Matches 51 - 100 out of 205 < 1 2 3 4 5 >
Match Document Document Title
6416672 Removal of dissolved and colloidal silica  
Small amorphous silica particles are used to provide a relatively large surface area upon which silica will preferentially adsorb, thereby preventing or substantially reducing scaling caused by...
6407212 Method for the removal of causative agent(s) of transmissible spongiform encephalopathies from protein solutions  
For separating non-conventional transmissible agents (NCTAs), i.e. causative agent(s), of transmissible spongiform encephalopathies (TSEs) from a solution of a protein susceptible to contamination...
6365147 Methods for removing endotoxins from biological solutions using immobilized metal affinity chromatography  
The present invention relates to methods for depleting endotoxin from biological solutions by exposure of solutions containing endotoxin to an immobilized metal affinity chromatography matrix...
6340427 Solution purification method for electrolyte  
A solution purification method for an electrolyte comprising the steps of dividing a chelate resin having a volume corresponding to the quantity of Sb and Bi to be adsorbed into a plurality of...
6322704 Radial-flow fluidizable filter  
6265615 Chiral recognition polymer and its use to separate enantiomers  
A new polymeric material, a process for forming the material and method of using the material to separate enantiomers of chiral compounds, particularly amino acids and pharmaceuticals are...
6265224 Sample processing method using ion exchange resin  
The present invention relates to methods in which ion exchange resins are used to reduce the amount of substances which interfere with nucleic acid hybridization in samples. The methods also...
6261458 System for alternately merging at least four fluids and its application in a separation process in a simulated moving bed  
A system that makes it possible to merge at least four fluids with a column for separating a feedstock, for example, in a simulated moving bed, comprises at least one trunnion-mounted ball valve,...
6248798 Anion-exchange resins including ion-exchange groups with at least two nitrogen groups, and methods of making and using same  
Anion-exchange compositions are provided comprising anion-exchange functional groups comprising at least a first and a second nitrogen group, wherein the first nitrogen group is a quaternary amine...
6203708 Ion exchange resin  
An ion exchange resin comprising an ion exchange material dispersed or distributed throughout a polyurethane matrix. The ion exchange material is typically a second polymer which has been...
6200479 Phenolic resin purification  
The invention is for a process of removing acid salt contaminants from a resin solution. The process comprises providing an organic solution of a phenolic resin having a portion of its phenolic...
6177513 Method for evaluating artificial receptors  
A method for evaluating an artificial receptor includes subjecting a functional monomer and a crosslinker in the presence of a template substance in a vessel into polymerization, thereby forming a...
6162648 Purification of Indium 111  
Undesirable metal cation contaminants, including cadmium, can be removed from a solution containing Indium-111, on a bed of an anion exchange resin. The thus purified solution can be stored and...
6106723 Method for removing pyrogens from dialysate  
A new method is described to produce large volumes of low cost water for injection directly from potable water in order to meet the needs of hemodialysis and other biological applications for...
6103111 Tourmaline composite grains and apparatus using them  
Tourmaline fine powders are mixed with glass powders having melting point between 500° C. and the transition temperature of tourmaline, and the grains are formed from the mixture and sintered at a...
6074541 Preformed polymer coating process and product  
A method of coating a solid support (e.g. a capillary or chromatography packing) to alter the properties of the support surface for separating components in a fluid stream. The method comprises (a)...
6060525 Removal of borate in chromatography  
A chromatographic composition for the selective binding of borate ion comprising support resin particle and polymers containing covalently bonded borate binding carbohydrates wherein said...
6057377 Molecular receptors in metal oxide sol-gel materials prepared via molecular imprinting  
A method is provided for molecularly imprinting the surface of a sol-gel material, by forming a solution comprised of a sol-gel material, a solvent, an imprinting molecule, and a functionalizing...
6048459 Method and apparatus for fluidization of particulate bed materials  
A method for fluidization of a particulate bed material in a fluidized bed reactor with an upflow of fliud being treated, wherein a step of recycling said treated fluid is provided and further...
6043067 Distributing liquid in a fluid bed reactor into turbulent and non-turbulent zones  
In a vertical down-flow fluid bed reactor, suspended particles in liquid proximal to an inlet in an uppermost part of the reactor are agitated to form a downward extending turbulent zone having...
6039946 Extracorporeal affinity adsorption devices  
6036861 Protein adsorption by very dense porous zirconium oxide particles in expanded beds  
Porous Zirconia particles of specific gravity of 2.5-3.5 g/cm 3 and mean particle sizes of 30-400 μm can be synthesized using oil emulsion methods from colloids and used for protein adsorption in...
6030704 Granular materials comprising inorganic silicon-containing material  
A granular material for the sorption of organic material comprises granules of an inorganic silicon-containing material having negatively charged sites and having an average granule size of at...
6015491 Apparatus for pressure equalization and flushing in a vessel  
An apparatus for equalising pressure and flush in a vessel (1) has a chromatographic separation chamber (5), a distribution plate (3) or collection plate located in the vessel, a pressure...
5976761 Fractionation of phenol formaldehyde condensate and photoresist compositions produced therefrom  
A process for producing a water insoluble, aqueous alkali soluble, film forming novolak resin having low metal ions, made by the fractionation of a phenol formaldehyde condensation product, a...
5944905 Method and apparatus for performing a continuous reaction with at least one liquid phase and at least one solid catalyst in a pulsed column  
A method and an apparatus for performing a continuous reaction with at least one liquid reaction phase incorporating at least one starting compound in the presence of at least one solid-phase...
5935442 Liquid fluid bed chromatography using conglomerates of controlled density  
A fluidized bed chromatographic process for the purification and binding of molecules in a liquid to an active substance covalently bound to chromatographic adsorbent particles. The adsorbent...
5928518 Cross-flow filtration process for separating organic compound by adsorption on inorganic solids  
Process for separating and/or isolating organic compounds which are soluble in water, some of which are adsorbed on finely divided inorganic solids, by adsorption of this fraction and isolation of...
5917010 Preparation process of aliphatic polyester  
The invention relates to a preparation process of aliphatic polyester, comprising using an ion exchange resin as a drying agent and after the dehydration polycondensation reaction, regenerating and...
5895796 Ion adsorbent  
By using a polymer containing a dichloroethylene structure derived from a vinylidene chloride monomer in the molecule in place of an unsaturated polyester and an urethane resin, there can be...
5885462 Process for reducing the concentration of multivalent cations in aqueous solutions  
The process consists in passing the liquid to be purified and a superabsorbent, preferably of polyacrylic type, through a column, the upward speed of the liquid being chosen such that, in the...
5820762 Filter insert for a storm drain  
An insert for a storm drain or sanitary sewer inlet such as are found in factory or warehouse floors, parking lots and car washes in which the insert holds one or more bags of filter media. The...
5817239 Method of removing heavy metal ions from a liquid with chemically active ceramic compositions with an hydroxyquinoline moiety  
A composite material useful for removing heavy metal ions from solutions such as aqueous waste streams comprises a ceramic inorganic support such as silica gel which is covalently bonded, through a...
5800710 Method and apparatus for the biochemical purification of a liquid medium  
A method and apparatus for the biochemical purification of a contaminated liquid medium, in which the liquid medium is passed through granular filter material provided in a holder and in which the...
5788842 Biomass separation apparatus and method  
A separator for use with a fluidized-bed bioreactor. A lift draws a slurry of liquid, media and biomass from the fluidized bed. A biomass discharge is connected to the lift and located above the...
5770089 Water treatment method using tourmaline  
An apparatus and method using fine tourmaline crystals is provided which is capable of creating an interfacial purifying activity in water. The inventor is the first to discover that tourmaline...
5759793 Method for mammalian cell separation from a mixture of cell populations  
The invention provides a method for both the positive and negative selection of at least one mammalian cell population from a mixture of cell populations utilizing a magnetically stabilized...
5750028 Biomass separation apparatus and method with media return  
A separator is provided for use with a fluidized-bed bioreactor. A lift draws a slurry of liquid, media and biomass from the fluidized bed. A biomass discharge is connected to the lift for...
5746921 Fluidized bed aquarium filtration method  
An aquarium filter for removing chemical and physical waste from an aquarium. The filter includes a fluidized bed of particles, such as sand, for removing ammonia from the water. The filter can...
5690832 Chemically active ceramic compositions with a phospho-acid moiety  
Novel composite materials useful for removing heavy metal ions from solutions, such as aqueous waste streams, comprise an inorganic ceramic support, such as silica gel, having terminal hydroxy...
5660984 DNA isolating apparatus comprising a non-porous DNA binding, anion exchange resin and methods of use thereof  
This invention relates to isolating a DNA sample from a heterogeneous mixture of the DNA and other compounds. The invention relates in particular to isolating a plasmid DNA sample from a cleared...
5632887 Fluidized bed aquarium filter  
An aquarium filter for removing chemical and physical waste from an aquarium. The filter includes a fluidized bed of particles, such as sand, for removing ammonia from the water. The filter can...
5626764 Continuous multicomponent focusing in a magnetically stabilized fluidized bed  
A device, and process, for continuously separating dissolved solutes and suspended particles from a multicomponent fluid phase in a magnetically stabilized fluidized bed (MSFB). The process is of...
5624880 High density high surface area adsorbents  
A particulate adsorbent is the crosslinked polymerization product of a brominated vinyl aromatic monomer and a crosslinking monomer and exhibits a density greater than or equal to about 1.01 grams...
5616691 Process for producing albumin preparation  
The process for producing the albumin preparation of the present invention comprises treating an aqueous albumin solution with an anion exchanger and a cation exchanger and subjecting the solution...
5554294 Method for dissolving sludge and recovering constituents therefrom  
The present invention provides a method for dissolving slightly soluble sludge which is produced during chemical conversion coating of metal, which comprises agitating the sludge in an aqueous...
5543055 Purifications of flourinated dimethyl ethers  
A process for the purification of bis(difluoromethyl)ether. Bis(difluoromethyl)ether is exposed to molecular sieves in order to reduce or completely remove impurities. In a further embodiment, the...
5538641 Process for recycling laden fluids  
Described is a method to recycle laden fluid containing explosives or neutralized chemical agents. For example, the explosive laden fluid is passed through four filtering stages; a clarifier, a...
5534153 Continuous fluidized-bed contactor with recycle of sorbent  
A continuous fluidized-bed contactor containing sorbent particles is used to remove solutes from liquid solvents. As the sorbent particles, for example gel beads, sorb the solute, for example metal...
5527455 Fluidized bed biological filter system for fish tanks  
A fluidized bed biological filter system for fish tanks having a housing having a top wall, a bottom wall, and surrounding side walls that form a water filtering chamber. An inner tubular member...
Matches 51 - 100 out of 205 < 1 2 3 4 5 >