Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 8105426 | Canisters The present invention includes a canister having a housing for receiving therein an adsorption material and a heat storage material. The adsorption material can adsorb a fuel vapor. The heat storage material can absorb and dissipate a heat in response to change in t... | 01/31/2012 |
| 7875106 | Adsorbent and adsorbent bed for materials capture and separation processes A method device and material for performing adsorption wherein a fluid mixture is passed through a channel in a structured adsorbent bed having a solid adsorbent comprised of adsorbent particles having a general diameter less than 100 um, loaded in a porous support ... | 01/25/2011 |
| 7833327 | Thermal insulator An adsorbent capable of adsorbing gas low in activity such as nitrogen is used, and a thermal insulator high in production efficiency and excellent in adiabatic performance is presented. A thermal insulator has an adsorbent, a core material, and an enveloping member... | 11/16/2010 |
| 7785407 | Evaporated fuel gas adsorbent, evaporated fuel gas trapping apparatus, active carbon and process for producing the same The present invention provides an evaporated fuel gas adsorbent, an evaporated fuel gas trapping apparatus that uses the adsorbent, an activated carbon, and a process for producing the activated carbon. The evaporated fuel gas adsorbent is capable of improving adsor... | 08/31/2010 |
| 7767007 | Mercury adsorbents compatible as cement additives Solid adsorbents, following their use for mercury removal from flue gas, that do not interfere with the ability of air-entraining additives (such as surfactants) to form stable bubbles when added to fly ash containing the adsorbents. The interference is overcome by ... | 08/03/2010 |
| 7708817 | Hydrocarbon emission scavenger A hydrocarbon adsorber and a thermoplastic resin combined and formed to a porous scavenger for insertion into the air intake system of a motor vehicle engine. The resulting porous scavenger adsorbs volatile hydrocarbon molecules from raw fuel remaining in the air in... | 05/04/2010 |
| 7678182 | Material and process for the filtration of nitric acid and NOfrom streams of air A material for filtering NO2 and nitric acid vapors from air over a wide range of humidities and temperatures including a porous hydrophobic substrate and an amine is provided. ... | 03/16/2010 |
| 7585359 | Air filtration media comprising metal-doped silicon-based gel and/or zeolite materials treated with nitric acid and/or potassium persulfate A filtration system including a novel combination of at least one metal-doped silica-based gel and zeolite materials to trap and/or modify, and remove undesirable gases (such as ammonia, ethylene oxide, formaldehyde, and nitrous oxide, as examples) from an enclosed ... | 09/08/2009 |
| 7563311 | Activated carbon for odor control An activated carbon-metal oxide matrix is disclosed. The activated carbon-metal oxide matrix may be obtained by a method including the steps of: preoxidizing a carbon material, grinding the preoxidized carbon material; mixing the ground preoxidized material with a m... | 07/21/2009 |
| 7559981 | Air filtration media comprising oxidizing agent-treated metal-doped silicon-based gel and zeolite materials An environmental control for use in air handling systems that are required to provide highly effective filtration of noxious gases is provided. In one embodiment, a filtration system utilizes a novel combination of at least one metal-doped silica-based gel and zeoli... | 07/14/2009 |
| 7527677 | Carbon dioxide adsorption apparatus and adsorption element and method for manufacture thereof A carbon dioxide adsorption element rapidly adsorbs a large amount of carbon dioxide, and regenerates amine groups for carbon dioxide adsorption rapidly and uniformly with high-temperature air. The carbon dioxide adsorption element 110 for adsorbing carbon di... | 05/05/2009 |
| 7510602 | Air filtration media comprising oxidizing agent-treated metal-doped silicon-based gel and zeolite materials An environmental control for use in air handling systems that are required to provide highly effective filtration of noxious gases is provided. In one embodiment, a filtration system utilizes a novel combination of at least one metal-doped silica-based gel and zeoli... | 03/31/2009 |
| 7431901 | Apparatus and method for deodorizing confined air spaces which utilize baking soda Apparatus and methods for removing malodor from the air, particularly from confined spaces are disclosed. Such devices and methods are useful for example for storing and preserving food in closed compartments such as refrigerators. The apparatus and methods utilize ... | 10/07/2008 |
| 7419526 | Conformal filter cartridges and methods Conformal filter cartridges, filtering apparatus using the conformal filter cartridges, and methods of manufacturing the conformal filter cartridges are disclosed. The conformal filter cartridges may include a bed of filter material between a pair of support plates,... | 09/02/2008 |
| 7402198 | Carbon dioxide adsorption-desorption material and adsorption-desorption apparatus An adsorption-desorption material having a high carbon dioxide adsorption-desorption capability, a low pressure loss, a high thermal diffusion efficiency, and high resistance to repeated stresses, e.g., expansion and shrinkage, as well as an adsorption-desorption ap... | 07/22/2008 |
| 7396392 | Installation for treating at least one fluid and use thereof for the separation of at least one constituent of a gas mixture An apparatus and method of use for treating at least one fluid, in a container that holds at least one mass of a particulate material between two perforated walls. Near the upper part of the mass, at least one deflector extends from the first wall towards the second... | 07/08/2008 |
| 7377963 | Adsorption filter and manufacturing method thereof An adsorption filter includes at least one thin plate honeycomb filtering medium carrying a gas-adsorbing medium thereon and a filter case housing the honeycomb filtering medium therein. The thin plate honeycomb filtering medium is disposed in the filter case in suc... | 05/27/2008 |
| 7377965 | Air filtration media comprising metal-doped silicon-based gel materials The present invention relates generally to an environmental control unit for use in air handling systems that provides highly effective filtration of noxious gases (such as ammonia). Such a filtration system utilizes novel metal-doped silica-based gels to trap and r... | 05/27/2008 |
| 7367997 | Electronic enclosure filter for very small spaces The present invention is directed to an improved electronic enclosure filter for very small spaces, such as small disk drives. The filter includes an exposed electrostatic layer that functions to catch and retain particulate contamination within the filter. The filt... | 05/06/2008 |
| 7341618 | Filters and methods of making and using the same Filters for removing particulate and gaseous organic and inorganic materials from a fluid stream are disclosed. The filter may contain a polymer matrix and optional sequestering agents. Methods of making the filters are also disclosed. Methods of using the filters t... | 03/11/2008 |
| 7323041 | Gas storage canister A gas storage canister for use in an automotive vehicle, includes a case having first and second end sections which are opposite to each other in a direction of flow of gas. The first end section has a gas inflow port and a gas outflow port. The second end section h... | 01/29/2008 |
| 7320723 | Exhaust gas filter and filtering system An exhaust gas filter cartridge which is suitable for use in a muffler such as to form an exhaust gas filtering system is disclosed. The filter cartridge preferably includes a first porous longitudinal wall and a second porous longitudinal wall, both porous longitud... | 01/22/2008 |
| 7318859 | Modular adsorbent filters A compact sorbent filter for selectively sorbing contaminants and method of removing contamination from an enclosure with a filter is disclosed. Filters of the present invention comprise two or more modular adsorbent units that can be foldably connected and possibly... | 01/15/2008 |
| 7316323 | Filters having improved permeability and virus removal capabilities A filter block having a permeability of greater than about 3.0*10−9 cm2, and a F-VLR of greater than about 99% is provided. The filter block may be made of filter particles having a median particle size of less than about 50 microns and havin... | 01/08/2008 |
| 7314506 | Fluid purification system with low temperature purifier A system and method for processing a matrix fluid to remove one or more impurities (such as moisture from a process gas). The purifier includes a pre-cooler that receives the matrix fluid and cools the matrix fluid to a second, lower temperature. A container is prov... | 01/01/2008 |
| 7314497 | Filter medium and structure Thermoplastic bicomponent binder fiber can be combined with other media, fibers and other filtration components to form a thermally bonded filtration media. The filtration media can be used in filter units. Such filter units can be placed in the stream of a mobile f... | 01/01/2008 |
| 7311757 | Analyte pre-concentrator for gas chromatography An analyte pre-concentrator for gas chromatography is disclosed generally comprising a tube having a restricted outlet and packed with an adsorbent, wherein the tube serves as the liner of a chromatographic injector, as an adsorbent trap coupled to a chromatographic... | 12/25/2007 |
| 7309372 | Filter medium and structure Thermoplastic bicomponent binder fiber can be combined with other media, fibers and other filtration components to form a thermally bonded filtration media. The filtration media can be used in filter units. Such filter units can be placed in the stream of a mobile f... | 12/18/2007 |
| 7303683 | Microorganism-removing filter medium having high isoelectric material and low melt index binder A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material having an isoelectric point greater than the fluid being filtered. A lo... | 12/04/2007 |
| 7300500 | Adsorbent-formed object and an adsorbent unit An adsorbent molded article comprising granular absorbant and binder having sustained adsorption over an indefinite period; an adsorbent unit employing said adsorbent molded article; and a housing employing said adsorbent molded article or adsorbent unit. ... | 11/27/2007 |
| 7293661 | Filtration media comprising granules of binder-agglomerated active component Granules comprise binder-agglomerated active particles for liquid treatment or filtration. Each granule has a center core of a material that itself has binding properties without the addition of other binders or sprays or adhesives, or, alternatively, each granule c... | 11/13/2007 |
| 7291208 | Grooved active and passive adsorbent filters The invention relates to a device for filtering contaminants, such as particulates and vapor phase contaminants, from a confined environment such as electronic or optical devices susceptible to contamination (e.g. computer disk drives) by improving performance and p... | 11/06/2007 |
| 7280311 | Disk drive including a filter component with coarse and fine sections There is provided a disk drive including a disk drive base, a disk rotatably coupled to the disk drive base, and a spindle motor attached to the disk drive base and configured to support the disk for rotating the disk with respect to the disk drive base. The disk dr... | 10/09/2007 |
| 7235124 | High temperature nanofilter, system and method A filter, system and method is provided for filtering nanoparticles in a hot gas, namely particles about 200° C. and further particularly >about 450° C. including diesel exhaust. The filter includes filter media material composed of fibro... | 06/26/2007 |
| 7204869 | Sorption rotor A sorption rotor has end faces and is rotatably journaled to travel during a revolution through an inflow sector and an outflow sector. The rotor is made of a matrix material having a honeycomb structure with axially throughgoing flow passages. The matrix material i... | 04/17/2007 |
| 7198661 | Gas purification medium for removing sulfides from gaseous streams A gas purification medium for removing sulfides from a gaseous stream which includes tailings containing mixed metal oxides produced from a high pressure hydrometallurgical leaching process of a sulfidic ore for the recovery of at least one of nickel, cobalt, copper... | 04/03/2007 |
| 7191548 | Clothes tumbler with ozone generator A tumbler is provided for removing odors, such as smoke, from clothing. The tumbler comprises a rotating basket in which clothing tumbles, a blower which causes air to flow through said basket and an ozone source which releases ozone into the air which flows into th... | 03/20/2007 |
| 7186291 | Fuel tank venting system and an additional filter element therefor Described is an additional filter element for a filter apparatus for reducing emissions from a motor vehicle tank venting system. The additional filter element is connected to a main activated carbon filter and has adsorbents which, to achieve a high working capacit... | 03/06/2007 |
| 7182802 | Evaporative emissions filter An evaporative emissions filter for an engine air induction system. The evaporative emissions filter includes a hydrocarbon vapor-adsorbent member disposed within the air induction system. A mechanism is provided for mounting the evaporative emissions filter within ... | 02/27/2007 |
| 7178927 | Electroluminescent device having drying agent A light emitting device includes a container cut off from the atmosphere; an electroluminescence element in the container; and a drying agent in the container, wherein the drying agent chemically absorbs moisture, and maintains a solid state after the moisture absor... | 02/20/2007 |
