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7575688 |
Apparatus and method for removing sulfur containing compounds from a post-refinery fuel stream
Disclosed are fuel filters and process for removing sulfur-containing compounds from a post refinery fuel stream. In one embodiment, the disclosed process requires passing the post refinery fuel...
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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...
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7378037 |
Organotin compound treatment
To treat an organotin compound in a liquid at low cost. Addition of iron oxide into a liquid containing an organotin compound allows trapping of the organotin compound in the liquid by the iron...
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7179382 |
Coated activated carbon for automotive emission control
A method for avoidance of attrited carbon dust is disclosed to lead to improved canister performance in emission control. Product attrition by dusting of granular and shaped activated carbons is...
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7157002 |
Process for the recovery of surfactants
The present invention relates to a method for recovering a surfactant from a water-carbon dioxide system comprising at least one type of surfactant, water and carbon dioxide, the method comprising...
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7132110 |
Tissue repair compositions and methods for their manufacture and use
An osteogenic composition is prepared by a process including the steps of subjecting demineralized bone to an extraction medium to produce an insoluble extraction product and a soluble extraction...
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6911150 |
Reuse of used cooking oil adsorbants
A method for treatment of organic-based material comprising contacting the organic-based material with solid waste material from the treatment of cooking oils. The treatment may comprise a clean-up...
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6803183 |
Method for removing pyrogens from plasma and blood for treatment of septic shock
In general, a method for removal of pyrogens from plasma or blood according to the present invention comprises: (1) passing the biological fluid through a resin comprising two components: (a) a...
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6790934 |
Method for purification of aromatic polyethers
Aromatic polyethers are prepared by displacement polymerization reaction in the presence of a water-immiscible solvent with boiling point at atmospheric pressure of greater than 110° C. and a...
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6736958 |
Ion sensing method
The present invention allows the determination of trace levels of ionic substances in a sample solution (ions, metal ions, and other electrically charged molecules) by coupling a separation method,...
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6710204 |
Decreasing method of N-oxyl compound
There is provided a superior decreasing method of an N-oxyl compound contained in an easily polymerizable material, according to which the N-oxyl compound contained in an easily polymerizable...
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6642350 |
Method of purifying bishydroxyalkyl terephthalate
A container made of, e.g., polyethylene terephthalate is pulverized and decomposed in the presence of a catalyst by the use of a solvent such as an alcohol or glycol to obtain crude bishydroxyalkyl...
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6613895 |
System and methods for the rapid isolation of nucleic acids
The present invention contemplates a system for rapidly isolating nucleic acids. The system comprises an insoluble silica matrix and a buffered aqueous salt solution containing salt at a...
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6562238 |
Method and apparatus for controlling counter current
In a multistage counter current wash operation wherein an original solvent contained in a cake of polymeric material is displaced with a wash solvent which enters the final stage and progresses...
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6106773 |
Pathogen inactivating compositions for disinfecting biological fluids
The present invention is directed to pathogen inactivating compositions that can be used to disinfect various biological fluids, such as blood, blood fractions, and the like. The compositions are...
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6043405 |
Formulation for neutralization of formaldehyde and method of using and disposing of the same
A method and treatment composition for neutralizing formaldehdye. The treatment composition contains polyethylenimine, urea and an acid having a pH of less than 6. Treatment of formaldehyde...
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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...
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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...
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5858641 |
Disinfectant dye removal from blood and blood fractions using a porous poly(vinyl alcohol-acetal) copolymer
A process for removing disinfectant dye such as methylene blue from blood, a liquid blood fraction or other perishable liquid to which disinfectant dye has been added. The process employs a filter...
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5846404 |
Process for the removal of selenium from selenium-containing aqueous streams
A selenium-containing aqueous stream may be used as a quenching water stream and optionally a cutting water stream in a delayed coking process to effectuate the removal of selenium from the...
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5674496 |
Animal repellent
A substance and method for minimizing or eliminating damage to objects caused by animals, especially gnawing and chewing rodents. A wide variety of objects and items can be protected by the...
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5658462 |
Process for recovering protein, fatty and water components from a float material produced by a waste water treatment system
A process for recovering protein, fatty and water components from a float material produced by a waste water treatment system, wherein the protein and fatty components can be further processed for...
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5635349 |
High-throughput screening assay for inhibitors of nucleic acid polymerases
The invention provides promoter specific and promoter non-specific screening assays for identifying an inhibitor of a pathogenic nucleic acid polymerase activity, e.g. an RNA polymerase derived...
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5521164 |
Method for the preparation and purification of a mixture of glycosphingolipids free from contamination by non-conventional viruses
The process of the invention relates to a process for the preparation of a ganglioside mixture, free from contaminants associated with non-conventional, life-threatening viruses, without altering...
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5512176 |
Desalination process
Polyurethane polymers useful as hydrogels wherein the polyol is a specific polyol of block copolymers and a method for desalination of water.
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5174966 |
Laboratory device and method for treating rock samples
A laboratory device and method are adapted to subject a same rock sample to successive liquid treatments without any intermediary handling of the sample. The device combines a chamber comprising a...
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5147646 |
Hydrogel containing envelopes
An envelope having flexible water-permeable or porous walls contains a quantity of particulate water-insoluble hydrogel. The quantity of hydrogel in the envelope is such that, when the hydrogel is...
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5099079 |
Process for separating acid from nitro substituted aromatics using a molten nitrate salt
Described herein is a process for separating an acid impurity from a solution containing acid and a nitro substituted aromatic compound by contacting the solution with at least one molten nitrate...
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5049256 |
Recovery of hydrocarbons from acid sludge
Hydrocarbons are recovered from acid sludge by mixing the sludge with methyl ethyl ketone and base. A hydrocarbon-rich methyl ethyl ketone stream and a solids-containing stream are separated from...
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4747948 |
Parallel plate extractor system and method for using same
An improved extraction apparatus comprises (a) an elongated trough-like vessel; (b) first and second inlets for introducing relatively heavy and light materials, respectively, into the vessel; (c)...
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4705635 |
Process for enriching and separating oxides of heavy hydrogen isotopes from acid, aqueous solutions or other aqueous streams
A process for the enrichment and separation of oxides of heavy hydrogen isotopes from acid, aqueous solutions or other aqueous streams employs macrocyclic aminopolyether (APE) and organic cation...
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4592779 |
Method for recovering precious metals from precious metal-bearing materials such as ore and tailings
A method for recovering precious metals such as gold and silver from precious metal-bearing materials that include other solids comprises treating the precious metal-bearing materials with an...
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4585548 |
Recovery of metal values from mineral ores by incorporation in coal-oil agglomerates
Gold ore, or any other mineral treated to have a lyophilic surface, (e.g. chalcopyrites), is ground into a slurry in crusher (1) powdered coal and oil are added at location (2), and the mix is...
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4519914 |
Method for treating swimming pool water
For water treatment in swimming pools, cooling towers, hot tubs, and other systems it is desired to feed various chemicals in small quantities but at optimum rates into the system. In several...
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4477353 |
Method of reclaiming water and coal from coal treatment underflow by two-stage separation of solids
Both water and carbonaceous material are reclaimed from an aqueous slurry of particles of coal that contains both carbonaceous and non-carbonaceous materials, the slurry being comprised of at least...
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4193856 |
Use of electrofilter as an extraction column
The use of an electrofilter as an extraction column and/or as an extraction column-filter combination is disclosed. Solvent-extractible solids positioned in an electrically activated electrofilter...
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RE30179 |
Common ion effect to assist LM separation
The instant invention relates to an improvement in the liquid membrane process for removing soluble materials from solution. More specifically, in a process wherein soluble materials are removed...
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4057486 |
Separating organic material from tar sands or oil shale
Tar sands and like mineral solids-plus petroleum deposits are separated into a petroleum fraction and a solids fraction by contacting with an organic solvent or diluent (in one or more stages) to...
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4039489 |
Oil and fat absorbing polymers
A polymer system and resulting method useful for absorbing fats or oils which comprises forming a solid, network polymer having a minimal amount of cross-linking. The polymer that remains solid at...
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4038181 |
Process for dewatering sewage sludge
A process for dewatering sewage sludge having a water content on the order of 75% to 95% and previously untreated for the release of such water. The sludge is mixed with a chemical selected from...
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4022708 |
Method of preparation for storage of liquids used in the reprocessing of spent nuclear fissile and/or fertile materials
A method of preparation for non-polluting storage of liquids containing phosphoric acid ester and hydrocarbons used in the reprocessing of spent nuclear fissile and/or fertile materials. The...
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3856668 |
METHOD FOR TREATMENT OF COAL WASHERY WATERS
Coal washery waste waters are clarified in a two-step process in which coal particles are first agglomerated and removed from the water. Thereafter, the inorganic mineral constituents contained in...
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3485592 |
EXTRACTING SILICEOUS MATERIAL FROM AN AQUEOUS DISPERSION WITH AN AMIDOAMINE MINERAL ACID SALT
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3452110 |
METHODS OF TREATING USED DRY CLEANING SOLVENTS
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3451926 |
SOLVENT EXTRACTION PROCESS
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3450508 |
EXTRACTION OF SALTS FROM SALINE WATER USING DIMETHYLSULFOXIDE
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3438893 |
DESALINATION OF WATER WITH THERMALLY REVERSIBLE WATER-SWELLABLE RESINS
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3415746 |
Method for extracting salt from sea water
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3350298 |
Process for the recovery of water from saline solutions
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3276995 |
Process for the removal of dispersed carbon particles from an aqueous media
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