Patents Represented by Attorney, Agent or Law Firm Scott R. Cox
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Patent number: 7803972Abstract: The invention relates to a coated catalyst, especially for oxidation of methanol to formaldehyde, which, on an inert, preferably essentially nonporous, support body, has at least one coating which comprises, before the removal of the organic fractions of components b) and c): (a) oxides, or precursor compounds convertible to the corresponding oxides, of molybdenum and iron, where the molar ratio of Mo:Fe is between 1:1 and 5:1, and optionally further metallic components or metal oxide components or precursor compounds convertible to the corresponding oxides, (b) at least one organic binder, preferably an aqueous dispersion of copolymers, especially selected from vinyl acetate/vinyl laurate, vinyl acetate/ethylene, vinyl acetate/acrylate, vinyl acetate/maleate, styrene/acrylate or mixtures thereof, and (c) at least one further component selected from the group consisting of SiO2 sol or precursors thereof, Al2O3 sol or precursors thereof, ZrO2 sol or precursors thereof, TiO2 sol or precursors thereof, waterglasType: GrantFiled: November 23, 2006Date of Patent: September 28, 2010Assignee: Süd-Chemie AGInventors: Christian Gückel, Klaus Wanninger, Marvin Estenfelder, Claudia Fischer, Uwe Dürr
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Patent number: 7799730Abstract: The invention relates to a cylindrical catalyst body 1 which is characterized in that indentations are provided on the circumferential surface 3 of the catalyst body 1. These indentations are preferably configured as grooves 4 and webs 5 which run parallel to the longitudinal axis 2 of the catalyst body 1.Type: GrantFiled: April 27, 2006Date of Patent: September 21, 2010Assignee: Sud-Chemie AGInventors: Norbert Ringer, Gerhard Selig, Hans-Joachim Müller
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Patent number: 7795351Abstract: Adhesive composition for bonding and filling large assemblies, including a mixture of about 5 percent to about 75 percent by weight of a thermoplastic polymer, about 0.5 percent to about 35 percent by weight of a polyester resin or vinyl ester resin, and about 20 percent to about 80 percent by weight of an alkyl acrylate or methacrylate monomer.Type: GrantFiled: December 28, 2006Date of Patent: September 14, 2010Assignee: IPS CorporationInventors: Samuel B. Osae, Paul C. Briggs
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Patent number: 7780846Abstract: A method for producing a substantially desulfurized hydrocarbon fuel stream at temperatures less than 100° C. including providing a nondesulfurized fuel cell hydrocarbon fuel stream and passing the fuel stream through a sulfur adsorbent system containing a specialized sulfur adsorbent containing hydrated alumina to produce a substantially desulfurized hydrocarbon fuel stream.Type: GrantFiled: December 20, 2006Date of Patent: August 24, 2010Assignee: Sud-Chemie Inc.Inventors: Eric J. Weston, Jon P. Wagner, R. Steve Spivey, Mike McKinney, Michael W. Balakos, Russell Scott Osborne, Michelle Madden
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Patent number: 7780008Abstract: The present invention relates to an assembly for the storage and distribution of solid loosely packed products unit by unit. The assembly generally comprises a storage container, a sealing means and a discharge control device inserted into the neck of the container to permit the passage of the products to be distributed. Inviolability and sealing of the container are achieved by means of a peelable heat seal, sealed thermally onto at least one surface defined by an annular, peripheral surface of the neck of the container and/or all or part of an upper surface of the device and/or a surface of a distribution opening.Type: GrantFiled: May 21, 2007Date of Patent: August 24, 2010Assignee: Airsec S.A.S.Inventor: Benoit Portier
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Patent number: 7776288Abstract: A charging device for a tubular reactor has metering chambers which can be filled with filling material, such as, for example, catalytically coated carrier material, it being possible for a respective tube of the tubular reactor to be filled via a feed device which adjoins the metering chamber. The metering chamber has a sloping surface and an opposing surface for supporting the filling material, which run at an angle to one another.Type: GrantFiled: March 15, 2007Date of Patent: August 17, 2010Assignee: Süd-Chemie AGInventors: Harald Dialer, Michael Hoffman
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Patent number: 7770629Abstract: The invention relates to a moulding mixture for producing casting moulds for metalworking, a process for producing casting moulds, casting moulds obtained by the process and also their use. To produce the casting moulds, a refractory mould raw material and a binder based on water glass are used. A proportion of a particulate metal oxide selected from the group consisting of silicon dioxide, aluminium oxide, titanium oxide and zinc oxide is added to the binder. Particular preference is given to using synthetic amorphous silicon dioxide as metal oxide.Type: GrantFiled: September 2, 2005Date of Patent: August 10, 2010Assignee: AS Lungen GmbHInventors: Günter Weicker, Diether Koch, Jens Müller, Udo Skerdi, Henning Rehse, Anton Gienic, Reinhard Stötzel, Thomas Dünnwald
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Patent number: 7754651Abstract: Disclosed is an Cu/Zn/Al-catalyst containing copper oxide and zinc oxide as catalytically active components and aluminium oxide as thermostabilising component. The catalyst is characterized in that the Cu/Zn atomic ratio is <2.8 and the aluminium oxide component is obtained from an aluminium hydroxide sol.Type: GrantFiled: November 6, 2002Date of Patent: July 13, 2010Assignee: Süd -Chemie AGInventors: Jurgen Ladebeck, Jurgen Koy, Tiberius Regula
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Patent number: 7744788Abstract: Disclosed is an injection moulding machine, comprising an extruder for continuously producing a melt of a desiccant-filled polymer; at least one injection device fluidly connected with the extruder by a first conduit to receive melt and including an injection ram movable to a forward position for injection of melt into an injection mould and a rear position for introduction of melt into the injection device; characterized in that the injection moulding machine further comprises a sensor which allows determination of the viscosity or melt flow index of the desiccant-filled polymer. Further disclosed is a method of operating such a compounder-type injection moulding machine.Type: GrantFiled: March 12, 2008Date of Patent: June 29, 2010Assignee: Airsec S.A.S.Inventors: Benoit Portier, Valere Logel
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Patent number: 7718561Abstract: The present invention relates to a catalyst for preparing phthalic anhydride by gas phase oxidation of o-xylene and/or naphthalene, comprising at least three catalyst zones which have different compositions and, from the gas inlet side toward the gas outlet side, are referred to as first, second and third catalyst zone, the catalyst zones having in each case an active composition comprising TiO2, and the active composition content decreasing from the first catalyst zone disposed toward the gas inlet side to the third catalyst zone disposed toward the gas outlet side, with the proviso that (a) the first catalyst zone has an active composition content between about 7 and 12% by weight, (b) the second catalyst zone has an active composition content in the range between 6 and 11% by weight, the active composition content of the second catalyst zone being less than or equal to the active composition content of the first catalyst zone, and (c) the third catalyst zone has an active composition content in the rangType: GrantFiled: May 22, 2005Date of Patent: May 18, 2010Assignee: Süd-Chemie AGInventors: Christian Gückel, Markus Niedermeier, Marvin Estenfelder
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Patent number: 7704487Abstract: A method for the preparation of zeolite beta is described, the template used comprising diethylenetriamine. Furthermore, a zeolite beta obtainable thereby and the preferred use thereof are disclosed.Type: GrantFiled: October 27, 2005Date of Patent: April 27, 2010Assignee: Süd-Chemie AGInventor: Marcus Breuninger
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Patent number: 7665601Abstract: A dehydrating container made of a thermoplastic polymer suitable for packaging products sensitive to ambient humidity, said containing comprising: a visual humidity state indicator, a container body forming a casing, closed at one of its ends by a base and open at another end thereof, a reclosable closure capable of cooperatively fitting on the open end of said casing, optionally, a connector placed between the closure and the casing, and a humidity absorber inside the containing for absorbing humidity from the atmosphere inside the container. The absorber comprises a dehydrating agent and the reclosable closure comprises a visual humidity state indicator that changes color according to the existing humidity level and/or to a maximum humidity level. The visual indicator is advantageously located on an internal surface of the closure.Type: GrantFiled: January 18, 2007Date of Patent: February 23, 2010Assignee: AIRSECInventor: Benoit Portier
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Patent number: 7632778Abstract: An apparatus for producing hydrogen, which comprises: a. a heated steam reforming stage (1) with a reforming catalyst to convert gaseous or vaporizable hydrocarbons and water into hydrogen, carbon monoxide and further reformer products; b. at least one stage downstream of the steam reforming stage for the catalytic conversion of the mixture of hydrogen, carbon monoxide and excess steam leaving the steam reforming stage (shift stage) (2); and c. a fine purification stage (3) downstream of the shift stage(s) for the catalytic lowering of the residual carbon monoxide content of the conversion products by selective methanization, is described. In the apparatus, the shift stage (2) and the fine purification stage (3) are configured as a unitary hollow body (exothermic catalyst stage).Type: GrantFiled: January 17, 2005Date of Patent: December 15, 2009Assignee: Süd-Chemie AGInventors: Klaus Wanninger, Peter Britz, Nicolas Zartenar
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Patent number: 7628292Abstract: A device for dispensing oblong objects comprising: (i) a main dispensing opening for allowing the objects to be dispensed to pass therethrough one by one; (ii) at least one other opening of elongate shape, one of whose sides opens into the main dispensing opening, the elongate opening having an opening width equal to or greater than a minimum thickness of the object to be dispensed; and (iii) guide surfaces for guiding the objects to be dispensed. The guide surfaces lie along front sides of the elongate opening and face the objects to be dispensed, so as to collect and guide the objects toward at least one of the elongate openings.Type: GrantFiled: March 3, 2004Date of Patent: December 8, 2009Assignee: Airsec S.A.Inventors: Didier Lancesseur, Roger Nobilet
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Patent number: 7618918Abstract: The present invention relates to a catalyst, in particular for the preparation of phthalic anhydride by gas phase oxidation of o-xylene and/or naphthalene, having an inert support and at least one layer which has been applied thereto and has a catalytically active composition comprising TiO2, characterized in that at least a portion of the TiO2 used has the following properties: (a) the BET surface area is more than 15 m2/g, (b) the primary crystal size is more than 210 ångstrøm. Also described is a preferred process for preparing such a catalyst, and the preferred use of the titanium dioxide used in accordance with the invention.Type: GrantFiled: November 28, 2005Date of Patent: November 17, 2009Assignee: Süd-Chemie AGInventors: Marvin Estenfelder, Helmut Hartsberger, Christian Guckel
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Patent number: 7615513Abstract: The present invention relates to the use of a catalyst comprising at least one first catalyst zone located towards the gas inlet, a second catalyst zone located closer to the gas outlet and a third catalyst zone located even closer to or at the gas outlet for the preparation of phthalic anhydride by gas-phase oxidation of o-xylene and/or naphthalene, with the catalyst zones preferably each having an active composition comprising TiO2, characterized in that the catalyst activity of the first catalyst zone is higher than the catalyst activity of the second catalyst zone. Furthermore, a preferred process for the preparation of phthalic anhydride is described.Type: GrantFiled: March 2, 2006Date of Patent: November 10, 2009Assignee: Süd-Chemie AGInventors: Christian Guckel, Harald Dialer, Marvin Estenfelder, Werner Pitschi
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Patent number: 7592293Abstract: The present invention relates to processes for improving or optimizing a catalyst for the preparation of phthalic anhydride by gas-phase oxidation of o-xylene and/or naphthalene, which comprises the following steps: a) provision of a starting catalyst (C) comprising at least one first catalyst zone located towards the gas inlet and a second catalyst zone located closer to the gas outlet, with the catalyst zones preferably each having an active composition comprising TiO2; b) replacement of part of the first catalyst zone by an upstream zone of a catalyst having a higher activity than the first catalyst zone in order to provide an improved catalyst. Furthermore, an improved catalyst obtainable by this process is described.Type: GrantFiled: August 29, 2007Date of Patent: September 22, 2009Assignee: Sud-Chemie AGInventors: Christian Guckel, Harald Dialer, Marvin Estenfelder, Werner Pitschi
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Patent number: 7585430Abstract: There is disclosed a plate-shaped pressed body (wafer) produced from an inorganic sorbent and a binder, having a thickness of less than 700 ?m, which is produced by the process of compressing a mixture of the inorganic sorbent, the binder, and optionally water and compression aids at a pressure of at least 70 MPa, wherein the weight ratio of dry sorbent to dry binder is between about 4 and 0.7 and the water content of the mixture, measured at 160° C., is between 8 and 20%; and calcining the resulting pressed body at temperatures of at least about 500° C., until the water content is substantially removed.Type: GrantFiled: March 22, 2006Date of Patent: September 8, 2009Assignee: Sud-Chemie AGInventors: Stefan O. Dick, Arthur E. Schepf, Tateshi Kimura, Andrew J. Robertson, Mike Gaffney
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Patent number: 7579299Abstract: The invention relates to a process of processing an acid suspension containing at least one solid, wherein (a) the suspension containing at least one solid is mixed with an alkali metal silicate solution, the pH of the mixture being adjusted to a pH of more than 4, and (b) the resulting precipitate which contains the alkali metal silicate and the at least one solid is separated and optionally washed, dried and ground. The mixture according to (a) after aging may be acidified further by the addition of an acid. Furthermore, there are disclosed an adsorbent obtainable according to the preceding process, and the use thereof.Type: GrantFiled: November 30, 2005Date of Patent: August 25, 2009Assignee: Sud-Chemie AGInventors: Uwe Flessner, José Antonio Ortiz Niembro, Klaus Schurz, Werner Zschau
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Patent number: D603707Type: GrantFiled: October 16, 2008Date of Patent: November 10, 2009Assignee: AirsecInventors: Armindo Lourenco, Valère Logel