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| Number | Title | Issue Date |
| 8097162 | Systems and methods of microfluidic membraneless exchange using filtration of extraction outlet streams A device, system and method for exchanging components between first and second fluids by direct contact in a microfluidic channel. The fluids flow as thin layers in the channel. One of the fluids is passed through a filter upon exiting the channel and is recycled th... | 01/17/2012 |
| 8092684 | Systems and methods of microfluidic membraneless exchange using filtration of extraction outlet streams A device, system and method for exchanging components between first and second fluids by direct contact in a microfluidic channel. The fluids flow as thin layers in the channel. One of the fluids is passed through a filter upon exiting the channel and is recycled th... | 01/10/2012 |
| 7727399 | Systems and methods of microfluidic membraneless exchange using filtration of extraction outlet streams A device, system and method for exchanging components between first and second fluids by direct contact in a microfluidic channel. The fluids flow as thin layers in the channel. One of the fluids is passed through a filter upon exiting the channel and is recycled th... | 06/01/2010 |
| 7368056 | Production of potable liquids Water-desalination and/or water purification devices. Alternatively, devices that are implantable in animal bodies, possibly configured as self-inflating spinal disc prostheses. The devices include specified types of water-absorbing solute encapsulated by non-porous... | 05/06/2008 |
| 7365236 | Generation of a creosote-like mixture, or recovery of metals, or both from preserved wood by reaction in supercritical water An environmentally-friendly method is disclosed for transforming preserved wood, for example creosote-treated or CCA-treated wood with supercritical water. The product of treating weathered creosote-treated wood is a mixture that is similar to fresh creosote. The no... | 04/29/2008 |
| 7351320 | Multiple frequency electrostatic coalescence A method of augmenting the separation of immiscible heavier and lighter components of an emulsion including the steps of conducting the emulsion into a treatment vessel, providing an AC voltage source, employing from the source an AC voltage of at least one selected... | 04/01/2008 |
| 7323039 | Method for preparing microsphere It is to provide an improved method for preparation of microsphere from an emulsion wherein an organic phase containing an organic solvent having a boiling point lower than that of water and a hardly-water-soluble polymer is emulsified in an aqueous phase by an in-w... | 01/29/2008 |
| 7202282 | Microemulsions for selective molecular separation The subject invention provides microemulsions having, as one component thereof, electron-deficient aromatic rings, e.g.. di(trifluoromethyi) benzene, for efficient separation and/or isolation of target molecules, e.g., bupivacaine. ... | 04/10/2007 |
| 7183230 | Protective cover system including a corrosion inhibitor A protective cover system (100) for inhibiting corrosion of a metallic object. The protective cover system includes a cover (101, 200, 600) for defining a microenvironment and a corrosion inhibitor source for releasing one or more corrosion inhibitors ... | 02/27/2007 |
| 7156240 | Filter for processing blood and process for producing the same A filter for reducing leukocytes and platelets from an erythrocyte preparation or a whole blood preparation which is characterized by having a filter base coated with a polymer, the content of the polymer being from 0.5 to 10 mg/m2 per unit area of the to... | 01/02/2007 |
| 7074255 | Noble metal gas barriers A method for separating gases within a barrier, and a metallic barrier separating the gases is provided for use in solid oxide fuel cells, or SOFC. A network of pores can vent steam formed within the barrier by the reaction of hydrogen diffusing from one side and ox... | 07/11/2006 |
| 7053012 | Flexible corrosion-inhibiting cover for a metallic object A cover (200) for inhibiting corrosion of a metallic object over which the cover is placed. The cover has an inner surface (104) defined by a liquid-permeable layer (202) and an outer surface (102) defined by a liquid-impermeable layer ( | 05/30/2006 |
| 7048803 | Method of dissolving scale A method of dissolving scale comprises contacting the scale with a solution of an alkali metal bisulfate. Another method of dissolving scale comprises contacting the scale with a solution of an alkali metal bisulfate and a strong mineral acid. A further method of di... | 05/23/2006 |
| 7014773 | Demulsification of emulsions by socillatory mixing The invention includes a method for demulsification of water-in-oil emulsions, oil-in-water emulsions, and mixtures of water-in-oil and oil-in-water emulsions by oscillatory mixing of the emulsions. ... | 03/21/2006 |
| 6923915 | Process for the removal of impurities from combustion fullerenes The invention generally relates to purification of carbon nanomaterials, particularly fullerenes, by removal of PAHs and other hydrocarbon impurities. The inventive process involves extracting a sample containing carbon nanomaterials with a solvent in which the PAHs... | 08/02/2005 |
| 6485650 | Liquid membrane separation of enantiomers The invention is related to a method for separating enantiomers in a supported liquid membrane module by contacting the liquid membrane which may contain a carrier and a phase transfer agent with a feed fluid containing a racemic mixture whereby an enanti... | 11/26/2002 |
| 6419829 | Membrane process for making enhanced flavor fluids A process using a hydrophobic membrane separation process for making an enhanced flavor fluid, particularly a low-alcohol brew, having improved flavor is disclosed.... | 07/16/2002 |
| 6352644 | Method of manipulating the chemical properties of water to improve the effectiveness of a desired process The method of the present invention is adapted to manipulate the chemical properties of water in order to improve the effectiveness of a desired process. The method involves heating the water in the vessel to subcritical temperatures between 100° to 374Â... | 03/05/2002 |
| 6328782 | Combined supported liquid membrane/strip dispersion process for the removal and recovery of radionuclides and metals The present invention provides a novel process for the removal and recovery of radionuclides from waste waters and process streams. The process of the present invention utilizes a combination of a supported liquid membrane (SLM) and a strip dispersion to ... | 12/11/2001 |
| 6306355 | Method for separating actinides and lanthanides by membrane transport using a calixarene The invention involves the separation of actinides and lanthanides by membrane transport by means of a calixarene. To this end, a first aqueous solution containing at least one metal from the group of actinides and lanthanides to be separated is placed in... | 10/23/2001 |
| 6171563 | Supported liquid membrane process for chromium removal and recovery The present invention is directed toward a two-step process for the removal and recovery of chromium from a feed solution, such as waste water, using supported liquid membranes (SLMs). In the first step of the process, the feed solution, which contains he... | 01/09/2001 |
| 6090352 | Multistage three-phase extractor The multistage three-phase extractor is provided with ports 7, 8 for the supply and ports 10, 11 for the removal of first and second dispersed phases and has contact stages 3 arranged one below the other, which each comprise two interconnected chambers 1,... | 07/18/2000 |
| 6086769 | Supported liquid membrane separation The present invention comprises a supported liquid membrane carrier liquid with a dielectric constant between approximately 20 and 32, more particularly between 22 and 28, and preferably about 24, and the use of that carrier liquid in a supported liquid m... | 07/11/2000 |
| 6075073 | Latices from emulsified hydrocarbon rubber solutions by membrane separation Rubbery polymers in hydrocarbon solutions are emulsified in aqueous liquids and converted to latices by partitioning the emulsion through a membrane of selective permeability to the hydrocarbon solvent relative to both water and the polymer, thereby remov... | 06/13/2000 |
| 6022727 | Method for forming reversible colloidal gas or liquid aphrons and compositions produced A method for forming gas or liquid aphrons with reversible surfactants or emulsifiers is described. Polymers which change their emulsifying properties upon change of pH, temperature or other condition are used to form the aphrons. The aphrons are useful f... | 02/08/2000 |
| 6001256 | Method of manipulating the chemical properties of water to improve the effectiveness of a desired chemical process The method of the present invention is adapted to manipulate the chemical properties of water in order to improve the effectiveness of a desired chemical process. The method involves heating the water in the vessel to subcritical temperatures between 100Â... | 12/14/1999 |
| 5993660 | Method of remediation of contaminants in porous media through minimization of bouyancy effects A method for controlling vertical migration of contaminants in an aquifer includes introduction of a solubilizing solution having a surfactant and an alcohol or other light co-solvent. The surfactant is selected to solubilize the contaminant. The alcohol ... | 11/30/1999 |
| 5980749 | Inclusion methods for purifying a solvent Disclosed are methods for purifying solvents, by causing contaminants to be included within layers of dispersed layered materials, and then separating the restacked combined contaminant/layered material from the solvent. The methods may be utilized to rem... | 11/09/1999 |
| 5926687 | Crown calix |4| arenes, their preparation process and their use for the selective extraction of cesium and actinides The invention relates to crown calix|4|arenes, their preparation process and their use for the selective extraction of cesium and actinides. These crown calixl4larenes comply with the formula: ##STR1## in which R1 represents a group of for... | 07/20/1999 |
| 5868935 | Method and apparatus for extraction and recovery of ions from solutions A novel hollow fiber membrane-based synergistic extraction technique has been developed for removal and recovery of individual heavy metals from aqueous streams. This technique has a number of advantages over conventional solvent extraction, emulsion liqu... | 02/09/1999 |
| 5866087 | Calixarene derivatives, their preparation process and their use for extracting actinides and lanthanides The invention relates to novel calixarenes of formula: ##STR1## in which m is equal to 0 or 1, n is an integer from 2 to 8, with 4ࣘn(m+1)ࣘ8, R1 and R2, which can be the same or different, are alkyl or O-nitrophenoxyalkyl gro... | 02/02/1999 |
| 5770086 | Methods and apparatus using hydrogels The hydrogel-forming polymers are used as absorbents for collecting and concentrating solutions. A solution to be concentrated can be contained in a dialysis membrane, with the hydrogel-forming polymer, or mixture thereof, on the outer surface of the memb... | 06/23/1998 |
| 5744038 | Solvent extraction methods for delipidating plasma A separating device for extracting cholesterol from plasma uses a spinner to disperse plasma into an extracting solvent in the form of fine droplets to improve separation efficiency, thereby making it suitable for delipidating blood plasma. Blood plasma i... | 04/28/1998 |
| 5641462 | Continuous solvent extraction with bottom gas injection A method and apparatus for solvent extraction where the heavy and light phases are directed counter-currently into vertical mixing zones created by high-strength gas jets injecting gas up through the liquids to create an emulsion plume between the two liq... | 06/24/1997 |
| 5607591 | Bis-crown calix [4]arenes, their preparation process and their use for the selective extraction of cesium and actinides The invention relates to bis-crown calix[4]arenes, their preparation process and their use for the selective extraction of cesium and actinides. Bis-crown calix[4]arenes are in accordance with the formula: ##STR1## in which R1 and R2 | 03/04/1997 |
| 5593593 | Process for removing sulfate anions from waste water A liquid emulsion membrane process for removing sulfate anions from waste water is disclosed. The liquid emulsion membrane process includes the steps of: (a) providing a liquid emulsion formed from an aqueous strip solution and an organic phase that conta... | 01/14/1997 |
| 5580452 | Moving liquid membrane modules The present invention relates to an improved design for a moving liquid membrane module. In one embodiment, the tubular or hollow fiber module, at least one tubular or hollow fiber element is contained within a housing. This element comprises an inner tub... | 12/03/1996 |
| 5578212 | Chiral selector useful for separation of enantiomers of ଲ-amino alcohol compounds The present invention relates to the separation of ଲ-amino alcohol compounds, particularly compounds known as ଲ-blockers, by employing what is known as a chiral selector compound which can achieve separation of enantiomers without requiring de... | 11/26/1996 |
| 5525232 | Method for entrapment of cationic species in lemellar vesicles Methods are disclosed for entrapment of a cation in a vesicle having a membrane and an acidic aqueous compartment comprising contacting the vesicle with a buffer solution comprising the cation and a lipophilic, carboxylic ionophoretic antibiotic capable o... | 06/11/1996 |
| 5512180 | Extracting organic compounds from aqueous solutions A process for removing dissolved organic compounds from an aqueous solution wherein said solution is contacted with a water insoluble, liquid oligomeric or polymeric poly(amphiphilic) compound having an affinity for said organic compound.... | 04/30/1996 |
