| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 131341000 | Plural diverse elements | 22 |
| 20090288672 | Cigarette Filter Comprising a Carbonaceous Fiber - The invention provides a cigarette filter including at least one filter segment having one or more composite fiber structures imbedded therein, the composite fiber structure including a carrier fiber and an adsorbent fiber, the adsorbent fiber including an adsorbent material. The filter can include one or more segments of fibrous tow material, with the one or more composite fiber structures imbedded within the fibrous tow, the composite fiber structure including a carrier fiber and a carbonaceous fiber. | 11-26-2009 |
| 20120080043 | Introducing Objects Into Elongate Smoking Articles - An apparatus for making an object assembly for use in the manufacture of smoking articles comprises a conveyance path for conveying an elongate member and a delivery mechanism configured to deliver objects onto the elongate member conveyed along the path such that a plurality of rows of objects are formed along the length thereof. | 04-05-2012 |
| 20120318286 | BIODEGRADABLE CIGARETTE FILTER AND METHODS FOR MAKING SAME - A biodegradable cigarette filter has a filter tow surrounded by one or more wrapper layers. The filter tow is a mixture of hemp, a second fibrous material comprising cotton, paper, or a mixture of cotton and paper, and a thickening and bonding agent comprising flour or starch initially added to the mixture as a solution in water. The mixture of hemp and the second fibrous material in the filter tow act as a filtering matrix for the cigarette smoke when consumed by a user. In one example, two wrapper layers comprising a plug wrap and a tipping paper surround the filter tow. The filter tow or one or both wrapper layers, or both the tow and wrapper layers, may contain plantable seeds. | 12-20-2012 |
| 20140034072 | Methods of Producing Filters and Filter Rods Comprising Porous Masses and Articles Relating Thereto - Porous masses that comprise a plurality of active particles and binder particles bound together at a plurality of sintered contact points may be useful in filters, including articles (like smoking devices) and methods relating thereto. The production of such filters may involve the production of filter rods that involves forming a desired abutting configuration that comprises a plurality of sections, the plurality of sections comprising at least one porous mass section and at least one other filter section; securing the desired abutting configuration so as to yield a segmented filter rod length; and cutting the segmented filter rod length into segmented filter rods, wherein the steps of forming, securing, and cutting are performed so as to produce the segmented filter rods at a rate of about 25 m/min or greater. | 02-06-2014 |
| 20140216487 | POROUS CARBON AND METHODS OF PRODUCTION THEREOF - Embodiments of the invention relate to porous carbon and methods of preparing porous carbon. In some embodiments, the prepared porous carbon exhibits eithanced selectivity for hydrogen cyanide (HCN), In one embodiment, the method comprises impregnating activated carbon with a metal oxide, such as zinc oxide. The carbon is suitable for use in smoke filtration. | 08-07-2014 |
| 20140352708 | Filters for Cigarettes, Pipes, and Cigars and Related Products - A filter media containing continuous nanofiber or submicron fiber having low air resistance that that can be incorporated into cigarettes, cigarette attachments, pipes, and cigars. The media may formed in circular or cylindrical shapes and is comprised of thin, flexible fabric forms that can be cut and fit into the body or cavity of cigarettes, cigarette attachments, pipes, cigars, and other tobacco related products and incorporates a nanofiber or submicron fiber coating creating an interfiber spacing between 1.0 to 2.0 μm, preferably between 1.2 and 1.5 μm. | 12-04-2014 |
| 20150040931 | TOBACCO SMOKE FILTER - The invention provides a method of producing a tobacco smoke filter or filter element comprising:
| 02-12-2015 |
| 20160106147 | TOBACCO SMOKE FILTER - A tobacco smoke filter or filter element including a longitudinally extending core of tobacco smoke filtering material of circumference 14 to 17 mm which includes a channel which extends longitudinally from an end of the core; wherein the core further includes a plasticiser in an amount of 17 to 19% by weight of the tobacco smoke filtering material. | 04-21-2016 |
| 20160192700 | CATALYTICALLY DEGRADABLE PLASTIC AND USE OF SAME | 07-07-2016 |
| 131342000 | Including particulate material | 3 |
| 20090260645 | METHOD FOR NEUTRALIZATION, ADSORPTION, AND ABSORPTION OF HAZARDOUS OR OTHERWISE UNDESIRED COMPOUNDS IN A TOBACCO PRODUCT - A tobacco product comprising nanocrystalline particles and methods of reducing the levels of undesirable compounds in tobacco smoke are provided. The nanocrystalline particles are effective sorbents of numerous toxic compounds released by burning tobacco and may be incorporated into the tobacco itself, incorporated into a filter element, or incorporated into the fibers of a wrapping paper. | 10-22-2009 |
| 20120103352 | CIGARETTE FILTER, PROCESS FOR PRODUCING THE SAME, AND CIGARETTE - A cigarette filter comprises a cellulose ester tow and a cellulose acetate particle dispersed in the cellulose ester tow, and the cellulose acetate particle has the following particle size: not less than 90% by weight of the cellulose acetate particle pass through a sieve having an aperture size of 1.7 mm and fail to pass through a sieve having an aperture size of 0.10 mm, and these sieves are in accordance with JIS Z8801-1 2006. | 05-03-2012 |
| 20120118309 | COMPOSITE PARTICLE, CIGARETTE FILTER AND PROCESS FOR PRODUCING THE SAME, AND CIGARETTE - A composite particle comprises a cellulose acetate and at least one amino compound selected from the group consisting of an amino acid and an aminosulfonic acid. | 05-17-2012 |
| 131343000 | Plasticizer or adhesive coating | 2 |
| 20080295853 | Filtered Smoking Article - A filter element suitable for use as a cigarette filter includes at least one section of fibrous tow comprising at least one plasticizer, the plasticizer including a citric acid ester, such as triethyl citrate, present in an amount of no more than about 15 weight percent based on the total weight of the filter material, and an adsorbent material, such as a granular carbonaceous material. One exemplary filter element has two or more sections of cellulose acetate tow comprising triethyl citrate in an amount of no more than about 12 weight percent based on the total weight of the filter material, and a granular carbonaceous material dispersed within at least one section of cellulose acetate tow. Cigarettes incorporating the filter element and methods of extending shelf-life of cigarettes including an adsorbent material are also provided. | 12-04-2008 |
| 20110088709 | TOBACCO FILTER - A tobacco filter which can easily produce a hand-rolled cigarette, can suppress excessive heat conduction to a smoker's lips, and can suppress spoiling of tobacco taste during smoking is provided. A tobacco filter for producing a hand-rolled cigarette by wrapping at least a portion thereof together with a smoking plant with a wrapping paper has an outer surface on which grooves are formed and a smoke channel. The tobacco filter is made of an incombustible material. A surface area of an outer surface of the tobacco filter is increased due to the formation of the grooves so that the tobacco filter can be efficiently cooled and the excessive heat conduction to a smoker's lips can be suppressed. In wrapping the tobacco filter with the wrapping paper, inward folding lines are formed on the wrapping paper by corner portions of the tobacco filter. | 04-21-2011 |
| 131344000 | Occupying plural, separate, distinct zones | 8 |
| 20090314303 | Smoking Articles And Filter Therefor - A filter for smoking articles includes two sections, a first section ( | 12-24-2009 |
| 20100037905 | FILTER OR FILTER ELEMENT FOR TOBACCO SMOKE CIGARETTE CONTAINING SUCH A FILTER OR FILTER ELEMENT AND METHOD FOR PRODUCING SUCH A FILTER OR FILTER ELEMENT - The invention relates to a filter or filter element with a substantially cylindrical filter body, which contains, in particular, at least two different additives, the additives being located in at least two zones which are arranged one after the other in the longitudinal-axial direction of the filter body and/or in at least two zones, more particularly layers, which at least in sections lie one above the other in the radial direction of the filter body. The invention also relates to a filter or filter element for tobacco smoke, comprising a substantially cylindrical filter body that can be made from a material which in its initial state is flat, more particularly endlessly curled filaments, paper, fibrous webbing, textile material, non-woven and the like, the filter body comprising at least two zones which are arranged one after the other in the longitudinal-axial direction of the filter body, a tobacco-end zone containing an additive and a mouth-end zone being free from additive. The subject matter according to the invention permits better filtering of burnt products. The invention also relates to a method which is particularly suitable for producing filters or filter elements for tobacco smoke, in which method a filter body is provided with at least two different zones, the additive being applied to a flat starting material from which the filter body is formed in substantially parallel strips and/or in layers one above the other. | 02-18-2010 |
| 20100122708 | Adsorbent Material Impregnated with Metal Oxide Component - The invention provides a modified adsorbent material impregnated with a metal oxide, which can be used in a filter element adapted for use in a smoking article. The modified adsorbent material exhibits increased filtration efficiency with respect to certain gas phase species of mainstream cigarette smoke. Exemplary adsorbent materials that can be modified according to the invention include activated carbon, molecular sieves, clays, ion exchange resins, activated aluminas, silica gels, meerschaum, and mixtures thereof. One example of a metal oxide is cerium oxide. Impregnation with a metal oxide can be accomplished by directly treating the adsorbent with a metal oxide or impregnating the adsorbent with a metal oxide precursor, such as cerium nitrate, followed by calcining the impregnated material to convert the precursor to the desired metal oxide. Methods of forming the modified adsorbent material and smoking article filters incorporating the modified adsorbent material are also provided. | 05-20-2010 |
| 20110155156 | Wrapper for Smoking Material Rods - The present invention related to wrappers ( | 06-30-2011 |
| 20120080044 | CIGARETTE FILTER INCLUDING CHEMICAL COMPOSITIONS ADAPTED TO DECOMPOSE CELLULOSE ACETATE - According to at least one exemplary embodiment, a smoking article filter formed from cellulose acetate and including a wrapper is disclosed. The smoking article filter can include at least one chemical composition adapted to react with and decompose the cellulose acetate, contained within at least one carrier disposed within the smoking article filter. | 04-05-2012 |
| 20120272978 | Smoking area - A device designed to create a smoking area wherever the smoker is located. Furthermore, dramatically reducing or eliminating secondhand smoke exposure to people and the environment by giving smokers the option not to expose their surrounding by utilizing this invention. The three major components of the invention consist of (1) two types of handheld units which are known as horizontal handheld unit and vertical handheld unit. (2) The flexible tube that connects the other two components completing the suction system. And (3) the smoke elimination unit which contains the motor and fan. All three components together create one invention known as the smoking area. | 11-01-2012 |
| 20130306085 | METHODS AND ARTICLES TO CONTROL THE GAS-PARTICLE PARTITION OF AN AEROSOL TO ENHANCE ITS TASTE CHARACTERISTICS - A method and article are provided for controlling an inner filter temperature of an aerosol-generating product or device to alter the aerosol taste characteristics. The method comprises selecting a heat adsorbing or reflecting material to apply to a filter of a smoking article, the heat adsorbing or reflecting material having one or more properties associated therewith; and applying the heat adsorbing or reflecting material to the filter, the at least one heat adsorbing or reflecting materials being configured to control the inner temperature of the filter. | 11-21-2013 |
| 20140020699 | SMOKING ARTICLES - A smoking article comprising at least two of: (a) a tobacco blend comprising one or more tobaccos or tobacco grades with low TSNA and/or metal content; (b) a tobacco blend that has been treated to remove polyphenols and/or peptides; (c) a tobacco substitute sheet comprising a non-combustible inorganic filler, a binder and an aerosol generating means; (d) a high activity carbon comprising a polymer-derived carbon material; and (e) an amine-functionalised chelating resin. | 01-23-2014 |
