Celanese Acetate LLC Patent applications |
Patent application number | Title | Published |
20160068665 | CELLULOSE ESTER PLASTICS AND METHODS AND ARTICLES RELATING THERETO - Cellulose ester plastics may be formulated to have a depressed melt processing temperatures, improved heat resistance, increased mechanical stability, or some combination thereof. For example, in some instances, a cellulose ester plastic may include a plasticized cellulose ester at about 1% to about 99% by weight of the cellulose ester plastic, the plasticized cellulose ester consisting of a cellulose ester at about 60% to about 90% by weight of the plasticized cellulose ester and a plasticizer at about 10% to about 40% by weight of the plasticized cellulose ester, wherein the plasticizer comprises a carbonate ester, a polyol benzoate, or both; and a thermoplastic polymer at about 1% to about 99% by weight of the cellulose ester plastic; and wherein the cellulose ester plastic is melt processable. | 03-10-2016 |
20160068656 | CELLULOSE ESTER PLASTICS AND METHODS AND ARTICLES RELATING THERETO - Cellulose ester plastics may be formulated to have a depressed melt processing temperatures, improved heat resistance, increased mechanical stability, or some combination thereof. For example, in some instances, a cellulose ester plastic comprising: a cellulose ester at about 20% to about 90% by weight of the cellulose ester plastic; and a plasticizer that comprises a carbonate ester, a polyol benzoate, or both, wherein the plasticizer is at about 2% to about 40% by weight of the cellulose ester plastic, wherein the cellulose ester plastic is melt processable. | 03-10-2016 |
20160031589 | CONFIGURABLE SHIPPING CONTAINER - Shipping containers for porous masses may include a bottom lid having a rectangular lid bottom and four bottom rims that are each continuous with the lid bottom; a tray comprising a tray bottom and four tray sidewalls that are each continuous with the tray bottom defining an interior with an open top; and a top lid having a rectangular lid top and four top rims that are each continuous with the lid top, wherein the tray is configured to be placed on a bottom lid with the bottom rims surrounding a portion of the tray with a top lid placed over the top of the tray with the top rims surrounding a portion of the tray. | 02-04-2016 |
20150361311 | HIGHLY-PLASTICIZED CELLULOSE ACETATE ADHESIVES - In some instances, an adhesive may include a plasticizer in an amount of about 15% or greater by weight of the adhesive; and a cellulose acetate having a relationship between an acetyl value and an intrinsic viscosity according to Equation 1 of about 2.80 to about 3.85 (or about 2.80 to about 3.20): | 12-17-2015 |
20150361310 | ADHESIVES THAT INCLUDE HIGHLY-PLASTICIZED CELLULOSE ESTERS AND METHODS AND ARTICLES RELATING THERETO - In some instances, adhesives may include a cellulose ester and a plasticizer in an amount of about 15% or greater by weight of the adhesive, wherein the plasticizer comprises a nonionic surfactant. In some instances, adhesives may include a cellulose ester and a mixture of two or more plasticizers in an amount of about 15% or greater by weight of the adhesive, wherein a melt flow index of the adhesive melt is greater than comparable adhesive melts that comprise the cellulose ester and only one of the plasticizers at the same amount. | 12-17-2015 |
20150361309 | LIQUID CELLULOSE ESTER ADHESIVES - Liquid adhesives may be produced that include plasticized cellulose esters, plasticized starch ester, or both. For example, an adhesive may include a cellulose ester, a starch ester, or both at about 1% to about 30% by weight of the adhesive; and a plasticizer, wherein the adhesive has a dynamic viscosity of about 100 Pa·s or less at 25° C. and a shear rate of 40 s | 12-17-2015 |
20150307754 | ADHESIVES THAT INCLUDE HIGHLY-PLASTICIZED CELLULOSE ESTERS AND METHODS AND ARTICLES RELATING THERETO - Adhesives may include a base polymer composition, optionally a tackifying resin, optionally a wax, and optionally additives (e.g., plasticizers, fillers, antioxidants, and the like, and combinations thereof), where the base polymer comprises a highly plasticized cellulose ester and optionally polymers traditionally used in pressure sensitive adhesives, hot melt pressure sensitive adhesives, or hot melt adhesives (e.g., ethylene vinyl acetate copolymers, polysiloxanes, and polyurethanes). | 10-29-2015 |
20150306230 | DRUG DELIVERY VEHICLES COMPRISING CELLULOSE DERIVATIVES, STARCH DERIVATIVES, AND COMBINATIONS THEREOF - A drug delivery vehicle (e.g., a patch, a pill, an intravaginal ring, and an implant) may include a polymer matrix comprising a plasticizer and at least one selected from the group consisting of: a cellulose ester, a cellulose ether, a starch ester, a starch ether, and a combination thereof. A drug may be dispersed in the polymer matrix, in another portion of the drug delivery vehicle, or both. | 10-29-2015 |
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 |
20150128964 | PRODUCTS OF HIGH DENIER PER FILAMENT AND LOW TOTAL DENIER TOW BANDS - A method for forming a filter rod may include providing a bale of crimped tow band having about 10 denier per filament or greater and about 20,000 total denier or less, the crimped tow band comprising a plurality of cellulose acetate filaments; and placing the crimped tow band in an apparatus so as to form a filter rod. | 05-14-2015 |
20150090156 | ADHESIVES THAT INCLUDE PLASTICIZED STARCH DERIVATIVES AND METHODS AND ARTICLES RELATING THERETO - The adhesive compositions that include starch derivatives, plasticizers, optionally cellulose derivatives, and optionally other additives. By tailoring the composition and concentration of these components, hot melt adhesive compositions, hot melt pressure sensitive adhesive compositions, and pressure sensitive adhesives have been produced. Further, these adhesive compositions may be useful in articles including diapers, laminates, repositionable advertisements, and many more. | 04-02-2015 |
20150037377 | SUBSTITUTED CELLULOSE ACETATES AND USES THEREOF - The present invention relates to substituted cellulose acetates and methods of use thereof. One embodiment of the present invention provides a coating having a substituted cellulose acetate having a polar substituent that has an oxygen atom covalently bonded to a nonmetal selected from the group of sulfur, phosphorus, and boron; wherein the nonmetal is present in at least about 0.01% by weight of the substituted cellulose acetate. | 02-05-2015 |
20150017419 | Tagged Porous Masses - Porous masses that include taggants may provide for product authentication and counterfeit identification, especially products like smoking device filters and smoking devices. In some instances, a tagged porous mass may include a plurality of binder particles; a taggant that comprises at least one taggant component selected from the group consisting of an elemental marker, a molecular fluorophore, a particulate fluorophore, and any combination thereof; a plurality of second particles, wherein the second particles comprise at least one selected from the group consisting of active particles, organic particles, and any combination thereof; and wherein the binder particles are bound to the second particles at sintered contact points. | 01-15-2015 |
20150014405 | TAGGED CELLULOSE ESTER FILMS - Cellulose ester films may include taggants to provide for product authentication and counterfeit identification, especially in packaging applications. In some instances, a tagged cellulose ester film may include cellulose ester, a plasticizer, and a taggant, wherein the taggant comprises at least one taggant component selected from the group consisting of an elemental marker, a molecular fluorophore, a particulate fluorophore, and any combination thereof. | 01-15-2015 |
20140315720 | POLYSACCHARIDE ESTER MICROSPHERES AND METHODS AND ARTICLES RELATING THERETO - A method for producing a polysaccharide ester microsphere may include forming a polysaccharide ester product from a polysaccharide synthesis, wherein the polysaccharide ester product comprises a polysaccharide ester and a solvent; diluting the polysaccharide ester product, thereby yielding a polysaccharide ester dope; and forming a plurality of polysaccharide ester microspheres from the polysaccharide ester dope. Suitable polysaccharides may include, but are not limited to, starch, cellulose, hemicellulose, algenates, chitosan, and any combination thereof. Esters thereof may be organic esters (e.g., acetate and the like), inorganic esters (e.g., sulfonates and the like), or combinations thereof. Further, the solids conent of the polysaccharide ester dope, in some instances, may be greater than about 16 wt %. | 10-23-2014 |
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 |
20140275516 | NATURALLY DERIVED MIXED CELLULOSE ESTERS AND METHODS RELATING THERETO - Mixed cellulose esters derived from natural products (e.g., natural cellulose esters) may be produced by methods that include acylating a cellulose with a natural esterification reactant or a derivative thereof to yield a natural cellulose ester. In some instances, the natural esterification reactant derivative may be a saponified natural esterification reactant. In some instances, the natural cellulose esters may have a glass transition temperature of about −55° C. to about 170° C. | 09-18-2014 |
20140272368 | CELLULOSE DIESTER FILMS FOR PLAYING CARDS - Cellulose diester films that include a cellulose diester; a plasticizer; a colorant; and an opacity additive may be useful for playing cards. In some instances, forming cellulose diester films may include preparing a dope that comprises a cellulose diester, a plasticizer, and a solvent; introducing a colorant and an opacity additive into the dope to yield a casting dope; and casting the casting dope into a cellulose diester film. Playing cards may then be produced by methods including, for example, cutting the cellulose diester film and printing on the cellulose diester film. | 09-18-2014 |
20140263301 | CONFIGURABLE SHIPPING CONTAINER - Shipping containers for porous masses may include a bottom lid having a rectangular lid bottom and four bottom rims that are each continuous with the lid bottom; a tray comprising a tray bottom and four tray sidewalls that are each continuous with the tray bottom defining an interior with an open top; and a top lid having a rectangular lid top and four top rims that are each continuous with the lid top, wherein the tray is configured to be placed on a bottom lid with the bottom rims surrounding a portion of the tray with a top lid placed over the top of the tray with the top rims surrounding a portion of the tray. | 09-18-2014 |
20140262018 | Hot Melt and Pressure Sensitive Adhesives that Include Highly-Plasticized Cellulose Esters and Methods and Articles Relating Thereto - Hot melt and pressure-sensitive adhesives may comprise highly-plasticized cellulose esters, e.g., a cellulose ester and a plasticizer, the plasticizer included in an amount of about 30% to about 60% by weight of the adhesive. A highly-plasticized cellulose ester adhesive may be utilized in a sheet form by disposing the adhesive sheet between a first surface and a second surface; and heating the adhesive sheet so as to adhere the first surface to the second surface. | 09-18-2014 |
20140262017 | Hot Melt and Pressure Sensitive Adhesives that Include Highly-Plasticized Cellulose Esters and Methods and Articles Relating Thereto - Hot melt and pressure-sensitive adhesives may comprise highly-plasticized cellulose esters, e.g., a cellulose ester and a plasticizer, the plasticizer included in an amount of about 30% to about 60% by weight of the cellulose ester. A highly-plasticized cellulose ester adhesive that is tacky at room temperature may be utilized by applying the adhesive to a first surface; and adhering a second surface to the first surface with the adhesive. | 09-18-2014 |
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 |
20140261475 | APPARATUSES, SYSTEMS, AND ASSOCIATED METHODS FOR FORMING ORGANIC POROUS MASSES FOR FLAVORED SMOKE FILTERS - Organic porous masses may be used in flavored smoke filters. Production of organic porous masses may involve introducing a matrix material into a mold cavity, the matrix material comprising a plurality of binder particles, a plurality of organic particles, and a microwave enhancement additive; heating at least a portion of the matrix material so as to bind the matrix material at a plurality of contact points, thereby forming an organic porous mass length, wherein heating involves irradiating with microwave radiation the at least a portion of the matrix material; and cutting the organic porous mass length radially thereby yielding an organic porous mass. | 09-18-2014 |
20140242326 | Wood Laminate Articles Comprising Substituted Cellulose Ester Adhesives and Methods Relating Thereto - Wood laminates may comprise a plurality of wood substrates and an adhesive disposed between at least a portion of at least two of the wood substrates, the adhesive comprising a substituted cellulose ester that comprises a cellulose polymer backbone having an organic ester substituent and an inorganic ester substituent that comprises an inorganic, nonmetal atom selected from the group consisting of sulfur, phosphorus, boron, and chlorine. In some instances the adhesive may be substantially formaldehyde-free. | 08-28-2014 |
20140193653 | Fibrous Substrates Adhered with Substituted Cellulose Ester Adhesives and Methods Relating Thereto - Fibrous substrates may be adhered to other substrates utilizing substituted cellulose ester adhesives that comprises a cellulose polymer backbone having an organic ester substituent and an inorganic ester substituent that comprises an inorganic, nonmetal atom selected from the group consisting of sulfur, phosphorus, boron, and chlorine. | 07-10-2014 |
20140113826 | POLYSACCHARIDE ESTER MICROSPHERES AND METHODS AND ARTICLES RELATING THERETO - A method for producing a polysaccharide ester microsphere may include forming a polysaccharide ester product from a polysaccharide synthesis, wherein the polysaccharide ester product comprises a polysaccharide ester and a solvent; diluting the polysaccharide ester product, thereby yielding a polysaccharide ester dope; and forming a plurality of polysaccharide ester microspheres from the polysaccharide ester dope. Suitable polysaccharides may include, but are not limited to, starch, cellulose, hemicellulose, algenates, chitosan, and any combination thereof. Esters thereof may be organic esters (e.g., acetate and the like), inorganic esters (e.g., sulfonates and the like), or combinations thereof. Further, the solids conent of the polysaccharide ester dope, in some instances, may be greater than about 16 wt %. | 04-24-2014 |
20140087122 | Engineered Wood Produced with Substituted Cellulose Ester Adhesives and Methods Relating Thereto - Engineered wood may be produced with substituted cellulose ester adhesives. For example, an engineered wood may comprise a plurality of wood substrates that independently comprise a lignin-containing material (e.g., wood dust, wood particles, wood chips, and the like), the plurality of wood substrates being adhered together with an adhesive that comprises a substituted cellulose ester that comprises a cellulose polymer backbone having an organic ester substituent and an inorganic ester substituent that comprises an inorganic, nonmetal atom selected from the group consisting of sulfur, phosphorus, boron, and chlorine. | 03-27-2014 |
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 |
20140070465 | 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. | 03-13-2014 |
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 |
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 |
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 |
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 |
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 |
20130240133 | NONWOVEN FROM BULKED FILAMENT TOW - A nonwoven material has a plurality of randomly oriented and bulked crimped filaments, a plurality of point bonds interconnecting said crimped filaments into a fixed, 3-dimensional structure, and either a surface portion of said fixed, 3-dimensional structure having a greater density than an inner portion of said 3-dimensional structure or an external surface of said fixed, 3-dimensional structure being substantially free of any protruding filaments. The nonwoven material is made by: bulking a filament tow, fixing the bulked tow into a 3-dimensional structure, and calendering the 3-dimensional structure. | 09-19-2013 |
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 |
20130231419 | Methods of Preparing Polysaccharide Sheets for Esterification - Processing of cellulose, and more particularly, fiber opening and downstream processing and chemistry are provided. A process includes moistening a cellulose sheet stock to a water content in a range from about 20% to about 50%, attriting the moistened cellulose sheet to a wet pulp, flash drying the wet pulp to a floccule of cellulose having a moisture content from about 4% to about 8%, and esterifying the floccule of cellulose to provide a cellulose ester product. | 09-05-2013 |
20130221563 | 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. | 08-29-2013 |
20130221562 | 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. | 08-29-2013 |
20130220349 | DEFORMABLE TABLET WITH WATER TRIGGERED CATALYST RELEASE - A tablet contains reagents with catalytic activity, release of which is triggered by exposure of the tablet to water. A malleable capsule includes: (a) a flexible polymer; (b) a plasticizer; and (c) a catalyst disposed within the capsule, wherein a portion of the catalyst is released from the capsule upon exposure of the capsule to water. | 08-29-2013 |
20130214447 | 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. | 08-22-2013 |
20130196849 | Substituted Cellulose Acetates and Uses Thereof - The present invention relates to substituted cellulose acetates and methods of use thereof. One embodiment of the present invention provides a coating having a substituted cellulose acetate having a polar substituent that has an oxygen atom covalently bonded to a nonmetal selected from the group of sulfur, phosphorus, and boron; wherein the nonmetal is present in at least about 0.01% by weight of the substituted cellulose acetate. | 08-01-2013 |
20130196063 | Substituted Cellulose Acetates and Uses Thereof - The present invention relates to substituted cellulose acetates and methods of use thereof. One embodiment of the present invention provides a composition having a substituted cellulose acetate having a polar substituent that has an oxygen atom covalently bonded to a nonmetal selected from the group of sulfur, phosphorus, and boron; where the nonmetal is present in at least about 0.01% by weight of the substituted cellulose acetate. | 08-01-2013 |
20130195960 | Substituted Cellulose Acetates and Uses Thereof - The present invention relates to substituted cellulose acetates and methods of use thereof. One embodiment of the present invention provides a diaper having an inner layer having an absorbent core having a substituted cellulose acetate having a polar substituent that has an oxygen atom covalently bonded to a nonmetal selected from the group of sulfur, phosphorus, boron, and chlorine; wherein the nonmetal is present in at least about 0.01% by weight of the substituted cellulose acetate; and an outer layer. | 08-01-2013 |
20130195787 | Substituted Cellulose Acetates and Uses Thereof - The present invention relates to substituted cellulose acetates and methods of use thereof. One embodiment of the present invention provides a drilling fluid having a base fluid and a viscosifier having a substituted cellulose acetate having a polar substituent that comprises an oxygen atom covalently bonded to a nonmetal selected from the group of sulfur, phosphorus, boron, and chlorine; where the nonmetal is present in at least about 0.01% by weight of the substituted cellulose acetate. | 08-01-2013 |
20130192613 | Substituted Cellulose Acetates and Uses Thereof - The present invention relates to substituted cellulose acetates and methods of use thereof. One embodiment of the present invention provides a cigarette filter material having a filter having a substituted cellulose acetate having a polar substituent that has an oxygen atom covalently bonded to a nonmetal selected from the group of sulfur, phosphorus, boron, and chlorine; wherein the nonmetal is present in at least 0.01% by weight of the substituted cellulose acetate. | 08-01-2013 |
20130134100 | Compacted Filter Beds Comprising Non-Sintered, Buoyant Filter Media and Methods Relating Thereto - Compacted filter beds comprising a non-sintered, buoyant filter medium may be useful in fluid filtration apparatuses and methods. For example, a method may include filtering a first fluid through a filter bed that is compacted, the filter bed comprising a non-sintered, buoyant filter medium that is mechanically compacted; and backflushing a second fluid through the filter bed so as to fluidize the non-sintered, buoyant filter medium. | 05-30-2013 |
20130115452 | High Denier Per Filament and Low Total Denier Tow Bands - A method for producing a bale of crimped tow band may include providing a tow band having about 10 denier per filament or greater and about 20,000 total denier or less, the tow band comprising a plurality of cellulose acetate filaments; crimping the tow band thereby yielding a crimped tow band; conditioning the crimped tow band; and baling the crimped tow band to form a bale. | 05-09-2013 |
20130112214 | Products of High Denier Per Filament and Low Total Denier Tow Bands - A method for forming a filter rod may include providing a bale of crimped tow band having about 10 denier per filament or greater and about 20,000 total denier or less, the crimped tow band comprising a plurality of cellulose acetate filaments; and placing the crimped tow band in an apparatus so as to form a filter rod. | 05-09-2013 |
20130096298 | Methods for Synthesizing Acylated Cellulose Through Instillation of an Acidic Catalyst - Instilling an acidic catalyst to a reaction mixture can be beneficial during the acylation of cellulose. Methods described herein can comprise preparing a reaction mixture comprising an acylating agent and cellulose, instilling a catalyst comprising an acid to the reaction mixture at an overall catalyst loading level of about 10% to about 20% by weight of the cellulose, and reacting the cellulose with the acylating agent in the presence of the catalyst, thereby forming an acylated cellulose. | 04-18-2013 |
20130096297 | Methods for Synthesizing Acylated Cellulose Through Instillation of an Acidic Catalyst - Instilling an acidic catalyst to a reaction mixture can be beneficial during the acylation of cellulose. Methods described herein can comprise preparing a reaction mixture comprising an acylating agent and cellulose, instilling a catalyst comprising an acid to the reaction mixture at an overall catalyst loading level of about 1% or less by weight of the cellulose, and reacting the cellulose with the acylating agent in the presence of the catalyst, thereby forming an acylated cellulose. | 04-18-2013 |
20130096296 | Methods for Synthesizing Acylated Cellulose Through Instillation of an Acidic Catalyst - Instilling an acidic catalyst to a reaction mixture can be beneficial during the acylation of cellulose. Methods described herein can comprise preparing a reaction mixture comprising an acylating agent and cellulose, instilling a catalyst comprising an acid to the reaction mixture, and reacting the cellulose with the acylating agent in the presence of the catalyst, thereby forming an acylated cellulose. | 04-18-2013 |
20130066250 | WOUND CARE PRODUCT MADE FROM BULKED FILAMENT TOW - A wound care product is a nonwoven fabric made of filaments bulked from a tow and fixed into a 3-dimensional structure. | 03-14-2013 |