| Patent Number |
Title Of Patent |
Date Issued |
| 7425583 |
Ion exchanger |
September 16, 2008 |
| A porous ion exchanger includes an open cell structure including interconnected macropores and mesopores whose average diameter is in a range of 1 to 1000 .mu.m existing on walls of the macropores. Moreover, a total pore volume is in a range of 1 to 50 ml/g, ion exchange groups are u |
| 7393445 |
Ion exchanger |
July 1, 2008 |
| A porous ion exchanger includes an open cell structure including interconnected macropores and mesopores whose average diameter is in a range of 1 to 1000 .mu.m existing on walls of the macropores. Moreover, a total pore volume is in a range of 1 to 50 ml/g, ion exchange groups are u |
| 7357871 |
Method for evaluating cation-exchange resin and method for controlling water treatment system us |
April 15, 2008 |
| A method for a cation-exchange resin wherein a strongly acidic cation-exchange resin is contacted with an aqueous eluting solution and the polystyrenesulfonic acid being eluted from this resin is measured, which comprises setting a plurality of molecular weight ranges in the molecula |
| 7326349 |
Method and apparatus for purifying alcoholic liquors |
February 5, 2008 |
| After passing alcoholic liquors 20 through an HSO.sub.3 type strongly basic anion exchange resin layer 14, or after adding an HSO.sub.3 salt to alcoholic liquors; the alcoholic liquors are passed through a mixed bed layer 18 containing of an H type strongly acidic cation exchange resin |
| 7294265 |
Ion adsorption module and method for water treatment |
November 13, 2007 |
| An ion adsorption module comprises a container with at least an opening into which feed water flows, and an organic porous ion exchange material having a three-dimensional reticular structure filled into the container, which has a continuous pore structure comprising macropores and m |
| 7201932 |
Method for producing meat products and processed meat products coated with curdlan gel film |
April 10, 2007 |
| A meat product or a processed meat product coated with a film of curdlan gel is prepared. |
| 7201832 |
Electrodeionization deionized water producing apparatus |
April 10, 2007 |
| In the electrodeionization deionized water producing apparatus, water is passed through a deionizing chamber(s) packed with an organic porous ion exchange material having a three-dimensional network structure to remove ionic impurities in the water, thereby producing deionized water. At |
| 7173066 |
Ion exchanger |
February 6, 2007 |
| A porous ion exchanger includes an open cell structure including interconnected macropores and mesopores whose average diameter is in a range of 1 to 1000 .mu.m existing on walls of the macropores. Moreover, a total pore volume is in a range of 1 to 50 ml/g, ion exchange groups are u |
| 7154274 |
High-sensitivity measuring instrument and method of using the instrument to measure a characteri |
December 26, 2006 |
| A high-sensitivity measuring instrument comprising at least two sensors for detecting the same characteristics by touching a substance being measured with a specified time difference, wherein the between detection signals taken out simultaneously from respective sensors is determined, |
| 7119164 |
Method for preparing sulfonated organic porous material |
October 10, 2006 |
| A sulfonated organic porous material in which at least 0.5 mg-equivalent/g (on a dry basis) of sulfonic acid groups has been introduced can be obtained by causing a gaseous substance containing sulfuric anhydride to come in contact with an organic porous material having mesopores existin |
| 7105095 |
Method and apparatus for controlling concentration of water treatment chemicals |
September 12, 2006 |
| A water-soluble lithium salt is added as a tracer substance along with a water treatment chemical to water to be treated. The concentration of lithium ions is electrochemically or optically measured using a lithium ion sensitive substance, so as to perform concentration control of the |
| 7094349 |
Organic porous article having selective adsorption ability for boron, and boron removing module |
August 22, 2006 |
| An organic porous material having selective adsorption ability for boron, characterized in that it has an open cell structure comprising macro pores jointed to one another and, formed within the wall of the macro pore, meso pores having a pore diameter of 0.02 to 200 .mu.m, has a total |
| 7078441 |
Organic porous material, process for manufacturing the same, and organic porous ion exchanger |
July 18, 2006 |
| An organic porous material having a continuous pore structure, which comprises interconnected macropores and mesopores with a radius of 0.01 to 100 .mu.m in the walls of the macropores, having a total pore volume of 1 to 50 ml/g and having pore distribution curve characteristics wher |
| 7077915 |
Method of and apparatus for washing photomask and washing solution for photomask |
July 18, 2006 |
| Organic matter and metal impurities present on the surface of a photomask are removed. Foreign matter still adhering to the surface of the photomask is removed with H.sub.2 gas dissolved water. The photomask is dried. Thus provided is a method of washing a photomask in a manner which |
| 7033472 |
Electrodeionization water producing apparatus and method of producing deionized water using same |
April 25, 2006 |
| The electrodeionization water producing apparatus comprising a depletion chamber packed with an ion exchange material, the depletion chamber being partitioned by a cation exchange membrane on one side and an anion exchange membrane on the other side, and concentrate chambers installed |
| 7026364 |
Ion exchanger |
April 11, 2006 |
| A porous ion exchanger includes an open cell structure including interconnected macropores and mesopores whose average diameter is in a range of 1 to 1000 .mu.m existing on walls of the macropores. Moreover, a total pore volume is in a range of 1 to 50 ml/g, ion exchange groups are u |
| 6884344 |
Hydrogen-dissolved water production apparatus |
April 26, 2005 |
| A degassing device (10), a hydrogen dissolving device (12), and a palladium catalyst column (17) are provided in that order downstream of a high-purity water production device (1), and an impurity removal device (19) is connected to the exit side of treated water of the palladium cat |
| 6841580 |
Organic porous material, process for manufacturing the same, and organic porous ion exchanger |
January 11, 2005 |
| An organic porous material having a continuous pore structure, which comprises interconnected macropores and mesopores with a radius of 0.01 to 100 .mu.m in the walls of the macropores, having a total pore volume of 1 to 50 ml/g and having pore distribution curve characteristics wherein |
| 6829319 |
Condensate demineralization |
December 7, 2004 |
| In a demineralization apparatus, a mixed bed of a gel type cation exchange resin having a moisture holding capacity of 41% or less or a degree of crosslinkage of 12% or greater is employed along with a porous type anion exchange resin. As a result, oxidation degradation of the cation exc |
| 6810100 |
Method for treating power plant heater drain water |
October 26, 2004 |
| Oxygen is mixed with heater drain water of power plant which contains fine particles of iron oxides such that the concentration of the dissolved oxygen in the heater drain water after the mixing of oxygen is in a range from 1 .mu.g/liter to 20 .mu.g/liter. The obtained heater drain water |
| 6702874 |
Gas separation apparatus and gas separation method |
March 9, 2004 |
| Using a distillation separator, a gas to be treated is separated into a plurality of gas groups having different boiling points. Then, the specific gases included in each of the plurality of gas groups separated at the first separator and having similar boiling points are separated u |
| 6690172 |
Multiple electric conductivity measuring apparatus |
February 10, 2004 |
| A multiple electric conductivity measuring apparatus having at least two electric conductivity measuring cells each having at least two electrodes brought into contact with a substance to be measured, wherein the electric conductivity measuring cells are so connected electrically that th |
| 6650127 |
Apparatus for measuring conductivity |
November 18, 2003 |
| An apparatus for measuring electric conductivity having three electrodes brought into contact with a substance to be measured. The electrodes include a detection electrode for detecting electric conductivity of the substance to be measured, and two AC current supply electrodes disposed o |
| 6646443 |
Ion concentration meter |
November 11, 2003 |
| Two conductivity measuring cells each having at least two electrodes are arranged in series in a flow path of a sample to be measured so that the sample may make contact with the cells in sequence. A difference conductivity meter produces the difference between the signals themselves |
| 6609564 |
Reductive heat exchange water and heat exchange system using such water |
August 26, 2003 |
| A heat exchange cooling system for cooling an object of heat exchange such as machinery, air, or liquid is provided. The system includes a heat exchanger, a cooling water supply device, cooling water circulation piping, a flow rate adjustment valve, a cooling water supply system, and a |
| 6603320 |
Electric conductometer, electrode for measuring electric conductivity, and method for producing |
August 5, 2003 |
| An electric conductometer comprising at least two electric conductivity measuring electrodes each body of which is made from a conductive metal and each surface of which is formed by a titanium oxide layer as an electrode surface, a space for storing a substance to be measured formed |
| 6551387 |
Gas separation apparatus |
April 22, 2003 |
| A discharge gas containing PFC gas including CF.sub.4 and NF.sub.3 generated from a manufacturing process (10) is adsorbed at an adsorbing device (18) and then desorbed using nitrogen as a purge gas. A desorbed gas with CF.sub.4 and NF.sub.3 concentrated can be obtained in this manne |
| 6530980 |
Gas separation apparatus |
March 11, 2003 |
| A discharge gas containing PFC gas including CF.sub.4 and NF.sub.3 generated from a manufacturing process (10) is concentrated at a concentrator (18) and then chromatographically separated at a chromatographic separator (20) with nitrogen as a carrier gas. In this manner, CF.sub.4 an |
| 6524997 |
Photocatalyst-bearing material and method of producing the same |
February 25, 2003 |
| A carrier (A) of thermoplastic polymer is mixed and contacted with photocatalytic particles (B) preferably in a rotary heating drum to fusion-bond the particles (B) to surface portions of the carrier (A) in such a manner that multiple particles (B) are stacked in directions perpendic |
| 6509305 |
Method for preparing cleaning solution |
January 21, 2003 |
| Deionized water from a deionized water source (21) for electrolysis is supplied by a pressurizing pump (20) to an electrolyzer (2) to obtain a hydrogen gas and ozone gas by means of electrolysis. The pressures of these gasses are maintained at not less than the atmospheric pressure. |
| 6508939 |
Mixed bed type sugar solution refining system and regeneration method for such apparatus |
January 21, 2003 |
| By passing an alkali regenerating agent A through a basic anion exchange resin (3), and through a strongly acidic cation exchange resin (4), the basic anion exchange resin can be regenerated while amphoteric organic materials such as the amino acids captured at the strongly acidic cation |
| 6500342 |
Chromatographic separator |
December 31, 2002 |
| A chromatographic separator allows a feed liquid material consisting of two or more than two components and a liquid eluent to circulate within an endless circular path 16, wherein columns 14 are coupled to one another, to separate the feed liquid material into two components. The select |
| 6494223 |
Wet cleaning apparatus utilizing ultra-pure water rinse liquid with hydrogen gas |
December 17, 2002 |
| A wet cleaning apparatus can remove trace heavy metals, colloidal matter or other impurities contained in ultra-pure water to be used as rinse water in semiconductor cleaning processes and suppress deposit of trace impurities such as heavy metals or other particles that would otherwise |
| 6488847 |
Process and equipment for recovering developer from photoresist development waste and reusing it |
December 3, 2002 |
| A tetraalkylammonium hydroxide (TAAH) solution recovered from a development waste through separation therefrom of impurities such as photoresist is mixed with a surface-active substance to have the surface tension thereof adjusted to a desired one, and then reused as a rejuvenated develo |
| 6471859 |
Intermittent moving layer type chromatographic separation device |
October 29, 2002 |
| The rotary member (12) of the rotary valve (10) includes columns (separation vessels) (14) coupled to each other to form an endless circular path (16) and rotates to separate components A and C from a feed liquid material containing two or more components. A concentration sensor (17) |
| 6461410 |
Method and apparatus for separating, removing, and recovering gas components |
October 8, 2002 |
| A raw gas containing a gas component A with low affinity with an adsorbent and a gas component C with high affinity with the adsorbent are sequentially supplied to at least three adsorption columns, while a desorption gas containing a gas component D which differs from the gas compon |
| 6436264 |
Apparatus for electrically producing deionized water |
August 20, 2002 |
| A cation exchange membrane (11) and an anion exchange membrane (12) are alternately arranged between an anode (20) and a cathode (19). A desalination chamber (14) and a concentrating chamber (15) are alternately formed between both the exchange membranes (11), (12). Then, the desalin |
| 6428698 |
Coagulation precipitator |
August 6, 2002 |
| A coagulator for receiving water bearing suspended solids and a coagulant and for coagulating the suspended solids includes a coagulation and sedimentation part and an upstream coagulation part. The coagulation and sedimentation part includes a second packing medium accumulation layer |
| 6409922 |
Chromatographic separation process and chromatographic separator |
June 25, 2002 |
| In chromatographic separation in a plurality of steps with a chromatographic separator packed with an ion exchanger used as at least part of chromatographic packing, at least part of the ionic form of at least part of the ion exchanger is changed to an ionic form fit for separation o |
| 6362240 |
Mixed-bed type sugar solution refining system and regeneration method for such apparatus |
March 26, 2002 |
| By passing an alkali regenerating agent A through a basic anion exchange resin (3), and through a strongly acidic cation exchange resin (4), the basic anion exchange resin can be regenerated while amphoteric organic materials such as the amino acids captured at the strongly acidic cation |
| 6350376 |
Reductive heat exchange water and heat exchange system using such water |
February 26, 2002 |
| Heat exchange water for cooling an object of heat exchange such as machinery, air, or liquid, which serves to prevent oxidation and deterioration of metal materials used in pipes for supplying/circulating the heat exchange water or in the liquid ends of the heat exchanger, to suppres |
| 6331250 |
Method and equipment for chromatographic separation |
December 18, 2001 |
| At least 2 different packings differing in the resolution of components contained in a starting fluid material such as a starting solution material and desired to be separated are used in a coexistent state to adjust the resolution of the components. The starting fluid material is fl |
| 6328895 |
Chromatographic separation process |
December 11, 2001 |
| In separation of 3 components A, B and C having a C>B>A relation in respect of affinity for packing with a chromatographic separator comprising a circulation system formed by linking packing bed units 1 to 4 in endless series, the following Operations <2>.fwdarw.<4> |
| 6325359 |
Device and method for producing gas solution and cleaning device |
December 4, 2001 |
| A gas solution producing device having a simple structure to reduce a start-up time, and capable of reducing an amount of gas or solution for use, and a method therefor, as well as a cleaning device employing them. An ozone water solution producing device of the present invention include |
| 6303037 |
Reverse osmosis process and equipment |
October 16, 2001 |
| A reverse osmosis treatment of feed water containing at least silica and hardness ions for separating the feed water into permeate water and concentrate is effected while maintaining the pH of the concentrate at a level of at most 6. According to the foregoing process, silica can be |
| 6290842 |
Coagulator |
September 18, 2001 |
| A front packing medium accumulation layer (90) and a downstream packing medium accumulation layer (44) which are separated by a lower outflow prevention plate (40) are arranged within a coagulation tank (80). The superficial water passage velocity within the front packing medium accu |
| 6277205 |
Method and apparatus for cleaning photomask |
August 21, 2001 |
| To provide a photomask cleaning method which brings about a high effect of removing residual sulfuric acid or foreign objects and can remove foreign objects effectively without fluctuating the transmission or other properties of the light-shielding layer (MoSiON film) in a phase shift |
| 6274019 |
Electrodeionization apparatus |
August 14, 2001 |
| Water to be treated (feed water) flows through a series of desalination chambers filled with ion exchange resins on which impurity ions in the feed water are removed. Each desalination chamber consists of a cation-permeable membrane on one side with an anion-permeable membrane on the |
| 6274018 |
Electrodeionization apparatus comprising sub-desalination chambers |
August 14, 2001 |
| Two sub-desalination chambers d.sub.1 and d.sub.2 are defined by a cation exchange membrane 3 on one side, an anion exchange membrane 4 on the other side, and an intermediate ion exchange membrane 5 in between and are filled with ion exchange materials 8 to construct a desalination chamb |
| 6248226 |
Process for producing deionized water by electrodeionization technique |
June 19, 2001 |
| In producing deionized water by electrodeionization according to the present invention, feed water and concentrating water are flowed into the ion depletion compartments and the concentration compartments, respectively, in such a way that the current direction of feed water being fed |
