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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...
6866045 Filtration method and filter consisting of nitrogen-containing cycles or heterocycles such as DNA or RNA  
The methods concerns a method for general use and more particularly used for tobacco products. The method uses in particular nitrogen-containing heterocycles such as DNA and RNA bases and...
6796312 Process and apparatus for the removal of toxic components of tobacco smoke and the standardization of the health hazards related to those components  
The oral cavity is a source of sensitive biomarkers that allow the development of novel tobacco filters to reverse and eliminate acute adverse effects of tobacco smoke. Useful biomarkers are...
6739344 Biodegradable cellulose acetate structure and tobacco filter  
A cellulose acetate structure excellent in its biodegradability. At least a surface region of the structure includes a biodegradable cellulose acetate composition containing a biodegradation...
6615842 Methods for removing nucleophilic toxins from tobacco smoke  
This invention provides methods, devices and agents for the removal of nucleophilic toxins present in tobacco and tobacco smoke. The filter element of a tobacco smoking device or an air filtration...
6595218 Cigarette filter  
A cigarette filter having a reagent which chemically reacts with and removes a gaseous component of a smoke stream. The reagent contains functional groups covalently bonded to a non-volatile...
6591839 Filter material for reducing harmful substances in tobacco smoke  
A filter material for reducing the content of harmful substances in tobacco smoke. The filter material comprises a ground and not additionally activated expanded clay produced without adding...
6571802 Molded article of biodegradable cellulose acetate and filter plug for smoking article  
A molded article molded from a cellulose acetate composition comprising, contained in cellulose acetate, a composite material of a decomposition accelerating agent formed of at least one compound...
6530377 Cigarette filter containing dry water and a porphyrin  
A tobacco smoke filter comprising a porous substrate comprising dry water and a porphyrin dispersed therein. The porous substrate can further comprise microcapsules. The microcapsules can comprise...
6309509 Composition and paper comprising cellulose ester, alkylpolyglycosides, and cellulose  
This invention relates to compositions, paper, thermoplastic sheets, and medical paper containing cellulose ester, alkylpolyglycoside (APG) or a mixture of APG and polyether glycol, and,...
6273095 Cigarette filter which removes carcinogens and toxic chemicals  
Disclosed herein is a filter for use with tobacco products, such as cigarettes, cigars and pipes, which selectively absorbs toxic compounds and carcinogenic polynuclear aromatic compounds passing...
6193841 Shaped, plastic articles comprising a cellulose fiber, a cellulose ester, and a non-ionic surfactant  
This invention relates to compositions, paper, thermoplastic sheets, and medical paper containing cellulose ester, alkylpolyglycoside (APG) or a mixture of APG and polyether glycol, and,...
6145511 Filter cigarette  
A description is given of a filter cigarette, whose filter a) contains fibrous filter material, b) contains an additive with an antimutagenic action on the cigarette smoke in a quantity of...
6119701 Methods, agents and devices for removing nucleophilic toxins from tobacco and tobacco smoke  
This invention provides methods, devices and agents for the removal of nucleophilic toxins present in tobacco and tobacco smoke, without the removal of nicotine. The filter element of a tobacco...
6080457 Particulate sorbent smoke filter  
A smoke filter consists of substrate threads and/or strips each pre-coated with particulate sorbent (e.g. activated carbon granules), gathered together in solid or tubular rod form e.g. within a...
6062228 Biodegradable filter material and method for its manufacture  
There is provided a biodegradable filter tow or filter material from renewable raw materials for the use as a tobacco smoke filter element of cigarettes, cigars or pipes as well as a method for...
6026819 Tobacco smoke filter incorporating sheath-core bicomponent fibers and tobacco smoke product made therefrom  
Bicomponent fibers comprising a core of a thermoplastic material, preferably polypropylene, and a sheath of a blend of the core-forming polymer and an ethylene-vinyl acetate copolymer are used to...
5998500 Method of making a filter with interpenetrating polymer network that biodegrades  
This invention relates to a filter and a method of making a filter. The filter is made of randomly orientated fibers made from an interpenetrating network formed from at least two polymers which...
5979460 Method of producing tobacco filters  
A tobacco filter with a circumferential length of 17 to 27 mm is prepared by creping or embossing, with a roller of a temperature not lower than 100° C., a sheet-like material comprising not less...
5967149 Tobacco filter material and a method of producing the same  
Using a slurry containing a particulate or fibrous cellulose ester and a wood pulp with a Canadian standard freeness of 100 to 800 ml in a ratio of 10/90 to 90/10 (weight %), a tobacco filter...
5954059 Filtration materials  
An extruded filtration material which is degradable and comprises either a plastics material or an inorganic material having a melting point above the operating temperature, a polysaccharide...
5947127 Tobacco filters and method of producing the same  
A filter rod is produced by adding a water-soluble polymer in the form of an aqueous solution or dispersion, or in a particulate form, to a tow of cellulose ester fiber, with the amount of any...
5947126 Environmentally disintegratable tobacco smoke filter rod  
A bundle of cellulose acetate fibers is bonded together with a water-soluble fiber-to-fiber bonding agent. The water-soluble fiber-to-fiber bonding agent may include 60-99 wt. % of a water-soluble...
5927287 Tobacco filter material and a tobacco filter as produced using the same  
A tobacco filter is produced by wrapping up a sheet-like filter material having a web structure and comprising a cellulose ester short staple into a rodform. As the cellulose ester short staple, a...
5913311 Cigarette filter and filter material therefor  
A filter material comprises a cellulose acetate fiber tow containing 5-50% by weight of a water soluble material and/or a water dispersible material which are soluble in a solvent which dissolves...
5911224 Biodegradable polyvinyl alcohol tobacco smoke filters, tobacco smoke products incorporating such filters, and methods and apparatus for making same  
A porous element particularly for use as a tobacco smoke filter plug in association with a cigarette or the like wherein the matrix comprises a multiplicity of biodegradable polyvinyl alcohol...
5860428 Cigarette filter containing a humectant  
A cigarette filter comprises a humectant, preferably sodium pyroglutamate, and optionally a surfactant. The humectant absorbs moisture from the tobacco smoke for wet-filtration of the tobacco smoke.
5856006 Tobacco filter material and a method for producing the same  
A tobacco filter material containing fibers which have a core and a surface layer which surrounds the core, wherein the core comprises a non-esterified cellulose and the surface layer comprises a...
5845648 Multi-compartment expandable filter for a smoking product  
A filter which will be attached to the end of a smoking product such as a cigarette. It would have a normal filter connected to the tube of tobacco, with a dual chamber which holds fine tobacco...
5728462 Cigarette filter material  
A cigarette filter material is provided which is free from the occurrence of acetic acid odor, even after long-term storage in a hermetically sealed condition, which ensures excellent palatability....
5671757 Cigarette filters  
A cigarette filter in which the body of the filter comprises paper containing, or consisting essentially of, lyocell fibres. The invention also relates to a cigarette incorporsting such a filter.
5575302 Filter for removing nitrogen oxides from tobacco smoke  
A filter for removing nitrogen oxides (NO x ) from tobacco smoke comprises A) a poly(arylene thioether), B) if appropriate a conventional filter material and C) if appropriate at least one...
5570707 Cigarette with filter  
A filter for a cigarette is provided with a filter which includes a tacky substance which increases the filters ability to absorb particles of ash, debris and the like, thus preventing them from...
5538019 Spunbond cigarette filter  
A filter made from a nonwoven spunbond web comprising a plurality of continuous intertwined filaments, each filament having a diameter of about 25 to about 100 microns, predominantly present in the...
5531235 Cigarette filter micropleated web and method of manufacture  
A meltblown pleated web suitable for manufacturing cigarette filters or filter rods is prepared by drawing a meltblown web having longitudinal bend lines under thermal conditions to impart...
5507304 Polymer blend composed of cellulose acetate and starch acetate used to form fibers, films and plastic materials and a process to prepare said blend  
A blend of cellulose acetate and starch acetate used to make fibers, filaments, yarns, fabrics, plastic materials and other uses is disclosed. Additionally, the invention relates to the process of...
5465739 Cigarette and cigarette filter element therefor  
A cigarette has a blend of tobacco materials and a filter element provided from a non-woven thermoplastic material. The non-woven material comprises polyester or polypropylene fibers. The non-woven...
5462801 Filter Tow, method for the production thereof, as well as tobacco smoke filter element and method for its production  
A filter tow from cellulose acetate filaments and/or staple fibers is described on the surface of which an additive from cellulose chain-splitting enzymes is present, at least the surface of the...
5439010 Fibrous bonded sheet material  
A fibrous bonded sheet material, suitable for conversion into plug wrap for the filter plug in a filter cigarette, is formed by treating a fibrous base web with a polymeric binder (e.g. polyvinyl...
5396909 Smoking article filter  
A cigarette smoking article includes a tobacco rod and a dual filter comprising a tobacco rod end segment made of cellulose acetate tow and a mouth end segment made of a gathered, perforated...
5269329 Method of producing tobacco flavored cigarette filter  
There is disclosed a method of adding flavorant to cigarette filters. A cigarette filter is made by forming a filter web using non-woven web comprising thermoplastic meltblown fibers of filaments...
5191905 Filter cigarette having filter containing absorptive synthetic graft polymer fibers produced from irradiated polyethylene reacted with vapor phase styrene or absorptive synthetic magnetic fibers  
A filter cigarette is provided which has a cigarette section formed by wrapping shredded tobacco in a cigarette paper sheet and a filter section having a filter chip integrally joined to the...
5190061 Cigarette smoke filter  
A novel cigarette smoke filter element is provided which achieves an increased removal of tar from cigarette smoke while retaining a higher flavor level than is achieved using conventional filter...
5095920 Method of adjusting and controlling a device for cutting strip material in a machine for the manufacture of commodities  
In a method of adjusting and controlling a cutting device comprising two rollers counter-rotating about parallel axes and provided each with a set of blades where each blade of one roller combines...
5076295 Cigarette filter  
A cigarette comprises a blend of tobacco materials and a filter element provided from a non-woven polypropylene web, glycerin and a water soluble tobacco extract. The filter element comprises about...
5063945 Tobacco filter stock  
A tobacco filter stock capable of being molded into a filter only be entanglement of filaments with one another without any adhesion means, whereby the resulting filter has a suitable hardness and...
5053066 Nonwoven filter and method of manufacture  
A filter useful as a cigarette smoke filter is made by convergingly passing a flat restrained meltblown web successively through a heated zone and a trumpet to form a roving. The roving may be...
5050621 Smoking articles  
There is provided a smoking article comprising a heating unit, aerosol generation section in flow communication at a first end thereof with said heating unit, nicotine source in flow communication...
5025815 Polyolefin filter tow and method of making it  
A polyolefin material having improved fibrillation properties, allowing one to achieve higher yield in cigarette filters made from the fibrillated material is provided. The material includes...
5019262 Hydrophilic microporous membrane  
A membrane that is prepared in an oil in water system and comprises a hydrophilic polymer film having controlled porosity. Such membranes are particularly well suited as filters for cigarettes and...
Matches 1 - 50 out of 158 1 2 3 4 >