogen from the coal and its conversion into nitrogen gas prior to combustion of th... | 04/15/2008 |
| 7302954 | Cigarette filter comprising grape proanthocyanidin To a constitutive element of a tobacco (a leaf-tobacco component or a filter) is added a proanthocyanidin or a proanthocyanidin-carrying porous material (such as an active carbon) to obtain an element for tobacco smoke. The proanthocyanidin may be at least one extra... | 12/04/2007 |
| 7300394 | Method and device for producing a filter rod Method and device for producing a filter rod. The method includes melting at least one first type of filter material, pressing the at least one first type of filter material through at least one nozzle, depositing the at least one first type of filter material on a ... | 11/27/2007 |
| 7243658 | Nanoscale composite catalyst to reduce carbon monoxide in the mainstream smoke of a cigarette Cut filler compositions, cigarette paper, cigarette filters, cigarettes, methods for making cigarettes and methods for smoking cigarettes are provided, which involve the use of nanoscale particle composite catalysts capable of acting as a catalyst for the conversion... | 07/17/2007 |
| 7231923 | Smoking article including a catalytic smoke reformer A smoking article includes a tobacco rod in axial alignment with a filter section with a catalyst bed disposed between the tobacco rod and the filter section. The catalyst bed may be heated from an external portable heating source or may be heated by the internal ev... | 06/19/2007 |
| 7228861 | Cigarette filter A cigarette filter has filter sections including filter materials individually wrapped with plug wrap paper, forming paper for wrapping the filter sections integrally, and tipping paper covering the forming paper so as to connect the filter sections to a cigarette s... | 06/12/2007 |
| 7168431 | Partially reduced nanoparticle additives to lower the amount of carbon monoxide and/or nitric oxide in the mainstream smoke of a cigarette Cut filler compositions, cigarettes, methods for making cigarettes and methods for smoking cigarettes which involve the use of partially reduced nanoparticle additives capable of acting as an oxidant for the conversion of carbon monoxide to carbon dioxide and/or as ... | 01/30/2007 |
| 7165553 | Nanoscale catalyst particles/aluminosilicate to reduce carbon monoxide in the mainstream smoke of a cigarette A smoking article composition and a method of making a smoking article composition comprising tobacco cut filler, cigarette paper and/or cigarette filter material further comprising a catalyst capable of converting carbon monoxide to carbon dioxide, wherein the cata... | 01/23/2007 |
| 7152609 | Catalyst to reduce carbon monoxide and nitric oxide from the mainstream smoke of a cigarette Cut filler compositions, cigarettes, methods for making cigarettes and methods for smoking cigarettes are provided, which involve the use of a catalyst capable converting carbon monoxide to carbon dioxide and/or nitric oxide to nitrogen. Cut filler compositions comp... | 12/26/2006 |
| 7121765 | Subsurface materials management and containment system Systems, components, and methods relating to subterranean containment barriers. Laterally adjacent tubular casings having male interlock structures and multiple female interlock structures defining recesses for receiving a male interlock structure are used to create... | 10/17/2006 |
| 7104265 | Filter containing a metal phthalocyanine and a polycationic polymer A tobacco smoke filter comprising one or more than one metal phthalocyanine, such as a copper phthalocyanine or an iron phthalocyanine, and further comprising one or more than one polycationic polymer. ... | 09/12/2006 |
| 7100420 | Cigarette monitoring A cigarette monitoring device capable of monitoring individual smoking behaviour and particularly smoke deliveries and of communicating this and other information to a remote location and/or the consumer. The device comprises a cigarette monitoring means, fluid-flow... | 09/05/2006 |
| 7087259 | Concentrate comprising green tea, grape skin extract and grape extract, the production thereof and use of the same The present invention relates to a concentrate of vegetable extracts, has green-tea, grape-skin extract, and grape-seed extract. The concentrate of the invention can be used for the production of beverages having, despite a high polyphenol content, a low degree of b... | 08/08/2006 |
| 7017585 | Oxidant/catalyst nanoparticles to reduce tobacco smoke constituents such as carbon monoxide Cut filler compositions, cigarettes, methods for making cigarettes and methods for smoking cigarettes are provided, which involve the use of nanoparticle additives capable of reducing at least one constituent from mainstream and/or sidestream tobacco smoke, the at l... | 03/28/2006 |
| 7011096 | Oxidant/catalyst nanoparticles to reduce carbon monoxide in the mainstream smoke of a cigarette Cut filler compositions, cigarettes, methods for making cigarettes and methods for smoking cigarettes are provided, which involve the use of nanoparticle additives capable of acting as an oxidant for the conversion of carbon monoxide to carbon dioxide and/or as a ca... | 03/14/2006 |
| 6939609 | Filler and pigment The present invention relates to the use of calcium oxalate as a filler or pigment. In particular described herein is a method of reducing the combustion residue of coated paper or cardboard products by replacing at least a part of the conventional pigments and fill... | 09/06/2005 |
| 6935346 | Smoking article comprising a wrapper containing a ceramic material The invention describes a smoking article (1) comprising a wrapper (3) enwrapping a tobacco smoking material (2), the wrapper comprising a ceramic material and being capable of mechanically trapping mainly aqueous particulate phase materials in ... | 08/30/2005 |
| 6907885 | High efficiency cigarette filters having shaped micro cavity fibers impregnated with adsorbent or absorbent materials This invention is a highly efficient filter containing fibers that contain small particle size adsorbents/absorbents such as carbon and/or silica to selectively reduce targeted components in mainstream cigarette smoke. The invention relates to a novel class of highl... | 06/21/2005 |
