Entries |
Document | Title | Date |
20090211965 | ARRANGEMENT FOR SPLICING PANELS TOGETHER TO FORM A CYLINDRICAL SCREEN - Panels of a filter screen have a plurality of rods and a plurality of wires. The rods are arranged parallel to one another in a first direction. The wires are arranged parallel to one another and are attached in a perpendicular direction to the rods. The rods have jointed ends with a tab and a bevel along one edge of the panels and have flush ends along an opposite edge of the panels. The panels are connected together edge to edge in an elongated sheet by adjoining the jointed and the flush ends of the rods and then welding a plurality of splice bars alternatingly between adjacent ones of the rods at the joints. The elongated sheet is then rolled into a cylindrical tier that can be used as a portion of a basket, centerpipe or other cylindrical screen for a radial flow process or the like. | 08-27-2009 |
20090230051 | FILTER CARTRIDGE - A filter cartridge ( | 09-17-2009 |
20100089818 | DEVICE FOR PURIFYING GASES, SUCH AS AIR IN PARTICULAR, OR LIQUIDS, SUCH AS WATER IN PARTICULAR - Device for purifying gases, such as air in particular, or liquids, such as water in particular, in which use is made of micro-organisms. The device comprises a chamber ( | 04-15-2010 |
20120031833 | SYSTEMS, COMPOSITIONS, AND METHODS FOR FLUID PURIFICATION - Disclosed herein are membranes comprising a substrate, a support layer, and a selective layer. In some embodiments the membrane may further comprise a permeable layer. Methods of forming membranes are also disclosed comprising forming a support layer on a substrate, removing adsorbed species from the support layer, preparing a solution containing inorganic materials of a selective layer, contacting the support layer with the solution, drying the membrane, and exposing the membrane to rapid thermal processing. Also disclosed are methods of fluid purification comprising providing a membrane having a feed side and a permeable side, passing a fluid mixture across the feed side of the membrane, providing a driving force for transmembrane permeation, removing from the permeate side a permeate stream enriched in a purified fluid, and withdrawing from the feed side a fluid that is depleted in a purified fluid. | 02-09-2012 |
20120118813 | FILTRATION MEMBRANE HAVING IMPROVED RESISTANCE TO ABRASIONS - The subject of the invention is a membrane for the cross-flow filtration of a fluid to be treated that contains abrasive particles, comprising a porous support covered over part of its surface with a separation layer having a pore diameter smaller than that of the support, over which the fluid to be treated flows, characterized in that the separation layer includes an agent for protection from the abrasive particles. | 05-17-2012 |
20120234748 | HIGH TEMPERATURE TREATED MEDIA - A thermally bonded filtration media that can be used in high temperature conditions in the absence of any loss of fiber through thermal effects or mechanical impact on the fiber components is disclosed. The filter media can be manufactured and used in a filter unit or structure, can be placed in a stream of removable fluid, and can remove a particulate load from the mobile stream at an increased temperature range. The combination of bi-component fiber, other filter media fiber, and other filtration additives provides an improved filtration media having unique properties in high temperature, high performance applications. | 09-20-2012 |
20120241371 | Membranes having aligned 1-D nanoparticles in a matrix layer for improved fluid separation - Membranes for fluid separation are disclosed. These membranes have a matrix layer sandwiched between an active layer and a porous support layer. The matrix layer includes 1-D nanoparticles that are vertically aligned in a porous polymer matrix, and which substantially extend through the matrix layer. The active layer provides species-specific transport, while the support layer provides mechanical support. A matrix layer of this type has favorable surface morphology for forming the active layer. Furthermore, the pores that form in the matrix layer tend to be smaller and more evenly distributed as a result of the presence of aligned 1-D nanoparticles. Improved performance of separation membranes of this type is attributed to these effects. | 09-27-2012 |
20130001153 | THIN FILM COMPOSITE MEMBRANES EMBEDDED WITH MOLECULAR CAGE COMPOUNDS - A polymeric membrane on a support, wherein the polymeric membrane includes a crosslinked polymer covalently bound to a molecular cage compound. An interfacial polymerization method for making the polymeric membrane is also disclosed. | 01-03-2013 |
20130008848 | FILTER COMPRISING STACKABLE FILTER WAFERS WITH FILTERING CHANNELS ON OPPOSING SIDES OF THE WAFERS - A filter comprises a stack of wafers ( | 01-10-2013 |
20130284664 | SEPARATION MEMBRANE FOR WATER TREATMENT AND PRODUCTION METHOD FOR SAME - A separation membrane for water treatment, comprising a porous layer that is obtained by a phase separation method using a solution containing a resin and at least one of either an N,N-disubstituted isobutylamide or an N-monosubstituted isobutylamide. | 10-31-2013 |
20130306548 | FILTER ELEMENT HAVING AT LEAST ONE MAT-TYPE OR SHEET-TYPE FILTER WEB - A filter element is disclosed having at least one mat-type or sheet-type filter web ( | 11-21-2013 |
20130319931 | METHOD OF FORMING AND IMMOBILIZING METAL NANOPARTICLES ON SUBSTRATES AND THE USE THEREOF - A new, facile, low cost and easy-to-operate method of forming and immobilizing metal nanoparticles on substrates is invented. The method comprises steps of chemical modification of the substrates with chemical linkers, chelation of the metal ions to the modified substrates, the washing of the unbound metal ions and in-situ reduction of the metal ions to produce metal nanoparticles on the substrates with/without the finishing treatment of the metal nanoparticles functionalized substrates with minimum particles aggregations. The metal nanoparticles functionalized substrates generated by the method have wide applications, for example, as anti-microbial agents. The metal nanoparticles are strongly bonded to the substrates, resulting in low metal leaching to the environment. | 12-05-2013 |
20140102974 | Composite Filter Media For Fuel Streams - The present invention provides a composite filter media for use in a fuel stream wherein the composite media provides significantly improved resistance to water penetration as indicated by the FWWPP normalized for fuel IFT and a reduced resistance to flow of the fuel stream as indicated by the Ratio of Resistances. | 04-17-2014 |
20140197094 | FILTER MEDIUM AND BREATHER FILTER STRUCTURE - Thermoplastic bicomponent binder fiber can be combined with other media, fibers and other filtration components to form a thermally bonded filtration media. The filtration media can be used in filter units, such as breather caps. Such filter units can be placed in the stream of a mobile fluid and can remove a particulate and/or fluid mist load from the mobile stream. The unique combination of media fiber, bicomponent binder fiber and other filtration additives and components provide a filtration media having unique properties in filtration applications. | 07-17-2014 |
20140238928 | FILTER MATERIAL - 1. Filter material ( | 08-28-2014 |
20140339152 | COMPOSITE SEMIPERMEABLE MEMBRANE AND METHOD OF MANUFACTURING SAME - A composite semipermeable membrane includes: a supporting membrane having a substrate and a porous supporting layer; and a separation functional layer provided on the supporting membrane, in which, when any 10 cross sections of the composite semipermeable membrane, having a length of 2.0 μm in a membrane surface direction, are observed using an electron microscope, an average number density of projections on the separation functional layer, which have a height equivalent to or higher than ⅕ of a 10-point average surface roughness of the separation functional layer, is 10.0 pieces/μm or more, in each cross section, and an average height of the projections is 100 nm or more. | 11-20-2014 |
20150008177 | HONEYCOMB SHAPED POROUS CERAMIC BODY, MANUFACTURING METHOD FOR SAME, AND HONEYCOMB SHAPED CERAMIC SEPARATION MEMBRANE STRUCTURE - A separation membrane structure | 01-08-2015 |
20150298064 | SEPARATION MEMBRANE AND SEPARATION MEMBRANE ELEMENT - A separation membrane ( | 10-22-2015 |
20150343354 | FILTRATION MEDIA AND METHODS OF MANUFACTURING THEREOF - Filtration media includes a polymeric based impregnation material that is impregnated within a fabric material such as felt, non-woven fabric or woven fabric material. The impregnation material may be coated on a first surface of the fabric material and subsequently heated air may be passed through the coating and fabric material. The heated air may be passed through the fabric material via a pressure differential that is defined in a volume that fully encloses the fabric material for a predetermined period of time to ensure that the hot air pushes the coating through a substantial thickness of the fabric material to be impregnated within the fabric material throughout the substantial thickness of the fabric material. A heat cure step may subsequently be applied to ensure that the coating is diffused in to the fabric material and cured. | 12-03-2015 |
20150375179 | METHOD OF MANUFACTURING POLYAMIDE-BASED REVERSE OMOSIS MEMBRANE HAVING EXCELLENT SALT REJECTION AND HIGH PERMEABLE FLUX PROPERTIES, AND REVERSE OSMOSIS MEMBRANE MANUFACTURED USING THE SAME - The present disclosure provides a method of manufacturing a reverse osmosis membrane, the method including: forming an aqueous solution layer containing a multifunctional aromatic amine compound on a porous support; forming a polyamide active layer by bringing an organic solution containing an acyl halide compound to contact an upper portion of the aqueous solution layer; and allowing an organic solution containing a multifunctional aromatic amine compound to contact an upper portion of the polyamide active layer, and a reverse osmosis membrane manufactured by the manufacturing method. | 12-31-2015 |
20160016125 | CERAMIC SEPARATION MEMBRANE STRUCTURE AND METHOD FOR PRODUCING SAME - Provided are a ceramic separation membrane structure improved in separation performance with no reduction in permeability, and a method for producing the structure. The ceramic separation membrane structure includes a ceramic porous body | 01-21-2016 |
20160067634 | Microstructure Separation Filters - Microstructure separation filters are provided herein, as well as chromatography and other separation devices. An exemplary filter device includes a microstructure filter has a plurality of layers of alternating sacrificial and/or structural material which have been etched to create inlet channels and outlet channels. Adjacent ones of the inlet channels and the outlet channels are spaced apart from one another by cross channels that filter a fluid from the inlet channels to the outlet channels. The cross channels include filter features formed by etching away of a portion of the layers. The device also includes a housing configured to receive the microstructure filter. | 03-10-2016 |