Patent application number | Description | Published |
20080287283 | Catalyst body and methods - Disclosed are a catalyst and a catalyst body as defined herein and methods of use and manufacture. | 11-20-2008 |
20090142499 | Cement compositions for applying to ceramic honeycomb bodies - Disclosed are cement compositions for applying to honeycomb bodies. The cement compositions can be applied as a plugging cement composition, segment cement, or even as after applied artificial skins or coatings. The cement compositions generally include an inorganic powder batch mixture consisting essentially of inorganic particles having a particle size greater than 100 nm. The cement compositions can further include an organic binder, a liquid vehicle, and one or more optional processing aids. Also disclosed are honeycomb bodies having the disclosed cement compositions applied thereto and methods for making same. | 06-04-2009 |
20090143221 | Zeolite-Based Honeycomb Body - Zeolite-based honeycomb bodies and methods of manufacturing same. Zeolite-based honeycomb bodies especially suited for engine exhaust treatment applications include a primary phase comprising a zeolite having a SiO2 to Al2O3 molar ratio in the range from 5 to 300. The zeolite-based composites are porous with an open porosity of at least 25% and a median pore diameter of at least 1 micron. The zeolite-based honeycomb bodies can be manufactured by an extrusion method. | 06-04-2009 |
20090217648 | Exhaust treatment device having a reactive compound and conditioning the device via endothermic reaction - An exhaust treatment device and a method of conditioning the device that include a reactive compound capable of undergoing an endothermic reaction are described. A method of manufacturing the device is also disclosed. | 09-03-2009 |
20090286041 | Cement Compositions For Applying To Honeycomb Bodies - Disclosed are cement compositions for applying to honeycomb bodies as a plugging cement composition, segment cement, or even as an after-applied artificial skin or coating. The cement compositions generally comprise an inorganic powder batch mixture; an organic binder; a liquid vehicle; and a gelled inorganic binder. Also disclosed are honeycomb bodies having the disclosed cement compositions applied thereto, and methods for making same. | 11-19-2009 |
20100052197 | Method for Manufacturing Ceramic Honeycombs - Methods for making extruded ceramic products meeting set dimensional specifications comprise subjecting a small firing sample taken from a first unfired product preform to a rapid firing treatment to determine a value for firing shrinkage or growth, and then adjusting the dimensions of succeeding unfired preforms based on that value, e.g., by adjusting wet extruded product dimensions, so that the succeeding preforms will meet the set dimensional specifications. | 03-04-2010 |
20100052200 | Method For Porous Ceramic Honeycomb Shrinkage Reduction - A method for reducing shrinkage variability of ceramic honeycombs formed from batch mixtures including inorganic materials and a pore former. X is a cumulative amount of pore former particles having a diameter less than 37 μm. There is a maximum value of X (Xmax) and a minimum value of X (Xmin) during a production period, and ΔX=Xmax−Xmin. The method fixes an amount of pore former fines such that X ranges from 25%-71% by volume, and ΔX is ≦23% throughout the production period. | 03-04-2010 |
20100222200 | Aluminum Titanate-Containing Ceramic-Forming Batch Materials And Methods Using The Same - The present disclosure relates to aluminum titanate-containing ceramic-forming batch materials and methods using the same. | 09-02-2010 |
20100237007 | Cordierite Aluminum Magnesium Titanate Compositions And Ceramic Articles Comprising Same - Disclosed are ceramic bodies comprised of composite cordierite aluminum magnesium titanate ceramic compositions and methods for the manufacture of the same. | 09-23-2010 |
20100304957 | Zeolite-Based Honeycomb Body - Zeolite-based honeycomb bodies and methods of manufacturing same. Zeolite-based honeycomb bodies especially suited for engine exhaust treatment applications include a primary phase comprising a zeolite having a SiO2 to Al2O3 molar ratio in the range from 5 to 300. The zeolite-based composites are porous with an open porosity of at least 25% and a median pore diameter of at least 1 micron. The zeolite-based honeycomb bodies can be manufactured by an extrusion method. | 12-02-2010 |
20100329975 | Cordierite-Forming Compositions With Hydratable Alumina And Methods Therefor - A cordierite batch composition that includes a hydratable alumina, as defined herein. The hydratable alumina, when hydrated, can provide additional strength to shaped batch compositions at temperatures below those used to fire the compositions. Methods are also provided for forming cordierite ceramic articles from the cordierite batch compositions. | 12-30-2010 |
20110053757 | Methods for Making Aluminum Titanate Bodies and Minimizing Shrinkage Variability Thereof - The disclosure relates to methods for making aluminum titanate-containing ceramic bodies, and methods for predicting shrinkage and minimizing shrinkage variability of said bodies from target size. | 03-03-2011 |
20110195838 | ALUMINUM TITANATE CERAMIC FORMING BATCH MIXTURES AND GREEN BODIES INCLUDING PORE FORMER COMBINATIONS AND METHODS OF MANUFACTURING AND FIRING SAME - A ceramic forming batch mixture including inorganic batch materials, such as sources of alumina, titania, and silica, a pore former combination including first and second pore formers with different compositions; an organic binder; and a solvent. Also disclosed is a method for producing a ceramic article involving mixing the inorganic batch materials with the pore former combination having first and second pore formers of different composition, adding an organic binder and a solvent, forming a green body; and firing the green body. A green body having a combination of first and second pore formers with different compositions is disclosed, as are several methods for firing to produce ceramic articles such as aluminum titanate. | 08-11-2011 |
20120102706 | Methods of Making Filter Apparatus and Fabricating a Porous Ceramic Article - Methods of making a filter apparatus includes the step of creating a filter stack by axially spacing the porous ceramic plates from one another with a plurality of compliant spacers. In another example, the method includes the step of firing the first filter stack to sinter bond the first plurality of porous ceramic plates together with a first spacing element. In another example, the plurality of plates comprise a composition including catalyst particles and a binder material and the plates are fired to form porous plates without sintering a substantial amount of the catalyst particles. Methods of fabricating a porous ceramic article also include providing a porous substrate with a first material composition including mullite and infiltrating the pores of the substrate with a second material composition including cordierite. The method further includes the step of firing the first composition and the second composition to form the porous ceramic article. | 05-03-2012 |
20120102902 | Filter Apparatus With Porous Ceramic Plates - A filter apparatus comprises a filter stack including a plurality of porous ceramic plates that are axially spaced from one another to define plurality of axially spaced apart radial flow areas. In one example, the filter stack is mounted within a housing. In further examples, the plurality of porous ceramic plates alternate between a first set of porous ceramic plates that are nested with a second set of porous ceramic plates. In still further examples, at least one of the sides of the porous ceramic plates defines a plurality of radial flutes arranged in a radial array. | 05-03-2012 |
20120141904 | LOW MASS SOLID OXIDE FUEL DEVICE ARRAY MONOLITH - According to one embodiment of the invention a fuel cell device array monolith comprises at least three planar electrolyte sheets having two sides. The electrolyte sheets are situated adjacent to one another. At least one of the electrolyte sheets is supporting a plurality of anodes situated on one side of the electrolyte sheet; and plurality of cathodes situated on the other side of the electrolyte sheet. The electrolyte sheets are arranged such that the electrolyte sheets with a plurality of cathodes and anodes is situated between the other electrolyte sheets. The at least three electrolyte sheets are joined together by sintered fit, with no metal frames or bipolar plates situated therebetween. | 06-07-2012 |
20120220443 | CERAMIC-BODY-FORMING BATCH MATERIALS COMPRISING SILICA, METHODS USING THE SAME AND CERAMIC BODIES MADE THEREFROM - The disclosure relates to ceramic-body-forming batch materials comprising at least one pore former and inorganic batch components comprising at least one silica source having a specified particle size distribution, methods of making ceramic bodies using the same, and ceramic bodies made in accordance with said methods. The disclosure additionally relates to methods for reducing pore size variability in ceramic bodies and/or reducing process variability in making ceramic bodies. | 08-30-2012 |
20130106031 | Methods For Manufacturing Particulate Filters | 05-02-2013 |
20130111862 | CORDIERITE ALUMINUM MAGNESIUM TITANATE COMPOSITIONS AND CERAMIC ARTICLES COMPRISING SAME - Disclosed are ceramic bodies comprised of composite cordierite aluminum magnesium titanate ceramic compositions and methods for the manufacture of same. | 05-09-2013 |
20130210608 | CORDIERITE ALUMINUM MAGNESIUM TITANATE COMPOSITIONS AND CERAMIC ARTICLES COMPRISING SAME - Disclosed are ceramic bodies comprised of composite cordierite aluminum magnesium titanate ceramic compositions and methods for the manufacture of same. | 08-15-2013 |
20130244860 | CERAMIC-BODY-FORMING BATCH MATERIALS COMPRISING SILICA, METHODS USING THE SAME AND CERAMIC BODIES MADE THEREFROM - The disclosure relates to ceramic-body-forming batch materials comprising at least one pore former and inorganic batch components comprising at least one silica source having a specified particle size distribution, methods of making ceramic bodies using the same, and ceramic bodies made in accordance with said methods. The disclosure additionally relates to methods for reducing pore size variability in ceramic bodies and/or reducing process variability in making ceramic bodies. | 09-19-2013 |
20130256958 | CELLULAR CERAMIC ARTICLES WITH COATED CHANNELS AND METHODS FOR MAKING THE SAME - Cellular ceramic articles are manufactured from a green cellular ceramic body that includes a binder material and a plurality of channels. At least one of the channels is coated with a slurry that includes a green coating composition and a solvent to form a coating layer. The binder material is insoluble in the solvent. | 10-03-2013 |
20130320600 | SHRINKAGE CONTROL IN ALUMINUM TITANATE USING CARBONATES - A method for reducing shrinkage variability of aluminum titanate honeycombs includes preparing an aluminum titanate-forming batch material that includes least one alkaline earth carbonate having a particle size distribution. The particle size distribution of the at least one alkaline earth carbonate is selected based on the predicted shrinkage during sintering of the aluminum titanate honeycombs. | 12-05-2013 |
20130323160 | CARBONATES AS RELIC PORE FORMERS IN ALUMINUM TITANATE - The disclosure relates to aluminum titanate-forming batch materials comprising inorganic batch components comprising at least one alkaline earth carbonate having a specified particle size distribution, methods of making ceramic bodies using the same, and ceramic bodies made in accordance with said methods. | 12-05-2013 |
20140145360 | GRAPHITE BLENDING METHOD FOR CERAMIC SHRINKAGE CONTROL - A method for green-to-fired shrinkage control in honeycomb ceramic article manufacture, including:
| 05-29-2014 |
20140150389 | CORDIERITE ALUMINUM MAGNESIUM TITANATE COMPOSITIONS AND CERAMIC ARTICLES COMPRISING SAME - Disclosed are ceramic bodies comprised of composite cordierite aluminum magnesium titanate ceramic compositions and methods for the manufacture of same. | 06-05-2014 |
20140249020 | CERAMIC BODY FORMING BATCH MATERIALS COMPRISING SILICA METHODS USING THE SAME AND CERAMIC BODIES MADE THEREFROM - The disclosure relates to ceramic-body-forming batch materials comprising at least one pore former and inorganic batch components comprising at least one silica source having a specified particle size distribution, methods of making ceramic bodies using the same, and ceramic bodies made in accordance with said methods. The disclosure additionally relates to methods for reducing pore size variability in ceramic bodies and/or reducing process variability in making ceramic bodies. | 09-04-2014 |
20140252695 | FAST FIRING METHOD FOR CERAMICS - A method for firing a green honeycomb ceramic body in a kiln may include heating the green honeycomb ceramic body in four stages. The first stage may include heating the green honeycomb ceramic body from room temperature to a first temperature that at a first heating rate that is greater than or equal to about 75° C./hr. The second stage may include heating the green honeycomb ceramic body from the first temperature to a second temperature at a second heating rate that is less than or equal to the first heating rate. The third stage may include heating the green honeycomb ceramic body from the second temperature to a hold temperature at a third heating rate that is less than or equal to the first heating rate. The fourth stage may include holding the green honeycomb ceramic body at the hold temperature to remove residual carbon. | 09-11-2014 |
20140357473 | FORMED CERAMIC SUBSTRATE COMPOSITION FOR CATALYST INTEGRATION - Disclosed herein are formed ceramic substrates comprising an oxide ceramic material, wherein the formed ceramic substrate comprises a low elemental alkali metal content, such as less than about 1000 ppm. Also disclosed are composite bodies comprising at least one catalyst and a formed ceramic substrate comprising an oxide ceramic material, wherein the composite body has a low elemental alkali metal content, such as less than about 1000 ppm, and methods for preparing the same. | 12-04-2014 |
20140357476 | FORMED CERAMIC SUBSTRATE COMPOSITION FOR CATALYST INTEGRATION - Disclosed herein are formed ceramic substrates comprising an oxide ceramic material, wherein the formed ceramic substrate comprises a low elemental alkali metal content, such as less than about 1000 ppm. Also disclosed are composite bodies comprising at least one catalyst and a formed ceramic substrate comprising an oxide ceramic material, wherein the composite body has a low elemental alkali metal content, such as less than about 1000 ppm, and methods for preparing the same. | 12-04-2014 |