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WO/1997/039327A1 |
A chemical sampling or dispensing apparatus comprises: a sleeve (1) having a first end arranged to engage with an inlet to a vessel (10), a gas inlet (6) for receiving, in use, an inert gas and directing it toward the first end of the sl...
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WO/1997/037753A1 |
A sensing arrangement for sensing the addition of reactants to a solution (12) within a tank (14) which includes a first inlet (16), a second inlet (18), and a reactant supply controller (28) for controlling the addition of reactant into...
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WO/1997/037703A1 |
A medical infusion pump is disclosed which provides for greatly improved accuracy in the delivery of medicaments to a patient. Among the various features included in the instant invention is a pumping body which serves to deform and refo...
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WO/1997/037767A1 |
The invention provides an apportioning system comprising a first apportioning chamber (19) having a first outlet (1413) and fillable with liquid to a first defined level (1412) such that if liquid is added to fill the first apportioning ...
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WO/1997/030780A1 |
A mass transfer or heat exchange column is provided with a vapor distributor which circulates a vapor stream about the inner periphery of the column (522). The vapor stream is discharged from the distributor through an at least partially...
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WO/1997/030897A1 |
A device for precisely arraying small objects into a plurality of containers (9) which comprises a vessel (1) containing said objects in a fluid suspension, a tube (4), a small-objects detector (6), a drop detector (8), a means for contr...
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WO/1997/030785A1 |
A continuous process and apparatus for the generation of liquid ozone is provided. This method involves converting an oxygen source (6) to ozone in an ozone generator (15) to yield an ozone-containing gas from which the ozone is separate...
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WO/1997/029837A2 |
In catalytic reactions and reactions requiring synthesis-promoters, it is useful to be able to separate the promoter from the product formed and thus make it available for recycling. One possible way of achieving this separation is by im...
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WO/1997/028893A1 |
A mass tranfer or heat exchange column (222) is provided with a vapor distributor having, in one embodiment, a deflecting surface (230) which directs a vapor stream about the inner periphery of the column. Following discharge from the di...
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WO/1997/029050A1 |
Fuel, oxidant and reactant for a supercritical water oxidation reactor are fed through an injector in which the flow is arranged such that the oxidant feed surrounds the fuel feed and shields the fuel feed from the reactant feed. Excessi...
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WO/1997/024180A1 |
A device for separating the liquid and solid constituents in a chemical reaction medium (1), comprising a metal filtering needle (12) with lateral holes (5) able to pass through polymer- or rubber-like membranes without losing their impe...
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WO/1997/022825A1 |
A microfluidic delivery system (20) and microfluidic system (100) control flows of a liquid or a gas through elongated capillaries (62, 126) that are enclosed along at least one surface by a layer (42, 114) of a malleable material. An el...
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WO/1997/019283A1 |
A valve apparatus (2) for selectively distributing the sequential passage of separate, organic fluids to a common receiver, such as a reaction vessel. The valve apparatus comprises a valve body member (16) having multiple openings (56) a...
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WO/1997/017124A1 |
The rotating flow distributor assembly (1) comprises at least one and preferably a connected pair of cylindrical housings, with an inlet port (2) and an outlet port (18) that receive and discharge the flow of fluid undergoing decontamina...
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WO/1997/015383A2 |
The invention concerns a process for very finely distributing a gas in a liquid and a system for applying the process. The process is based on a gas bubbles-liquid mixture which is drawn through at least one region of directional capilla...
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WO/1997/004297A1 |
A microscale fluid handling system (10) that permits the efficient transfer of nanoliter to picoliter quantities of a fluid sample from the spatially concentrated environment of a microfabricated chip to "off-chip" analytical or collecti...
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WO/1996/041621A2 |
An osmotic device that, following the imbibition water vapor, provides for the controlled release of a beneficial agent (37) a non-aqueous environment. The device comprises a hydrophilic formulation (2) and a beneficial agent, surrounded...
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WO/1996/042004A2 |
A system and method for accomplishing a plurality of combinatorial processes in parallel comprising a microelectronic and fluidic array (device array) having reservoirs, connecting microchannels and reaction cells etched into a substrate...
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WO/1996/039252A1 |
The invention provides electrode-based pumps (803) and methods of operating such pumps. In one embodiment, the invention provides an electrode-based pump situated in a fluid channel comprising a first electrode (801A) and a second electr...
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WO/1996/039260A1 |
The present invention provides a method of forming a fluid-tight electrical conduit through a high aspect ratio hole, the method comprising sintering a via ink to form the electrical conduit and to seal the hole.
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WO/1996/029136A1 |
Method and apparatus for creating gas-liquid contact for highly efficient mass transfer between gas and liquid comprises a gas-liquid contactor assembly (100) including a hollow porous tube (101) surrounded by an outer jacket (108) defin...
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WO/1996/028248A1 |
A disposable cartridge (1) for storage and delivery of reagents for synthesizing and labeling of synthetic oligonucleotides comprises an annular casing (2), an enclosed area (4) defined by the interior surface of the casing and a non-swe...
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WO/1996/026778A1 |
A liquid distribution system with improved resistance to leaking is provided by bolting trough members to sump members using an internal flange (4) formed on the trough members (1) by folding inwards end portions (4) of the sides and bot...
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WO/1996/025990A1 |
A liquid vaporizer (100) includes a stack of coaxially aligned, thermally conductive, thin, flat disks (120) having different diameters. The larger diameter disks (140) each include at least one aperture and preferably a plurality of clo...
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WO/1996/025138A1 |
Ordinary dispensers may be used to dispense agents containing corrosive components by means of a vehicle medium if the parts of the valve of the dispenser coming into contact with the agent are made of stainless steel or coated with a po...
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WO/1996/020780A1 |
A method for injecting a liquid directly into a fluidised bed comprises the use of a twin fluid nozzle in which a gas is used to atomise the liquid. The configuration of the nozzle (1) permits an improved dispersion of liquid into the be...
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WO/1996/015576A1 |
The present invention provides a liquid distribution system, which is useful in a number of contexts, including in accomplishing various synthetic, diagnostic and drug screening reactions. The distribution system can comprise an alpha re...
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WO/1996/011739A1 |
An adsorption-desorption apparatus (102), and process for storage and dispensing of a gas, e.g., hydride and halide gases, and organometallic Group V compounds, which is selectively dispensed by pressure differential desorption of the so...
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WO/1996/009497A1 |
A paste nozzle (15) for feeding a particulate material in the form of a paste (15a) into a fluidized bed (6) in a power plant, wherein the nozzle (15) comprises an air pipe (19) which is disposed inside the nozzle (15) and which directs ...
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WO/1996/006301A1 |
Transfer device for transferring an anaesthetic from a storage bottle (6) to a container (1) by means of an adapter (20). The adapter (20) is provided with a bore (22) for cooperating with a connection cylinder (7) of the storage bottle ...
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WO/1996/002319A2 |
The present invention is an improved apparatus and method for mixing, storing, and delivering slurry chemicals for use in manufacturing operations. The present invention is particularly directed to the effective production and handling o...
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WO/1996/002320A2 |
A hydrogen torch comprising concentric inner (1) and outer (3) fluid delivery tubes, wherein: a) the outer tube (3) comprises silica, and b) the inner tube (1) comprises silicon carbide.
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WO/1996/001227A1 |
A solution storage and dispensing apparatus and method of operation therefor are disclosed. The solution storage and dispensing apparatus includes a selector valve (68) and a control valve (62) which selectively output a liquid such as w...
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WO/1996/000126A1 |
A reactor (1) having one or more reactant inlets (2a) to which spargers (3) are affixed and one or more reactant inlets (2b) each having an injection jet (5) is presented. Reactants are introduced into the reactor (1) through the sparger...
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WO/1996/000186A1 |
A self-starting, self-sustaining hydrogen generator comprises a reactor packed with a mass of mixed catalyst, containing supported copper and palladium. A feedstock, of e.g. methanol and an oxygen source such as air, is injected at high ...
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WO/1995/035161A1 |
A membrane reactor (10) for gas or gas/liquid reaction comprising a reaction chamber (12), a permeable membrane (14) in the reaction chamber, a catalyst supported in the permeable membrane, a gaseous reactant inlet (46) to the reaction c...
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WO/1995/035505A1 |
A method and apparatus for forming microarrays of biological samples on a support are disclosed. The method involves dispensing a known volume of a reagent at each of a selected array position, by tapping a capillary dispenser on the sup...
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WO/1995/034370A1 |
The specification discloses a gas dispersion pipe in which a gas is introduced via an upper and thereinto, which is ejected via a lower end into a liquid to carry out a gas-liquid contact operation, and gas-liquid contact method and appa...
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WO/1995/026930A1 |
The invention concerns a method and an equipment for treatment of a liquid flow (A) to be cleaned and passed into a flotation plant or equivalent. In the method, a part of the liquid flow (A) to be cleaned that flows along the flow line ...
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WO/1995/023645A1 |
A powder dispersion system (10), including a powder disperser (11) and a control unit (13). A powder disperser (11) includes a shear dispersion assembly (16) and may include a fluidization assembly (14). Particles are accelerated from an...
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WO/1995/020127A1 |
A highly reliable digital level sensor assembly (321) is provided to replace optical (34) and capacitance type sensors in high purity chemical delivery systems (218). The digital level sensor assembly (321) is particularly useful in bulk...
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WO/1995/011744A1 |
In order to distribute fluids as finely as possible and with low pressure loss by means of a distributor element having a distributing body, the distributing body is made of a material (56) provided with pores connected to a channel syst...
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WO/1995/012103A1 |
The present invention includes a purge chamber which includes a chamber (3) holding the interlocking solid material. An entrance port apparatus (120) passes the interlocking solid material into the chamber (3) where it is purged by a pur...
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WO/1995/011078A1 |
A metering system (10) for metering liquid to be supplied to equipment which utilizes the liquid to generate a predetermined product includes a body member (12) which defines a chamber (14) therein, the body member (12) being mountable i...
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WO/1995/011315A1 |
This invention provides a method of selectively adding reagents to a temperature dependent reaction by incorporating one or more reagents into a wax medium. The essential components are released into the reaction at the melting temperatu...
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WO/1995/009385A1 |
An improved release agent delivery apparatus (10) is disclosed for use in laser printers, plain paper copiers, facsimile machines, and similar printing apparatus. The delivery apparatus (10) comprises an absorbent textile core (24) fille...
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WO/1995/008665A1 |
The present invention relates to a device for distributing liquid, especially washing liquid for washing paper pulp, in a diffuser having at least one screen plate (1), comprising means for supplying the washing liquid and at least one e...
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WO/1995/004594A1 |
The proposed method of dispensing micro-doses of aqueous solutions of substances onto a carrier involves wetting the end face of the rod-shaped transport element with the aqueous solution of the substance in question, formation on the sa...
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WO/1995/004580A1 |
A mass transfer or heat exchange column (20, 120, 220, 320) is provided with a vapor distributor (26, 126, 226, 326) having, in one embodiment, a plenum (32, 132, 232, 332) which circulates a vapor stream about the inner periphery of the...
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WO/1995/004019A1 |
Disclosed is a process of the alkylation of an olefin with an isoparaffin using sulphuric acid as a catalyst. In this process, a finely-dispersed emulsion of isoparaffin and sulphuric acid is prepared first, in a separate emulsion prepar...
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