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| Number | Title | Issue Date |
| 7354557 | Smokeless porous carbon production method and its production system A smokeless porous carbon production method and its production system in which porous carbon is produced by heat treating a large amount of material, e.g. wood or bamboo, efficiently in a short time with thermal energy generated by combusting combustible gas produce... | 04/08/2008 |
| 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 |
| 7247278 | Automated ground water monitoring and analysis system An automated computer controlled ground water system for monitoring and analysis for an analyte, has a sampling device in a well casing with a valve and sensor to provide a predetermined sample volume, a treatment assembly to prepare a calibration standard, a calibr... | 07/24/2007 |
| 7157066 | Combustion process for synthesis of carbon nanomaterials from liquid hydrocarbon The present invention provides a combustion apparatus for the production of carbon nanomaterials including fullerenes and fullerenic soot. Most generally the combustion apparatus comprises one or more inlets for introducing an oxygen-containing gas and a hydrocarbon... | 01/02/2007 |
| 7112449 | Combinatorial chemical synthesis Combinatorial synthesis methods obtain a plurality of compositions having materially different characteristics using an apparatus having a plurality of collectors. A first quantity of fluid reactants are reacted to form a first quantity of product composition. Follo... | 09/26/2006 |
| 6946101 | Burner for producing carbon black A burner for producing carbon black, includes a combustion chamber which can be supplied with fuel gas and an oxidizing gas in such a way that a diffusion flame producing carbon black particles is generated in the combustion chamber. The burner is also provided with... | 09/20/2005 |
| 6902708 | Method and apparatus for making carbon black Methods and apparatus are presented for producing carbon black on a substrate. One preferred method includes providing a head assembly including a nozzle, the nozzle including a first injector for injecting a gas such as acetylene, and a second injector for injectin... | 06/07/2005 |
| 6835361 | Processes and apparatus for reacting gaseous reactants containing solid particles The present invention provides improved processes and apparatus for reacting high flow rates of one or more gaseous reactants in tubular reactors. The improved processes and apparatus allow such reactions to be carried out with a low pressure drop across the reactor... | 12/28/2004 |
| 6787107 | Element with coated dosimeter An element for ascertaining radiation dosage comprising: a support on which is disposed a coated layer, said coated layer comprising a binder and alanine; wherein the alanine, upon exposure to ionizing radiation, produces radicals that remain stable for long periods... | 09/07/2004 |
| 6767515 | Tunable laser cavity sensor chip An integrated optical chip device for molecular diagnostics comprising a tunable laser cavity sensor chip using heterodyned detection at the juncture of a sensor laser and a reference laser, the sensor laser including exposed evanescent field material. ... | 07/27/2004 |
| 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 |
| 5762657 | Air lock valve in a carbon extraction portion of a pyrolysis gasifier A pyrolysis gasifier includes a first auger (26) which moves carbon from a carbon collection tank (24) through an air lock valve (30) to a carbon holding tank (28) The gasifier includes an inner cylindrical sleeve (80) which is configured such that there ... | 06/09/1998 |
| 5651945 | Carbon black reactor and method of producing carbon black A carbon black reactor having a combustion chamber, a mixing chamber and a reaction chamber positioned along a longitudinal axis of the reactor. The chambers communicate with each other so as to provide a flow path for the hot combustion gases as the comb... | 07/29/1997 |
| 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 |
| 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 |
| 5324486 | Hydrocarbon cracking apparatus Apparatus and process for compressing and quenching a cracked gas stream from a hydrocarbon cracking furnace including the step of feeding furnace output directly into an ejector in the effluent line, the ejector acting to quench and compress the effluent... | 06/28/1994 |
| 5252297 | Process for producing carbon black and apparatus therefor An apparatus for producing carbon black comprises a reaction chamber which consists of a tapered throat and a downstream extension of the throat having the same diameter as that of the narrowest portion of the throat and provided with a plurality of ribs ... | 10/12/1993 |
| 5204071 | Method and apparatus for producing carbide products An apparatus is provided for producing a product comprising a carbide compound, such as for example silicon carbide. A reactor is provided which has a chamber defined therein which is divided into a combustion zone and a reaction zone. A combustible mixtu... | 04/20/1993 |
| 5188806 | Method and apparatus for producing carbon black A reactor and method for producing carbon black which involves arranging the combustion fuel conduits in a circumferential arrangement within the forward wall of the combustion chamber and providing an impact surface on the opposite side of the combustion... | 02/23/1993 |
| 5108713 | Apparatus for the continuous production of high ultra-fine, aluminum nitride powder by the carbo-nitridization of alumina A process and apparatus for the manufacture of high purity, ultra-fine aluminum nitride powder by the carbo-nitridization of alumina. In the method, agglomerates uniform in both size, chemical composition and porosity are formed containing a stoichiometri... | 04/28/1992 |
| 5089030 | Apparatus for producing generator gas and activated carbon from solid fuels A method and an apparatus for producing generator gas and activated carbon from solid fuels. A first gasification stage is supplied with fuel by an underfeed charging system and preheated air, the air and fuel being supplied in the same direction. In a se... | 02/18/1992 |
| 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 |
| 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 |
| 4983517 | Reacting materials Methods and apparatus for reacting materials to provide a product. In a reactor (20) having an inner column (A) and an adjacent coaxial outer column (B), and having an upper zone (II) and an adjacent lower zone (I), both zones (I,II) are filled with a liq... | 01/08/1991 |
| 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 |
| 4879104 | Process for producing carbon black Disclosed is a process for producing carbon blacks which for a given surface area are characterized by having lower tinting strength and higher structure.... | 11/07/1989 |
| 4859426 | Apparatus for producing carbon black In the production of carbon black, low BTU content gases are combusted in a compact combustion zone with near stoichiometric amounts of oxidant gases, tempered to the desired temperature and volume with a diluent gas stream which can be selected from air ... | 08/22/1989 |
| 4824643 | Apparatus for producing carbon black A carbon black reactor is characterized by a converging zone, a throat, a first reaction zone and a second reaction zone serially connected. Oil can be injected both upstream and downstream of the throat. Annular walls connect the throat with the first re... | 04/25/1989 |
| 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 |
| 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 |
| 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 |
| 4726934 | Carbon black burner An improved carbon black burner for producing a carbon black with reduced grit content wherein feedstock oil is introduced radially into an atomizing fluid conduit through ports located proximate the discharge orifice of the burner.... | 02/23/1988 |
| 4692312 | Apparatus for producing carbon black A reactor for the production of carbon black is disclosed which is characterized by axial flow of combustion gases and sequential converging sections for sequentially accelerating the hot combustion gases used to drive the pyrolysis reaction.... | 09/08/1987 |
| 4643880 | Apparatus and process for carbon black production An air distributor for carbon black reactor in which the air is brought radially inwardly toward the reactor axis is disclosed in which the incoming air is diverted in an upstream direction and flowed around the end of and into a tubular member to achieve... | 02/17/1987 |
| 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 |
| 4623521 | Carbon black reactor Vanes operatively attached to external sleeves are provided in a conduit to implement on the outside of the conduit change in the swirl angle of incoming fluids.... | 11/18/1986 |
| 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 |
| 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 |
