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| Number | Title | Issue Date |
| 7261808 | Upgrading of pre-processed used oils A process to further upgrade a pre-processed used lubricating oil by: (a) contacting the partially upgraded used oil in the presence of hydrogen with a hydrodemetallization catalyst; (b) contacting the effluent of step (a) in the presence o... | 08/28/2007 |
| 7001531 | Sustained release coolant additive composition A coolant additive composition comprising a sustained release component and an additive component, the additive component is effective to provide at least one benefit to a coolant when released into the coolant, the sustained release component includes a polymeric m... | 02/21/2006 |
| 6909091 | Separation and analysis of sample components The invention describes a new integrated separation and analysis system for analysis and separation of at least one sample component, comprising a mass sensitive detector (1) with ionization source (2), at least one mobile solid phase (3), at le... | 06/21/2005 |
| 6562247 | Process for conducting liquid/liquid multiphase reactions in a tubular reactor having static mixing elements separated by coalescing zones A tubular reactor characterized by having short static mixing elements separated by coalescing zones is used to conduct multiphase liquid/liquid reactions. Small droplets of one of the phases are dispersed into the other phase by the static mixing element... | 05/13/2003 |
| 6437010 | Device and method for the regeneration of mixed ion exchange resin beds A method for desalination of water or of aqueous solutions derived from industrial process that use two columns: the first treatment column containing a mixed bed of ion exchange resins, in which the cation exchange resins are regenerated, and a second co... | 08/20/2002 |
| 6210959 | Apparatus for the cultivation and concentration of non-adherent cells as well as for co-cultivation of two different cell species For avoidance of cell aggregation and damage to the cells as well as for a reduction of the risk of contamination, an apparatus for the cultivation and concentration of non-adherent cells as well as for the co-culture of two different cell species consist... | 04/03/2001 |
| 6187826 | Device and method for the regeneration of mixed ion exchange resin beds Equipment and procedures for regenerating ion exchange resin mixed beds, used for the desalination of water or of aqueous solutions from industrial processes (process solutions), that use two columns: the first treatment column (C1), containing a mixed be... | 02/13/2001 |
| 5944987 | Multipurpose combinatory oil, air, gas, & pollution filtration system The present invention especially for machine applications, also improves the invention air cleaning device, U.S. Pat. No. 4,585,599 dated Apr. 29, 1986. The present invention is the said air cleaning method U.S. Pat. No. 4,585.599 and which is in addition... | 08/31/1999 |
| 5774816 | Apparatus and method for cleaning a vessel An apparatus for cleaning a separator is disclosed. Generally, the apparatus includes a vessel connected to a well that produces an effluent. The vessel is used for separating the effluent. Also included is a discharge member which is attached within the ... | 06/30/1998 |
| 5520800 | Device to provide a tribochemical mode of operation in a lubrication system for a mechanism A device to provide a tribochemical mode of operation in a lubrication system for a mechanism comprises a casing (1), a cover (2) with holes (3 and 4) for oil inlet and outlet, respectively, a non-return valve (5), a relief valve (6), a full-flow filterin... | 05/28/1996 |
| 5443724 | Apparatus for separating the components of a liquid/liquid mixture A liquid purification system is provided which is capable of separating a first liquid, that is wholly or partly immiscible in and forms a discontinuous phase with a second, continuous phase-forming liquid, from the second liquid, which includes at least ... | 08/22/1995 |
| 5372711 | Two stage system for skimming floating particles A first stage of a two stage apparatus for separating floating paint spray particulates from a collection tank that receives the waterfall backdrop from a commercial paint spray booth has a vertically pivotal weir hinged to a weir box that receives the re... | 12/13/1994 |
| 5340472 | Apparatus for processing wastes from the machining of ferromagnetic materials A method for processing wastes from the machining of ferromagnetic materials in which the wastes are mixed with a washing solution in a first tank and oil or oil-and-water emulsion adhering to the wastes is dissolved. Ferromagnetic components of the waste... | 08/23/1994 |
| 5286380 | Apparatus for contaminated oil reclamation A novel process and related apparatus for removing common contaminants from used motor oil. Propane, butane or a similar solvent is mixed with the contaminated oil to form a solution. This solution is agitated and then given time to settle thus allowing g... | 02/15/1994 |
| 5135616 | Oil purification Apparatus for oil purification comprises a packed column for contacting sour oil with steam from a boiler, a gravity separator for separating the oil and water, a coalescer for coalescing the recovered oil, and a condenser for separating the lighter fract... | 08/04/1992 |
| 5106493 | Gray-water reclamation and reuse system A gray-water reclamation and reuse system for collecting, filtering and storing waste water (i.e., gray-water) for reuse where potable quality water is not required comprises a sump for collecting the waste water; a filter connected for filtering the wast... | 04/21/1992 |
| 5102544 | Apparatus for continuously removing crystals from a mother liquor and for washing the crystals Apparatus for continuously removing from the mother liquor the crystals contained in a suspension of crystals in the mother liquor and for washing the crystals with a washing liquid, comprising a closed cylindrical chamber, feed devices for the suspension... | 04/07/1992 |
| 5091081 | Anti-freeze recycling apparatus and method A method and apparatus are disclosed for cleansing a used autombobile anti-freeze solution. The method and apparatus include pre-filtering a used solution with a particulate filter selected to filter contaminant sized greater than a predetermined minimum ... | 02/25/1992 |
| 4834877 | Apparatus for membrane-permeation separations using segmented flow The overall mass transport efficiency of hollow fiber membrane separation cells is increased by introducing segmented flow into the bores of the fibers. The invention is preferably practiced by dispersing a gas segmentation phase into a continuous liquid ... | 05/30/1989 |
| 4619770 | Method and apparatus for recovering a fluid from a filter A method and apparatus for recovering a product fluid from a filter, wherein a wash fluid is passed through the filter so as to yield a mixture of product fluid and wash fluid. The mixture is then phase separated in a phase separator into a first phase su... | 10/28/1986 |
| 4595499 | Gravity belt thickener and belt press combination A belt press for use in removing water from sewage sludge, and including a frame, a pair of belts for compressing sludge material therebetween, the said belts being water-permeable whereby water in said sludge may drain through said belts, and a gravity b... | 06/17/1986 |
| 4412916 | Airless artificial kidney assembly The invention provides an artificial kidney extracorporeal circuit assembly including an artificial kidney having detachably attached multifunctional subassembly means for automatically venting gas bubbles from liquid flowing therethrough, for continuousl... | 11/01/1983 |
| 4292277 | Liquid-liquid contacting apparatus A compact, multi-stage, co- or counter-current liquid-liquid extraction apparatus includes first and second mixer-settlers which share a common wall. Each of the first and second mixer-settlers comprises a mixing chamber having an agitator mounted therein... | 09/29/1981 |
| 4192746 | Liquid clarification system A liquid clarification system for separating solid and/or chemical contaminants from an unclarified liquid wherein a variable influent is passed through a settling clarifier to separate a portion of the contaminants from the liquid forming a semi-solid sl... | 03/11/1980 |
| 4124502 | Process for the purification of greasy and soiled water using a heavy solvent, and apparatus for its implementation A process for the purification of waste water containing grease and soil, especially the effluent from wool-soaking and wool-washing, which comprises mixing the waste water with a heavy solvent; separating the emulsion formed to obtain degreased water, a ... | 11/07/1978 |
| 4111806 | Gravitational separator for mixtures of immiscible liquids of different densities An improved gravitational separator for mixtures of immiscible liquids of different densities, particularly oil and water, includes a reaction member in the form of a dome or diaphragm immersed in more dense liquid to be separated and which floats upwardl... | 09/05/1978 |
