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| Number | Title | Issue Date |
| 6468833 | Systems and methods for application of substantially dry atmospheric plasma surface treatment to various electronic component packaging and assembly methods This invention is related to a method for encapsulating bond regions in electronic components comprising, for example, metallic bond regions, the method comprising the steps of exposing an electronic component having at least one bond region through a pri... | 10/22/2002 |
| 6383258 | Copolyimide gas separation membranes A gas separation membrane is formed from a copolyimide produced by copolymerization of monomers which include o-tolidine sulfone, at least one other hydrophilic diamine and 2,2-bis(3,4-dicarboxyphenyl)hexafluoropropane dianhydride. One or more additi... | 05/07/2002 |
| 6378331 | Cold box for cryogenic distilling plant The distillation unit includes at least one cryogenic distilling column and at least one heat exchanger, arranged in a chamber with a double casing in which the intermediate partition contains a solid insulator. The unit can be on board offshore floating ... | 04/30/2002 |
| 6374634 | Column for the cryogenic separation of gaseous mixtures and method for the cryogenic separation of a mixture containing hydrogen and CO using this column Column for the cryogenic separation of gaseous mixtures comprising: liquid traps (10, 26, 27) located between two active zones (5, 14, 28, 29) consisting of a cylindrical container with a perforated bottom (11) and defining, with the column, an annular space (... | 04/23/2002 |
| 6363626 | Method and device for treating items stored in containers and storage apparatus equipped with such a device This device for treating items stored in at least one container (12), comprises means (14) for supplying the containers with a treatment gas and means (16) for continuously purging the containers, the supply means being equipped with means (22) for regula... | 04/02/2002 |
| 6363728 | System and method for controlled delivery of liquefied gases from a bulk source Provided is a novel system and method for delivery of gas from a liquefied state. The system includes (a) a delivery vessel holding a bulk quantity of liquefied gas therein; (b) a heat exchanger disposed on the delivery vessel to provide or remove energy ... | 04/02/2002 |
| 6360677 | Injector for a burner and corresponding injection system An injector for a burner is provided in which assemblies for injecting the main and auxiliary fuels and the oxidizer are arranged radially, one around the other, about a longitudinal axis. The injector has a main-fuel outlet, an oxidizer outlet, and an au... | 03/26/2002 |
| 6358337 | Process for the annealing of drawn carbon steel rolls and coils of carbon steel sheet Improved process for the annealing of drawn carbon steel rolls and coils of rolled carbon steel sheet. This process is characterized in that in the stage of roll heating the heating is stopped before reaching the temperature at which the reaction between ... | 03/19/2002 |
| 6350118 | Combustion assembly for a furnace and method of use Combustion assembly adapted to be placed in a wall of a furnace including an axis having at least one pair of burners with axes, one oxidant lance arranged between the burners of the pair and having a lance axis and a source of oxidant connected to the bu... | 02/26/2002 |
| 6348566 | Method for preparing tall oil The invention relates to a method for enhancing the cooking step in a tall oil preparation process comprising: a neutralization step in which soap is neutralied to form soap oil, and a cooking step in which soap oil is cooked with sulphuric acid to form tall o... | 02/19/2002 |
| 6347641 | Gas pressure-regulating device for dispensing working fluid A system for providing gas to a container includes a source of gas under pressure, a container, and a pressure regulating device. The pressure-regulating device includes an inlet intended to be connected to a source of the gas under pressure, an outlet, c... | 02/19/2002 |
| 6348241 | Method and apparatus for treating the internal surface of a gas bottle The method for treating the internal surface of a gas bottle includes the following steps: a) an incident laser treatment beam is introduced into a bottle through its mouth, approximately along the axis of the bottle; b) the laser beam is deflected in the bott... | 02/19/2002 |
| 6347662 | Heat exchanger, in particular plate heat exchanger for an air separation unit An exchanger comprises a plurality of plates (8) made of copper, nickel or aluminium or an alloy of these metals, which are separated by exchange corrugations made of copper or a copper alloy (6) and two outer sheets (7). The distance between the plates i... | 02/19/2002 |
| 6341521 | Process and device for measuring the amount of impurities in a gas sample to be analyzed Provided is a process for measuring the amount of impurities in a gas sample filling a laser absorption spectroscopy analysis cell. The process includes calculating the value of a characteristic representative of the absorbance of the gas sample, from a m... | 01/29/2002 |
| 6332340 | Process for manufacturing technical glass and burner for implementing such a process Provided is a process for the manufacture of technical glass. The process includes, heating a glass bath with at least one flame, wherein the at least one flame is a non-hard flame which is blue in color and includes substantially no reducing species.... | 12/25/2001 |
| 6332349 | Installation for analyzing an atmosphere Installation for analyzing the level of at least one element, from at least two initial gas sources (S1, S2, . . . ) in a sampling procedure, using at least one analyzer (A1, A2, . . . ) capable of analyzing the... | 12/25/2001 |
| 6328044 | Process and plant for the controlled washing of food products with ozonized water The treatment of a food product is carried out using ozonized water in at least two containers, each container possibly being associated with a set value of the dissolved-ozone content that it is desirable to maintain therein, by ozonizing a stream of wat... | 12/11/2001 |
| 6328801 | Method and system for recovering and recirculating a deuterium-containing gas Provided is a novel method of and system for recovering and recirculating a deuterium-containing gas. According to the inventive method, a deuterium-containing feed gas is introduced into a chamber. An exhaust gas containing deuterium is removed from the ... | 12/11/2001 |
| 6328940 | Process for partial oxidation of a gas stream containing hydrogen sulphide Process for partial oxidation in a Claus furnace of at least one gas stream having hydrogen sulphide, and including the steps of: (a) injecting at least one gas stream including hydrogen sulphide and at least one oxygen-enriched gas stream into the Claus ... | 12/11/2001 |
| 6318127 | Method of glass manufacture involving separate preheating of components Provided herewith is a method for preheating a glass mixture to be fed into a glass furnace. The method comprises separately preheating at least some of the materials which comprise the load, and then subsequently remixing the preheated materials and pass... | 11/20/2001 |
| 6318278 | Process for calcining an ore-based material In this process the material is passed through a precalcination device equipped with at least one fuel injector at the outlet of which a fuel injection zone is formed, then the at least partially calcined material is passed into the rotary kiln which at i... | 11/20/2001 |
| 6315977 | Process and apparatus for producing hydrogen by thermocatalytic decomposition of hydrocarbons A process for producing a production gas mixture comprising hydrogen, by thermocatalytic decomposition of an initial mixture which comprises at least one hydrocarbon, comprising the steps of: 1 feeding the initial mixture to a system comprising, in succession,... | 11/13/2001 |
| 6314896 | Method for operating a boiler using oxygen-enriched oxidants A method for operating a boiler using oxygen-enriched oxidants includes introducing oxygen-enriched air, or oxygen and air, in which the oxygen concentration ranges from about 21% to about 100% by volume. Fuel and oxygen-enriched air are introduced into t... | 11/13/2001 |
| 6312502 | Process and system for separation and recovery of perfluorocompound gases Processes and systems to recover at least one perfluorocompound gas from a gas mixture are provided. In one embodiment the inventive process comprises the steps of a) providing a gas mixture comprising at least one perfluorocompound gas and at least one c... | 11/06/2001 |
| 6311904 | Apparatus and process for grinding closed containers that contain a powder Provided is an apparatus for grinding containers that contain a powder. The apparatus includes (i) a grinder, (ii) an enclosure for confinement of the powder released during grinding, (iii) a supply of an inert atmosphere, and (iv) a conduit which directs... | 11/06/2001 |
| 6299948 | Method and device for surface treatment with a plasma at atmospheric pressure Method for creating an electric discharge in an initial gas which is at atmospheric pressure and lies between two exciting electrodes, comprising applying a supply voltage to the two electrodes which is an AC voltage whose amplitude and frequency are adap... | 10/09/2001 |
| 6296684 | Polymer blend membranes with improved mechanical properties Improved polymer blends, and polymer blend membranes having improved mechanical properties are provided by alteration of the critical solution temperature of the polymer blend spinning solution through the incorporation of organic or inorganic completing ... | 10/02/2001 |
| 6295829 | Refrigerated catering service trolley and installation for reloading refrigerating agent Provided are catering service trolleys for preserving and distributing meal service trays in aeroplanes. The trolley includes side walls with double shells defining vertical channels opening at their upper part into the housing containing the refrigeratin... | 10/02/2001 |
| 6295837 | Apparatus for air separation The object of the present invention is to separate air at low power cost to produce high-pressure nitrogen gas and oxygen gas by utilizing cold of liquefied natural gas. Feed air is pre-purified and then introduced into a cryogenic separation unit, so tha... | 10/02/2001 |
| 6290750 | Production plant and process comprising several treatment steps The plant for producing a product stream includes, mounted in series, several modules adapted to perform successive and distinct elementary treatments. At least two elementary treatment modules each include at least two treatment apparatuses mounted in pa... | 09/18/2001 |
| 6290918 | Process and apparatus for the treatment of perfluorinated and hydrofluorocarbon gases for the purpose of destroying them An apparatus for the treatment of perfluorinated and/or hydrofluorocarbon gases, for the purpose of destroying them, is provided. The apparatus includes at least one high-frequency surface-wave exciter which produces surface waves, a waveguide designed to... | 09/18/2001 |
| 6290088 | Corrosion resistant gas cylinder and gas delivery system A corrosion resistant gas cylinder and gas delivery system includes an electroless nickel-phosphorous layer overlying the inner surface of a steel alloy cylinder. The nickel-phosphorous layer has a thickness of at least about 20 micrometers and a porosity... | 09/18/2001 |
| 6289715 | System for analyzing the atmosphere in an enclosure for soldering or tinning by means of a metal alloy A system for analyzing a content of at least one element of a contained atmosphere for soldering or tinning with a metal alloy, comprising: at least one sampling line for taking a gas sample from the contained atmosphere; at least one analyzer for analyzing th... | 09/18/2001 |
| 6287366 | Process for the production of oxygen by adsorption with transatmospheric pressure variation A repressurization phase of an adsorber comprises a step of first countercurrent repressurization with at least gas from a first co-current decompression of another adsorber, this phase ending in a step of co-current production. Immediately following the ... | 09/11/2001 |
| 6287471 | Treatment of aqueous effluents by injection of carbon dioxide The present invention relates to a process for treating more or less concentrated aqueous effluents, such as processing waters, industrial or urban waste waters, and sludges, in particular sludges derived from these waste waters. The said process comprise... | 09/11/2001 |
| 6283747 | Method for heating a furnace The invention relates to a method for heating a furnace comprising at least one burner capable of operating on an oxidant the oxygen content of which can vary; in a first period (P1) the burner is supplied with practically pure oxygen so as to provide a l... | 09/04/2001 |
| 6282901 | Integrated air separation process An integrated air separation process produces an O2 -enriched gas stream and an N2 -enriched gas stream in an air separation unit. The N2 -enriched gas stream is heated in a first heat exchanger associated with a first boi... | 09/04/2001 |
| 6279326 | Transportable device for storing and supplying cryogenic fluid, more particularly medical oxygen A reservoir of the device supports, in its upper portion, a profiled flange forming a handling apparatus for the device and a trough to collect and discharge, via an opening, the water of condensation forming on a vaporization coil. The coil has turns of ... | 08/28/2001 |
| 6281464 | Process and apparatus for welding a hollow structure, such as a container or a tube, with inerting of its internal structure First and second sub-parts are brought into contact with each other so as to form an unwelded hollow structure defining an internal volume. The internal volume of the hollow structure is inerted by introducing an inerting gas mixture into the hollow struc... | 08/28/2001 |
| 6276408 | Installation for the treatment of at least one fluid, uses in the treatment of an air flow and process for loading a mass of particulate material of such an installation An installation for the treatment of fluid having a receptacle (1) defining a non-vertical portion of a path for fluid through at least two adjacent masses (A; B; C) of particulate materials, typically different from each other, each mass being in direct ... | 08/21/2001 |
