Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8181792 | Process of forming multilayered structures The present invention provides for a method of producing an integral multilayered porous membrane by simultaneously co-casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath ... | 05/22/2012 |
| 8132676 | Hydrophilic, high protein binding, low fluorescence, western blotting membrane Hydrophilic membrane particularly suited for blotting applications, preferably Western blotting. A pre-wet hydrophobic membrane substrate, preferably made of PVDF, is contacted with a monomer solution and subjected to a UV-initiated free radical polymerization step ... | 03/13/2012 |
| 8061532 | Process of forming multilayered structures The present invention provides for a method of producing an integral multilayered porous membrane by simultaneously co-casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath ... | 11/22/2011 |
| 8011517 | Composite membranes with performance enhancing layers A composite membrane includes a filtration membrane with a surface; and a layer on the surface of the filtration membrane. The layer includes a polymer including a poly(ethylene glycol) moiety cross-linked with an ammonium salt or a precursor of an ammonium salt. | 09/06/2011 |
| 7992724 | Flat membrane element and regeneration method thereof To reuse support plate and to fix a membrane sheet by the same method both in a new product manufacturing and in regeneration. In a flat membrane element including a deposit fixed portion formed by lapping a membrane sheet performing solid-liquid separation onto a s... | 08/09/2011 |
| 7971729 | Separation membrane complex, and method for manufacturing the separation membrane complex A separation membrane complex where a carbon membrane is formed directly on a porous body (surface layer) and an intermediate layer has a thickness of 10 to 100 μm can be used as a filter having improved flux and selectivity in comparison with a conventional one. | 07/05/2011 |
| 7909177 | Braid-reinforced composite hollow fiber membrane A braid-reinforced composite hollow fiber membrane is disclosed. The braid-reinforced composite hollow fiber membrane comprising a reinforcing material of a tubular braid and a polymer resinous thin film coated on the surface of the tubular braid is characterized in... | 03/22/2011 |
| 7891500 | Process of forming multilayered structures The present invention provides for a method of producing an integral multilayered porous membrane by simultaneously co-casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath ... | 02/22/2011 |
| 7891499 | Carbon membrane laminated body and method for manufacturing the same A carbon membrane laminated body includes: a porous substrate, a first porous carbon membrane as a carbon membrane underlayer disposed on a surface of the porous substrate, and a second porous carbon membrane as a carbon membrane separation layer disposed on a surfa... | 02/22/2011 |
| 7861869 | Reinforced capillary membranes and process for manufacturing thereof A process for manufacturing asymmetric braid reinforced capillary ultra- or micro-filtration membranes (1), including the subsequent steps of pulling a tubular braid (5) through a spinneret (7) and coating the braid with a dope. Prior to the coa... | 01/04/2011 |
| 7669719 | Membrane structure and method of making A membrane structure is provided. The membrane structure includes a first layer having a plurality of pores; and a second layer disposed on, the first layer. The second layer has a plurality of unconnected pores. At least a portion of the plurality of unconnected po... | 03/02/2010 |
| 7665615 | Composite article having hydrophilic properties and method of manufacture A composite article includes a base material and a porous membrane laminated with the base material. The porous membrane has hydrophobic properties and includes at least one of expanded polytetrafluoroethylene, woven polytetrafluoroethylene, and non woven polytetraf... | 02/23/2010 |
| 7648034 | Coated membranes and other articles The present invention provides porous media or membranes having a surface coating that includes a cross-linked terpolymer which has a superior combination of properties, including heat stable biomolecule resistant adsorptive properties, resistance to strong alkaline... | 01/19/2010 |
| 7641054 | Composite semipermeable membrane, production process thereof, and element, fluid separation equipment and treatment method for boron-containing water using the same A composite semipermeable membrane, which comprises a separating functional layer comprising a reactant of polyfunctional amine with polyfunctional acid halide, wherein a water-soluble organic material is in contact with the separating functional layer, and the sepa... | 01/05/2010 |
| 7635062 | Composite membrane A composite article, in an exemplary embodiment, includes a porous membrane formed from a first material, a coating formed from a second material applied to at least a portion of the porous membrane, and a third material covering at least a portion of the porous mem... | 12/22/2009 |
| 7631768 | Membrane and associated method Provided is a fluorine substituted oligomeric or polymeric ester including the reaction product of a fluorine substituted acrylate or a fluorine substituted methacrylate; an unsaturated anhydride; and an alkyl acrylate or an alkyl methacrylate. Also provided is a me... | 12/15/2009 |
| 7614505 | Ceramic filter and regenerating method thereof A ceramic filter includes a porous base member formed of a ceramic porous body, a carbonaceous membrane formed on the porous base member, and an inorganic separation membrane formed on the carbonaceous membrane. According to a method for the ceramic filter for reuse... | 11/10/2009 |
| 7604130 | Flat membrane element and regeneration method thereof To reuse support plate and to fix a membrane sheet by the same method both in a new product manufacturing and in regeneration. In a flat membrane element including a deposit fixed portion formed by lapping a membrane sheet performing solid-liquid separation onto a s... | 10/20/2009 |
| 7604129 | Lyotropic liquid crystal nanofiltration membranes The invention provides composite nanofiltration membranes (FIG. 5) with lyotropic liquid crystal (LLC) polymer porous membranes (30) attached to a porous support (20). The LLC membranes are prepared from LLC monomers which form the inverted hexa... | 10/20/2009 |
| 7584860 | Hydrophilic body and method of manufacture A hydrophilic body includes a porous membrane with hydrophobic properties. The porous membrane includes at least one of expanded polytetrafluoroethylene, woven polytetrafluoroethylene, and non woven polytetrafluoroethylene. A coating is formed on at least a portion ... | 09/08/2009 |
| 7490725 | Reverse osmosis membrane and process A reverse osmosis membrane, and methods for making and using the membrane. The membrane has a continuous, defect-free, non-porous, hydrophilic coating that reduces the susceptibility to fouling. ... | 02/17/2009 |
| 7484626 | Water nano-filtration device A water filter includes a porous support characterized by a mean porosity in the range of 20 to 50% and a mean pore size of 2 to 5 μm; and a carbon filter medium membrane disposed thereon which is characterized by a mean particle size of no more than 50 μm and a m... | 02/03/2009 |
| 7441666 | Process for producing an asymmetric porous film It is intended to provide asymmetric porous films which are usable in blood dialysis, plasma separation, etc. and particularly excellent in the performance of selectively separating (fractionating) plasma protein, show little endogenous coagulation, complement or qu... | 10/28/2008 |
| 7438193 | Nanoporous membrane and method of fabricating the same Provided are a nanoporous membrane and a method of fabricating the same. The nanoporous membrane includes a support, and a separation layer including a plurality of nano-sized pores at a density of 1010/cm2 or greater and a matrix. The nanoporo... | 10/21/2008 |
| 7431838 | Gas/ion species selective membrane support by multi-stage nano-hole array metal structure An improved two-step replication process for fabrication of porous metallic membranes is provided. A negative of a porous non-metallic template is made by infiltration of a liquid precursor into the template, curing the precursor to form a solid negative, and removi... | 10/07/2008 |
| 7419525 | Filter and method of making A filter, comprising: a plurality of individual elongated members arranged into a configuration, each of the plurality of elongated members having an internal cavity extending completely therethrough, the plurality of individual elongated members being formed from a... | 09/02/2008 |
| 7410066 | Filter for selectively eliminating leukocytes It is intended to provide a filter for selectively removing leukocytes whereby leukocytes can be selectively and efficiently removed without worsening in the performance due to sterilization while causing little elution and minimizing loss in platelets. Namely, a fi... | 08/12/2008 |
| 7410065 | Membrane for the separation of material mixtures and method for production thereof The invention relates to a membrane for the separation of material mixtures by the principle of vapor permeation or pervaporation, in particular for the dewatering of organic solvents, comprising at least one support layer and at least one material-selective separat... | 08/12/2008 |
| 7407742 | Plasma or serum separator, plasma or serum sampling method, plasma or serum separating method, test carrier and glass fiber Provided are a plasma or serum separator and a plasma or serum sampling method capable of isolating plasma or serum with good efficiency from a small amount of blood without using a centrifuge and without causing leakage of a blood cell component or hemolysis, and i... | 08/05/2008 |
| 7393391 | Fabrication of an anisotropic super hydrophobic/hydrophilic nanoporous membranes Anisotropic hydrophobic/hydrophilic nanoporous membranes and methods of forming anisotropic hydrophobic/hydrophilic nanoporous membranes are disclosed. The method of forming the nanoporous membrane includes growing a nanoporous oxide film on a substrate. A nanoporou... | 07/01/2008 |
| 7381331 | Hydrophilic membrane and associated method A membrane is provided, which may include a microporous base membrane; and a cross-linkable coating disposed on a surface of the membrane. The coating may include polyvinyl nucleophilic polymer and a urethane or a blocked isocyanate. The coating may be cross-linked.... | 06/03/2008 |
| 7378020 | Fluoropolymer membrane A porous fluoropolymer membrane comprising a first surface, a second surface, nodes and free fibrils, wherein one of the first and second surfaces has a greater number of free fibrils per unit area of the surface than the other of the first and second surfaces, is d... | 05/27/2008 |
| 7371256 | Composite vascular constructs with selectively controlled properties This invention deals with a composite vascular construct, which is formed of a first, blood contacting component and a second, tissue contacting component. Preferably, the present vascular constructs are in the form of a vascular patch or vascular graft with surface... | 05/13/2008 |
| 7371666 | Process for producing luminescent silicon nanoparticles A process for producing brightly photoluminescent silicon nanoparticles with an emission spanning the visible spectrum is disclosed. In one aspect, the process involves reacting a silicon precursor in the presence of a sheath gas with heat from a radiation beam unde... | 05/13/2008 |
| 7370766 | Filter cloth and replaceable filter module A filter cloth whose underside comprises substantially parallel, additional yarns 8 that are thicker than the rest of the yarns of the cloth, substantially parallel channels 9 being formed between the yarns, wherein filtered liquid passed through the c... | 05/13/2008 |
| 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 |
| 7364660 | Porous membrane A polyamide having an equilibrium water absorption of not more than 10% is used as a main material. As a polyamide having an equilibrium water absorption of not.more than 10%, for example, a polyamide comprising a dicarboxylic acid component comprising 60-100 mol % ... | 04/29/2008 |
| 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 |
| 7354480 | Stent mandrel fixture and system for reducing coating defects A stent mandrel fixture for supporting a stent during the application of a coating substance is provided. ... | 04/08/2008 |
