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| Number | Title | Issue Date |
| 7311880 | Well-less filtration device The present invention provides a well-less filtration device that includes a pre-filter layer; a support layer; and at least one layer of solid phase extraction medium disposed between the pre-filter layer and the support layer. At least a portion of the pre-filter ... | 12/25/2007 |
| 7132080 | Module for automated matrix removal An automated matrix removal module is configurable to automatically withdraw a portion of sample containing an interferent. The module is further configurable to mix the portion of sample with a precipitating reagent selected to react with the interferent to form a ... | 11/07/2006 |
| 7115221 | Method for producing graphite powder with an increased bulk density A method for increasing the Scott density of synthetic and/or natural graphite powders of any particle size distribution, preferably of highly-pure graphite, by subjecting the graphite powder to an autogenous surface treatment. The powder is used, in particular, for... | 10/03/2006 |
| 7008599 | High throughput crystal form screening workstation and method of use A filtration assembly operable in connection with a crystal form screening workstation that provides for automated crystal form screening is disclosed. The assembly includes first and second valves, with each valve having an internal passage and first, second and th... | 03/07/2006 |
| 6637257 | Micromachined fluid analysis device and method A method and device for performing fluid analysis by separating cells and/or particles from a fluid, such as a biological, vehicular or industrial fluid. The device is a micromachined filtering device comprising a substrate with through-thickness vias hav... | 10/28/2003 |
| 6361749 | Apparatus and methods for magnetic separation Separation apparatus and method for separating magnetic and/or magnetically-labeled particles from a test medium in a reaction chamber which incorporates baffles, a spinner, a stirrer, or a plunger operable to be displaced along a collection surface to de... | 03/26/2002 |
| 6221321 | Chemical feeder A chemical feeder for use in a water circulation system includes a body, a head attached to the top of the body, and a flow passage extending through the head. A portion of the water flowing through the flow passage is diverted into the body, where the wa... | 04/24/2001 |
| 6193805 | Diffuser A diffusion apparatus for extraction of sugar from sugar cane has a vertically-diposed annular extracting compartment including a revolving screen deck contained within a fixed inner shell and a fixed outer shell. The revolving screen is supported on roll... | 02/27/2001 |
| 5998691 | Method and apparatus to destroy chemical warfare agents Chemical warfare agents, including vesicants and nerve agents distributed throughout the world, are destroyed when chemically reacted according to the method and utilizing the apparatus of this invention. The method comprises reacting the chemical warfare... | 12/07/1999 |
| 5882589 | Sealed endoscope decontamination, disinfection and drying device A device for cleaning, disinfecting, and/or drying an endoscope consists of a basin supported on a base. The basin forms a channel that defines a teardrop shape. The device includes a lid that sealingly engages the basin. During operation, the endoscope t... | 03/16/1999 |
| 5879541 | Apparatus and method for removing oil from oil-coated particles Particles of sand coated with oil are loaded into a housing (1). A fluidizing unit (3) is provided towards the bottom of the housing. The fluidizing unit fluidizes the particles and discharges them from the housing to a separator, such as one or more hydr... | 03/09/1999 |
| 5799570 | Apparatus for the extraction of oil from fried food products Described is an apparatus for the extraction of oil from fried food products, especially thin food products, such as snack products, in which the food product is not damaged and which enables an especially homogeneous distribution of the seasonings.... | 09/01/1998 |
| 5616305 | Flexible medical hemodialysis packaging unit for the production of concentrated dialysis solution including a device for the same A flexible medical packaging unit designed as a bag (14) including a single connector (18) containing a powdered salt concentrate (16), i.e. bicarbonate, with a volume sufficient for one dialysis treatment. The bag (14) has such a capacity that the powder... | 04/01/1997 |
| 5560892 | Apparatus system for beneficiation of kish graphite A apparatus system is disclosed for time beneficiation of kish to produce coarse high purity graphite wherein a concentrate containing at least about 90% carbon is formed, treated with a dilute acid solution, and the pulp then subjected to an adjuvant-ass... | 10/01/1996 |
| 5310528 | Method for purification of waste gases A method which provides purification of waste gases by adding particles of reagent and/or absorbent, which react with the pollutants in the waste gases, to the gases, and by introducing the gases into a wetting reactor for activating the reagent or absorb... | 05/10/1994 |
| 5300267 | Reclaimer apparatus A process and apparatus to reclaim solid polystyrene-type polymer material in solid form comprising a dissolving section to dissolve the solid polystyrene-type polymer material in a solvent including a dissolving tank to receive solvent from a solvent res... | 04/05/1994 |
| 5268153 | Dispenser for solid-formed chemicals An apparatus dispenses a solid-form chemical in the form of a dilute solution which is ready for immediate use. The apparatus supports a capsule of the solid chemical in an inverted position above a spray nozzle. A supply of solvent for the chemical is sp... | 12/07/1993 |
| 5229084 | Dispenser cap with distributor for non-liquid chemical delivery systems A dispenser cap for a non-liquid chemical delivery system is disclosed. The dispenser cap is attached to the base of a chemical container holding a non-liquid chemical. The dispenser cap is also coupled to a discharge conduit which includes a nozzle posit... | 07/20/1993 |
| 5205995 | Metathesis of acidic by-product of chlorine dioxide generating apparatus Sodium sesquisulfate produced in crystalline form in a high acidity methanol-based highly efficient chlorine dioxide generating process is converted by metathesis to crystalline anhydrous neutral sodium sulfate and the acid recovered as a result is recycl... | 04/27/1993 |
| 5198196 | Method for removing and replacing catalyst in a distillation column reactor A method and apparatus is provided for removing catalyst from a distillation column reactor and replacing the catalyst with fresh or regenerated catalyst. More specifically a small particulate catalyst is supported by wire mesh or screen or filter medium ... | 03/30/1993 |
| 5147615 | Method of dispensing and dispenser therefor Method and apparatus for dispensing detergent from within a container comprises directing a water spray transversely of the container vertical orientation to dissolve and remove detergent in solution from the container. The transverse direction of water s... | 09/15/1992 |
| 5074328 | Metering device for a water-activatable agent A metering device for a water-activatable agent comprises a container providing a certain water-receiving volume, with a water inlet for water to pass into the container and at least one water outlet opening. Disposed in the container is a carrier tube fi... | 12/24/1991 |
| 5007559 | Method and apparatus for dispensing a particulate material The disclosure relates to a method and apparatus for dispensing detergent into a washing machine. A container of particulate detergent includes a multilayer cover over the container mouth, the outer layer of which is removable to expose an inner layer of ... | 04/16/1991 |
| 4816222 | Method and apparatus for obtaining a suspension and solution The present invention relates to a method to obtain a suspension and/or a solution of limestone powder in water. The limestone powder is placed on a grating (7) of such a mesh size that only a negligible quantity of the powder by itself passes through the... | 03/28/1989 |
| 4615868 | Apparatus for purifying copper phthalocyanine pigment An apparatus for purifying copper phthalocyanine pigment in a continuous process without the use of acid. This apparatus comprises a container for preparing a slurry of said pigment in water, a pump and a conduit for conducting the slurry from the contain... | 10/07/1986 |
| 4446113 | Benzopyrans Compounds of formula (I): ##STR1## wherein: one of R1 and R2 is hydrogen and the other is selected from the class of alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy, alkylhydroxymethyl, nitro, cyano, chloro, trifluoromethyl, alk... | 05/01/1984 |
| 4428833 | Spent flake drainer-conveyor A spent flake drainer-conveyor for transferring spent flakes from a solvent extraction apparatus to a desolventizer-toaster apparatus, having a closed vapor tight housing extending from the desolventizer-toaster to the solvent extraction apparatus. A drai... | 01/31/1984 |
| 4313912 | Apparatus for the continuous extraction of oils and soluble substances from solid materials A cylindrical housing encloses a plurality of vertically stacked extractor sections each containing a plurality of baskets in vertical registry with baskets of the other sections, with the baskets all being stationary so that material to be processed pass... | 02/02/1982 |
| 4307064 | Solvent extraction apparatus A continuous solvent extracting apparatus with a generally cylindrical stationary housing containing a plurality of stationary bottomless baskets disposed laterally adjacent one another in a circular pattern in a single stage with a screen forming the bot... | 12/22/1981 |
| 4234429 | System for separating particulate matter into soluble and insoluble portions Particulate matter collected by an environmental air quality control device may be in part toxic in nature and thus not readily disposable. By separating the toxic portion of the particulate matter from a nontoxic portion, disposal of nontoxic portion may... | 11/18/1980 |
| 4213941 | Solvent immersion extractor The immersion extractor is designed for use with a solid material containing an extractable component and includes a plurality of adjacent chambers each formed to contain a liquid solvent bath for extracting the component from the material and a continuou... | 07/22/1980 |
| 4212848 | Apparatus and process for the manufacture of fibrils The invention is directed to an apparatus useful for dissolving high molecular weight olefin polymers in a hot hydrocarbon solvent. The apparatus includes: (a) A plurality of interconnected fluid chambers, each of which has a fluid inlet and a fluid outle... | 07/15/1980 |
| 4108635 | Solder skimmings recovery process An improvement in the method for recovering marketable values of solder, lead, and a zinc chloride-ammonium chloride solution from solder skimmings which comprises grinding the skimmings, water leaching the skimmings to dissolve the zinc chloride and ammo... | 08/22/1978 |
