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| Number | Title | Issue Date |
| 8136799 | Multiple downcomer tray A multiple downcomer tray for a mass transfer column includes a mass transfer area and a plurality of downcomers for collecting and discharging a fluid from the tray. Each downcomer is shaped as a channel with an end wall attachable to an extension element. A downco... | 03/20/2012 |
| 8119015 | System for generating a discrete liquid phase in a continuous liquid phase The device (1) serves for the generation of a discrete liquid phase in a continuous liquid phase with a first or a second liquid. The two liquids coexist as separate phases, have different densities and permit a desired exchange of material. Provision is made... | 02/21/2012 |
| 8066264 | Contact tray for a mass transfer column The valve cover has a pair of tabs at the ends that are inserted into end sections of an orifice in the tray deck. The tabs of the valve cover abut against the underside of the tray deck while a pair of sloped portions of the valve cover rest on the top side of the ... | 11/29/2011 |
| 8061890 | Static mixer A mixing element is constructed for installation in a fluid-conducting conduit having an inlet opening of a first cross-section and an outlet opening of a larger second cross-section which is arranged in a plane disposed substantially normal to the main direction of... | 11/22/2011 |
| 8056362 | Method and device for purifying high melting organic raw products or compound mixtures by means of fractionated melting crystallisation from solvent mixtures This invention relates to a method and a device for purifying and/or separating preferably high melting organic raw products or compound mixtures containing, in particular, high melting and/or degradable sterols, by layer crystallization on first heat exchanger surf... | 11/15/2011 |
| 8052845 | Reflux divider for a column having portions for the transfer of material arranged in parallel The reflux divider for a separation column has portions for the transfer of material arranged in parallel which are mutually bounded by a vertical dividing wall and which include members for the controlled dividing of a liquid to be treated. A reflux divider feeds p... | 11/08/2011 |
| 7997327 | Apparatus for combined heat transfer and static mixing with a liquid The apparatus (1) which combines a heat exchange between a liquid (8) and a heat transporting medium (7) with a static mixing of the liquid includes installed structures (2) in a jacket (3). The jacket extends longitudinally betwee... | 08/16/2011 |
| 7993554 | Method for the manufacture of a molding composition A method for the manufacture of a molding composition from a raw material melt which is charged with an additive includes the steps: charging a conveyor apparatus with a raw material which includes a liquid or gooey pasty composition or a granulate; converting the r... | 08/09/2011 |
| 7942955 | Static devolatilisation apparatus and method for a liquid containing polymers The static devolatilisation apparatus serves to treat a liquid (7) containing polymers for the purpose of polymer devolatilisation. Volatile components are separated from the polymers in that the liquid standing under pressure is expanded in at least one phas... | 05/17/2011 |
| 7896039 | Distributor for pairwise delivery of two liquids The distributor serves for a pairwise delivery of two liquids to a plurality of infeed sites in a reactor or in a column with a density of at least 50 sites per m2. The distributor has a pair of main passages that supply pairs of secondary passages with d... | 03/01/2011 |
| 7857879 | Droplet separator The droplet separator includes a vortex generating apparatus in a flow passage for directing a droplet-carrying gas in the direction of at least one separator element arranged concentrically about the flow passage. The separator element includes multiple grid-like s... | 12/28/2010 |
| 7855237 | Plant for the manufacture of polymer particles The method for the manufacture of foamed or foamable polymer particles employs a mixture of a polymer melt and a recycled polymer melt produced from recycled, propellant-containing polymer particles. The associated plant for the manufacture of the foamed or foamable... | 12/21/2010 |
| 7770873 | Tray apparatus, column with same and method of assembling and using A vapor-liquid contact tray apparatus having a tray with a fluid infeed section and a fluid travel section together with downcomer which is in fluid communication with the fluid travel section of the tray. A redirecting baffle is positioned at an inlet opening of th... | 08/10/2010 |
| 7766990 | Apparatus for the separation of liquid from a fluid flow loaded with liquid droplets The apparatus serves for the separation of liquid from a fluid flow loaded with liquid droplets, which can be directed through separator structures in counterflow to separated liquid. The separated liquid flows away on surfaces of the separator structures into a col... | 08/03/2010 |
| 7712728 | Liquid distributor The fine distributor for a liquid includes a primary distribution stage that has a plurality of outlet openings and a secondary distribution stage that has distribution gutters below the primary distribution stage. A mesh structure leads from the primary to the seco... | 05/11/2010 |
| 7708258 | Tray for a mass exchange column The tray has an infusion field of infusion tab valves adjacent the inlet to dissipate the momentum of the liquid flowing across said infusion field. Each valve includes a vertically upstanding wall of a height to obstruct the flow of liquid and the valves are dispos... | 05/04/2010 |
| 7695183 | Static mixer apparatus for impregnating a polymer melt with a fluid expanding agent or additive The apparatus is provided for impregnating a melt of polymer with a fluid working medium, such as, an expanding agent or an additive. Impregnation is carried out for the purpose of manufacturing foamed shaped parts using an injection molding machine. The impregnatin... | 04/13/2010 |
| 7625953 | Method and plant for the manufacture of polymer particles The method for the manufacture of foamed or foamable polymer particles employs a mixture of a polymer melt and a recycled polymer melt produced from recycled, propellant-containing polymer particles. The associated plant for the manufacture of the foamed or foamable... | 12/01/2009 |
| 7540477 | Tray valve for a tray column The tray valve for a tray column includes an opening in a tray for a vapor passage and a valve body that is made to match the tray opening. The valve body consists of a top plate and vertically downwardly directed guide limbs arranged at the edge of the plate. The g... | 06/02/2009 |
| 7540476 | Valve for a contact tray The valve for a contract tray employs an aperture in a deck that is of rectangular or trapezoidal shape with upstanding walls at the sides of the aperture. The valve body is disposed in the aperture with a cover above the aperture and legs that extend downwardly to ... | 06/02/2009 |
| 7513271 | Fluid inlet device for an apparatus The fluid inlet device for a column includes an inflow stub and a deflection unit. The deflection unit includes an input zone with a plurality of inlet passages of constant cross-sections that merge into diffuser-like passages formed by curved guide lamellae. The cu... | 04/07/2009 |
| 7481981 | Apparatus for the esterification of a fatty acid The apparatus for the esterification of a fatty acid F includes a column with a packing. In addition to functioning as a catalytic reactor, the packing functions as a stripping section. A heteregenous catalysis of a fatty acid is carried out with an alcohol used in ... | 01/27/2009 |
| 7438840 | Method for introducing an additive into a flowing medium stream The method for introducing an additive into a flowing stream of media pulses discrete quantities of the additive into the stream at a pressure higher than the pressure of the stream and at set time periods to cause the pulses to penetrate into the stream. Use is mad... | 10/21/2008 |
| 7377498 | Device in process engineering column The liquid distributor includes a plurality of parallel spaced apart passages for receiving liquid, at least one carrier beam disposed transversely of and over the walls of the passages and at least one sheet metal plate slidably mounted on one of walls of the carri... | 05/27/2008 |
| 7347886 | Method for introducing additives into fluids The method introduces additives into flowing gas, fluid or fluidized media in a pulsed high pressure manner. The nozzle needle of at least one nozzle is variable and highly precisely moved for the introduction by means of a device and in such a way that additive is ... | 03/25/2008 |
| 7329774 | Method and plant for the manufacture of carboxylic acid ester by means of a reactive distillation Carboxylic acid ester is produced by esterification of carboxylic acid and an alcohol in a catalytic reaction zone of a first column at a pressure not greater than ambient pressure. The resultant sump product is distilled in a reaction zone of a second column at a p... | 02/12/2008 |
| 7322740 | Static mixer for a curing mixed product The static mixer is used for a curing mixed product of flowable components that react to form a solidifying mass on mixing. The mixer has mixing chambers that are arranged behind one another and next to one another along a tube axis. Each mixing chamber is delineate... | 01/29/2008 |
| 7316503 | Static mixer The static mixer for a low viscosity fluid contains inbuilt devices effective for mixing, which are arranged in a pipe or in a container conducting the fluid. The inbuilt devices include structure elements in the form of flat, folded or curved sheet metal-like flow ... | 01/08/2008 |
| 7306643 | Method for introducing additives to liquid metal, ceramic/metallic powder The method introduces additives into a flowing melt or fluidized metallic/ceramic powder media in a pulsed high pressure manner. The nozzle needle of at least one nozzle is variable and highly precisely moved for the introduction by means of a device and in such a w... | 12/11/2007 |
| 7306130 | Seal for a two-component cartridge A cartridge, particularly a two-component or multi-component cartridge, with at least one cartridge neck and one outlet opening that is closed with a seal that is integrally connected to the cartridge neck, wherein this connection is sectionally realized at least in... | 12/11/2007 |
| 7306126 | Multicomponent cartridge A multicomponent cartridge, particularly a two-component cartridge, contains a coaxial outlet with an outer outlet tube and an inner outlet tube concentric to the outer tube. A cap detachably connected to the coaxial outlet. A seal with at least one seal flange is a... | 12/11/2007 |
| 7291008 | Needle shut-off nozzle for an injection molding machine The needle shut-off nozzle is provided in a housing for delivering polymer melt to an injection molding machine or an injection molding tool. The nozzle is mounted in a channel of the housing for a flow of the polymer melt, a nozzle at an outlet of the channel, a sh... | 11/06/2007 |
| 7287746 | Device in a process engineering column The device is arranged in a process engineering column (10) and serves in particular for the guiding of liquid. This device includes at least two parts (1, 2) made of sheet metal and releasably connected to one another. A recess (12) is arranged... | 10/30/2007 |
| 7207607 | Coaxial two-component cartridge The invention relates to a coaxial two-component cartridge, with an outer tube and a separate inner tube, both of which tape at one respective end into a respective neck, wherein the inner side of the neck of the outer tube and the outer side of the neck of the inne... | 04/24/2007 |
| 7160524 | Process and apparatus for the production of butylacetate and isobutylacetate The invention relates to an apparatus for the production of butylacetate by esterification of acetic acid with butanol in the presence of a solid acidic catalyst in which distillatory separation of components runs simultaneously with esterification. Thus, acetic aci... | 01/09/2007 |
| 7091367 | Method for the esterification of a fatty acid The method for the esterification of a fatty acid F is carried out in a column with a packing. In addition to functioning as a catalytic reactor, the packing functions as a stripping section. A heteregenous catalysis of a fatty acid is carried out with an alcohol us... | 08/15/2006 |
| 7077561 | Assembly of crossing elements and method of constructing same A static mixer (10) is provided with a first grid (14) having one or more crossing elements (16) and one or more slots and a second grid (14) having one or more crossing elements (16) and one or more slots. The crossing elements ( | 07/18/2006 |
| 7052656 | Column for carrying out an isotope exchange between a liquid substance and a gaseous substance The column is provided for carrying out an isotope exchange (EM) between a liquid substance (L) and a gaseous substance (G) using a catalytic reaction (EK). In this reaction the isotope exchange between molecules of the vaporized liquid substance (V) and molecules o... | 05/30/2006 |
| 7041199 | Process and device for hydrolytically obtaining a carboxylic acid alcohol from the corresponding carboxylate A process and a device for the catalytic hydrolysis of a carboxylate, e.g., methyl acetate, ethyl acetate, i- or n-propyl acetate, i- or n-butyl acetate, allyl acetate and methyl formate, into the corresponding carboxylic acid and alcohol, by a combination of a pre-... | 05/09/2006 |
| 7040802 | Static mixer for high-viscosity media employing arcuate segments for mounting in a sleeve The static mixer for a high-viscosity flowing fluid includes mixing elements which are made as monoliths and sleeve elements in the form of tube pieces by means of which the mixing elements are positioned as well as a housing into which the sleeve elements are inser... | 05/09/2006 |
