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| Number | Title | Issue Date |
| 8157893 | Apparatus and process for isomerizing a hydrocarbon stream One exemplary embodiment can be an apparatus for isomerizing a hydrocarbon stream rich in a C4 hydrocarbon and/or at least one of a C5 and C6 hydrocarbon. The apparatus can include: a vessel containing a fluid including at least one reactant; a fluid transfer device... | 04/17/2012 |
| 8147591 | Systems and methods for reducing off-gassed ozone Systems and methods for producing an ozone destructor are disclosed herein. Generally, these systems and methods include an ozone destructor that has a housing defining an air passage duct. In some cases, this air passage duct includes a first chamber and a second c... | 04/03/2012 |
| 8070854 | Passive desiccant system In a method for removing moisture from an optical system at high altitude, the improvement comprises using the difference in flow resistance between the desiccant path and the optical cavity path to enable airflow through the desiccant unit and not through the optic... | 12/06/2011 |
| 8021465 | Compressed air supply device A compressed air supply device for a commercial vehicle is provided. The compressed air supply device includes a valve housing and an air-drying cartridge connected releasably to the valve housing. The valve housing and the air-drying cartridge are connected to each... | 09/20/2011 |
| 7972418 | Compressed air supply device A compressed air supply device for a commercial vehicle is provided. The compressed air supply device includes a valve housing and an essentially axially symmetrical, exchangeable air-drying cartridge which is connected to the valve housing. The valve housing and th... | 07/05/2011 |
| 7927402 | Passive desiccant system In a method for removing moisture from an optical system at high altitude, the improvement comprises using the difference in flow resistance between the desiccant path and the optical cavity path to enable airflow through the desiccant unit and not through the optic... | 04/19/2011 |
| 7922790 | Compressor device Compressor device having a compressor (2) with an inlet (3) and an outlet (4); a compressed air line (5) which connects the outlet (4) of the compressor (2) to a user network (6); a drier (7) which is incorpora... | 04/12/2011 |
| 7695547 | Desiccant A desiccant comprises a mixture of a polymeric salt and a nonpolymeric salt. ... | 04/13/2010 |
| 7662214 | Disposable absorbent liner for use with refrigerator drawers and associated method A protective liner includes a body formed from disposable and porous material and has planar top and bottom surfaces respectively. Such a body is removably positioned within an existing refrigerator drawer such that the body covers an entire bottom surface of the ex... | 02/16/2010 |
| 7591881 | Methods and devices for humidity control of materials This invention provides novel devices and methods for manipulation of moisture/fluid levels in and/or upon objects and is used to, e.g., safely dry wet books and documents with minimal deleterious side effects or to add humidity to such books/documents or other obje... | 09/22/2009 |
| 7473300 | Moisture absorbent composition, moisture absorbent molding, and method for controlling equilibrium humidity, method for controlling time of maintaining equilibrium humidity A moisture absorbent composition is provided with a thermoplastic resin; and a moisture absorbent kneaded into the thermoplastic resin, having a secondary particle size of substantially 1 to 40 μm, wherein equilibrium humidity is controlled by selecting the specifi... | 01/06/2009 |
| 7413595 | Control scheme for hybrid PSA/TSA systems An improved control scheme is set forth for an adsorption process that removes water and carbon dioxide (CO2) from a feed gas using a hybrid of both temperature swing (i.e. TSA) and pressure swing (PSA) to regenerate the adsorbent. The control scheme comp... | 08/19/2008 |
| 7402195 | Surface for promoting droplet formation A surface (30) suitable for promoting the formation of liquid (35) is provided comprising alternating regions of liquid repelling (32) and liquid attracting (33) material in at least one direction across the surface wherein the diameter o... | 07/22/2008 |
| 7396383 | Membrane-based reservoir dryer A device and method for preventing ingression of contaminants and moisture and for removing moisture from a fluid reservoir, the device comprising a fluid reservoir for supporting a fluid therein, a fluid reservoir opening for allowing an exchanging of air between a... | 07/08/2008 |
| 7377958 | Apparatus and method for removing airborne moisture An apparatus is provided for removing airborne moisture from a designated area. In one embodiment, the apparatus includes a bucket, a liquid absorption medium (such as ground corn cobs) placed in the bottom of the bucket to form a media bed, a tray placed over the a... | 05/27/2008 |
| 7361206 | Apparatus and method for water vapor removal in an ion mobility spectrometer The present invention is directed to an apparatus and a method for continuously removing water vapor from a closed loop, re-circulated gas flow in an ion mobility spectrometer using a water permeable membrane, having a first side and a second side opposite the first... | 04/22/2008 |
| 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 |
| 7332017 | Method and apparatus for separation of moisture from fluids Apparatus and methods useful for removal or reduction of moisture from fluids are described. In one embodiment the apparatus comprises a moisture separation unit comprising a thermally regenerable moisture adsorption material having feed and waste sides, and means f... | 02/19/2008 |
| 7309378 | Syngas purification process The present invention relates to a process for purifying a syngas of the CO/H2 or N2/H2 type, which consists in removing CO2 and possibly other gaseous impurities (water, etc.) before the gas undergoes a cryogenic process.... | 12/18/2007 |
| 7309379 | Moving bed adsorber/desorber and low flow (high yield) desorber devices and their methods of use Moving bed adsorber and desorber apparatus and methods, wherein adsorbent material (e.g., beads of resin) moves over a series of vane members and a fluid flow passes between the vane members and through the flowing bed of adsorbent. An adsorbent depth regulator is p... | 12/18/2007 |
| 7304011 | Compositions and processes for reducing NOemissions during fluid catalytic cracking Compositions for reduction of NOx generated during a catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise a fluid catalytic cracking catalyst composition, preferably containing a Y-type zeoli... | 12/04/2007 |
| 7300899 | Lithium exchanged zeolite X adsorbent blends A lithium exchanged zeolite X adsorbent blend with improved performance characteristics produced by preparing a zeolite X, preparing a binder which includes highly dispersed attapulgite fibers wherein the tapped bulk density of the highly dispersed attapulgite fiber... | 11/27/2007 |
| 7300504 | Inkjet inks and methods of preparing the same Inkjet ink compositions comprising a liquid vehicle and a modified azo pigment are described. The modified azo pigment comprises the reaction product of at least one diazonium reagent and at least one azo coupler. At least one of the diazonium reagents and/or azo co... | 11/27/2007 |
| 7294172 | Helium recovery A gas recovery system comprising a source of gas having a preselected concentration of a desired component (9), at least one application (1) that adds impurities to said gas, and at least one an adsorption system (6) that purifies said gas to pr... | 11/13/2007 |
| 7288201 | Methods for removing moisture from hydrogen halides A composition comprising a magnesium halide coated macroporous carbonaceous substrate is provided for effecting moisture removal from a hydrogen halide fluid. Moisture removal is effected by intimately contacting the hydrogen halide fluid with the magnesium halide c... | 10/30/2007 |
| 7284412 | Moisture detection apparatus A moisture detection apparatus is installed within a building below a critical area of the building's envelope and has a casing, which may be telescoping, and which as a window on one or both ends. An absorbent material is disposed within an interior chamber of the ... | 10/23/2007 |
| 7273512 | Process for drying difluoromethane Process for drying wet F32, which comprises placing a stream of the said F32 in continuous contact with a feed stock of a composition comprising a molecular sieve chosen from a 3A type sieve, at a temperature of between 5 and 78° C. and at a pressure of between 0.5... | 09/25/2007 |
| 7264651 | Adsorption process and system using multilayer adsorbent beds containing regenerator section For PSA or TSA prepurifiers, the temperature rise on adsorption is particularly troublesome when the temperature rise reaches the end of the bed at the end of the adsorption step. This results in an increase in the CO2 and N2O concentration at ... | 09/04/2007 |
| 7261143 | Heat pipe A heat pipe includes a metal tube and an amount of fluid sealed in the copper tube. The metal tube may include an inner surface. The inner surface is patterned to define at least one pitch and at least two grooves. A given pitch separates adjacent grooves. The amoun... | 08/28/2007 |
| 7244033 | Moistureproof optical device An optical device includes a first optical element including an incidence plane on which light from an object is incident, the incidence plane being in contact with the surrounding environment; a main body having an inside and housing the first optical element such ... | 07/17/2007 |
| 7235117 | Porous sulpha sponge iron compound, a process for preparing the same and a method for desulphurizing natural gas therewith This invention relates to a novel porous, sulpha sponge iron compound derived from haematite having the following composition given below: and having trace elements such as Au, Pt and Ag therein, by dissolving said haematite in concentrated hydrochloric acid. The ac... | 06/26/2007 |
| 7229667 | Reduced moisture compositions comprising an acid gas and a matrix gas, articles of manufacture comprising said compositions, and processes for manufacturing same Compositions comprising a reactive gas and a matrix gas are disclosed, as well as articles of manufacture and methods of making the articles. The methods of manufacturing preferably employ zeolites to remove moisture from the reactive gas and from the matrix gas, an... | 06/12/2007 |
| 7217314 | Venting system for minimizing condensation in a lighting assembly In one aspect, the invention is a lighting assembly comprising a housing defining an internal space within the housing, and an ambient space surrounding the housing, a light source within the internal space; a high capacity desiccant within the internal space, the h... | 05/15/2007 |
| 7210519 | Heat pipe A heat pipe includes a metal tube, a layer of nano-particles and a working fluid. The metal tube has an inner surface defining at least two pores. Each of the pores has a diameter in the range from about 2 to about 50 nanometers. The layer of nano-particles is forme... | 05/01/2007 |
| 7195713 | Material for chromatography Granulated products are provided and include carbonaceous particles and a carbonized agent or binder. The agent or binder is preferably a synthetic resin, pitch component, or mixture thereof. Packing materials for packing columns used in chromatographic separations ... | 03/27/2007 |
| 7175696 | Method and apparatus for corrosive gas purification Herein is disclosed a method and an apparatus for preparing a highly purified gas from a crude liquid comprising the gas and one or more of a metal, particulates, water vapor, or a volatile impurity. The method comprises: (a) vaporizing the crude liquid, to yield (i... | 02/13/2007 |
| 7166149 | Adsorption process for continuous purification of high value gas feeds Using a high pressure rotary adsorbent wheel, a high value compressed gas feed can be purified by concentrating the impurity such as water, condensing it out, before final purification. Instead of exhausting gas from the system, the effluent can be put back into the... | 01/23/2007 |
| 7163573 | Chemical filter medium, chemical filter including the chemical filter medium and method for manufacturing the chemical filter A chemical filter medium for removing ozone and nitrogen oxide includes a first ozone absorption layer for mainly removing ozone having a filtering base material for removing ozone, a first nitrogen oxide absorption layer for mainly removing nitrogen oxide formed on... | 01/16/2007 |
| 7160360 | Purification of hydride gases Purification material for removing a contaminant from an impure hydride gas comprising an adsorbent comprising a reduced metal oxide on a porous support and a desiccant. The porous support may be selected from the group consisting of activated carbon, alumina, silic... | 01/09/2007 |
| 7156225 | Reduced moisture compositions comprising an acid gas and a matrix gas, articles of manufacture comprising said compositions, and processes for manufacturing same Compositions comprising a reactive gas and a matrix gas are disclosed, as well as articles of manufacture and methods of making the articles. The methods of manufacturing preferably employ zeolites to remove moisture from the reactive gas and from the matrix gas, an... | 01/02/2007 |
