Assignee: Kurita Water Industries Ltd.

Location: Tokyo, JP
No. of applications: 37

Application No.	Application Title	Issue Date
20120067380	CLEANING LIQUID, CLEANING METHOD, LIQUID GENERATING APPARATUS, EXPOSURE APPARATUS, AND DEVICE FABRICATING METHOD An exposure apparatus exposes a substrate through an exposure liquid with exposure light. A cleaning liquid is provided to the exposure apparatus, in order to clean at least part of the exposure apparatus. In the cleaning liquid, a prescribed gas of an amount that is gr...	03/22/2012
20120022192	INHIBITOR AND METHOD FOR PREVENTING SILICA-BASED SCALE Provided are a water-treating agent which includes a specific nonionic polymer and a phosphorus compound and can exhibit the ability to inhibit the deposition of silica-based scale under wide ranges of water quality conditions and temperature conditions; and a method of...	01/26/2012
20120012134	METHOD FOR CLEANING ELECTRONIC MATERIAL AND DEVICE FOR CLEANING ELECTRONIC MATERIAL A resist on an electronic material is surely separated and removed in a short time. The electronic material is cleaned with a sulfuric acid solution containing persulfuric acid to separate and clean the resist, and thereafter wet cleaning is performed with gas dissolved...	01/19/2012
20120006790	Apparatus and method for treating etching solution An apparatus and method for treating an etching solution, where the replacement frequency of the etching solution is reduced, while the inclusion of impurities in the treated etching solution is prevented. An apparatus for treating an etching solution in order to reuse ...	01/12/2012
20120006755	PROCESS FOR TREATMENT OF WATER CONTAINING AZOLE-TYPE ANTICORROSIVE FOR COPPER Provided is a process for efficiently removing an azole-type anticorrosive for copper from water containing the azole-type anticorrosive for copper, such as wastewater discharged from a CMP step in a fabrication process of a semiconductor device. Ferrous ions are added ...	01/12/2012
20110297614	SLIME-CONTROLLING AGENT FOR ACTIVATED CARBON, METHOD FOR PASSING WATER THROUGH ACTIVATED CARBON DEVICE, AND METHOD AND APPARATUS FOR TREATING ORGANIC-MATTER-CONTAINING WATER Disclosed is a treatment apparatus capable of inhibiting growth of microorganisms and carrying out long-term stable treatment in an activated carbon tower and a reverse osmosis membrane separation device during processes including activated carbon treatment and RO membr...	12/08/2011
20110210072	Pure Water Manufacturing Method And Pure Water Manufacturing Apparatus In production of ultrapure water by purifying primary pure water with a secondary pure water manufacturing apparatus and a tertiary pure water manufacturing apparatus, high-purity ultrapure water is produced, wherein generation of hydrogen peroxide is minimized and the ...	09/01/2011
20110203977	FILTRATION APPARATUS AND WATER TREATMENT APPARATUS The filtration apparatus of the invention includes a filtration member 12 which has a ribbon-like suspended-solid-capturing member for capturing suspended solid present in fed treatment water 1, wherein the filtration member is charged in a filtration tank...	08/25/2011
20110180491	METHOD AND APPARATUS FOR TREATING ORGANIC MATTER-CONTAINING WATER Raw water is made to pass through a raw water supply pipe 1 by opening on-off valves 1a and 5a, and by closing on-off valves 3a and 12a. Oxygen is supplied to the raw water in the raw water supply pipe 1<...	07/28/2011
20110042281	GAS-DISSOLVED WATER SUPPLY SYSTEM Provided is a gas-dissolved water supply system that can efficiently produce highly concentrated gas-dissolved water and can circulate and supply the water to a use point. To a storage tank 1, waste water (cleaning waste water) that is water containing dissolved gas (ox...	02/24/2011
20110011792	POLYMER FIBER MATERIAL, METHOD OF PRODUCING THE SAME, AND FILTER FOR FILTERING FLUID There is provided a hybrid polymer fiber material containing a non-electrolytic polymer and an electrolytic polymer and having properties and advantages of both polymers, and provided a method of producing the hybrid polymer fiber material, and provided a filter made of...	01/20/2011
20100330397	Microbial power generation device A microbial power generation device includes an anode chamber which maintains a microbe and which is supplied with influent which includes an electron donor, a cathode chamber supplied with an electron acceptor, a nonconductive membrane having a first face and an opposi...	12/30/2010
20100187103	Ion-permeable diaphragm An ion-permeable diaphragm comprises a membrane material containing a calcium phosphate compound or calcium fluoride as a hydrophilic inorganic material. The calcium phosphate compound is preferably fluoroapatite or hydroxyapatite. The membrane material is obtained by i...	07/29/2010
20100133180	Anaerobic treatment method and anaerobic treatment apparatus A method and apparatus of anaerobic treatment which makes it possible to prevent disintegration of granular sludge and perform high-load high-velocity anaerobic treatment stably even in the case where treatment is performed under conditions where the granular sludge is ...	06/03/2010
20100092827	DIRECT METHANOL FUEL CELL SYSTEM USING SOLID METHANOL, PORTABLE ELECTRONIC DEVICE USING SAME, AND FUEL CARTRIDGE FOR DIRECT METHANOL FUEL CELL SYSTEM A fuel cartridge has a pair of flat faces in which holes are formed. A net is stretched within the holes, and solid methanol is packed inside the fuel cartridge. A fuel cell unit, shaped as a flat box, comprises a pair of flat wall portions, a pair of long-side wall por...	04/15/2010
20100068596	Direct methanol fuel cell system and portable electronic device A direct methanol fuel cell system comprises a fuel storage portion that stores solid-state methanol resulting from making methanol into a solid state, a fuel cell, and carrier gas circulation means. The fuel storage portion is provided with a carrier gas supply path co...	03/18/2010
20100044311	METHOD AND APPARATUS FOR FURTHER PURIFYING ULTRAPURE WATER Disclosed are a method for further purifying ultrapure water, according to which any impurities in ultrapure water can be stably removed to a high degree within a small space over a prolonged period; and an apparatus therefor. Ultrapure water introduced into an ultrapur...	02/25/2010
20100032387	CLEANING AND STERILIZING METHOD FOR ULTRAPURE WATER MANUFACTURING SYSTEM In a method of cleaning and sterilizing an ultrapure water manufacturing system including an ultrapure water manufacturing apparatus, a point of use of ultrapure water, and an ultrapure water channel connecting the ultrapure water manufacturing apparatus and the point o...	02/11/2010
20100025329	METHOD FOR TREATMENT WITH REVERSE OSMOSIS MEMBRANE A method for treatment with a reverse osmosis membrane to reduce decrease in flux that occurs even under the conditions that water supplied to a reverse osmosis membrane treatment apparatus contains only a trace amount of iron and that the formation of scales of substan...	02/04/2010
20090277832	Method for biological disposal of organic wastewater and biological disposal apparatus A biological treatment method and device for organic wastewater, whereby the amount of minute organisms which reduce the amount of excess sludge and held within an activated sludge tank can be stabilized so that the treatment can be stabilized, are provided. Substrates ...	11/12/2009
20090095674	Method and eqipment for biological treatment of organic wastewater A method of biological treatment of organic wastewater includes a biological treatment step for introducing organic wastewater to a biological treatment tank and biologically treating the organic wastewater; and a solid-liquid separation step for separating biologically...	04/16/2009
20090032466	Agent for Increasing Rejection with a Permeable Membrane, Process for Increasing the Rejection, Permeable Membrane and Process for Water Treatment An agent for increasing the rejection with a permeable membrane which comprises an ionic macromolecule having a weight-average molecular weight of 100,000 or greater; a process for increasing the rejection with a permeable membrane which comprises treating a permeable m...	02/05/2009
20080251108	Sulfuric Acid Recycling Type Cleaning System and a Sulfuric Acid Recycling Type Persulfuric Acid Supply Apparatus If incorporated in a cleaning system using persulfuric acid, the invention serves for continuous cleaning while increasing the persulfuric acid concentration adequately to ensure enhanced cleaning performance. The invention provides a feeding apparatus that feeds persul...	10/16/2008
20080156710	Pure Water Producing Apparatus Provided is a pure water producing apparatus capable of preventing fluctuations in the amount of produced pure water without requiring a heat exchanger. Raw water is filtered with an activated carbon filtration device 1, sent through a water supply pump 2 for a r...	07/03/2008
20080156356	Cleaning liquid, cleaning method, liquid generating apparatus, exposure apparatus, and device fabricating method An exposure apparatus exposes a substrate through an exposure liquid with exposure light. A cleaning liquid is provided to the exposure apparatus, in order to clean at least part of the exposure apparatus. In the clearing liquid, a prescribed gas of an amount that is gr...	07/03/2008
20080044924	WATER QUALITY EVALUATION METHOD AND SUBSTRATE CONTACTING APPARATUS USED A water quality evaluation method capable of evaluating quality of water to be evaluated with high precision and a substrate contacting apparatus used in the water quality evaluation method are provided. The substrate contacting apparatus 10 has a sealing perform...	02/21/2008
20070251881	Method for treating water containing ammonium-nitrogen Raw water containing ammonium-nitrogen is introduced into a nitrification tank and nitrification of nitrite-nitrogen by nitrite oxidizing bacteria is inhibited according to inhibition of the ammonium-nitrogen, thereby conducting stable nitrification of nitrous acid type...	11/01/2007
20070059749	Nucleic acid, nucleic acid for detecting chlorinated ethylene-decomposing bacteria, probe, method of detecting chlorinated ethylene-decomposing bacteria, and method of decomposing chlorinated ethylene Chlorinated ethylene-decomposition bacteria is detected by performing PCR using nucleic acid comprising 18˜25 nucleotides that preferentially hybridizes to the 16S rRNA or rDNA of chlorinated ethylene-decomposing bacteria and has any of base sequences of SEQ ID No. 1˜...	03/15/2007
20070015680	Detergent for selectively permeable film and method for cleaning A detergent and a method for washing applicable to selectively permeable membranes are proposed, which can attain washing of selectively permeable membranes deteriorated in its membrane performance, such as the flux, in an efficient manner within a brief time at a highe...	01/18/2007
20060096864	Water purifying system The present invention provides a water purifying system capable of efficiently producing treated water containing boron at a low concentration. Water to be treated is first fed to the RO membrane apparatus 1 and the passed water is fed through the boron absorptiv...	05/11/2006
20060027457	Apparatus for electrodeionization and method for operating the same An electrodeionization apparatus and a method for operating the apparatus are provided. With this, concentration diffusion of boron from a concentrating chamber can be suppressed to obtain product water having a very low boron concentration. Raw water in introduced into...	02/09/2006
20060019820	Anion absorbent and production method thereof, and water treatment method An anion absorbent comprising sintered clay of porous structure and a rare earth compound supported on the sintered clay. The anion absorbent is produced by a production method of an anion absorbent comprising a mixing step of mixing clay with an additive for making the...	01/26/2006
20050242027	Method for treating water containing ammonium-nitrogen Raw water containing ammonium-nitrogen is introduced into a nitrification tank and nitrification of nitrite-nitrogen by nitrite oxidizing bacteria is inhibited according to inhibition of the ammonium-nitrogen, thereby conducting stable nitrification of nitrous acid type...	11/03/2005
20050205839	Method of producing remover and remover A powdery or slurry removing agent is solidified into grains having excellent handling property with maintaining its removing capability. A removing agent, a high polymer compound, and two or more kinds of solvents are mixed and a mixture thus obtained is dried. When th...	09/22/2005
20050189280	Coagulation-flocculation apparatus A coagulation-flocculation apparatus for conducting coagulation-flocculation treatment by adding a coagulant or flocculent to suspension such as sludge is capable of diffusing the flocculant into the suspension uniformly so as to exhibit flocculation function of the flo...	09/01/2005
20050156143	Oxygen scavenger and the method for oxygen reduction treatment Oxygen scavenger which can exhibit excellent oxygen reduction effect in a wide variety of conditions is provided as an alternative volatile oxygen scavenger to hydrazine. The oxygen scavenger contains a heterocyclic compound having N-substituted amino group such as 1-am...	07/21/2005
20050098436	Electrodeionization apparatus An electrodeionization apparatus in which enough electric current flows even when the voltage applied between the electrodes is low, thereby sufficiently performing deionization is provided. A single first cation exchange membrane 3, a single anion exchange membr...	05/12/2005

PatentStorm

Bizarre Patents

PatentStorm News

Assignee: Kurita Water Industries Ltd.