Abstract: An electrochemical biosensor for quantifying one or more redox species in a liquid sample comprising a background electrochemical activity, wherein said biosensor comprises:

Abstract: A sensor is described for determining the concentration of a gas in gas mixtures. The sensor has a measurement electrode and a reference electrode, as well as a polymer layer which is in contact with the gas mixture and the measurement electrode. A pH-sensitive electrode is provided as the measurement electrode.

Abstract: To provide a gas sensor and a method of sensing the gas concentrations which are capable of a battery drive through low power consumption and highly reliable, the gas sensor in which an electromotive force type gas sensor element is formed on a substrate, wherein the electromotive force type gas sensor element has a heating element formed on the substrate, a layer of solid electrolyte formed with an insulating layer interposed on the heating element and two electrodes formed on the solid electrolyte and is characterized in that the substrate is a heat-resistant glass base substrate.

Abstract: The food carrier has a central vertical support panel with a handle and a pair of trays with beverage cup holders attached to the central support panel. A folded side-wall structure can be unfolded to start the formation of the trays, and a folded bottom panel or two-panel structure unfolds into the side-wall outline to stabilize the side-wall and hold the carrier erect while it is resting on a flat surface thus to make unfolding and loading the carrier quicker and easier. An auxiliary tray can be slipped into the central vertical support to hold solid foods, and both beverages and solid foods can be carried advantageously, the auxiliary tray can have substantially the same structure as the first carrier unit, except it has no beverage-receiving holes. It can be mounted to ride “piggyback” on the first carrier, or it can be used alone.

Abstract: A solution bottle has a the bottle body with a bottle opening and a cover for tightly sealing the solution bottle. A press portion is formed at a predetermined portion of the cover. Between an interior of the press portion and the bottle body is installed with a small bag for receiving reactant. The small bag serves to isolate the reactant from the solution in the bottle body so that the reactant is well stored therein. If necessary, the small bag is broken by pressing the press portion so that the reactant will mix with the solution. Moreover, by shaking the bottle, the reactant resolves in the solution completely for use.

Abstract: A pack of rigid type with a hinged lid for tobacco products comprises a cupped container (3; 26) presenting a front face (8) and two flank faces (10) of which the free edges (8a, 10a) combine to establish an open end (4) of the container, also a reinforcing frame (15) secured to the container (3; 26), presenting a breast piece (16), two side pieces (17) and a top edge (18) of U profile directed toward the lid (5; 27). The lid (5; 27) likewise is cupped, presenting a front face (11) and two flank faces (13) with respective free edges (11a, 13a), and closes the open end (4) of the container (3; 26). A coupon (19) is included in the pack, between the frame (15) and the tobacco products.

Abstract: A rigid pack with a hinged lid for tobacco products appears as a container (3) presenting an open top (4) surrounded by a free edge (3a), and a lid (5) hinged to the container along a crease line (6) and presenting a free bottom edge (5a) . When the lid (5) occupies the closed position, the two free edges (3a, 5a) meet along a closure line (15) of which at least one portion describes a path deviating at least in part from a path parallel to the hinge line (6) and exhibiting a highlighted area (21) along at least part of its length. The highlighted area (21) serves to accentuate the closure line (15) and can be printed, if intended simply to make the line more clearly visible, or alternatively, obtained by embossing or by applying a layer of material having a high coefficient of friction with the additional end in view of providing a roughened surface which besides accentuating the closure line (15) also facilitates the operation of opening the lid (5).

Abstract: A simplified packaging arrangement particularly for shirts and the like, comprising a sheet-like element (1) having, in a median portion, a folding region (2) for separating a back portion (4) and a front portion (5), which can be folded onto the back portion (4) in order to form the region for containing a shirt (10) and the like. Elements (11) for supporting and reinforcing the shirt (10) and the like are formed monolithically with the sheet-like element (1).

Abstract: The invention concerns cases for one or several laser discs, designed to protect solely the recorded side of one or several CD's to be housed either against at least a wall against which they are elastically clipped on a centring element internally, or externally. When they house two CD's on a single centring element, their recorded side is pressed one against the other with or without interleaf. A case can receive and immobilise additionally to a CD (D), a tag (E) bearing complementary data concerning the CD, transparently seen through the wall (1) against which is pressed the recorded side of the CD to be housed and protected, by means of a conical inner surface (5) retaining the tag through the base of the cone, and whereof the outside (6) is square, hexagonal or octagonal. Said cases are preferably made of a relatively flexible transparent plastic material.

Abstract: A lamina storage device comprising a spine, first and second leaves hingedly secured to the spine to permit hinging movement of the leaves between a closed position of the device in which the leaves and spine define a hollow interior of the device and an open position for insertion and removal of a lamina to be stored, and a lamina support carried by the spine, the lamina support comprising a pair of resilient arms projecting when the device is in the closed position from the spine into the hollow interior of the device between the leaves, each arm having a groove extending therealong and the grooves facing one another and into the hollow interior, the grooves of the arms being spaced apart a distance suitable for receiving edge portions of the lamina to be stored in the grooves, the arms having a length greater than the effective radius of a lamina to be stored and each arm being provided at its end portion remote from the spine with a projection into the groove spaced from the spine by a distance greater th

Abstract: Novel optical disc storage units comprising transparent polypropylene are provided. Such storage units exhibit sufficient impact resistance to protect the target disc and sufficient clarity that any informational literature may be placed entirely within the storage unit and easily viewed and read through the walls thereof without impediment. Furthermore, the target storage unit must also include a spine section of sufficient width to permit a section of the informational literature to be placed internally thereon and viewed and easily read (such as, for example, the title and accompanying language describing the target disc placed therein) substantially without impediment as well. Specific novel storage units, in addition to these necessarily transparent walls and spine portions, are also possible to maximize the benefits of the transparent properties thereof.

Abstract: An adhesively closable data disk holder constructed of a pair of heat-sealable plastic panels fused together to form an interior pocket with an opening thereto, wherein an additional adhesive layer is fused to the inner surface of one of the holder panels adjacent the opening thereof to facilitate adhesive closure of the opening without the use of an overlying flap. The adhesive layer is constructed of a thin panel of compatibly heat-sealable plastic material, one surface of which carries a pressure sensitive adhesive over which an adhesive release strip is disposed. The adhesive layer is disposed between the outer holder panels so that the adhesive release strip insulates against fusion to its adjacent panel, as the opposing non-adhesive surface of the adhesive layer is heat-sealed to its adjacent holder panel. The resulting data disk holder has a substantially uniform thickness throughout which is particularly beneficial when used in a bindery process.

Abstract: A data disk holder which includes a firm backing panel is constructed of a lamination of paperboard and heat-sealable plastic materials that has enhanced structural integrity suitable for use in a bindery process. A top panel of compatibly heat-sealable material is fused to the plastic lamina of the backing panel to form an interior pocket therebetween with an opening for receipt of a data disk. The firm paperboard backing is consistent with other bound pages, thereby improving handling and efficiency during binding operations, and the opening-defining edge of the holder may be bound shut to fully enclose the data disk for permanent storage. An optional security access window may be provided for access to the stored data disk, and an alternative adhesive closure strip may be used to secure the data disk holder opening.

Abstract: A removable golf club carrier with pivotable legs that have a retracted position and an extended position. The carrier is removably attached to a golf bag and is designed to hold two or more golf clubs. A handle is used to hold and carry the golf club carrier when it is removed from the golf bag, and is also used to secure the golf club carrier to the golf bag. The pivotable legs are attached to the carrier such that when extended they prop the golf club carrier up while the golfer selects a golf club carrier prior to taking a shot. The golf club carrier has storage compartments that keep the shaft and the handle of the golf clubs clean and dry. The pivotable legs prevent the golf club heads from becoming dirty or wet by preventing them from coming in contact with the ground when the golfer stands the golf club carrier on the ground. An optional outer sleeve is also provided to facilitate ease of insertion and removal of the golf club carrier into and out of the golf bag.

Abstract: Containers for sporting equipment include several compartments and supporting hardware such as zipper fasteners, snaps, liners, et cetera. In addition, a bag includes special support for advertising, publicity, and signage. This support is arranged whereby indicia presented thereon is readily changeable and dynamic replacement is facilitated. For example, a panel having a first company logo may be removed and replaced with a similar panel having another company logo. Thus, in a sport such as golf which generates significant revenues from advertising, a golfer can contract with various sponsors to display their message. Any particular message can be displayed for a set period of time and can be changed quickly and easily to other messages to be displayed at other times. Bags which present permanent indicia such as embroidery, the message cannot be changed without changing the entire garment.

Abstract: A golf bag travel case for receiving a golf bag and a set of golf clubs. The travel case includes a first end portion, a second end portion and a middle portion adapted to be assembled together to define an enclosed interior for receiving the golf bag and the set of golf clubs. The travel case is also adapted to be disassembled by nesting the portions within one another to configure the travel case into an economy of space.

Abstract: A package assembly or kit can be used in conjunction with storing and dispensing adhesive materials. The package assembly can include an enclosure in which an applicator and a container may be positioned. The container contains adhesive material. The enclosure may include a base and a cover. The base preferably includes one or more cavities, with at least one applicator disposed in one of the cavities. Further, the container may be disposed in another of the cavities. The cover may be provided with a plurality of wells. The container may include a restrictor positioned within a neck of the container. The restrictor is provided to limit the volume of adhesive material retained in an absorbent end of an applicator such as a swab. The package assembly can be provided in a sterilized condition.

Abstract: A palletized tray system (10) is disclosed having a pallet (11) and a top piece (70) with a plurality of modular, stackable trays (40) disposed therebetween. The top piece (70) can be mated to a tray (40) or the pallet (11) positioned below the top piece (70); the pallet (11) can be mated to a tray (40) or the top piece (70) positioned above the pallet (11); and, each tray (40) may be mated with another tray (40), the pallet (11) or the top piece (70).

Abstract: A box for payout of a filamentary product such as cable or wire that is wound in a coil inside of the box. The box is constructed to retain the coil securely and utilize material in an efficient manner. Particularly, the box is adapted to retain a figure-eight coil of wire, which is often formed in an irregular shape. The box may include a payout tube that extends from a point outside of the box through a wall of the coil and into an interior point of the coil. The box serves to retain such a payout tube with an efficient amount of material and also provides for an improved method of assembling the box, the coil, and the payout tube.

Abstract: A packaging system for packing and transporting CRT components, having a base portion, a top portion, and a center portion arranged between the base portion and the top portion. A first layer of CRT components can be arranged in retaining cells of the base and a second layer of CRT components can be arranged between the center portion and the top portion. A method for packaging CRT funnels or CRT face panels in a packaging system. The components can be formed from expandable foam material.

Abstract: A closure (1) for a container such as a carton (2) having a planar base (3) and a planar lid (4) hinged thereto, such that when the lid is in its closed position, cartons with the closure attached can be stacked. The base defines a dispensing orifice (5) and a pouring lip (6) and is fixed to the container surrounding a similar dispensing orifice in the container. The closure is adapted to be welded to the container and has a welded zone (7) which surrounds the dispensing orifice in the base but lies inside the periphery of the pouring lip, such that the closure can be welded to the container with the pouring lip aligned with the edge of the container.

Abstract: A moist eyeglass cleaner includes an impermeable reclosable handy packet, and a plurality of stacked moist paper sheets disposed in the packet. The packet includes a first wall having an open side formed with an adjacent pair of fixed parallel ribs, and a second wall having an open side formed with a fixed rib that is clamped between the ribs of the first wall so that the packet is reclosable.

Abstract: A threaded closure for containers having a tamper indicating ring frangibly interconnected to a lower edge of a side wall of the closure. The ring includes tabs engaging a bead on the neck of the container in which the tab extends axially above the frangible parting line interconnecting the ring and the side wall of the closure prior to the first removal of the closure from the neck of the container. The tabs include an inwardly directed rib or projection forming a shoulder or notch which engages the edge of the closure bead, when the closure is first removed.

Abstract: A mirror wipe assembly for use in particular by dentists consists of an absorbent strip of material on a backing strip saturated with a defogging substance for transfer to the surface of the mirror used by such dentist to look within the mouth of a patient, by wiping the saturated absorbent strip across the mirror's surface. A single absorbent strip with its backing strip are enclosed within the impervious sealed pocket of a metalized flexible sheet pouch that is impervious to penetration by liquid or gaseous materials. The pouch may be opened for entrance to the pouch by pulling apart or by cutting. The pouch includes an adhesive strip with a peel off cover strip on the back of the pouch for the dentist or other user to adhere the pouch to a convenient location while working on a patient.

Abstract: A smoking-waste receptacle includes a housing and a container for receiving smoking waste and that can be inserted into and removed from the housing. The container includes a removal opening that permits removal of smoking waste deposited in the container and a door movable relative to the removal opening and configured to cover the removal opening when the container is disposed in the housing. The container can include a container body and flow-inhibiting structure disposed within the container body to inhibit smoke from leaving the container body. The container can includes a first wall extending substantially vertically, a first insertion opening in the first wall that allows smoking waste to be inserted into the container, and a first snuff member disposed within the container and adjacent the first insertion opening at a position that permits smoking waste that has been inserted into the first insertion opening to be pushed against the first snuff member.

Abstract: A container for releasing a chemical additive into a fuel composition comprises a fuel-impermeable casing having a hollow interior and an additive composition comprising at least one fuel soluble additive. The additive is held within the container by at least one fuel-permeable element provided at or near an opening in the casing and is effective to provide for release of additive(s) into the fuel composition. Methods of releasing additives into fuel compositions are also provided.

Abstract: A transportable container for bulk goods and a method for forming the container are disclosed. The transportable container is formed from a bag having a closed base and an open top. A fill material is filled into the bag and an outer wrap is spirally wrapped around the bag such that the outer wrap secures the fill material in the bag. The method for forming the transportable container includes the steps of securing the open top of the bag in an opened position and supporting a base of the bag. The bag is filled with a fill material and while being filled the fill level of the bag is monitored. Simultaneously with filling of the bag, an outer wrap is spirally wrapped around the bag in an upward direction coordinated with the fill level. Once the bag is filled the open top of the bag is released. In some embodiments the open top is then sealed and in others it is left open.

Abstract: A blister pack (20) folded wallet has a mounting card (12), with a [hinged] spine segment (15), and an adhesive edge strip (16). Overlaid by a pre-formed blister pack (11), for mutual (edge) entrainment; a dedicated assembly machine entrains mounting cards and blister packs stored in respective magazines. Child resistance is available through cover latching and/or paper reinforced foil laminate (161), with through apertures (166) and perforations (163, 165) for selective localised paper patch (169) removal, over individual blister pockets (168).

Abstract: A scrap book stamp and accessories tote/organizer having a case defining an interior cavity accessible through an opened front panel thereof. The internal front compartment houses a drawer assembly, having removable drawers and removable stackable supports. An internal side compartment of the interior cavity is configured to house an embossing gun. An internal top compartment of the internal cavity, accessible through a top cover, houses a removable platform and a plurality of embossing powder jars held by loops. Pockets of the tote/organizer are configured to hold embossing stamps. The tote/organizer includes a wheeled base and an extendible handle for easy transport. The tote/organizer also includes handles to facilitate lifting the tote/organizer onto working surfaces.

Abstract: A cassette recording kit for creating audio memories of special events and occasions includes a carrying case, a pair of cassette holders which are insertable into the carrying case, a cassette recorder/player which is placeable into the carrying case with the two cassette holders, and at least one blank cassette for use in the cassette recorder player to record audio. Optionally, spare batteries and/or an AC adapter may be included as part of the kit. The cassette holders are configured to be anchored into the carrying case while being removable therefrom for long-term storage. Long-term storage is achieved by providing, as part of each holder, tabs designed for retention by a conventional three-ring binder. Each tab includes a circular aperture and the spacing between apertures corresponds to the spacing between the rings of the binder.

Abstract: A container (1) with collapsible sides (3a, 3b, 3c, 3d, 5a, 5b), wherein at least one side (3a) is provided with at least one pivotally mounted lock handle (12) with a lock pin (13) that can, while protruding from the side (3a), be introduced into an opening (14) in an abutting side (3d), wherein the lock pin (13) can, by turning of the lock handle (12), be caused to lockingly engage with the opening (14). The lock handle (12) is pivotally mounted in such a manner that in this locking position as well as in its resting position in which the lock pin does not engage with the opening (14) is situated substantially along the side (3a), while in other positions it protrudes considerably from the side (3a). The lock handle (12) is provided with a spring mechanism that will, irrespective of the position of the lock handle, influence it with a force in a direction towards its locking and resting positions.

Abstract: A catalyst is intended for the oxidative demercaptanization (sweetening) of hydrocarbons compositions including petroleum, petroleum distillates, gasolines, kerosenes, jet fuels, diesel fuels and heating oils, natural-gas liquids, etc. It may be used in a fixed-bed or fluidized-bed process. A catalyst consist of an active part and an inert component. The active part contains an oxide of a transition metal of Groups Ib, V-VIIb of the Periodic Table, either Ni or Co oxide, or mixture of oxides of the indicated elements, and transition metal salts, and nitrogen-containing organics. The inert component is an oxide of an element of Groups IIa, III, IV, or Fe oxide, or chemical compound including not less than 95% oxides of indicated elements, or mixture of the above compounds.

Abstract: A process for the selective hydrodesulfurization of naphtha streams containing a substantial amount of olefins and organically bound sulfur. The naphtha stream is selectively hydrodesulfurized by passing it through a first reaction zone containing a bed of a first hydrodesulfurization catalyst, then passing the resulting product stream through a second reaction zone containing a bed of a second hydrodesulfurization catalyst, which second hydrodesulfurization catalyst contains a lower level of catalytic metals than the first hydrodesulfurization catalyst.

Abstract: A process for reducing the naphthenic acidity of petroleum oils, or their liquid fractions, is described, the process comprising a thermal treatment of the petroleum oils, or their liquid fractions, in the presence of an adsorbent the surface of which is covered by high molecular weight carbon compounds. Preferred adsorbents are the spent or coked FCC catalysts.

Abstract: A system and method for reliably detecting singulated parcels traveling on a conveyor belt by comparing parcel characteristics before and after parcel agitation. First, parcel characteristics are evaluated. Then parcels are agitated to promote a change in characteristics, for example volume or dimensions, of the unsingulated parcels. Next, parcel characteristics are again evaluated and compared to the previously-evaluated characteristics. If there is no appreciable difference in characteristics, the parcel is deemed singulated.

Abstract: The invention relates to the field of machines for directing and aligning plastic containers and particularly relates to an universal device for automatically adjusting vertically directing and aligning means in dependence on said containers size. The orienting means are formed by a plurality of cradles (5) and the aligning means are formed by a corresponding plurality of discharge channels (6), both means are provided with movable parts (10) and (35) respectively adjustable in dependence on plastic containers size. The device provides at least one control member (7) located on the machine outer stationary cylindrical wall (3) and adapted to engage movable parts (10) and (35) of cradles and discharge channels respectively while the inner hopper holding bulk plastic containers rotates.

Abstract: A water filtering assembly includes cup-shaped member and a top cover and a space is formed to receive any type of filtering agent which is convenient to be replaced. The cup-shaped member is made of transparent material so that the users may check the water filtering agent to replace with new filtering agent.

Abstract: A casing having an inlet which receives oil-based contaminated bilge water is mounted on a boat or ship in aligning a generally U-configured pipe vertically, in which first and second open ends of the pipe are overlaid with one of a gravel or charcoal coarse material restrictive to the flow of oil-based contaminants, and with the second open pipe end coupled to the casing outlet, such that with a plurality of filter pads floating atop the overlying layer adapted to absorb oil-based contaminants, a continuous absorption of the contaminants occur as the bilge water circulates through the casing and is allowed to dwell therein while the filter pads absorb the oil-based contaminants floating atop the inputted bilge water.

Abstract: An apparatus and a method for dividing a fluid into desired proportions by means of a filtering device.

Abstract: A device for the emulsification and separation of small amounts of immiscible liquid phases has essentially a cover plate (2), which can be tightly connected to a base plate (1), where microchannels (4,4a,5,6,6a) in the form of grooves are cut out on the inner surface (3,3a) of the base plate (1) and/or cover plate (2). In a mixing zone, two microchannels (4,4a) run in a wave shape crossing one another a number of times. In a subsequent separation zone, they run essentially straight combined in a common microchannel (5). The otherwise tightly sealed-off microchannels (4,4a,5,6,6a) can be filled and emptied again via inlet apertures (8,8a) and outlet apertures (9,9a).

Abstract: A filter/oil pan assembly for use in devices such as transmissions for vehicles and for use as oil pans in internal combustion engines includes a housing having an upper chamber and a sump, wherein a filter element is disposed between the upper chamber and the sump. The filter element includes a filter media having pleats which extend in the direction parallel to the direction of movement of the vehicle utilizing the filter element. In order to facilitate flow through the filter element, all interior surfaces of the housing slope toward a well in which the filter element is positioned and the filter element itself has laterally projecting flanges which slope downwardly toward the filter media.

Abstract: A water activation device efficiently activates water and maintains its activation performance over a long period of time. The water activation device includes a conductive body having an in-flow opening and an out-flow opening, a cover member that coats the outer perimeter of the body through insulation material and is insulated from water pipes, and activation material unit formed in a small block containing minerals as a main component. The activation material units are held in a retainer of a holder without contacting with one another, and multiple holders are placed along the same straight line in the direction of the flow in the internal space of the body. Further, the outside of holder is fitted with an inner surface of the internal space so that water can flow through the multiple flow openings formed on the retainer.

Abstract: A casing having an inlet positioned below the bilge water discharge outlet of a boat or ship aligns a generally U-configured pipe vertically, in which first and second open ends of the pipe are overlaid with one of a gravel or charcoal coarse material restrictive to the flow of oil-based contaminants, and with the second open pipe end coupled to the casing outlet, such that with a plurality of filter pads floating atop the overlying layer adapted to absorb oil-based contaminants, a continuous absorption of the contaminants occur as the bilge water circulates through the casing and is allowed to dwell therein while the filter pads absorb the oil-based contaminants floating atop the inputted bilge water, along with one or more wheels extending downwardly from the casing and a handle extending rearwardly of it in allowing the casing to be moved about by a user.

Abstract: A solid-liquid filtration cloth comprising a base fabric woven from polymer yarns. After the weaving, the base fabric has been treated by a polymer material, which has better electric conductivity than the polymer yarns of the base fabric. The polymer treatment is carried out by means of a polyaniline solution or a polypyrrole solution, for instance. After the polymer treatment, at least the yarns on the surface of the base fabric comprise a coating of an electrically conductive polymer.

Abstract: A sanitary filtration plant comprises an oblong, tubular pressure vessel (1), which includes one or more helical filter elements (2 to 4). Each helical filter element comprises a spiral-wound filter member (5 to 7) and a central tube (8 to 10). At the end being the outlet end, each helical filter element (2 to 4) comprises a supporting means (19, 20, 21) formed as a wheel with a hub (22), spokes and a rim (31) and centrally a transition means (35). The transition means is adapted to ensure a sealing flow connection between abutting ends of central tubes (8 to 10). In addition, each supporting means (18 to 21) comprises plane sides for abutment against the ends of the filter members of the respective helical filter elements (19 to 21), and along the external periphery they comprise a sealing means (39) for a sealing abutment against the inner side of the pressure vessel (1).

Abstract: Apparatus for determining water separation characteristics of hydrocarbon fluids which includes a water/fuel separator for treating a water/fuel emulsion and measuring the water separability of the transient fluid to determine the water separation characteristics.

Abstract: Spent pyrophoric reaction catalyst from a reaction mixture is removed safely, cheaply, and rapidly using a single plate pressure filter. After hydrogenation, the reaction mixture is decanted, the desired hydrogenation product is removed, and catalyst-rich material which settles at the bottom of the vessel is delivered to a single plate pressure filter fitted with a filter bag 40 of permeable material. The spent catalyst is retained in the filter bag 40 and stored under water awaiting recovery. The filter apparatus 1 comprises a container having a domed base 2, a generally cylindrical sidewall 3 terminating in an upper rim 4 closed by a lid 5 having lifting lugs 6. The lid 5 is fixed in pressure-tight engagement with the sidewall 3 by flange engaging screw clamps 7 and an embedded polytetrafluoroethene gasket 8. The filter bag 40 is held in position by a band 11 and may be readily released for removal of the spent catalyst material. The bag 40 may be reused.

Abstract: A multi-micron, multi-zoned woven metal wire mesh for the production of sand control screens. The multi-zone, dual micron layer is spirally wound on top of a perforated metal pipe. Second and third metal mesh filtration layers are spirally wound on top of the three-zone, dual micron layer, respectively. A perforated metal shroud is placed on top of the entire assembly to protect from the surrounding environment and acts as a protective cover.

Abstract: The present invention relates to a hydrophilized membrane which has greatly suppressed adhesion of blood cells such as erythrocytes, leukocytes and blood platelets within blood, by easily conducting hydrophilization of a hydrophobic porous membrane, and a process for the hydrophilization.

Abstract: The present invention provides, inter alia, a composition useful for producing a homogeneous, semipermeable membrane, the composition comprising a polysulfone semipermeable membrane, the polysulfone semipermeable membrane comprising a mixture of: an ultra-high-molecular-weight hydrophilic polymer, a polysulfone compound and a solvent for the polysulfone compound, and the polysulfone semipermeable membrane having a homogeneous structure such that the polysulfone semipermeable membrane has a substantially uniform structure. Another aspect of this invention discloses methods for fabricating semipermeable membranes by homogeneously mixing the composition, melting the composition, and melt-spinning the molten composition. Another aspect of the present invention includes homogeneous, melt-spun, semipermeable membranes useful for liquid separation processes, such as, but not limited to, microfiltration, ultrafiltration, dialysis, and reverse osmosis.