Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8153076 | System and process for production of aniline and toluenediamine A method for producing aniline or toluenediamine is disclosed which comprises forming a dispersion comprising hydrogen gas bubbles dispersed in a liquid medium comprising either nitrobenzene or dinitrotoluene, wherein the hydrogen gas bubbles have a mean diameter le... | 04/10/2012 |
| 8153077 | System and process for production of nitrobenzene A method for producing nitrobenzene is disclosed which comprises forming a dispersion comprising benzene-containing droplets or particles dispersed in a mixture of concentrated nitric acid and concentrated sulfuric acid, wherein said particles have a mean diameter l... | 04/10/2012 |
| 8147768 | System and process for production of polyvinyl chloride A method is disclosed for producing polyvinyl chloride which includes mixing a vinyl chloride solution with an initiator solution in at least one high shear mixing device comprising at least one rotor/stator set producing a rotor tip speed of at least 5.1 m/sec (100... | 04/03/2012 |
| 8133447 | System for making linear alkylbenzenes Methods and systems for the production of linear alkylbenzenes are described herein. The methods and systems incorporate the novel use of a high shear device to promote dispersion and mixing of one or more olefins (e.g. propylene) with an aromatic. The high shear de... | 03/13/2012 |
| 8119084 | Reactor for isoparaffin olefin alkylation A reactor for the autorefrigerant alkylation process has a cylindrical upright reactor vessel with the inlet for the refrigerant reactant and the sulfuric acid at its lower end and a series of inlets for the olefin reactant at vertically spaced intervals up the leng... | 02/21/2012 |
| 8071046 | System and process for gas sweetening A method for removing hydrogen sulfide from a sour gas stream comprising hydrogen sulfide by oxidizing hydrogen sulfide in a converter by contacting the sour gas stream with an aqueous catalytic solution, thereby producing a desulfurized gas stream and a liquid stre... | 12/06/2011 |
| 8021632 | Reactor having titanium silicate recycling The invention relates to a plant for carrying out chemical reactions, having a reactor (1), the reaction space of which contains hydrogen peroxide (H2O2) and titanium silicalite (TS-1). The object of the invention is to improve such a pl... | 09/20/2011 |
| 7976788 | Detachable decomposition reactor with an integral mixer A reductant decomposition reactor for use in exhaust systems is provided that includes a middle tube portion formed with a reductant injector mount, an inlet tube, an outlet tube and a mixer. The inlet tube is formed at a first end of the middle tube portion and the... | 07/12/2011 |
| 7931876 | Method and apparatus for manufacturing developer, and developer The invention provides a method and an apparatus for manufacturing a developer, which can manufacture a developer having a uniform and fine particle shape in a narrow particle size distribution and having a coloring agent highly dispersed therein at the primary part... | 04/26/2011 |
| 7887765 | Reactor for the efficient oxidation of alkyl aromatic compounds A method and apparatus for the conversion of aromatic alkyls to aromatic carboxylic acids in a reactor are provided, wherein the location of the feeding of the reaction mixture into the reactor significantly increases the conversion efficiency of the precursor mater... | 02/15/2011 |
| 7704465 | Aluminum hydroxide aggregated particles producing vessel Aluminum hydroxide aggregated particles which have an average particle diameter of not less than 40 μm, an average particle diameter as determined after pressing at 1,000 kg/cm2 of not more than 35 μm, and an L value of slurry obtained by mixing 20 ml o... | 04/27/2010 |
| 7431893 | Process and apparatus for continuous polycondensation An apparatus for continuously producing polyester comprises three single reactors, i.e. a single esterification reactor (first reactor), a single initial polymerization reactor (second reactor) and a single final polymerization reactor (third reactor or final polyme... | 10/07/2008 |
| 7334936 | Mixing device and method of mixing The present invention is a mixing device and a method of mixing viscous fluids with a mixing device. The mixing device includes a shaft and a support mounted for rotation with the shaft. A plurality of vanes extend from the support and are mounted for rotation with ... | 02/26/2008 |
| 7316718 | Differential pressure-driven borohydride based generator An arrangement for generating hydrogen gas utilizes differential pressure to transport fuel and spent fuel components without requiring an electrically powered fuel delivery pump. ... | 01/08/2008 |
| 7285244 | Automated device for biological analysis An automated device for biological analysis including a rotatable rotor, and at least one reactor supported on the rotor and including an agitator composed of a blade which can either be 1) supported on a lower portion of a biochip carrier formed at an angle to reta... | 10/23/2007 |
| 7282073 | Method and system for generating hydrogen by dispensing solid and liquid fuel components Hydrogen is generated through the use of a fuel solution that is prepared using solid fuel component, e.g., a metal borohydride, and a liquid fuel component, e.g. water. Both of these components are dispensed in response to control signals. The solid fuel component ... | 10/16/2007 |
| 7279139 | Agitation type powder dissolving apparatus for reprocessing spent nuclear fuel An agitation type powder dissolving apparatus comprises a dissolving tank into which powder of spent nuclear fuel is to be supplied, an agitating member rotatably disposed in the dissolving tank, and rise inhibiting structure, disposed in the dissolving tank above t... | 10/09/2007 |
| 7276223 | Method and device for chemical reaction between a gas and at least one compound in solution carried out in the presence of a solid catalyst A gas/liquid reaction with a liquid containing at least one chemical compound in solution which can react with a gas in the presence of a solid catalyst maintained in suspension in the liquid, the reaction being carried out with separation (recovery) of said solid c... | 10/02/2007 |
| 7253228 | Method for producing polyurethane emulsion The present invention provides a process for producing a polyurethane emulsion, capable of continuously producing a polyurethane emulsion which contains substantially no organic solvent and also has excellent storage stability over time. Disclosed is a process for p... | 08/07/2007 |
| 7244401 | Apparatus for separation of constituents from matrices The present invention provides an apparatus useful for the separation of hazardous and non-hazardous organic and inorganic constituents from various matrices. A method of separating such constituents is also provided. ... | 07/17/2007 |
| 7237943 | Dynamic fluid mixer A dynamic mixer in which two elements are rotatable relative to each other about a predetermined axis and between which is defined a flow path extending between an inlet for materials to be mixed and an outlet. The flow path is defined between surfaces of the elemen... | 07/03/2007 |
| 7186382 | Microchip apparatus A system and method for providing an improved microchip measurement apparatus comprising an external reservoir connected via an input line and output line to a well disposed on the microchip. The reservoir and well may be sealed and a pump connected to the input lin... | 03/06/2007 |
| 7179433 | Production process and production apparatus for polybutylene terephthalate An apparatus for continuously producing polybutylene terephthalate, which comprises a first reactor for reacting an aromatic dicarboxylic acid with a glycol, thereby producing an oligomer, a second reactor for polycondensating the oligomer, thereby preparing a low p... | 02/20/2007 |
| 7175696 | Method and apparatus for corrosive gas purification Herein is disclosed a method and an apparatus for preparing a highly purified gas from a crude liquid comprising the gas and one or more of a metal, particulates, water vapor, or a volatile impurity. The method comprises: (a) vaporizing the crude liquid, to yield (i... | 02/13/2007 |
| 7172177 | Aerator An apparatus for use in fluid agitation which may include a hollow drive shaft having a first end and a second end wherein the first end is coupled to a selectively rotatable power source, a first propeller, a second propeller and an atomizer coupled to the drive sh... | 02/06/2007 |
| 7172336 | In-line mixing apparatus, process for mixing reactive chemical solutions, and process for producing microcapsules An oil phase solution injected into a mixing flow path from an upstream injection inlet forms a flow from an upstream injection inlet to a discharge outlet, and a rotary blade is provided downstream of a mechanical seal. Thus, a reverse flow toward a mechanical seal... | 02/06/2007 |
| 7171974 | Production method of silver halide photographic emulsion and production apparatus thereof At least one of a nucleus forming process, a nucleus growing process, a chemical sensitizing process, and a spectral sensitizing process for producing a silver halide photographic emulsion is performed by using a microreactor. A minute region of the microreactor is ... | 02/06/2007 |
| 7172403 | Apparatus for preparing a gypsum wallboard core A gypsum wallboard core, and methods and apparatus for making the same are disclosed. Methods of making a gypsum wallboard core include extruding a gypsum slurry containing water, gypsum, slip agents, water-reducing agents, surfactants and, optional additives, throu... | 02/06/2007 |
| 7169292 | Pyrolysis tube and pyrolysis method for using the same The present invention provides a pyrolysis tube for enhancing the yield of olefins and reducing a coking tendency in steam cracking of hydrocarbons. According to the present invention, the pyrolysis tube is characterized in that a plurality of mixing blades made by ... | 01/30/2007 |
| 7153480 | Apparatus for and method of producing aromatic carboxylic acids A reactor for the oxidation of a precursor to an aromatic carboxylic acid or ester thereof in a liquid phase reaction mixture is disclosed. The reactor comprises an elongate vessel, substantially vertical in use, having an upper mixing element and a lower mixing ele... | 12/26/2006 |
| 7141227 | Apparatus and method for preparing cerium oxide nanoparticles This invention provides a method for preparing cerium oxide nanoparticles with a narrow size distribution. The cerium oxide nanoparticles obtained by the method of the invention are nearly all crystalline. The method comprises providing a first aqueous solution comp... | 11/28/2006 |
| 7128885 | NF3 production reactor A process for the production of nitrogen trifluoride by reacting fluorine gas and liquid ammonia acid fluoride in a first reaction zone having a relatively low energy input followed by treatment of the resulting reaction product in a second reaction zone having a re... | 10/31/2006 |
| 7122161 | Taylor reactor for materials conversion in the course of which a change in viscosity of the reaction medium occurs A Taylor reactor for conducting material conversions, having an external reactor wall (1) located within which there is a concentrically or eccentrically disposed rotor (2), a reactor floor (3) and a reactor lid (4), which together define... | 10/17/2006 |
| 7122162 | Reaction chamber that is elongated along an axis that contains at least one solid catalyst bed and at least one box for contact, mixing and quenching A reaction chamber (4) elongated along an essentially vertical axis in which at least one reaction fluid is circulated from top to bottom of said chamber (4) through at least one catalyst bed (5), whereby downstream from catalyst bed (5) ... | 10/17/2006 |
| 7118653 | Process for the purification of mixtures of toluenediisocyanate incorporating a dividing-wall distillation column Process for the purification of toluenediisocyanate from a crude distillation feed which includes toluenediisocyanate, an organic solvent and less than 2% by weight phosgene by separating the crude distillation feed in a dividing-wall distillation column into at lea... | 10/10/2006 |
| 7108770 | Process for the purification of toluene diisocyanate incorporating a dividing-wall distillation column for the final purification Toluene diisocyanate is recovered from a crude distillation feed containing less than 2% by weight of phosgene by (a) fractionating the crude distillation feed containing less than 2% by weight of phosgene to remove the solvent and optionally the reaction res... | 09/19/2006 |
| 7083657 | System for hydrogen generation The present invention relates to an improvement in a system for the generation of hydrogen by contacting an aqueous solution of a metal hydride salt with a hydrogen generation catalyst. In particular, the present invention relates to the incorporation within the sys... | 08/01/2006 |
| 7070317 | Method of mixing using vaned mixing device The present invention is a mixing device and a method of mixing viscous fluids with a mixing device. The mixing device includes a shaft and a support mounted for rotation with the shaft. A plurality of vanes extend from the support and are mounted for rotation with ... | 07/04/2006 |
| 7045100 | Method for producing fatty acid methyl ester and equipment for realizing the same Method for producing fatty acid methyl ester, including compounding saturated and unsaturated higher fatty substances from at least one of vegetable and animal with an alkaline solution dissolved in alcohol to form a mixture. The method also includes emulsifying the... | 05/16/2006 |
| 7018587 | Mixing and pouring apparatus and vessel therefor A mixing and pouring apparatus for computer controlled processing of mixing and pouring operations includes a rotatable arm capable of holding vessels therein, the arm rotatable at programmable speeds and time lengths to perform automated moving and pouring processe... | 03/28/2006 |
