Quotables
"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "
Mark Twain ; Christmas greetings, 1890
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| Number | Title | Issue Date |
| 8167143 | Desalination devices and systems using porous hydrophobic hollow fibers and hydrophobic porous coatings DCMD and VMD systems and methods for use in desalination applications are provided. The DCMD and VMD systems employ coated porous hydrophobic hollow fiber membranes. The coatings advantageously function to essentially eliminate pore wetting of the membrane, while pe... | 05/01/2012 |
| 8136675 | Perm selective asymmetric hollow fibre membrane for the separation of toxic mediators from blood The present invention relates to a permselective asymmetric hollow fibre membrane for the separation of toxic mediators from blood, comprised of at least one hydrophobic polymer and at least one hydrophilic polymer. Further, the present invention relates to a proces... | 03/20/2012 |
| 8118176 | Membrane unit element, semipermeable membrane, filtration device, and processes for manufacturing the same The object of the invention is a unit element forming a membrane comprising a semi-permeable material able to separate in two compartments a filtration device for extracorporeal treatment of a fluid such as blood or plasma, said material being negatively charged, sa... | 02/21/2012 |
| 8104624 | Preparation of high performance ultra filtration hollow fiber membrane A multipolymeric mixture is provided that includes a hydrophobic polymer, two different grades of a water-soluble polymer, water as non-solvent and a solvent suitable for all polymers involved. The dissolved hydrophobic polymer has the affinity to enmesh the water-s... | 01/31/2012 |
| 8070964 | Modified substrate and process for production thereof The present invention is characterized in that a base material comprises ester groups in the main chain and/or in the side chain(s), and comprises a polymer having hydrophobic groups. Particularly, the hydrophobic groups can be introduced by irradiating the base mat... | 12/06/2011 |
| 8051991 | Plasma separation membrane A process for manufacturing of an asymmetric hollow fiber membrane, comprising the steps of extruding a polymer solution through the outer ring slit of a hollow fiber spinning nozzle, simultaneously extruding a center fluid through the inner bore of the hollow fiber... | 11/08/2011 |
| 8042695 | External pressure type hollow fiber membrane module An external pressure type hollow fiber membrane module, comprising a hollow fiber membrane bundle formed of a plurality of hollow fiber membranes, a housing, and an inlet/outlet nozzle for fluid, wherein hollow fiber membranes are fixedly adhered to each other and t... | 10/25/2011 |
| 8025158 | High molecular weight poly(2,6-dimethyl-1,4-phenylene ether) and process therefor A poly(2,6-dimethyl-1,4-phenylene ether) having a high molecular weight and a reduced content of low molecular weight species can be prepared by a method that includes specific conditions for the oxidative polymerization, chelation, and isolation steps. The poly(2,6... | 09/27/2011 |
| 7950528 | Hollow fiber membrane and method for manufacturing the same The present invention relates to a through-one-end water collection type hollow fiber membrane and a method for manufacturing the same. According to the present invention, an internal sealing part is formed in the hollow part of the membrane at its free end. The int... | 05/31/2011 |
| 7931154 | Plasma separation membrane A process for manufacturing of an asymmetric hollow fiber membrane, comprising the steps of extruding a polymer solution through the outer ring slit of a hollow fiber spinning nozzle, simultaneously extruding a center fluid through the inner bore of the hollow fiber... | 04/26/2011 |
| 7909178 | Porous membrane of vinylidene fluoride resin and process for producing the same A porous membrane, made of polyvinylidene fluoride which is excellent in fractionating capability, permeating capability and physical strength and suitable for use in water treatment such as water purification, preparation of drinking water, preparation of water for... | 03/22/2011 |
| 7837042 | Polysulfone type selectively permeable hollow fiber membrane module and process for manufacturing the same The invention relates to a hollow fiber membrane module comprising polysulfone type selectively permeable hollow fiber membranes which contain a polysulfone-based resin and a hydrophilic polymer as main components, wherein (A) the content of the hydrophilic polymer ... | 11/23/2010 |
| 7780014 | Porous water filtration membrane of vinylidene fluoride resin hollow fiber and process for production thereof A composition is formed by blending a vinylidene fluoride resin having a relatively high molecular weight and an improved crystallinity represented by a difference Tm2−Tc of at most 32° C. between an inherent melting point Tm2 and a crystallization ... | 08/24/2010 |
| 7735660 | Porous multilayered hollow fiber and filtration module, and method of manufacturing porous multilayered hollow fiber A porous multilayered hollow fiber for outer side pressed filtration is made of a multilayer comprising a supporting layer constituted of the thickness of an expanded porous polytetrafluoroethylene tube, and a filtration layer provided on the outer surface of the su... | 06/15/2010 |
| 7638052 | Polysulfone-based hollow-fiber membrane with selective permeability The present invention provides a polysulfone type hollow fiber membrane which is reliable in safety and stability of performance and is easily incorporated into a module, and thus can be suitably used in a highly water permeable blood purifier for use in a therapy o... | 12/29/2009 |
| 7585412 | Specialized hollow fiber membranes for plasmapheresis and ultrafiltration A plasmapheresis and/or ultrafiltration membrane comprises elongated hollow fibers each fiber having an interior lumen extending along the fiber length, the fiber wall having a plurality of zones between the inner and outer wall surfaces, each of the zones having a ... | 09/08/2009 |
| 7572374 | Anticoagulant and thrombo-resistant hollow fiber membranes for in-vivo plasmapheresis and ultrafiltration An in-vivo plasmapheresis or in-vivo ultrafiltration membrane comprises a plurality of elongated hollow microporous fibers each fiber having an outer wall, an inner wall and an interior lumen extending along the length thereof and defined by an inner wall surface, a... | 08/11/2009 |
| 7504034 | Hollow fiber membrane and method of producing the same A method of producing a hollow fiber membrane includes discharging a polyvinylidene fluoride solution comprising a polyvinylidene fluoride resin and a poor solvent at a temperature above a phase separation temperature into a cooling bath at a temperature below the p... | 03/17/2009 |
| 7442302 | Highly water-permeable blood purifier of hollow-fiber membrane type The present invention provides a highly water permeable hollow fiber membrane type blood purifier for medical use, which is excellent in safety and module-assembling ease and which has a high water permeability suitable for use in therapy of chronic renal failure. | 10/28/2008 |
| 7435348 | Pvc hollow filtration membrane and the preparation method thereof The present invention provides a polyvinyl chloride hollow filtration membrane, which mainly comprises the following components: 30-95 wt. % of polyvinyl chloride and 5-70 wt. % of vinyl chloride-vinyl acetate-maleic anhydride terpolymer, wherein the polymerization ... | 10/14/2008 |
| 7431754 | Artificial lung An artificial lung includes a housing, a tubular hollow fiber membrane bundle contained in the housing and providing a multiplicity of hollow fiber membranes having a gas exchange function, a gas inflow port and a gas outflow port communicating with each other throu... | 10/07/2008 |
| 7429343 | Process for producing polyolefin membrane with integrally asymmetrical structure Process for producing an integrally asymmetrical hydrophobic polyolefinic membrane with a sponge-like, open-pored, microporous support structure and a separation layer with a denser structure, using a thermally induced liquid-liquid phase separation process. A solut... | 09/30/2008 |
| 7410580 | Hollow fiber module The invention relates to a hollow fiber separation module comprising an inlet (20) for the gas to be dried, an outlet (22) for dried gas, an access element (26) and a discharge element (28) for circulation gas, and a plurality of hollow f... | 08/12/2008 |
| 7410582 | Hollow fiber filter for extracorporeal blood circuit A filter for an extracorporeal blood circuit including: a bundle of hollow fibers having an end section encased in a potting material, wherein the end section further comprises a stem of fibers and potting material and an annular disk of the potting material extendi... | 08/12/2008 |
| 7404843 | Gas separation membrane module assembly A gas-separation membrane module assembly and a gas-separation process using the assembly. The assembly includes a set of tubes, each containing gas-separation membranes, arranged within a housing. The housing contains tube sheets that divide the space within the ho... | 07/29/2008 |
| 7393483 | Process for production of poly(m-phenyleneisophthal-amide) porous hollow fiber membrane A polymetaphenylene isophthalamide porous hollow fiber membrane is produced by extruding a film-forming solution comprising polymetaphenylene isophthalamide, polyvinylpyrrolidone and an inorganic salt through a concentric double annular spinning nozzle while keeping... | 07/01/2008 |
| 7387730 | Hollow fiber membrane module, method of manufacturing the hollow fiber membrane module, and housing for hollow fiber membrane module In a hollow fiber membrane flat module according to the present invention, both ends of hollow fiber membrane bundle which are formed by bundling a plurality of hollow fiber membrane as a sheet are fixed to two housing separately by a fixing resin while maintaining ... | 06/17/2008 |
| 7378024 | Methods for improving filtration performance of hollow fiber membranes In accordance with the present invention, there are provided methods for improving performance of hollow fiber filtration membrane modules. Invention methods comprise a unique backwashing technique wherein the hollow fiber membranes within the module are pressurized... | 05/27/2008 |
| 7374673 | Channeled polymer fibers as stationary/support phases for chemical separation by liquid chromatography and for waste stream clean-up Polymer fibers having a novel cross-sectional geometry are used as stationary phase materials for liquid chromatography separations. Fibers of 20 to 50 micrometer diameters have surface-channel structures extending their entire lengths. Bundles of fibers having this... | 05/20/2008 |
| 7368505 | Graft copolymers This invention relates to methods of making graft copolymers, and articles having such graft copolymers. The methods may provide better control than in radicalization or photoinitiated polymerization techniques. For example, a graft copolymer can be prepared by reac... | 05/06/2008 |
| 7368526 | Functionalized porous poly(aryl ether ketone) materials and their use Functionalized porous poly(aryl ether ketone) articles are prepared by reacting ketone groups in the backbone of poly(aryl ether ketone) polymer with a primary amine reagent. Preferred functional primary amines are primary aliphatic amines or substituted hydrazines ... | 05/06/2008 |
| 7364659 | Preparation of asymmetric polyethylene hollow fiber membrane A porous polyethylene hollow fiber membrane having a pore-size gradient across the inner and outer surfaces thereof is prepared by introducing, during the cooling step of a melt-spun polyethylene hollow fiber, a nitrogen flow and a solvent having a boiling point in ... | 04/29/2008 |
| 7361272 | Anisotropic porous material The present invention is to provide an anisotropic porous material for a fluid filter which can perform a separation process of a large amount of fluid with high accuracy, which can achieve high flux, and which can improve detergent properties. The anisotropic porou... | 04/22/2008 |
| 7354392 | Structurally optimized hollow fiber membranes An elongated hollow microporous fiber comprises an inner wall surface defining an interior fiber lumen, an outer wall surface, and a microporous fiber wall therebetween, the fiber wall having one or more continuous, cohesive, elongated filaments embedded in the fibe... | 04/08/2008 |
| 7354515 | Fluid concentrator A concentrator is used for concentrating a fluid, particularly a plasma component out of blood, for treatment of a patient. The concentrator apparatus includes a main housing defining a centrifuge chamber, that also holds the filter. The concentrator allows viewing ... | 04/08/2008 |
| 7351338 | Porous membrane of vinylidene fluoride resin and process for producing the same There is provided a porous membrane of vinylidene fluoride resin which has pores of appropriate size and distribution and also excellent mechanical strength represented by tensile strength and elongation at break and is useful as a microfiltration membrane or a sepa... | 04/01/2008 |
| 7344645 | Methods of minimising the effect of integrity loss in hollow fibre membrane modules A method and apparatus for reducing the effect of integrity loss in a hollow fiber membrane module, said module including a plurality of hollow fiber membranes (5), at least one end of the fiber membranes (5) being supported in a pot (6), the me... | 03/18/2008 |
| 7323133 | Method for producing micromanufactured items in ceramic materials A method for producing ceramic micromanufactured items comprises the following stages: a starting material constituting at least a micromanufactured item (1) is prepared and used to from the micromanufactured item (1); said starting material includes a... | 01/29/2008 |
| 7311832 | Adsorption membranes, method of producing same and equipment, including the adsorption membranes The present invention relates to adsorption membranes comprising microporous polymer membranes in which adsorbent particles are incorporated. Furthermore, the present invention relates to a method of producing the inventive adsorption membranes as well as devices wh... | 12/25/2007 |
| 7311689 | Method and apparatus for peripheral vein fluid removal in heart failure A method and apparatus for ultrafiltration of blood operating by removing blood from a peripheral blood vessel at a rate of less than two percent of total cardiac output of a patient, extracting fluid at a rate of 0.1 liter to 1.0 liters per hour while retaining cel... | 12/25/2007 |
