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| Number | Title | Issue Date |
| RE40943 | Method in treating aqueous waste feedstream for improving the flux rates, cleaning and the useful life of filter media A method in treating aqueous feedstream in diverse plant site environments is disclosed for improving filter flux rates, cleaning filter media and prolonging useful operative life of media. In preferred embodiments the method is provided with steps for contacting, r... | 10/27/2009 |
| 7410585 | Apparatus and method for storing and releasing sulfur containing aromatic compounds from a fuel stream of an internal combustion engine Disclosed is a fuel filter for removing sulfur containing compounds from an internal combustion fuel stream. In one embodiment, the fuel filter comprises at least one column comprising an adsorbent. In one exemplary embodiment the adsorbent is capable of removing su... | 08/12/2008 |
| 7101519 | Zirconium basic carbonate and methods of making the same Methods of making zirconium basic carbonate are further described which involve titrating an aqueous slurry of sodium zirconium carbonate to a pH of from about 3.5 to about 4.0 with an acidic agent wherein the sodium zirconium carbonate has a moisture content of fro... | 09/05/2006 |
| 7033498 | Cartridges useful in cleaning dialysis solutions Cartridges useful in regenerating or purifying dialysis solutions are described as well as methods to regenerate or purify spent dialysis solutions. Dialysis systems using the sorbent cartridges of the present invention are further described. ... | 04/25/2006 |
| 6960179 | Wearable continuous renal replacement therapy device A continuous renal replacement therapy device adapted to be worn on a portion of the body of a patient, including: a plurality of contoured dialyzers, which are connected in series and utilize dialysate to remove impurities from the blood of the patient; and a plura... | 11/01/2005 |
| 6755977 | Method in treating aqueous waste feedstream for improving the flux rates, cleaning and the useful life of filter media A method in treating aqueous feedstream in diverse plant site environments is disclosed for improving filter flux rates, cleaning filter media and prolonging useful operative life of media. In preferred embodiments the method is provided with steps for contacting, r... | 06/29/2004 |
| 6656360 | Fibrous system for continuously capturing metals from an aqueous stream A unique filtration device (10) which removes metal ions from a contaminated aqueous stream through the use of partially hollow wicking fibers (20) impregnated with a selected liquid (18) which can capture the metal ions in the aqueous stream. The wicking... | 12/02/2003 |
| 6602502 | Methods and devices for removing species Immunoassays of psychoactive drugs including psychotomimetic drugs, narcotic drugs, and tetrahydrocannabinols and treatment methods based on the antigenic properties of protein conjugates of these drugs. These methods are based upon treating the psychoact... | 08/05/2003 |
| 6572831 | Materials treatment A material contaminated with a solvent is treated with a hydrofluorocarbon to remove the contaminant. The hydrofluorocarbon can be tetrafluoroethane.... | 06/03/2003 |
| 6348162 | Starting dialysate composition for use as an initial dialysate in hemo dialysis An apparatus for use in whole body hypothermia includes a dialyzer having a blood side and a dialysate side separated by one or more dialysis membranes. A blood pump associated with the a blood circuit established on the blood side circulates blood throug... | 02/19/2002 |
| 6039946 | Extracorporeal affinity adsorption devices Extracorporeal affinity adsorption devices which are aimed at the substantial removal of two or more compounds that are etiological in the pathogenesis of diseases in man, provide effective therapeutic intervention means for these diseases. The devices ar... | 03/21/2000 |
| 5753227 | Extracorporeal affinity adsorption methods for the treatment of atherosclerosis, cancer, degenerative and autoimmune diseases Extracorporeal affinity adsorption treatments which are aimed at the substantial removal of two or more compounds that are etiological in the pathogenesis of diseases in man provide effective therapeutic intervention means for these diseases. The methods ... | 05/19/1998 |
| 5430224 | Supercritical perstraction process A feed stream comprising a mixture of at least two separable components is separated into a permeate rich in one or more components and a retentate lean in those same components by a process comprising dissolving the feed in a supercritical solvent under ... | 07/04/1995 |
| 5075123 | Process and apparatus for removing alcohol from beverages A process and apparatus for removing alcohol from beverages includes removing alcohol from the beverage to a dialysate by dialysis in a dialysis chamber, and then removing the alcohol from the dialysate by vacuum in a vacuum stripping column, wherein the ... | 12/24/1991 |
| 4963264 | Process for selective dialysis using polymeric affinity adsorbents and size selective membranes A process for the selective dialysis of liquid streams containing different materials comprises the steps of providing a porous membrane in a cell, the membrane having pores of sufficient dimension to allow passage of the different materials therethrough,... | 10/16/1990 |
| 4952317 | Device and method for filtering a colloidal suspension A device for separating selected components from a colloidal suspension utilizing a vessel capable of holding the colloidal suspension. A membrane permeable to selected components of a colloidal suspension is sealed over a support to form a leaf element. ... | 08/28/1990 |
| 4923614 | Process and device for large surface-area fine-bubble gasification of liquids In a method and a device for the widespread fine-bubble aeration of liquids, resilient, perforated membranes, which are preferably in the form of aeration hoses, are arranged in a liquid receptacle and are maintained horizontal by means of holding and gui... | 05/08/1990 |
| 4915838 | Membrane dehumidification Organic vapor species ranging from polar to non-polar are removed from the ambient atmosphere by means of a thin microporous membrane medium in conjunction with a non-volatile collecting fluid having an affinity for the species of interest. The collecting... | 04/10/1990 |
| 4820343 | Process for transferring metal ions using microporous membranes The invention relates to a process for transferring metal ions from an aqueous liquid to a non-aqueous liquid and then to another aqueous liquid. The non-aqueous liquid contains one or more complexing agents and is kept separate from the aqueous liquid re... | 04/11/1989 |
| 4806249 | Process for the separation of indium from anidic solutions containing it The invention relates to the separation of indium from acidic solutions containing it, by means of the formation of complex compounds with complexing substances supported on either planar or tubular membranes, of ploymeric character, and of the de-complex... | 02/21/1989 |
| 4781837 | Method of performing osmetic distillation A hydrophobic semi-permeable membrane process (e.g., using hydrophobic microporous hollow fibers) for the concentration of a dilute solution of low osmotic pressure by osmotic distillation (also known as membrane distillation or membrane evaporation), whi... | 11/01/1988 |
| 4770784 | Scrubbing process for high feed concentrations A scrubbing process for high feed concentrations of different materials in liquid streams. The process calls for providing a porous membrane in a cell, the membrane having pores of sufficient dimension to allow passage of the different materials therethro... | 09/13/1988 |
| 4765907 | Wearable, continuously internally operable and externally regenerable dialysis device Wearable, continuously internally operable, externally regenerable dialysis system in which body fluids are dialyzed against a first dialysis fluid within a chamber in the body without invasion of veins or arteries, the chamber being a body cavity or a se... | 08/23/1988 |
| 4680122 | Ultrafiltration control for hemodialysis There is provided an improved system for controlling ultrafiltration in hemodialysis which is independent of the membrane used in the dialyzer. A load cell measures the instantaneous amounts of fluid in a reservoir which receives fluids from the dialyzer ... | 07/14/1987 |
| 4670151 | Process for the separation of an organic liquid mixture A process for the separation of a two component liquid mixture is described in which the liquid mixture is passed along one side of a membrane and an extracting agent is passed on the other side of the membrane, the process being characterized by the use ... | 06/02/1987 |
| 4664808 | Method for continuous separation of dissolved materials A method of continuous separation of dissolved materials employs two membranes, each disposed in its own fluid-tight chamber. An aqueous feed solution containing organic material is passed in contact with a recirculating flow of organic extractant which r... | 05/12/1987 |
| 4650587 | Ammonia scavenger A new and useful particulate magnesium phosphate product (MGP) and method of use therefor are disclosed for removing ammonia from aqueous solutions, e.g., recirculating dialysate solutions and intragastrointestinal fluids as may result from the hydrolysis... | 03/17/1987 |
| 4618428 | Process for recovery of zinc from plating waste solutions A membrane-based solvent extraction system is used to separate zinc from plating wastes and to recycle the concentrated zinc solution to the plating bath. Di-2 ethylhexylphosphoric acid (DEHPA) is used as an organic carrier, and an acid or salt solution i... | 10/21/1986 |
| 4582691 | Process for separating Fe(III) from an aqueous solution of metallic salts and a process for separating Fe(III) from an organic extraction solvent A process for separating Fe(III) from an aqueous solution of metallic salts containing at least Fe(III), comprising: (1) bringing said aqueous solution into contact with an organic extraction solvent containing, as an extractant, an organic phosphinic aci... | 04/15/1986 |
| 4581141 | Dialysis material and method for removing uremic substances Compositions for removing uremic substances during hemodialysis comprising an aqueous slurry containing charcoal, a highly calcium-loaded zeolite cation exchanger, purified urease (which may be bound to a portion of the zeolite, a suspending agent, and op... | 04/08/1986 |
| 4581236 | Process and apparatus for reduction of alcohol by dialysis in fermented beverages Fermented beverages of a reduced alcohol contents are made by causing the fermented beverage having a normal alcohol contents as produced in the fermentation to flow along one face of a dialysis membrane at a pressure differential below 5.0 bar while simu... | 04/08/1986 |
| 4528178 | Chemotherapeutic agent and tracer composition and use thereof A therapeutic composition suitable for extracorporeal treatment of whole blood comprises a dialyzable chemotherapeutic agent and a dialyzable fluorescable tracer means. The removal rate of the fluorescable tracer compound from treated blood during hemodia... | 07/09/1985 |
| 4473449 | Flowthrough electrochemical hemodialysate regeneration An improved method and electrolytic cell for the oxidation of nitrogen-containing waste materials in a dialysate stream used for hemodialysis, hemofiltration or peritoneal dialysis comprises a cylinder having a porous anode and a porous cathode spaced apa... | 09/25/1984 |
| 4420398 | Filteration method for cell produced antiviral substances This invention affords a filtration method and apparatus for extracting cell produced antiviral substances (CPAS) from a production broth using cross-flow membrane filtration. The broth is perfused into a first filtration cell and caused to cross-flow acr... | 12/13/1983 |
| 4375414 | Immunological methods for removing species from the blood circulatory system and devices therefor Immunoassays of psychoactive drugs including psychotomimetic drugs, narcotic drugs, and tetrahydrocannabinols and treatment methods based on the antigenic properties of protein conjugates of these drugs. These methods are based upon treating the psychoact... | 03/01/1983 |
| 4329986 | Treatment of an extracorporeal stream of blood with a dialyzable chemotherapeutic and a fluorescable tracer A therapeutic composition suitable for extracorporeal treatment of whole blood comprises a dialyzable chemotherapeutic agent and a dialyzable fluorescable tracer means. The removal rate of the fluorescable tracer compound from treated blood during hemodia... | 05/18/1982 |
| 4321192 | Fractionation of protein mixtures by salt addition followed by dialysis treatment A process is described for the fractionation of solutions of protein mixtures which includes the steps of subjecting such solutions to "salting-out", separation of the resulting turbidity, subsequent removal of the "salting-out" agent from the supernatant... | 03/23/1982 |
| 4313831 | Process and device for the removal of waste metabolites from a solution containing such metabolites Processes and apparatus for the removal of waste metabolites from metabolite-containing solutions are disclosed. The disclosed processes include alternatively adsorbing and desorbing the metabolites on a pair of adsorbent-containing columns, each column b... | 02/02/1982 |
| 4276175 | Regeneratable peritoneal dialysis bag A regeneratable peritoneal dialysis bag having a hollow fiber filtration bundle affixed to flexible plastic sidewalls so as to regenerate peritoneal fluid within the bag. An orifice in the bag allows for fluid connection with a peritoneal cavity. A method... | 06/30/1981 |
| 4244816 | Liquid membrane capsule systems resistant to coalescence by means of an irreversible coating The instant invention relates to liquid membrane capsule system (LMCS) which are made resistant to coalescence by means of an irreversible coating material present in the suspension phase. LMCS having this irreversible coating material are stable (i.e. re... | 01/13/1981 |
