In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7341872 | Multiautoclave with set of vessels for combinatorial synthesis of zeolites and other materials A vessel arrangement having a base and multiple vessels suited for simultaneously conducting a plurality of isolated experimental reactions or treatments at atmospheric process conditions or elevated temperatures and pressure condition has been developed. A componen... | 03/11/2008 |
| 7132531 | Reactor A reactor vessel for carrying out solid phase synthesis, particularly the solid phase synthesis of oligonucleotides, peptides, and combinatorial chemistry is provided. The reactor vessel comprises two or more orifices spaced from one another through which liquids wi... | 11/07/2006 |
| 7087204 | Reaction unit A reactor which is a reactor (4) in the form of a cylindrical vessel having a liquid inlet and a liquid outlet and elongated in a flowing direction, comprising, in the interior, a drive shaft (6) coaxial with the reactor, one or more stages of plate-sh... | 08/08/2006 |
| 7060788 | Process for stripping monomers and other volatile constituents from polymer melts A process for stripping volatile constituents from polymer melts is disclosed. The process entails introducing the polymer melt into a horizontally oriented cylindrical device that contains a plurality of perforated disks rotating about a common horizontally oriente... | 06/13/2006 |
| 7033407 | Method for internal heating reformation by oxidation A method of producing hydrogen by reforming a hydrocarbon or an aliphatic alcohol. The method includes preparing a columnar catalytic member having many axial passages and containing a reforming catalyst, a shift catalyst and an oxidation catalyst; preparing a refor... | 04/25/2006 |
| 6911187 | Apparatus for internal heating type reformation by oxidation The present invention provides an apparatus for the production of hydrogen by the reformation of a hydrocarbon or aliphatic alcohol having a hollow cylindrical frame; a columnar catalytic member having a multitude of axial passages, mounted in and supported by the c... | 06/28/2005 |
| 6858188 | Apparatus for preparing polyolefin products and methodology for using the same Apparatus for olefin polymerization includes a plurality of shell and tube olefin polymerization reactors, each of which has an olefin polymerization reaction mixture inlet connection and a crude polyolefin product outlet connection. Each reactor is equipped with a ... | 02/22/2005 |
| 6858189 | Rotating surface of revolution reactor with feed and collection mechanisms A reactor including a rotatable disc (3) having a trough (13) in an upper surface (5) thereof. Reactant (15) is supplied to the trough (13) by way or a feed (4), the disc (3) is rotated at high speed, and the reactant... | 02/22/2005 |
| 6599981 | Method for manufacturing olefinic thermoplastic elastomer composition This invention relates to a method for manufacturing an olefinic thermoplastic elastomer composition, characterized by disposing specific kneading segment at least at one place of the screw on the occasion of manufacturing an olefinic thermoplastic elasto... | 07/29/2003 |
| 6461574 | Apparatus for the polymerization of olefin monomers An apparatus for the polymerization of olefin monomers comprising means for forming a fluid stream containing catalyst, means for continuously feeding the fluid stream into an elongated polymerization reactor having at least two successive chambers separa... | 10/08/2002 |
| 6419883 | Chemical synthesis using solvent microdroplets The present invention relates to microdroplets of a solution comprising a solvent having a boiling point of 150° C. or above, a surface tension of 30 dynes/cm or above, and a viscosity of 0.015 g/(cm)(sec). Such microdroplets are useful for the synthesis... | 07/16/2002 |
| 6197264 | Process and an apparatus for polymerization of olefin monomers A process for polymerization of olefin monomers by forming a fluid stream containing catalyst, continuously feeding the fluid stream into an elongated polymerization reactor having at least two successive chambers separated by dividing plates having a dia... | 03/06/2001 |
| 6121054 | Method for separation of liquid and solid phases for solid phase organic syntheses A simple, efficient apparatus and method for separation of solid and liquid phases useful in methods of high-throughput combinatorial organic synthesis of large libraries or megaarrays of organic compounds is disclosed. The apparatus and method are useful... | 09/19/2000 |
| 6114478 | Gas-phase polymerization of C2 -C8 -alk-l-enes by means of Ziegler-Natta or metallocene catalyst systems A process for the homo- or copolymerization of C2 -C8 -alk-1-enes by means of a Ziegler-Natta or a metallocene catalyst system in a stirred bed of finely divided polymer from the gas phase, the transition metal-containing catalyst so... | 09/05/2000 |
| 6007782 | Reactor with a flexurally rigid stirrer element The invention relates to a device, in particular for the treatment of low-viscosity polymer melts, containing a vessel (1) with a stirrer element, the stirrer element (6) essentially comprising a support structure which passes through the vessel and on wh... | 12/28/1999 |
| 5861129 | Polymer optical fibers and process for manufacture thereof An apparatus for making polymer fiber optical cable is described. In addition, the present invention provides dyes that can be added to conventional polymers and are capable of shifting the wavelength of light transmitted through the polymer. The polymer ... | 01/19/1999 |
| 5779986 | Reactor device for free-flowing and higher-viscosity media The reactor device comprises a horizontally-disposed housing (1), at one end of which there is disposed an inlet (4) for supply of the medium, and at the other end of which there is an outlet (5) for the reaction products. Within the housing (1) of the re... | 07/14/1998 |
| 5763545 | Polymerization apparatus and a method for producing polymer using the same A polymerization apparatus comprising a cylindrical polymerization vessel having a straight cylindrical section, a cooling means for cooling the contents of the polymerization vessel, and paddle impellers, each fixed to a central shaft positioned along th... | 06/09/1998 |
| 5744555 | Process for the synthesis of elastomeric polypropylene A process for the production of elastomeric polypropylene is disclosed. The process entails contacting the propylene monomer neat or in an unreactive hydrocarbon solvent, with a catalyst in a recirculated, stirred reactor at a temperature of about 60° to... | 04/28/1998 |
| 5639544 | Resin-impregnated fabric sheet In a sheet wherein a fabric sheet (A) is impregnated with a resin composition (B) containing poly-p-phenylene sulfide as a major component, by controlling the orientation degree of the resin composition (B) within the range between 0.3 and 0.9, heat resis... | 06/17/1997 |
| 5551859 | Particulator The present invention provides in a bulk polymerization reactor chain suitable for polymerizing a syrup of one or more monomers having dissolved therein one or more rubbers the improvement comprising a uniform shear field device. During polymerization at ... | 09/03/1996 |
| 5521224 | Method and apparatus for controlling the number of cells in polyurethane foam The invention relates to a method and an apparatus for producing polyurethane foam with a controlled number of cells, in which a gas is dispersed in one of the components, i.e. the polyol or the isocyanate, in a dispersing device arranged between the mixi... | 05/28/1996 |
| 5510073 | Planetary gear for a multiple-screw extruder A planetary gear for a multiple-screw extruder includes a circular stationary housing having internal teeth, a sun wheel formed from at least one toothed portion of a spindle, and a plurality of main planet wheels formed from at least one toothed free end... | 04/23/1996 |
| 5470539 | Continuous polymerization method and apparatus Polymer particles having a small particle diameter and a narrow particle diameter distribution are obtained by a continuous polymerization method which does not accompany an increase of cohering products attaching to an inner face of a reaction vessel and... | 11/28/1995 |
| 5360741 | DNA hybridization incubator A hybridization incubator, of a type usefully employed to perform blot nucleic acid and protein/antibody hybridizations and stringency washes for blot procedures such as Northern, Southern, Dot, Slot, Colony, and Western blot techniques, wherein the hybri... | 11/01/1994 |
| 5340891 | Continuous polymerization method and apparatus Polymer particles having a small particle diameter and a narrow particle diameter distribution are obtained by a continuous polymerization method which does not accompany an increase of cohering products attaching to an inner face of a reaction vessel and... | 08/23/1994 |
| 5225171 | Apparatus for intercalating large quantities of fibrous structures Apparatus for intercalating large quantities of fibrous structures uses a rotatable reaction chamber containing a liquid phase intercalate. The intercalate liquid phase is controlled by appropriately heating, cooling or pressurizing the reaction. Rotation... | 07/06/1993 |
| 5102627 | Supply of controlled medium-pressure CO2 gas in simple, convenient, disposable packaging A gas generator chemically generates a gas from a chemical reaction between two reagents contained within a common container. The reagents are normally separated by a gas generation chamber into different regions of the container in the absence of gas gen... | 04/07/1992 |
| 5024741 | Hybrid isotope separation scheme A method of yielding selectively a desired enrichment in a specific isotope including the steps of inputting into a spinning chamber a gas from which a scavenger, radiating the gas with a wave length or frequency characteristic of the absorption of a part... | 06/18/1991 |
| 4849183 | Continuous photochemical reactor A continuous photochemical reactor comprises a rotatable cylindrical reaction vessel provided at its one end with an inlet for reaction mixture and at the other end with an opening, a lid body for closing said opening of the reaction vessel and for discha... | 07/18/1989 |
| 4745163 | Catalytic film polymerization of acetylene An apparatus for producing a polyacetylene film by contacting acetylene gas with Ziegler-Natta catalyst to polymerize the acetylene gas in a vessel which comprises a catalyst introduction conduit to be introduced with the Ziegler-Natta catalyst provided a... | 05/17/1988 |
| 4729877 | Apparatus for the solid-bed polymerization of monomers A horizontal solid-bed polymerization reactor which is divided into a plurality of zones, for example a reaction zone, an after-reaction zone, a heating zone and a product discharge zone and possesses inlet and outlet openings for feeding substances into ... | 03/08/1988 |
| 4698211 | Catalyst injection for Ziegler polymerization The fouling of the solid cocatalyst inlet nozzle in alpha-olefin Ziegler type polymerizations in stirred liquid phase, mass reaction is eliminated by positioning the inlet nozzle below the liquid surface on substantially the same horizontal plane as the b... | 10/06/1987 |
| 4663123 | Apparatus for producing polyacetylene film An apparatus for producing a polyacetylene film by contacting acetylene gas with Ziegler-Natta catalyst to polymerize the acetylene gas in a vessel which comprises a catalyst introduction conduit to be introduced with the Ziegler-Natta catalyst provided a... | 05/05/1987 |
| 4643336 | Mixing and dispensing gun A mixing and dispensing gun comprising a body having spaced inlets for receiving two components of an adhesive or reactive fluid, a dispensing valve in the gun, an outlet nozzle and a motionless mixer interposed between the dispensing valve and the outlet... | 02/17/1987 |
| 4627803 | Apparatus for producing polyacetylene film An apparatus for producing a polyacetylene film by introducing acetylene gas into a vessel for storing Ziegler-Natta catalyst to polymerize the acetylene gas with the catalyst which comprises a film forming projecting flat section having a film forming fl... | 12/09/1986 |
| 4464509 | Apparatus and method for preparing polymers Apparatus and method of preparing a partially hydrolyzed polymer solution, especially a partially hydrolyzed polyacrylamide solution, for use in secondary and tertiary oil recovery operations which involves the in-line introduction of a relatively concent... | 08/07/1984 |
| 4396757 | Process for preparing polyphenols A process for preparing polyphenols, including oxidative polycondensation of a phenol in an aqueous medium in the presence of an oxidizer as well as a subsequent separation of the end product. The starting phenol is mixed with an aqueous solution of an al... | 08/02/1983 |
| 4021600 | Slurry polymerization process An improvement in a process for the copolymerization of ethylene and an -olefin having 3 to 18 carbon atoms and optionally also a nonconjugated diene having only one readily polymerizable double bond in the presence of a catalyst and a liquid organ... | 05/03/1977 |