Class / Patent application number | Description | Number of patent applications / Date published |
131332000 | Having a polymer | 71 |
20080202539 | Fibre - A method for forming a polycomponent fibre comprising a first, fibre-forming component comprising a polymer, and a second, component comprising an active ingredient that will selectively reduce or remove components of tobacco smoke, the method comprising the steps of: i. forming a dispersion, second solution or liquid comprising the second component; and ii. coextruding the first component and the dispersion, second solution or liquid through a jet or aperture to form a fibre comprising a first portion formed from the first component, and a second portion formed from the second component. | 08-28-2008 |
20080245377 | CIGARETTE COMPRISING DARK-CURED TOBACCO - A cigarette is provided that includes a rod of smokable material circumscribed by an outer wrapping material and a filter element, which may include an adsorbent material such as activated carbon, attached to one end of the rod of smokable material. The smokable material includes at least about 5 percent by weight of a dark air-cured tobacco, based on the dry weight of the smokable material, blended with additional tobacco materials such as flue-cured tobacco, burley tobacco, Oriental tobacco, Maryland tobacco, and mixtures thereof. | 10-09-2008 |
20080251091 | Tobacco Smoking Filter or Filter Element with a Content of Adjuncts - A tobacco smoking filter is disclosed, with adjunets on the surface in the form of fibres filaments or films and whereby the drawing resistance of the tobacco smoking filter and the mass of the adjuncts in the tobacco smoking filter meet the following equation (I) M | 10-16-2008 |
20080283071 | Cigarette Filter and Method of Its Manufacturing - The invention relates to the cigarette filter containing the microfibres, which contains from 0.5 to 10% by weight of polymeric nanofibres, that are arranged among the microfibres. At manufacturing of cigarette filter containing the microfibres, the nanofibres or shreds of surface nanofibrous textile are brought to the surface of a configuration designated for production of the cigarette filter formed at least of 90% by weight of microfibres, and they are deposited onto the surface and/or into the volume of the configuration in a quantity from 0.5 to 10% b weight. | 11-20-2008 |
20080295852 | Tobacco Smoke Filter - The invention relates to a tobacco smoke filter which contains fibres which comprise regenerated cellulose (e.g. Lyocell) and an absorbent is introduced therein. More than one absorbent is introduced into the fibres of the tobacco smoke filter and/or the tobacco smoke filter contains an absorbent between said fibres. A higher charge of the absorbent can be obtained by means of said type of tobacco smoke filter. | 12-04-2008 |
20090020132 | FILTER CIGARETTE - In a filter cigarette having a tobacco strand, a wrapping and a filter, the filter possesses at least one gas phase-active filter part which contains at least one gas phase-reducing substance. The gas phase-reducing substances are embedded in a filter material matrix. They are introduced in a quantity of at least 75 mg per filter and at least 5 mg/mm of the length of the gas phase-active filter part. The filter cigarette exhibits a filter ventilation of at most 30% (or of from 30% to 70%). The NFDPM value is between 4 and 10 mg/cigarette (or in the range of from 2 to 4 mg/Cigarette), as measured in accordance with ISO smoking conditions. The gas phase quotient Q1, defined as (μg of benzene per cigarette)/(mg of CO per cigarette) and measured in accordance with ISO smoking conditions, is less than 1.5, preferably less than 1. | 01-22-2009 |
20090032037 | DEGRADABLE CIGARETTE FILTERS - Biodegradable cigarette filters comprise shaped fiber of PHBV. Included among these fiber shapes in cross section are Y, V, C, Triad, 4-DG and JC shapes. The shaped fibers may include micro cavities with adsorbents and/or flavorants in the cavities. | 02-05-2009 |
20090038632 | Porous Carbon Materials and Smoking Articles and Smoke Filters Therefor Incorporating Such Materials - A porous carbon material suitable for incorporation in smoke filters for cigarettes has a BET surface area of at least 800 m | 02-12-2009 |
20090056729 | SMOKING ARTICLE AND SMOKING ARTICLE FILTER - Improved filters useful for tobacco products, such as cigarettes, and novel cigarettes having such filters are disclosed. The filters include adsorbents such as activated carbon which reduce amounts of one or more gas phase constituents of mainstream tobacco smoke. The adsorbents are treated with off-taste suppressants which reduce the off-taste associated with adsorbent containing filters and substantially restore the taste normally associated with tobacco smoke. | 03-05-2009 |
20090151738 | DEGRADABLE CIGARETTE FILTER - A degradable cigarette filter includes a filter element of a bloomed cellulose acetate tow, a plug wrap surrounding the filter element, and either a coating or a pill in contact with the tow. The coating and/or pill may be composed of a material adapted to catalyze hydrolysis of the cellulose acetate tow and a water-soluble matrix material. The material may be an acid, an acid salt, a base, and/or a bacterium adapted to generate an acid. The coating may be applied to the tow, the plug wrap, or both. The pill may be placed in the filter element. When water contacts the water-soluble matrix material, the material adapted to catalyze hydrolysis is released and catalyzes the hydrolysis, and subsequent degradation, of the cellulose acetate tow. The foregoing is also applicable to articles made of cellulose esters. | 06-18-2009 |
20090293893 | Hollow/porous fibers and applications thereof - In one embodiment is provided a polymer blend of poly(vinyl acetate) (PVAc) and poly(acrylic acid) (PAA), wherein the poly(vinylacetate) is present in an amount ranging between about 20 wt % and about 80 wt %, and poly(acrylic acid) is present in an amount ranging between about 80 wt % and about 20 wt %, based on the total weight of the blend. In another embodiment is provided a fiber produced from this polymer blend, and which has cells therein. In another embodiment is provided a flavorant release material comprising the porous fiber disclosed herein, and one or more flavorants disposed in a longitudinally extending core within the fiber. In another embodiment is provided a polymer fiber membrane containing a hollow, porous fiber formed from the polymer blend disclosed herein. In another embodiment is provided a filter containing the fiber described herein. In another embodiment is provided a process for producing the fibers disclosed herein by addition of the polymers to an extruder or blender, and extruding or melt spinning the mixture into a fiber containing cells therein. | 12-03-2009 |
20100043813 | HIGH COHESIVE STRENGTH COMPOSITE MATERIALS AND, E.G., CIGARETTE FILTERS SHAPED THEREFROM - Composite materials having high cohesive strength, formed from at least one polymer and from at least one compound selected from among mineral oxides, aluminosilicates and active carbon, are characterized by a mean particle size of at least 100 mm, a pore volume (Vd1) formed by pores having a diameter ranging from 3.6 to 1,000 nm, equal to at least 0.2 cm | 02-25-2010 |
20100147317 | Tobacco Smoke Filter and Methods of Making the Same - A tobacco smoke filter ( | 06-17-2010 |
20100319717 | CIGARETTE MAINSTREAM SMOKE COMPONENT ADSORBENT AND CIGARETTE FILTER - The present invention provides a cigarette mainstream smoke component adsorbent including particulate activated carbon, and a glucan film supported by the particulate activated carbon. Also, the present invention provides a cigarette filter including the cigarette mainstream smoke component adsorbent. | 12-23-2010 |
20110011414 | HIGHLY COHESIVE COMPOSITE POLYMER MATERIALS, PREPARATION THEREOF AND, E.G., CIGARETTE FILTERS COMPRISING SAME - Highly cohesive composite materials, formed of at least one polymer and at least one compound selected from among the mineral oxides, silicoaluminates and activated carbon, have:
| 01-20-2011 |
20110023900 | TOBACCO SMOKE FILTER - A tobacco smoke filter or filter element comprising a cylindrical plug of a substantially homogeneous filtering material of circumference between 14.0 and 23.2 mm, wherein the substantially homogeneous filtering material comprises a plurality of randomly oriented staple fibres. | 02-03-2011 |
20110030708 | Absorptive Polymer, Compound Fiber and Cigarette Filter Rod Made of Compound Fiber - An absorptive polymer, which is an aqueous emulsion made from copolymerization of neutral unsaturated monomers, unsaturated lipophilic monomers and unsaturated hydrophilic monomers, in the proportion of 50:26-37:14-25 in weight. A compound fiber comprising cigarette filter rod fiber as core and surface layer absorptive polymer; the cigarette filter rod fiber is polypropylene fiber or cellulose acetate fiber; lipophilic groups of the absorptive polymer are attached to polypropylene fiber of cigarette filter rod. | 02-10-2011 |
20110094526 | BIODEGRADABLE COMPOSITES - The present invention concerns a biodegradable cigarette filter tow comprising composite filaments of cellulose and cellulose acetate, and a process for making such a filter tow comprising providing a solution dope comprising a blend of cellulose and cellulose acetate in an ionic liquid or in N-methylmorphilone-N-oxide (NMMO), and spinning casting the blend into a protic solvent to generate fibres or films, and converting the fibres or films into cigarette filter tow. The invention also concerns cigarette filters and cigarettes made from such a filter tow. | 04-28-2011 |
20110100386 | CIGARETTE FILTER - The present invention concerns an at least partially transparent cigarette filter tipping film comprising a biodegradable substrate, and softener in an amount of less than 25% by weight of the biodegradable substrate, and a cigarette filter comprising a filtration material encased in a cylinder of the said tipping film. | 05-05-2011 |
20110162667 | TOBACCO SMOKE FILTER FOR SMOKING DEVICE WITH POROUS MASS OF ACTIVE PARTICULATE - A tobacco smoking device comprises a porous mass of active particles adapted to enhance a tobacco smoke flowing over said active particles and binder particles. The active particles comprises about 1-99% weight of the porous mass, and the binder particles comprises about 1-99% weight of said porous mass. The active particles and said binder particles are bound together at randomly distributed points throughout the porous mass. The active particles have a greater particle size than the binder particles. | 07-07-2011 |
20120000479 | BIODEGRADABLE CIGARETTE FILTER - A biodegradable fiber (including fiber tow) may be coated with cellulose acetate for use in a filter material configured for application in a filter of a smoking article. A filter made in accordance with this design may also include non-biodegradable fiber, but will generally be subject to improved degradation time in a variety of disposal environments. | 01-05-2012 |
20120000480 | BIODEGRADABLE CIGARETTE FILTER - A biodegradable fiber (including fiber tow) and/or biodegradable paper substrate may be coated with cellulose acetate and/or plasticized cellulose acetate for use in a filter material configured for application in a filter of a smoking article. A filter made in accordance with this design may also include non-biodegradable material. | 01-05-2012 |
20120000481 | DEGRADABLE FILTER ELEMENT FOR SMOKING ARTICLE - A filter material configured for use as a filter element of a smoking article is provided, the filter material including at least one segment of fibrous tow having a plurality of superabsorbent objects dispersed therein, the superabsorbent objects comprising a starch material. Exemplary starch materials include naturally-occurring starch, hydroxyalkylated starch, starch esters, ionically modified starch, oxidized starch, hydrolyzed starch, plasticized starch, gelatinized starch, grafted starch, crosslinked starch, transglycosylated starch, starch ethers, and mixtures thereof, as well as blends of starch with other polymers. Filter elements and smoking articles, such as cigarettes, that contain the filter material are also provided. A method of preparing polymer fibers for use in filter elements is also provided, the method including adding the starch material to a fiber precursor solution prior to fiber extrusion or dry-blending the starch material with the polymer material to be formed into fibers. | 01-05-2012 |
20120017925 | DEGRADABLE CIGARETTE FILTER - A biodegradable fiber (including fiber tow) and/or biodegradable paper substrate may be coated with cellulose acetate, plasticized cellulose acetate and/or ethylene vinyl acetate for use in a filter material configured for application in a filter of a smoking article. A filter made in accordance with this design may also include non-biodegradable material. | 01-26-2012 |
20120024304 | Filter Element Comprising Multifunctional Fibrous Smoke-Altering Material - A filter element for use in a smoking article and providing filtration of particulate material and gaseous components of mainstream smoke is provided. The filter element includes a segment of fibrous tow comprising a plurality of individual filaments, wherein each individual filament includes a plurality of adsorbent material particles at least partially encapsulated with a removable encapsulant imbedded therein. The individual filaments may further include an outer coating that provides a plurality of reactive groups adapted for reaction with one or more components of mainstream smoke. Alternatively, the multifunctional filter element combines different fibrous filter materials, such as cellulose acetate or polyolefin filaments combined with activated carbon filaments and at least one of ion exchange filaments and catalytic filaments. A method of providing a cellulose acetate fibrous tow containing an imbedded adsorbent material is provided, wherein a plurality of encapsulated adsorbent particles are mixed with a cellulose acetate dope. | 02-02-2012 |
20120024305 | FABRICATION OF CORE/SHELL CAPSULES OF DIFFERENT GEOMETRIES AND TREATMENT THEREAFTER - Multi-shelled capsules are made by co-extruding a first liquid flavorant composition and a first shell-forming polymeric material to form droplets which are hardened to form an inner shell containing a first liquid flavorant composition, and then coated with a second shell-forming polymeric material which is hardened to form an outer shell. The result is a capsule where the inner surface of the outer shell is separate and/or separable from the outer surface of the inner shell to define a space, wherein a second liquid flavorant composition may be located. | 02-02-2012 |
20120024306 | BIOPOLYMER FOAMS AS FILTERS FOR SMOKING ARTICLES - A process for preparing a filter plug for a smoking article, such as a cigarette, includes: (a) freeze-drying a solution of a biopolymer to form a structure; and (b) cutting the structure to a predetermined dimension, to thereby prepare a filter plug for a smoking article. Another process for preparing a filter plug for a smoking article, such as a cigarette, includes: (a) extruding a mixture of a foaming agent and a biopolymer comprising a protein to form a structure; and (b) cutting the structure to a predetermined dimension, to thereby form a filter plug for a smoking article. | 02-02-2012 |
20120160254 | CRYOTROPIC HYDROGELS AND THEIR USE AS FILTERS - There is provided a particle-filter comprising at least one hydrogel formed in aqueous solution at a temperature below 0° C. The filter can arrest particulates of smoke by physisorption on the solid surface of the gel or by chemisorption if the gel is suitably functionalized. The effectiveness of filter in arresting the solid particles and the pressure drop can be controlled by varying the porosity and the pore size distribution of the filter which in turn can be modulated by varying the monomer to water and monomer to cross-linker ratio in the pre-polymer solution. The filter is able to reduce the particle content of the smoke. There is further provided a cigarette comprising at least one particle-filter according as well as a method for the filtration of smoke. | 06-28-2012 |
20120160255 | NANOSTRUCTURAL FILTER FOR REMOVING TOXIC COMPOUNDS - The various embodiments herein provide an electrospun fiber mat filter comprising a cigarette filter containing macrocycle for removing toxic compounds from a toxic material, wherein the toxic material comprises liquid, gas, and cigarette smoke and a method of synthesizing the same. The electrospun fiber mat cigarette filter comprises a biological, organic or synthetic macrocycle, plurality of additives, a solvent and an acceptable polymeric carrier. The biological macromolecules are engineered polyhemoglobin and/or chlorophyll. The biological, organic, or synthetic macrocycle are electrospun with the acceptable polymeric carrier in presence of an abruptly asymmetric electric field to form an electrospun fiber mat. The electrospun fiber mat is made up of networks of plurality of nanofibers. | 06-28-2012 |
20120192882 | POLYMERIC MATERIALS DERIVED FROM TOBACCO - The invention provides a polymer prepared from a substituted 1,3-butadiene (such as neophytadiene) derived from a plant of the | 08-02-2012 |
20120222690 | Smoke Filtration - The invention relates to a smoking article comprising a carbonaceous dried gel ( | 09-06-2012 |
20120222691 | USE OF POLYPHENOL COMPOUNDS OR DERIVATIVES THEREOF AS FREE-RADICAL SCAVENGERS IN CIGARETTE FILTERS - This invention provides for reducing free-radicals from cigarette smoke by using a filter impregnated by an extract of a rosemary plant in oil, containing carnosol, rosmanol, rosmadial, carnosic acid, genkwanin and rosmarinic acid. The extract is obtained by extraction with an alcoholic solvent or an aqueous alcoholic solvent, followed by extraction with a supercritical fluid. | 09-06-2012 |
20120291793 | MOLECULARLY IMPRINTED POLYMERS FOR TREATING TOBACCO MATERIAL AND FILTERING SMOKE FROM SMOKING ARTICLES - The invention provides a method of isolating certain target compounds from tobacco, tobacco materials or smoke generated by a smoking article. The method can be used to remove undesirable compounds from tobacco, tobacco materials, or tobacco smoke. The method can also be used to remove flavor compounds from tobacco or tobacco materials, which can then be used as flavor components for tobacco material used in smoking articles and smokeless tobacco compositions. | 11-22-2012 |
20120305015 | COATED PAPER FILTER - A biodegradable paper substrate and/or biodegradable fiber (including fiber tow) may be coated with cellulose acetate and/or plasticized cellulose acetate for use in a filter material configured for application in a filter of a smoking article. Flocking and/or fibrillation methods may be used to deposit and/or generate a plurality of fibers that may protrude beyond a surface of the biodegradable substrate material. A filter made in accordance with this design may also include non-biodegradable material. | 12-06-2012 |
20120325231 | FILTERS HAVING IMPROVED DEGRADATION AND METHODS OF MAKING THEM - Degradable filters are disclosed, as well as methods of making them, that include the steps of applying a plasticizer containing a photoactive agent to cellulose ester fibers to obtain plasticized cellulose ester fibers; and forming the plasticized cellulose ester fibers into a filter. The cellulose ester fibers may comprise cellulose acetate, the plasticizer may be triacetin, and the photoactive agent may include a number of types of titanium dioxide, for example mixed phase titanium dioxide particles. The filters are useful, for example, in preparing cigarette filters. | 12-27-2012 |
20130014774 | SEGMENTED CIGARETTE FILTER FOR SELECTIVE SMOKE FILTRATIONAANM Sebastian; Andries D.AACI ClemmonsAAST NCAACO USAAGP Sebastian; Andries D. Clemmons NC USAANM Sears; Stephen BensonAACI Siler CityAAST NCAACO USAAGP Sears; Stephen Benson Siler City NC USAANM Gerardi; Anthony RichardAACI Winston-SalemAAST NCAACO USAAGP Gerardi; Anthony Richard Winston-Salem NC US - A filter material of a filter element configured for application in a smoking article may include a fibrous substrate material finished with a fiber finish composition. The fiber finish composition may be formulated to selectively interact with at least one target component of mainstream smoke drawn through the filter element during use of the smoking article to selectively filter the target component from the smoke. The filter element may include multiple filter segments. Each filter segment may include a filter material having a finish composition formulated to selectively interact with a different target component. The various filter segments may be combined and/or arranged to selectively filter the mainstream smoke to achieve desired characteristics. Each filter segment may be formed from the same fibrous substrate material. | 01-17-2013 |
20130025610 | PLASTICIZER COMPOSITION FOR DEGRADABLE POLYESTER FILTER TOW - A filter material adapted for use as a filter element of a smoking article is provided, the filter material being in the form of a fibrous tow that includes a plurality of filaments of a degradable polyester and a plasticizer composition applied thereto, the plasticizer composition and the degradable polyester having a Relative Energy Difference calculated using Hansen Solubility Parameters of less than about 1.3. Exemplary degradable polyesters include polyglycolic acid, polylactic acid, polyhydroxyalkanoates, polycaprolactone, polybutylene succinate adipate and copolymers or blends thereof. Exemplary plasticizer compositions include one or more of dimethylisosorbide, propylene carbonate, methylbenzyl alcohol, glycerol carbonate acetate, glycerol carbonate ethyl ether, and mixtures thereof, optionally in combination with triacetin. Filter elements and smoking articles, such as cigarettes, that contain the filter material are also provided. | 01-31-2013 |
20130025611 | Sheet Filter Materials With Additives - The present invention relates to the inclusion of additives in a filter element comprising a non-woven sheet material or paper as the filter material to increase the selective removal of semi-volatile compounds and to improve the taste characteristics of the smoke drawn through the filter element. The increased selective removal of semi-volatile compounds from the smoke being drawn through the filter element is provided by polyethylene glycol. TEC and/or triacetin are additives which have been found to improve the taste characteristics of smoke drawn through the filter element. | 01-31-2013 |
20130081643 | Composite Additive Materials - The invention relates to composite materials comprising particles of at least two different additive materials and a polymer binding said additive particles together the composite material. The invention also relates to incorporating at least two different additive materials into a filter material, using the composite material. | 04-04-2013 |
20130180536 | DEGRADABLE FILTER ELEMENT - A filter material adapted for use as a filter element of a smoking article is provided, the filter material including at least one segment of fibrous tow having a plurality of degradable particles dispersed therein, the degradable particles comprising a starch material. Exemplary starch materials include naturally-occurring starch, hydroxyalkylated starch, starch esters, ionically modified starch, oxidized starch, hydrolyzed starch, plasticized starch, gelatinized starch, grafted starch, crosslinked starch, transglycosylated starch, starch ethers, and mixtures thereof, as well as blends of starch with other polymers. Filter elements and smoking articles, such as cigarettes, that contain the filter material are also provided. A method of preparing polymer fibers for use in filter elements is also provided, the method including adding the starch material to a fiber precursor solution prior to fiber extrusion or dry-blending the starch material with the polymer material to be formed into fibers. | 07-18-2013 |
20130213421 | APPARATUS AND ASSOCIATED METHOD FOR FORMING A FILTER COMPONENT OF A SMOKING ARTICLE - Apparatuses, systems, and methods employing ultrasonic bonding to form filter elements for smoking articles are provided. Ultrasonic bonding can be employed to bond the fibers of filter material defining bloomed tow. Use of a plasticizer may not be necessary. Further, filter materials such as polylactic acid, which may not be bonded via a plasticizer, may be employed. However, triacetin or other additional components may be employed to provide the filter element with a desirable sensory attribute in some embodiments. Ultrasonic bonding may be conducted by an ultrasonic bonder that includes an anvil defining a pattern thereon that is selected to define a desired degree of bonding, and thereby a resulting desired firmness and/or pressure drop associated with the filter element. | 08-22-2013 |
20130239983 | Smoke Filters for Smoking Devices with Porous Masses Having a Carbon Particle Loading and an Encapsulated Pressure Drop - Disclosed are filters, smoking devices, related articles and apparatus, and related methods. The filters include porous masses that have an active particle and a binder particle, wherein the active particle comprises carbon and the porous mass has a carbon loading of at least about 6 mg/mm and an encapsulated pressure drop of about 20 mm of water or less per mm of porous mass. | 09-19-2013 |
20130247926 | BIODEGRADABLE COMPOSITES - The present invention concerns a biodegradable cigarette filter tow comprising composite filaments of cellulose and cellulose acetate, wherein the composite filaments are entangled or wherein the two further comprises one or more further thermoplastic materials or wherein the weight ration of cellulose to cellulose acetate in the tow is from 10:90 to 90:10, and a process for making such a filter tow comprising providing a solution dope comprising a blend of cellulose and cellulose acetate in an ionic liquid or in N-methylmorphilone-N-oxide (NMMO), and spinning casting the blend into a protic solvent to generate fibres or films, and converting the fibres or films into cigarette filter tow. The invention also concerns cigarette filters and cigarettes made from such a filter tow. | 09-26-2013 |
20130298923 | Apparatuses, Systems, and Associated Methods for Forming Porous Masses for Smoke Filter - A system for producing porous masses may include a mold cavity disposed along the material path, at least one hopper before at least a portion of the mold cavity for feeding a matrix material to the material path, a heat source in thermal communication with at least a first portion of the material path, and a cutter disposed along the material path after the first portion of the material path. | 11-14-2013 |
20140007893 | Smoke Filters for Smoking Devices with Porous Masses Having a Carbon Particle Loading and an Encapsulated Pressure Drop - Disclosed are filters, smoking devices, related articles and apparatus, and related methods. The filters include porous masses that have an active particle and a binder particle, wherein the active particle comprises carbon and the porous mass has a carbon loading of at least about 6 mg/mm and an encapsulated pressure drop of about 20 mm of water or less per mm of porous mass. | 01-09-2014 |
20140026909 | MIXED FIBER SLIVER FOR USE IN THE MANUFACTURE OF CIGARETTE FILTER ELEMENTS - Smoking articles including filter elements formed from two or more fibrous inputs with different physical properties are provided. The two or more fibrous inputs are provided in the form of staple fibers, which are at least partially entangled with each other to form a mixed fiber sliver. The mixed fiber sliver includes a first plurality of cellulose acetate staple fibers blended with a second plurality of staple fibers comprising a polymeric material different from the first plurality of staple fibers, such as staple fibers of a degradable polymeric material. The entangled fibers of the mixed fiber sliver may be sufficiently separated from one another such that blooming operations typically required in filter element production may not be necessary prior to incorporating the mixed fiber sliver into a filter element. Related methods, apparatuses and mixed fiber products are also provided by the disclosure. | 01-30-2014 |
20140026910 | Spinneret Comprising Tri-Arc Holes and Tri-Arc Filaments Produced Therefrom - A spinneret having tri-arc holes may be used to produce tri-arc filaments. In some instances, tri-arc holes have a Y-shape with three prongs and each prong having an arc at the end of the prong that tapers from the end of the arc to a connection point of an adjacent arc, and tri-arc filaments have a generally-Y shape cross-section with bulbous or arcing tips. Further, tri-arc filaments may be useful in a plurality of applications including, but not limited to, filters, filters comprising particulate additives, and smoking device filters. | 01-30-2014 |
20140026911 | Spinneret Comprising Tri-Arc Holes and Tri-Arc Filaments Produced Therefrom - A spinneret having tri-arc holes may be used to produce tri-arc filaments. In some instances, tri-arc holes have a Y-shape with three prongs and each prong having an arc at the end of the prong that tapers from the end of the arc to a connection point of an adjacent arc, and tri-arc filaments have a generally-Y shape cross-section with bulbous or arcing tips. Further, tri-arc filaments may be useful in a plurality of applications including, but not limited to, filters, filters comprising particulate additives, and smoking device filters. | 01-30-2014 |
20140076340 | APPARATUSES, SYSTEMS, AND ASSOCIATED METHODS FOR FORMING POROUS MASSES FOR SMOKE FILTERS - High-throughput production apparatuses, systems, and associated methods may include pneumatic dense phase feeding. For example, a method may involve feeding via pneumatic dense phase feeding a matrix material into a mold cavity to form a desired cross-sectional shape, the matrix material comprising a binder particle and an active particle; heating (e.g., via microwave irradiation) at least a portion of the matrix material so as to bind the matrix material at a plurality of contact points thereby forming a porous mass length; cooling the porous mass length; and cutting the porous mass length radially thereby producing a porous mass. In some instances, the matrix material may include a plurality of active particles, a plurality of binder particles (optionally having a hydrophilic surface modification), and optionally a microwave enhancement additive. | 03-20-2014 |
20140096783 | FILTER MATERIAL FOR A FILTER ELEMENT OF A SMOKING ARTICLE, AND ASSOCIATED SYSTEM AND METHOD - A method and associated system are provided for forming a biodegradable filter material for a filter element of a smoking article, wherein the method involves combining cellulose acetate fibers with regenerated cellulose fibers, drawing the combined cellulose acetate fibers and regenerated cellulose fibers to form drawn combined fibers, and crimping the drawn combined fibers to form a mixed fiber tow. An associated filter material for the filter element of a smoking article is also provided. | 04-10-2014 |
20140096784 | FIBRE - An apparatus for forming a polycomponent fibre having a first, fibre forming component comprising a polymer, and a second, component comprising an active ingredient that will selectively reduce or remove components of tobacco smoke. The apparatus has a first reservoir for containing the first component, and a second reservoir for containing the dispersion, second solution or liquid. The dispersion, second solution or liquid includes the second component. The apparatus also has a polycomponent spinnerette adapted to coextrude the first component and the second component to form the polycomponent fibre. The apparatus also includes a first conduit for connecting the first reservoir to the spinnerette, and a second conduit for connecting the second reservoir to the spinnerette. | 04-10-2014 |
20140137879 | PLASTICIZER COMPOSITION FOR DEGRADABLE POLYESTER FILTER TOW - A filter material adapted for use as a filter element of a smoking article is provided, the filter material being in the form of a fibrous tow that includes a plurality of filaments of a degradable polyester and a plasticizer composition applied thereto, the plasticizer composition and the degradable polyester having a Relative Energy Difference calculated using Hansen Solubility Parameters of less than about 1.3. Exemplary degradable polyesters include polyglycolic acid, polylactic acid, polyhydroxyalkanoates, polycaprolactone, polybutylene succinate adipate and copolymers or blends thereof. Exemplary plasticizer compositions include one or more of dimethylisosorbide, propylene carbonate, methylbenzyl alcohol, glycerol carbonate acetate, glycerol carbonate ethyl ether, and mixtures thereof, optionally in combination with triacetin. Filter elements and smoking articles, such as cigarettes, that contain the filter material are also provided. | 05-22-2014 |
20140182613 | Cellulose Acetate Compositions - The present invention relates to compositions comprising a blend of cellulose acetate | 07-03-2014 |
20140190505 | FILTER MATERIAL COMPRISING POLYLACTIDE FIBRES - The invention relates to filter material for inclusion in the filter or filter element of a 5 smoking article, said filter material comprising polylactide fibres and a plasticizer. The invention also relates to filters or filter elements comprising the filter material, and smoking articles comprising the same. | 07-10-2014 |
20140202478 | ADDITIVE-CONTAINING MEMBER - An additive-containing member having first and second regions, the second region comprising a predetermined region ( | 07-24-2014 |
20140216486 | CIGARETTE MAINSTREAM SMOKE COMPONENT ADSORBENT AND CIGARETTE FILTER - The present invention provides a cigarette mainstream smoke component adsorbent including particulate activated carbon, and a glucan film supported by the particulate activated carbon. Also, the present invention provides a cigarette filter including the cigarette mainstream smoke component adsorbent. | 08-07-2014 |
20140261502 | SMOKE FILTERS FOR REDUCING COMPONENTS IN A SMOKE STREAM - Smoke filters that reduce the concentration of carbon monoxide and phenols in a smoke stream may include a porous mass section comprising a plurality of active particles, a plurality of binder particles, and an active coating disposed on at least a portion of the active particles and the binder particles, wherein the active particles and the binder particles are bound together at a plurality of contact points; and a filter section. In some instances, a filter may include a porous mass section comprising a plurality of active particles and a plurality of binder particles, wherein the active particles and the binder particles are bound together at a plurality of contact points without an adhesive; and a filter section comprising an active dopant. | 09-18-2014 |
20140261503 | COATING COMPOSITION OF LOW IGNITION PROPENSITY CIGARETTE PAPER AND CIGARETTE USING THE SAME - The coating composition of a low ignition propensity cigarette paper according to an exemplary embodiment includes pregelatinized starch, maltodextrin, resistant maltodextrin and ethanol. | 09-18-2014 |
20140299143 | SPINNERET COMPRISING TRI-ARC HOLES AND TRI-ARC FILAMENTS PRODUCED THEREFROM - A spinneret having tri-arc holes may be used to produce tri-arc filaments. In some instances, tri-arc holes have a Y-shape with three prongs and each prong having an arc at the end of the prong that tapers from the end of the arc to a connection point of an adjacent arc, and tri-arc filaments have a generally-Y shape cross-section with bulbous or arcing tips. Further, tri-arc filaments may be useful in a plurality of applications including, but not limited to, filters, filters comprising particulate additives, and smoking device filters. | 10-09-2014 |
20140305455 | SMOKING ARTICLES WITH NANOCELLULOSE BARRIER - A smoking article includes a lighting end longitudinally opposite a filter end that includes a filter. A fluid-releasing element is disposed longitudinally between the lighting end and filter end. A paper material circumscribes a portion of the smoking article, and a nanocellulose barrier disposed upon at least one surface or interface within the smoking article is provided, effective to control passage of fluid through the paper material. | 10-16-2014 |
20140318561 | FILTER MATERIALS AND USES THEREOF - The present invention relates to filter materials comprising cellulose acetate and polylactide in a ratio of about 95:5 to about 75:25 by weight, and to filters ( | 10-30-2014 |
20140360518 | SMOKING ARTICLE WITH LIQUID DELIVERY MATERIAL - A smoking article ( | 12-11-2014 |
20150059788 | FILTER COMPONENTS, FILTERS, SMOKING ARTICLES, AND RELATED METHODS, ALL FOR THE CONTROLLED DELIVERY OF AEROSOLS - A filter for a smoking article comprises a mouth end filter segment and a rod end filter segment. The rod end filter segment has a passage extending longitudinally therethrough. The passage has a diameter of about 1.0 mm or greater. In one embodiment, the rod end filter segment is comprised of an infinite pressure drop material. In another embodiment, the rod end filter segment is comprised of a low pressure drop material having a hollow tubular element disposed within to define the passage with an inner diameter greater than about 1.55 mm. Air dilution means are disposed in one of said filter segments to admit ventilating air into the filter. | 03-05-2015 |
20150090282 | SMOKING ARTICLE FILTERS - The present invention relates to improvements in filters for use in smoking articles such as cigarettes, cigars and cigarillos. The improvements, particularly but not exclusively, relate to filter capabilities and to the manufacture of such filters. In one example, a filter for a smoking article comprises a first fibrous filter material having an average fibre denier in the range 7 to 9 and a second fibrous filter material having an average fibre denier of below 7. The application also describes a filter for a smoking article comprising various other filter arrangements including absorbent and/or adsorbent materials. | 04-02-2015 |
20150107613 | SMOKING ARTICLE FILTERS - The present invention relates to improvements in filters for use in smoking articles such as cigarettes, cigars and cigarillos. The improvements, particularly but not exclusively, relate to filter capabilities and to the manufacture of such filters. In one example, a filter for a smoking article comprises randomly oriented discrete short length fibres of absorbent having adsorbent particles dispersed therein. The invention also provides a filter for a smoking article comprising various other filter arrangements including absorbent and/or adsorbent materials. | 04-23-2015 |
20150114412 | SMOKING ARTICLES - The invention relates to smoking articles ( | 04-30-2015 |
20150305401 | SMOKE FILTERS FOR REDUCING COMPONENTS IN A SMOKE STREAM - Smoke filters that reduce the concentration of carbon monoxide and phenols in a smoke stream may include a porous mass section comprising a plurality of active particles, a plurality of binder particles, and an active coating disposed on at least a portion of the active particles and the binder particles, wherein the active particles and the binder particles are bound together at a plurality of contact points; and a filter section. In some instances, a filter may include a porous mass section comprising a plurality of active particles and a plurality of binder particles, wherein the active particles and the binder particles are bound together at a plurality of contact points without an adhesive; and a filter section comprising an active dopant. | 10-29-2015 |
20150342249 | FILTER MATERIAL FOR A FILTER ELEMENT OF A SMOKING ARTICLE, AND ASSOCIATED SYSTEM AND METHOD - A method and associated system are provided for forming a biodegradable filter material for a filter element of a smoking article, wherein the method involves combining cellulose acetate fibers with regenerated cellulose fibers, drawing the combined cellulose acetate fibers and regenerated cellulose fibers to form drawn combined fibers, and crimping the drawn combined fibers to form a mixed fiber tow. An associated filter material for the filter element of a smoking article is also provided. | 12-03-2015 |
20150374031 | SEGMENTED CIGARETTE FILTER FOR SELECTIVE SMOKE FILTRATION - A method of making a filter element configured for use in a smoking article comprises selecting at least one finish composition configured to selectively filter at least one target component of mainstream aerosol, and applying the finish composition to a fibrous material. | 12-31-2015 |
20160044958 | MIXED FIBER SLIVER FOR USE IN THE MANUFACTURE OF CIGARETTE FILTER ELEMENTS - Smoking articles including filter elements formed from two or more fibrous inputs with different physical properties are provided. The two or more fibrous inputs are provided in the form of staple fibers, which are at least partially entangled with each other to form a mixed fiber sliver. The mixed fiber sliver includes a first plurality of cellulose acetate staple fibers blended with a second plurality of staple fibers comprising a polymeric material different from the first plurality of staple fibers, such as staple fibers of a degradable polymeric material. The entangled fibers of the mixed fiber sliver may be sufficiently separated from one another such that blooming operations typically required in filter element production may not be necessary prior to incorporating the mixed fiber sliver into a filter element. Related methods, apparatuses and mixed fiber products are also provided by the disclosure. | 02-18-2016 |
20160095350 | BIOPOLYMER FOAMS AS FILTERS FOR SMOKING ARTICLES - A process for preparing a filter plug for a smoking article, such as a cigarette, includes: (a) freeze-drying a solution of a biopolymer to form a structure; and (b) cutting the structure to a predetermined dimension, to thereby prepare a filter plug for a smoking article. Another process for preparing a filter plug for a smoking article, such as a cigarette, includes: (a) extruding a mixture of a foaming agent and a biopolymer comprising a protein to form a structure; and (b) cutting the structure to a predetermined dimension, to thereby form a filter plug for a smoking article. | 04-07-2016 |