Patent application number | Description | Published |
20100215898 | Honeycomb structure and method for producing the same - There is provided a honeycomb structure and a method for producing the honeycomb structure, capable of reducing variance in pore diameter depending on part and capable of increasing the mean pore diameter as a whole. There is provided a method for producing a cordierite honeycomb structure 1 including the step of firing a honeycomb formed body. In the firing step, a temperature rise rate from 1200° C. to 1250° C. is controlled to 40° C./hr or more, a temperature rise rate from 1250° C. to 1300° C. is controlled to 2 to 40° C./hr, and a temperature rise rate from 1300° C. to 1400° C. is controlled to 40° C./hr or more. There is further provided a honeycomb structure having a porosity of 50 to 70%, a mean pore diameter of 15 to 30 μm, a difference in a mean pore diameter of 5 μm or less between in the central portion and in the outer peripheral portion, a thermal expansion coefficient of 1.0×10 | 08-26-2010 |
20120064286 | HONEYCOMB STRUCTURAL BODY - A honeycomb structural body includes porous partition walls arranged to form a plurality of cells which become through channels of a fluid, porosities of the partition walls are from 45 to 70%, a pore diameter distribution of the partition walls is measured by mercury porosimetry, the pore diameter distribution indicates a bimodal distribution, in the bimodal distribution, a pore diameter at the maximum peak value of a small pore side distribution is from 1 to 10 μm, and a pore diameter at the maximum peak value of a large pore side distribution exceeds 10 μm, and a ratio between a pore volume of the small pores and a pore volume of the large pores is in a range of 1:7 to 1:1 in the honeycomb structural body. | 03-15-2012 |
20120251768 | HONEYCOMB STRUCTURE, MANUFACTURING METHOD THEREOF, AND CATALYST CARRYING HONEYCOMB STRUCTURE - There is disclosed a honeycomb structure onto which a large amount of catalyst can be carried while suppressing an increase in pressure drop. In a honeycomb structure | 10-04-2012 |
20130071608 | HONEYCOMB STRUCTURE - There is provided a honeycomb structure | 03-21-2013 |
20130145735 | HONEYCOMB FILTER, AND MANUFACTURING METHOD OF THE SAME - A honeycomb filter includes a tubular honeycomb structure having porous partition walls with which there are formed a plurality of cells extending from one end surface to the other end surface to become through channels of a fluid; and plugged portions arranged in one open end portion of each of predetermined cells and the other open end portion of each of the remaining cells, porosities of the partition walls are 46% or less, a pore volume ratio of pores having pore diameters of 40 μm or more is 7.5% or less, and a pore volume ratio of pores having pore diameters of 10 μm or less is 25% or less, a permeability of the honeycomb structure is 0.8 μm | 06-13-2013 |
20130247525 | HONEYCOMB STRUCTURE AND MANUFACTURING METHOD OF HONEYCOMB STRUCTURE - The honeycomb structure includes a honeycomb structure part having porous partition walls, and porous plugged portions, and when there is drawn a straight line as an inner boundary line which is positioned at a distance of 30% of a distance between an outer end surface and an inner end surface, from the inner end surface, and there is drawn a straight line as an outer boundary line which is positioned at a distance of 70% of the distance between the outer end surface and the inner end surface, from the inner end surface, each of the plugged portions has an outer region, and an inner region which is the region between the inner end surface and the inner boundary line and whose porosity is larger than a porosity of the outer region. | 09-26-2013 |
20140167304 | HONEYCOMB STRUCTURE, MANUFACTURING METHOD THEREOF, AND CATALYST CARRYING HONEYCOMB STRUCTURE - There is disclosed a honeycomb structure onto which a large amount of catalyst can be carried while suppressing an increase in pressure drop. In a honeycomb structure comprising porous partition walls by which a plurality of cells that become through channels of a fluid are partitioned and in which a plurality of pores are formed. In each of the partition walls, pores having pore diameters larger than a thickness of the partition wall in a section thereof which is perpendicular to an extending direction of the cells are formed so as to occupy 4 to 11% of the total volume of the pores formed in the partition walls. | 06-19-2014 |
20140290196 | MANUFACTURING METHOD FOR HONEYCOMB STRUCTURE AND HONEYCOMB STRUCTURE - Provided is a technique to manufacture a honeycomb structure reducing a width of dimensional difference generated during firing between an end part and a central part and having excellent thermal shock resistance, and the method includes: a honeycomb formed body preparing step of extruding a kneaded material including a cordierite forming raw material A, to prepare a formed body; a plugged honeycomb formed body preparing step of filling cell openings thereof with a plugging material which includes a forming raw material containing a cordierite forming raw material B and resin balloon of 1.0 to 15 mass % and has a difference in firing shrinkage rate of −1.0 to +2.0% from the formed body, to prepare a plugged formed body; and a honeycomb structure preparing step of firing the prepared plugged formed body, to prepare a honeycomb structure provided with porous plugged portions. | 10-02-2014 |
20140296059 | HONEYCOMB CATALYST BODY - The honeycomb catalyst body is equipped with a honeycomb structure body having partition walls that define a plurality of cells extending from a first end face as one of the end faces to a second end face as the other end face and serving as through channels of a fluid. The partition walls each have a base layer containing from 50 to 90 mass % of zeolite and a coat layer with which the surface of the base layer | 10-02-2014 |
Patent application number | Description | Published |
20100129698 | ELECTRODE CATALYST FOR FUEL CELL - An electrode catalyst for fuel cell, containing a multinuclear complex, in which the multinuclear complex contains 2 to 4 transition metal atoms coordinated with a ligand having 5 to 15 coordination atoms in its molecule; and an electrode catalyst for fuel cell, comprising a mononuclear metal complex containing, as a ligand, an organic compound containing two or more phenol rings and three or more aromatic heterocycles. | 05-27-2010 |
20110309304 | LUMINESCENT SILVER COMPLEX - An luminescent device material which is inexpensive and exhibits excellent durability in the presence of oxygen can be provided using a luminescent silver complex which has an organic multidentate ligand, particularly, a luminescent silver complex wherein the organic multidentate ligand is coordinated to a phosphorus atom, a nitrogen atom, an oxygen atom, a sulfur atom, an arsenic atom, an oxygen anion, a nitrogen anion, or a sulfur anion, or a polymer of the luminescent silver complex. | 12-22-2011 |
20120205641 | PHOTOVOLTAIC CELL - The present invention provides a photovoltaic cell having a large short-circuit current density and a large photoelectric conversion efficiency. | 08-16-2012 |
Patent application number | Description | Published |
20100034733 | CATALYST FOR DECOMPOSITION OF FORMIC ACID, METHOD FOR DECOMPOSING FORMIC ACID, PROCESS FOR PRODUCING HYDROGEN, APPARATUS FOR PRODUCING AND DECOMPOSING FORMIC ACID, AND METHOD FOR STORING AND GENERATING HYDROGEN - The present invention provides a catalyst for the decomposition of formic acid including a dinuclear metal complex represented by a formula (1) below, a tautomer or stereoisomer thereof, or any of their salts, | 02-11-2010 |
20120321550 | MONONUCLEAR METAL COMPLEX, HYDROGENATION REDUCTION CATALYST, DEHYDROGENATION CATALYST, METHOD FOR PRODUCING HYDROGENATION REDUCTION PRODUCT, METHOD FOR PRODUCING HYDROGEN (H2), AND METHOD FOR PRODUCING DEHYDROGENATION REACTION - The present invention provides: a mononuclear metal complex that has high catalytic activity and can be used as a hydrogenation reduction catalyst that allows efficient hydrogenation reduction of a substance to be reduced; a tautomer or stereoisomer thereof; or a salt thereof. Provided is the mononuclear metal complex represented by the following formula (1), a tautomer or stereoisomer thereof; or a salt thereof. | 12-20-2012 |
20140141346 | METHOD FOR PRODUCING HYDROGEN PEROXIDE, KIT FOR PRODUCING HYDROGEN PEROXIDE, AND FUEL BATTERY - The present invention provides a method and a kit for producing hydrogen peroxide, capable of producing hydrogen peroxide at low cost. The present invention further provides a fuel battery capable of utilizing hydrogen peroxide as a low-cost fuel. The method for producing hydrogen peroxide of the present invention includes a hydrogen peroxide generation step of irradiating a reaction system containing water, a water oxidation catalyst, a transition metal complex, and oxygen (O | 05-22-2014 |