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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7368087 | Gas re-using system for carbon fiber manufacturing processes A gas re-use system for carbon fiber manufacturing processes based on hydrocarbon thermal decomposition. The system permits re-use of the output gas from the carbon fiber manufacturing process, a process based on the use of an industrial gas as the main raw material... | 05/06/2008 |
| 7294314 | Heat exchangers with novel ball joints and assemblies and processes using such heat exchangers What is disclosed herein deals with low to medium pressure, high temperature, all ceramic, air-to-air, indirect heat exchangers, novel ball joints, high load-bearing ceramic tube sheets, and tube seal extenders for ceramic tubes that are useful in such heat exchange... | 11/13/2007 |
| 7235192 | Capped poly(arylene ether) composition and method A method of preparing a capped poly(arylene ether) resin includes reacting a capping agent with a blend of two or more poly(arylene ether) resins having different intrinsic viscosities. Cured compositions prepared from these capped poly(arylene ether) resins exhibit... | 06/26/2007 |
| 7205035 | Thermoset composition, method, and article A curable composition includes a functionalized poly(arylene ether), an alkenyl aromatic monomer, an acryloyl monomer, and a polymeric additive selected from polystyrene, poly(styrene-maleic anhydride), poly(styrene-methyl methacrylate), polybutene, poly(ethylene-bu... | 04/17/2007 |
| 7205342 | Poly(arylene ether) composition and method of molding A low gloss thermoplastic composition comprises poly(arylene ether), a rubber-modified poly(alkenyl aromatic) resin and an acrylonitrile containing polymer gel. ... | 04/17/2007 |
| 7166687 | Translucent thermoplastic composition, method for making the composition and articles molded there from A thermoplastic composition comprising a matrix of a polycarbonate polymer in which are embedded polysiloxane domains with an average domain size between 20 and 45 nanometers. Said compositions can be obtained by combining a first polycarbonate/poly(diorganosiloxane... | 01/23/2007 |
| 7138203 | Apparatus and method of manufacture of electrochemical cell components A component for an electrochemical cell comprises a thermally and electrically conductive core, wherein the conductive core comprises apertures, and wherein the conductive core further comprises an active area substantially covered by an electrically and thermally c... | 11/21/2006 |
| 7081230 | Split-flow, vertical ammonia converter A vertical, fixed-bed ammonia converter wherein a fixed-bed catalyst zone is configured into two mechanically separated catalyst volumes and two gas streams that operate in parallel. The design maintains the ratio of gas flow to catalyst volume so that there is no c... | 07/25/2006 |
| 7022776 | Conductive polyphenylene ether-polyamide composition, method of manufacture thereof, and article derived therefrom A conductive thermoplastic composition includes specific amounts of a polyphenylene ether copolymer, a polyamide, and an electrically conductive filler. The composition exhibits excellent high-temperature dimensional stability and impact strength, and it is particul... | 04/04/2006 |
| 6918255 | Cooling of liquid fuel components to eliminate coking A system for cooling at least one gas turbine liquid fuel component located in a high temperature environment to eliminate coking in the component is disclosed. The system includes a sleeve surrounding the liquid fuel component, a device for providing a current of c... | 07/19/2005 |
| 6911169 | Carbon fiber-reinforced composite material and method of making A method of making a composite article of a graphite-filled polymer mixture that is robust during high shear mixing and compounding, and that exhibits relatively low electrical resistivity after molding. The mixture is formed by shear mixing a liquid polymeric mater... | 06/28/2005 |
| 6905637 | Electrically conductive thermoset composition, method for the preparation thereof, and articles derived therefrom A conductive thermosetting composition comprises a functionalized poly(arylene ether), and alkenyl aromatic monomer, an acryloyl monomer, and a conductive agent. After curing, the composition exhibits good stiffness, toughness, heat resistance, and conductivity, and... | 06/14/2005 |
| 6878360 | Carbon fibrous matter, production device of carbon fibrous matter, production method of carbon fibrous matter and deposit prevention device for carbon fibrous matter Disclosed is an apparatus for production of vapor-phase growth carbon fibers. The apparatus can continuously produce these carbon fibers for a long time without blocking a furnace of tubular reactor of the apparatus. Also disclosed is a process for production of car... | 04/12/2005 |
| 6645438 | Methods and apparatus for producing fullerenes in large quantities from liquid hydrocarbons A method and apparatus for producing fullerenes, in large quantities at an economical cost, from liquid and gaseous hydrocarbons treated by a high energy source in a reactor devoid of oxygen are presented. The liquid hydrocarbons preferably selected from ... | 11/11/2003 |
| 6485693 | Apparatus for producing carbon blacks A process for producing carbon black comprising reacting a reaction stream formed by a prior carbon black forming process with an oxidant and a carbon black yielding feedstock to produce carbon black and cooling, separating and recovering the carbon black... | 11/26/2002 |
| 6270731 | Carbon dioxide fixation system A CO2 fixation system for fixing Co2 gas existing in the atmosphere or in an exhaust gas emitted from factories and other burning sites. The system includes a fermenting tank for anaerobically fermenting organic wastes, whereby metha... | 08/07/2001 |
| 5989512 | Method and device for the pyrolytic decomposition of hydrocarbons In a method for the production of carbon black and hydrogen by means of pyrolysis of hydrocarbons with a plasma torch (3) in a reaction chamber the pressure in the reaction chamber (1), the feed rate for the hydrogen plasma gas and hydrocarbons and the an... | 11/23/1999 |
| 5639429 | Reactor for the production of short ceramic fibers from gas The production of fibers is carried out by allowing a gas mixture containing a gaseous hydrocarbon or an appropriate gas to pass through a substrate (generally a steel sheet) arranged facing the direction of the gas stream and situated in a furnace wherei... | 06/17/1997 |
| 5593644 | Apparatus for producing improved carbon blacks A new process and apparatus for producing carbon black is provided and unique reactor with separate carbon black forming reaction zones is described. The process utilizes such a reactor is to give unique carbon blacks which give rise to low hysteresis los... | 01/14/1997 |
| 5575993 | Ionene polymers containing biologically-active anions Ionene polymers having biologically-active organic and/or inorganic anions are described. Methods to prepare the ionene polymers, compositions containing them and their methods of use are also described.... | 11/19/1996 |
| 5126112 | Graphite and carbon felt insulating system for chlorosilane and hydrogen reactor The present invention relates to an insulation system for a high temperature reactor in which chlorosilanes and hydrogen gases are present. The system described comprises an inner graphite radiant heat shield and an outer carbon-based, rigid, felt insulat... | 06/30/1992 |
| 5069882 | Carbon black reactor with a choke extension A carbon black reactor having an extended reaction choke substantially reduces the presence of coke and refractory grit in the carbon black product and erosion of the carbon black reactor due to impingement of particles of forming carbon black within the ... | 12/03/1991 |
| 5028401 | Apparatus for obtaining ferric oxide and ammonium salts A vertical cylinder reactor which comprises a plurality of vertically coupled cylindrical modules. An upper end of the reactor, a first module, employs a spraying device for subdividing a liquid reactant into a plurality of small droplets and a toroidal r... | 07/02/1991 |
| 5024818 | Apparatus for forming carbon fibers In a preferred embodiment, an apparatus for forming carbon fibers in a continuous gas phase reaction is disclosed wherein a reactor defines a vertical reaction chamber with a close upper end and a lower outlet, with a vertical reactant feed tube which ext... | 06/18/1991 |
| 5009854 | Axial reactor with coaxial oil injection An axial flow carbon black reactor for producing carbon black particles having a relatively narrow particle size distribution. Feedstock oil is introduced into the reactor by a spray nozzle located coaxial with the longitudinal center line of the reactor.... | 04/23/1991 |
| 4904454 | Reactor for producing furnace carbon black A tubular furnace as a reactor for producing carbon black is disclosed having a constriction in at least the area of the spray device for the carbon black starting material which is oriented along the reactor axis. A combustion chamber for generating the ... | 02/27/1990 |
| 4902478 | Indicator sheet for an autoclave test pack An indicator sheet for an autoclave test pack wherein a pair of porous masses (10) are held in close superimposed relationship by means of a clamp (13) with the indicator sheet (12) sandwiched between them. The indicator sheet (12) has printed thereon a p... | 02/20/1990 |
| 4803056 | System for increasing the capacity of a titanium dioxide producing process A system for increasing the capacity of a process for producing titanium dioxide by reacting titanium tetrachloride vapors with oxygen wherein the process includes an oxygen preheat assembly for preheating oxygen to a predetermined temperature level and a... | 02/07/1989 |
| 4786490 | Process and apparatus for producing high purity magnesium oxide fine particles High purity magnesium oxide fine particles are produced by introducing a flow of a magnesium vapor-containing gas and a flow of an inert gas separately into a mixing region to provide a flow of a mixture gas; by introducing the flow of the mixture gas int... | 11/22/1988 |
| 4765964 | Carbon black reactor having a reactor throat A new reactor for the production of carbon black, a method for the production of carbon black, and a carbon black are disclosed. The carbon blacks are characterized by a surface area preferably in the range of 70 to 150 m2 /g and "G" values of ... | 08/23/1988 |
| 4751067 | Process for making silicon from halosilanes and halosilicons A reactor apparatus (10) adapted for continuously producing molten, solar grade purity elemental silicon by thermal reaction of a suitable precursor gas, such as silane (SiH4), is disclosed. The reactor apparatus (10) includes an elongated reac... | 06/14/1988 |
| 4737531 | Waste heat recovery In a heat exchange unit that recovers waste heat from carbon black smoke by preheating oxygen-containing gas such as air being passed to a carbon black producing reactor, a control loop is provided that automatically diverts the oxygen-containing gas bein... | 04/12/1988 |
| 4671944 | Perforated reactor tube and method for forming a fluid wall in a reactor A reactor tube 20 for a high-temperature fluid wall reactor has a generally cylindrical shape and is made of a refractory material which permits the tube to be heated to incandescence. The reactor tube in turn radiates energy inwardly to a reaction zone t... | 06/09/1987 |
| 4668493 | Process for making silicon A reactor apparatus (10) adapted for continuously producing molten, solar grade purity elemental silicon by thermal reaction of a suitable precursor gas, such as silane (SiH4), is disclosed. The reactor apparatus (10) includes an elongated reac... | 05/26/1987 |
| 4661322 | Flue for the production of soft TiO2 agglomerates A flue for cooling the flow of reaction product from the high temperature oxidation of a metal halide to the metal oxide in the presence of oxygen, said flue comprising a first section of a given cross-sectional area and a second section wherein the cross... | 04/28/1987 |
| 4643890 | Perforated reactor tube for a fluid wall reactor and method of forming a fluid wall A reactor tube 20 for a high-temperature fluid wall reactor has a generally cylindrical shape and is made of a refractory material which permits the tube to be heated to incandescence. The reactor tube in turn radiates energy inwardly to a reaction zone t... | 02/17/1987 |
| 4642227 | Reactor for producing large particles of materials from gases A method and apparatus is disclosed for producing large particles of material from gas, or gases, containing the material (e.g., silicon from silane) in a free-space reactor comprised of a tube (20) and controlled furnace (25). A hot gas is introduced in ... | 02/10/1987 |
| 4619812 | Carbon black production apparatus An apparatus and method for producing carbon black wherein a refractory reactor lining is effectively cooled. A combustible gaseous mixture is injected into a chamber defined by the refractory lining, oil feedstock also being injected into the chamber. Co... | 10/28/1986 |
| 4591471 | Process and an apparatus for producing a sinterable powdery material of minute composite ceramic particles having a dual structure A sinterable powdery material of minute composite ceramic particles having a dual structure, comprising the core formed of zirconium oxide and the outer shell formed of aluminum oxide, a process for producing thereof, which comprises introducing gaseous zircon... | 05/27/1986 |
| 4590040 | Carbon black reactor A carbon black reactor having tangential entry of combustion gases is provided with semicircular ramps to smoothly guide the flow of each tangentially introduced stream of combustion gases toward the reactor outlet enough to avoid turbulent impact with ot... | 05/20/1986 |
