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| Number | Title | Issue Date |
| 7431755 | Dust-collecting electrode and dust collector A dust-collecting electrode where at least one unit electrode between the unit electrodes facing each other includes: a ceramic dielectric body, a surface conductor disposed so as to cover at least a part of the surface of the ceramic dielectric body on the side whe... | 10/07/2008 |
| 7316734 | Volatile organic compound treatment apparatus A volatile organic compound treatment apparatus including an adsorber coming into contact with a gas to be treated and adsorbing volatile organic compounds; a plurality of pairs of electrodes, divided into a plurality of groups, which generate electric discharge so ... | 01/08/2008 |
| 7294176 | Surface discharge type air cleaning device A surface discharge air cleaning device includes an insulating dielectric body, a discharge electrode formed at the upper surface of the insulating dielectric body, and a ground electrode formed at the lower surface of the insulating dielectric body, the discharge e... | 11/13/2007 |
| 7279028 | Electrostatic filter An electrostatic filter having an improved dielectric is described. The dielectric constitutes a dielectric mat formed from high porosity non-woven fibers having pores that have a void fraction of at least 97%. The dielectric mat is sandwiched by a pair of porous el... | 10/09/2007 |
| 7261767 | Air purifier Disclosed is an air purifier having a small size so as to be easily mounted to various home appliances, and preventing ozone which is harmful to a human body from being generated, the air purifier including an insulating dielectric including a solid; a discharge ele... | 08/28/2007 |
| 7258730 | Air purifier Disclosed is an air purifier with a small size, having an excellent air purifying capacity, capable of preventing a large amount of ozone from being generated, the ozone harmful to a human body. The air purifier includes a case, a pair of discharge electrodes provid... | 08/21/2007 |
| 7247722 | Polysaccharide aldehydes prepared by oxidation method and used as strength additives in papermaking Polysaccharide aldehydes are prepared using selective oxidation involving the use of nitroxyl radical mediated aqueous oxidation with a limited amount of oxidant and defined reaction conditions. These polysaccharide aldehyde derivatives having maximum effective alde... | 07/24/2007 |
| 7160365 | Ion generating apparatus, air conditioning apparatus, and charging apparatus An ion generating apparatus is built by sandwiching a dielectric layer between an induction electrode and a discharge electrode. The induction electrode is formed of a metal substrate of, for example, aluminum. Even when the apparatus is made larger, it offers impro... | 01/09/2007 |
| 7121276 | Personal oxygen concentrator An oxygen separator for separating oxygen from ambient air utilizing a vacuum swing adsorption process has a mass of less than 2.3 kg. A carrier is mountable on a person to support the oxygen separator for ambulatory use. ... | 10/17/2006 |
| 7097702 | Acidic mono azo dyestuffs Disclosed are novel dyestuff for printing recording materials, especially textile fiber materials, paper and papery substrates and plastic films and plastic transparencies by the inkjet printing process of the formula (I) wherein all substituents are defined in the ... | 08/29/2006 |
| 7078497 | Disazo dyes, and copper complexes thereof, for dyeing paper The dyes of formula (1) according to claim 1 and the copper complexes of dyes of formula (2) according to claim 9 or the mixtures of mono-copper complex with the bis-copper complex are excellently suitable for dyeing paper with good light-fastness prop... | 07/18/2006 |
| 7071231 | Naphthalene ureas as glucose uptake enhancers Compounds of formula I are useful for treating conditions associated with hyperglycemia, especially Type II diabetes. These compounds are useful in stimulating the kinase activity of the insulin receptor, activating the insulin receptor, and stimulating the uptake o... | 07/04/2006 |
| 7045211 | Crimped thermoplastic multicomponent fiber and fiber webs and method of making The present invention provides a crimped multicomponent fiber containing at least two polymer components arranged in a crimpable configuration in distinct zones or segments across the cross-section of the fiber wherein one component comprises a dielectrically suscep... | 05/16/2006 |
| 7014688 | Air cleaning device A particle precipitation device for removing particles entrained in a gas stream includes an array of passages through which a gas stream can be directed relatively freely. The passages are provided between plastics walls adapted to create an electrical field within... | 03/21/2006 |
| 6956037 | Benzamide derivatives for the treatment of diseases mediated by cytokines The invention concerns amide derivatives of Formula (I), wherein R3 is (1-6C)alkyl or halogeno; m is 1-3 and R1 is selected from substituents such as: (A) hydroxy, halogeno, (1-6C)alkyl, (1-6C)alkoxy, aryl, heteroaryl and heterocyclyl; and (B) ... | 10/18/2005 |
| 6923835 | Bis-para-phenylenediamine derivatives comprising a pyrrolidyl group and use of these derivatives for dyeing keratin fibres The invention relates to novel bis-para-phenylenediamine derivatives containing a pyrrolidyl group substituted with a cationic radical, to dye compositions containing them and to the process of dyeing keratin fibres using these compositions. The present inven... | 08/02/2005 |
| 6919698 | Electrostatic fluid accelerator for and method of controlling a fluid flow An electrostatic fluid accelerator includes a first number of corona electrodes and a second number of accelerating electrodes spaced apart from and parallel to adjacent ones of the corona electrodes. An electrical power source is connected to supply the corona and ... | 07/19/2005 |
| 6749669 | Air cleaning device A particle precipitation device for removing particles entrained in a gas stream includes an array of passages (10) through which a gas stream can be directed relatively freely. The passages are provided between plastics walls adapted to create an electrical ... | 06/15/2004 |
| 6632267 | Method and device for separating materials in the form of particles and/or drops from a gas flow The invention relates to a method and device for separating materials in the form of particles and/or drops from a gas flow, in which method the gas flow is directed through a collection chamber the outer walls of which are grounded, and in which high ten... | 10/14/2003 |
| 6540804 | Air cleaner An air cleaner includes a fan unit (1; 1') and a filter unit (3) that is entirely replaceable, where the fan unit (1; 1') and the filter unit (3) are mutually connected by a quick coupling and the filter unit includes a filter and an exterior casing that ... | 04/01/2003 |
| 6482253 | Powder charging apparatus This invention relates to an apparatus and method to electrostatically charge or neutralize particles conveyed in a pneumatic stream. More particularly the invention is drawn to an apparatus that has at least two longitudinal chambers separated from each ... | 11/19/2002 |
| 6409806 | Fluorinated electret An electret is described that includes a surface modified polymeric article having surface fluorination produced by fluorinating the polymeric article.... | 06/25/2002 |
| 5846302 | Electrostatic air filter device A self-contained electrostatic air filter assembly having two hinged rectangular frames into which is disposed rectangular polyester/wool filter dielectrics with a conducting charging screen in between. The polyester/wool dielectrics are charged through t... | 12/08/1998 |
| 5807425 | Electrofilter A filter apparatus of the present invention includes a filter housing having an inlet and an outlet and a filter device locatable therebetween. The filter device includes a filter medium, an electrically conductive screen or mesh, and a conductor for supp... | 09/15/1998 |
| 5741352 | Air cleaner An attractive portable air cleaner effectively purifies air in a room or office for added comfort and a healthier environment. Instead of using expensive custom-made filters, the air cleaner uses regular toilet paper or paper towels for customer convenien... | 04/21/1998 |
| 5610455 | Electret containing syndiotactic vinyl aromatic polymer Electrets are disclosed comprising syndiotactic vinyl aromatic polymer, for example syndiotactic polystyrene. These electrets have good charge retention at elevated temperature.... | 03/11/1997 |
| 5597645 | Nonwoven filter media for gas The present invention provides a filter medium, which contains an electretized nonwoven web of crimped fibers selected from the group consisting of spunbond filaments and staple fibers, wherein the nonwoven web has a Frazier permeability equal to or great... | 01/28/1997 |
| 5582632 | Corona-assisted electrostatic filtration apparatus and method A corona-assisted electrostatic filtration apparatus which includes a cathode, an anode filter element, and a means of establishing a nonalternating potential difference between the cathode and the anode which is sufficient to maintain a corona field of i... | 12/10/1996 |
| 5540761 | Filter for particulate materials in gaseous fluids A clog-resistant filter for extracting fine particulate contaminants, such as smoke, from a gaseous fluid stream, such as air, uses interaction between Van der Waals forces and a non-ionizing electrostatic field to efficiently capture the contaminant part... | 07/30/1996 |
| 5476539 | Gas purifying apparatus A low-profile gas purifying apparatus includes a plurality of conductive plates each having a serrated portion at the periphery thereof. The plates are disposed opposite a flat electrode which is coated with a dielectric layer and are separated from the f... | 12/19/1995 |
| 5474599 | Apparatus for electrostatically cleaning particulates from air An electrostatic air cleaner is disclosed for use in removing particulate matter from moving streams of air. A high voltage ionizer is used as a corona source to ionize the particulate matter as it approaches the air filter portion of the electrostatic ai... | 12/12/1995 |
| 5474600 | Apparatus for biological purification and filtration of air The invention relates to apparatus for biological purification and filtration of air. The apparatus includes a coarse filter (1), an ionizer (5), an additional plate (9) and a fine filter (10), which are installed in this order along the path of the gas f... | 12/12/1995 |
| 5436054 | Electret Filter An electret filter formed by laminating a plurality of network electret film-split fiber fleeces having a different mesh size. It exhibits a high collecting efficiency with a very small pressure loss and without any appreciable fiber dropping, or any chan... | 07/25/1995 |
| 5409766 | Nonwoven fabric in an electret state and process for its production The improved nonwoven fabric in an electret state is composed of monofilaments with an average fiber diameter of 0.5-100 μm that are formed of a polymer composition containing no more than 1 mol % of polar groups; the fabric has a weight of 5-100 g/m | 04/25/1995 |
| 5403383 | Safe ionizing field electrically enhanced filter and process for safely ionizing a field of an electrically enhanced filter An electrostatically stimulated air filter and process, contemplates a housing having an fluid intake and a fluid exhaust; a upstream electrode, disposed downstream of the fluid intake, for carrying a ground potential; a filter, disposed downstream of the... | 04/04/1995 |
| 5368635 | Filter for particulate materials in gaseous fluids A non-ionizing, clog-resistant filter for extracting fine particulate contaminants such as smoke from a gaseous fluid stream such as air uses interaction between Van der Waals forces and a non-ionizing electrostatic field to efficiently capture the contam... | 11/29/1994 |
| 5330559 | Method and apparatus for electrostatically cleaning particulates from air An electrostatic air cleaner is disclosed along with a method for removing particulate matter from moving streams of air. A high voltage ionizer is used as a corona source to ionize the particulate matter as it approaches the air filter portion of the ele... | 07/19/1994 |
| 5290343 | Electrostatic precipitator machine for charging dust particles contained in air and capturing dust particles with coulomb force A first recess for detachably mounting an ionizer therethrough is formed to oppose a dust-collecting air suction side of a precipitator machine body. The ionizer includes an ionizing wire unit having an ionizing wire, and a counterelectrode plate, which c... | 03/01/1994 |
| 5188646 | Adjustable air filter An adjustable air filter for use in heating, ventilating, cooling, and forced air systems. The air filter includes a media for filtering air and adapted to be cut with scissors, and a frame embracing the peripheral edges of the media. The frame includes a... | 02/23/1993 |
| 5181883 | Smoker's booth A smoker's booth for isolating, containing, venting, and filtering tobacco smoke. The booth has a walled enclosure with a smoker's access aperture. The presence of a smoker is detected, thereby activating the venting, filtering, and lighting mechanisms. T... | 01/26/1993 |
