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890results about "Material granulation" patented technology
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Microfluidic Synthesis of Organic Nanoparticles
ActiveUS20100022680A1Minimum of laborMinimum of timeCosmetic preparationsMaterial nanotechnologyNanoparticleParticle composition
The present invention provides microfluidic systems and methods for the production of particles (e.g., nanoparticles) for drug delivery. The present invention provides microfluidic devices useful for production of particles by nanoprecipitation. The present invention provides highly homogenous compositions of particles produced by inventive microfluidic devices.
Owner:THE BRIGHAM & WOMEN S HOSPITAL INC +1
Method for making particulate slurries and particulate slurry compositions
ActiveUS20070015669A1Improve conductivityEasy to dehydrateSolid sorbent liquid separationFluid removalParticulatesChemical compound
An aqueous slurry composition for use in industries such as the petroleum and pipeline industries includes a particulate, an aqueous liquid and a chemical compound that renders the particulate surface extremely hydrophobic. The slurry is produced by rendering the surface of the particulate extremely hydrophobic during or before making the slurry.
Owner:TRICAN WELL SERVICE
Coated polyunsaturated fatty acid-containing particles and coated liquid pharmaceutical-containing particles
InactiveUS20060068019A1Powder deliveryLiquid surface applicatorsFatty acids.polyunsaturatedFatty acid
A process for coating a polyunsaturated fatty acid (PUFA)-containing carrier particle or a PUFA matrix particle, or a liquid pharmaceutical-containing carrier particle or a liquid pharmaceutical matrix particle. Also disclosed are such particles made by the process of the invention and foods, pharmaceuticals, beverages, nutritional supplements, infant formula, pet food and animal feed with incorporate such particles.
Owner:SOLAE LLC
Polymer-sulfur-polymer coated fertilizers
InactiveUS6338746B1Good resistance to abrasionAvoid serious impactBiocideMaterial granulationControlled releasePositive control
The present invention described a polymer coated fertilizer, such as urea, subsequently coated with a layer of sulfur and thereafter a further coating of polymer. Preferably, the polymer coatings are formed by the direct in situ co-polymerization of the components of the polymer on the fertilizer and on the sulfur coating. The compositions provide positive controlled release characteristics, are abrasion and impact resistant and are substantially more economical to produce than polymer coated fertilizers.
Owner:KOCH AGRONOMIC SERVICES LLC
Releasable corrosion inhibitor compositions
InactiveUS6933046B1Without degrading physical property and performance of coatingReduce impactMaterial nanotechnologyPigmenting treatmentCarboxylic acidMetal
A new class of releasable corrosion inhibiting materials for protective coatings, methods of making the same, methods of using the same, and coatings containing the same are provided. The materials comprise one or more corrosion inhibitors that are chemically anchored to the surface of a particle having an aluminum oxyhydroxide surface through a carboxylate bond. The carboxylate / aluminum-oxyhydroxide-surface bond breaks under corrosion-causing conditions (for example the presence of high levels of hydroxide ions generated by the cathodic oxygen reduction reaction on metals such as iron and aluminum) thereby allowing the corrosion inhibitors to detach from the particle surface when corrosion is present.
Owner:TDA RES
Surface modified particles by multi-step addition and process for the preparation thereof
InactiveUS6986943B1Material nanotechnologyPigmenting treatmentSimple Organic CompoundsChemical reaction
The present invention relates to a new class of surface modified particles and to a multi-step surface modification process for the preparation of the same. The multi-step surface functionalization process involves two or more reactions to produce particles that are compatible with various host systems and / or to provide the particles with particular chemical reactivities. The initial step comprises the attachment of a small organic compound to the surface of the inorganic particle. The subsequent steps attach additional compounds to the previously attached organic compounds through organic linking groups.
Owner:TDA RES
Micro-pipeline-based liquid droplet generation method
ActiveCN104324769AGenerated smoothlyQuick buildMixing methodsMixersEngineeringMechanical engineering
Owner:BEIJING DAWEI BIOTECH LTD
Nanoparticles modified with multiple organic acids
InactiveUS20070098990A1Reduce the amount requiredPigmenting treatmentMaterial nanotechnologySolubilityOrganic acid
Surface-modified nanoparticles of boehmite, and methods for preparing the same. Aluminum oxyhydroxide nanoparticles are surface modified by reaction with selected amounts of organic acids. In particular, the nanoparticle surface is modified by reactions with two or more different carboxylic acids, at least one of which is an organic carboxylic acid. The product is a surface modified boehmite nanoparticle that has an inorganic aluminum oxyhydroxide core, or part aluminum oxyhydroxide core and a surface-bonded organic shell. Organic carboxylic acids of this invention contain at least one carboxylic acid group and one carbon-hydrogen bond. One embodiment of this invention provides boehmite nanoparticles that have been surface modified with two or more acids one of which additional carries at least one reactive functional group. Another embodiment of this invention provides boehmite nanoparticles that have been surface modified with multiple acids one of which has molecular weight or average molecular weight greater than or equal to 500 Daltons. Yet, another embodiment of this invention provides boehmite nanoparticles that are surface modified with two or more acids one of which is hydrophobic in nature and has solubility in water of less than 15 by weight. The products of the methods of this invention have specific useful properties when used in mixture with liquids, as filler in solids, or as stand-alone entities.
Owner:TDA RES
Selectable ion concentrations with electrolytic ion exchange
InactiveUS20050029124A1From normal temperature solutionsLiquid separation by electricityElectrolysisPhysical chemistry
An apparatus to treat an influent solution comprising ions to obtain a selectable ion concentration in an effluent solution. The apparatus comprises an electrochemical cell comprising a housing comprising first and second electrodes. A water-splitting ion exchange membrane is between the first and second electrodes, the membrane comprising ananion exchange surface facing the first electrode, and an cation exchange surface facing the second electrode, or vice versa. The housing also has an influent solution inlet and an effluent solution outlet with a solution channel that allows influent solution to flow past both the anion and cation exchange surfaces of the water-splitting ion exchange membrane to form the effluent solution. A variable voltage supply is capable of maintaining the first and second electrodes at a plurality of different voltages during an ion exchange stage.
Owner:PINETICS INC +1
High-whiteness, non-heat-treated hydrophobic precipitated silica
InactiveUS6899951B2High whitenessImprove reinforcementSilicaGlass/slag layered productsDouble bottomSilicon dioxide
The present invention provides a hydrophobic precipitated silica having the following properties:carbon content1.0-8.0%methanol wettability 20-55%reflectance>94%BET / CTAB ratio ≦1DBP absorption<250 g / 100 gBET surface area 50-110 m2 / gCTAB surface area100-150 m2 / gSears number<13.The present invention also provides methods for making and using the hydrophobic precipitated silica and articles and compositions which include the same.
Owner:EVONIK DEGUSSA GMBH
Method and apparatus for minimizing adverse effects of thermal expansion in a heat exchange reactor
InactiveUS7117934B2Improve corrosion resistanceHigh strengthChemical/physical/physico-chemical reactor detailsHydrogen/synthetic gas productionThermal expansionEngineering
A heat exchange reactor including a housing, a plurality of tubes mounted in the housing and configured to carry a first fluid, and a baffle having a plurality of holes receiving the tubes. The baffle is configured to guide a second fluid provided within the housing to flow in a direction generally perpendicular to the tubes. The reactor includes various configurations for minimizing adverse effects of thermal expansion of the baffle and the tubes. The reactor is configured to minimize mechanical interference between the baffle and the tubes in both an operational state and a non-operational state, for example, by shaping the holes in the baffle to take into account thermal expansion. The reactor also includes a thermal insulator along a length of the tubes at a large temperature gradient zone within the reactor. The reactor further includes a heat transfer fin in contact with only one of the tubes.
Owner:LAIR LIQUIDE SA POUR LETUDE & LEXPLOITATION DES PROCEDES GEORGES CLAUDE
Method and apparatus for minimizing adverse effects of thermal expansion in a heat exchange reactor
InactiveUS20030173062A1Minimize adverse effectsMinimize thermal expansion differencesChemical/physical/physico-chemical reactor detailsHydrogen/synthetic gas productionThermal expansionEngineering
A heat exchange reactor including a housing, a plurality of tubes mounted in the housing and configured to carry a first fluid, and a baffle having a plurality of holes receiving the tubes. The baffle is configured to guide a second fluid provided within the housing to flow in a direction generally perpendicular to the tubes. The reactor includes various configurations for minimizing adverse effects of thermal expansion of the baffle and the tubes. The reactor is configured to minimize mechanical interference between the baffle and the tubes in both an operational state and a non-operational state, for example, by shaping the holes in the baffle to take into account thermal expansion. The reactor also includes a thermal insulator along a length of the tubes at a large temperature gradient zone within the reactor. The reactor further includes a heat transfer fin in contact with only one of the tubes.
Owner:LAIR LIQUIDE SA POUR LETUDE & LEXPLOITATION DES PROCEDES GEORGES CLAUDE
Releasable corrosion inhibitor compositions
InactiveUS20050176851A1Reduce the impactWithout degrading physical property and performance of coatingPigmenting treatmentMaterial nanotechnologyMaterials scienceMetal
A new class of releasable corrosion inhibiting materials for protective coatings, methods of making the same, methods of using the same, and coatings containing the same are provided. The materials comprise one or more corrosion inhibitors that are chemically anchored to the surface of a particle having an aluminum oxyhydroxide surface through a carboxylate bond. The carboxylate / aluminum-oxyhydroxide-surface bond breaks under corrosion-causing conditions (for example the presence of high levels of hydroxide ions generated by the cathodic oxygen reduction reaction on metals such as iron and aluminum) thereby allowing the corrosion inhibitors to detach from the particle surface when corrosion is present.
Owner:TDA RES
Nanoparticles modified with multiple organic acids
InactiveUS7244498B2Reduce the amount requiredPigmenting treatmentMaterial nanotechnologyOrganic acidSolubility
Surface-modified nanoparticles of boehmite, and methods for preparing the same. Aluminum oxyhydroxide nanoparticles are surface modified by reaction with selected amounts of organic acids. In particular, the nanoparticle surface is modified by reactions with two or more different carboxylic acids, at least one of which is an organic carboxylic acid. The product is a surface modified boehmite nanoparticle that has an inorganic aluminum oxyhydroxide core, or part aluminum oxyhydroxide core and a surface-bonded organic shell. Organic carboxylic acids of this invention contain at least one carboxylic acid group and one carbon-hydrogen bond. One embodiment of this invention provides boehmite nanoparticles that have been surface modified with two or more acids one of which additional carries at least one reactive functional group. Another embodiment of this invention provides boehmite nanoparticles that have been surface modified with multiple acids one of which has molecular weight or average molecular weight greater than or equal to 500 Daltons. Yet, another embodiment of this invention provides boehmite nanoparticles that are surface modified with two or more acids one of which is hydrophobic in nature and has solubility in water of less than 15 by weight. The products of the methods of this invention have specific useful properties when used in mixture with liquids, as filler in solids, or as stand-alone entities.
Owner:TDA RES
Dry chemistry, lateral flow-reconstituted chromatographic enzyme-driven assays
InactiveUS20040241779A1Bioreactor/fermenter combinationsBiological substance pretreatmentsSpecific enzymeAssay
A lateral flow chromatographic assay format for the performance of rapid enzyme-driven assays is described. A combination of components necessary to elicit a specific enzyme reaction, which are either absent from the intended sample or insufficiently present therein to permit completion of the desired reaction, are predeposited as substrate in dry form together with ingredients necessary to produce a desired color upon occurrence of the desired reaction. The strip is equipped with a sample pad placed ahead of the substrate deposit in the flowstream, to which liquid sample is applied. The sample flows from the sample pad into the substrate zone where it immediately reconstitutes the dried ingredients while also intimately mixing with them and reacting with them at the fluid front. The fluid front moves rapidly into the final "read zone" wherein the color developed is read against predetermined color standards for the desired reaction. Pretreatment pads for the sample, as needed, (e.g. a lysing pad for lysing red blood cells in whole blood) are placed in front of the sample pad in the flow path as appropriate. The assay in the format of the invention is faster and easier to perform than analogous wet chemistry assays. A specific assay for glucose-phosphate dehydrogenase ("G-6PD") in this format is disclosed.
Owner:BINAX INC
Stripping process with horizontal baffles
InactiveUS6680030B2Improve stripping efficiencyReduce utilizationCatalytic crackingLiquid degasificationEngineeringMechanical engineering
Owner:UOP LLC
High-whiteness hydrophobic precipitated silica with ultralow moisture absorption
InactiveUS7022375B2Increase loadLow water absorptionBiocideSilicaPhysical chemistryMoisture absorption
Owner:EVONIK DEGUSSA GMBH
Protective coating composition
InactiveUS20050158480A1Good release effectImprove compatibilityMolten spray coatingElectric discharge tubesMetallurgyCoating
A method of forming a coating on a powdered substrate, which method comprises introducing an atomized liquid and / or solid coating forming material and separately transporting a powdered substrate to be coated into an atmospheric plasma discharge and / or an ionized gas stream resulting therefrom, and exposing the powdered substrate to the atomized liquid and / or solid coating forming material.
Owner:DOW CORNING CORP
Dry chemistry, lateral flow-reconstituted chromatographic enzyme-driven assays
InactiveUS7425302B2Easy to observeHigh detection sensitivityBioreactor/fermenter combinationsBiological substance pretreatmentsAdditive ingredientPeroxidase
A lateral flow chromatographic assay format for the performance of rapid enzyme-driven assays is described. A combination of components necessary to elicit a specific enzyme reaction, which are either absent from the intended sample or insufficiently present therein to permit completion of the desired reaction, are predeposited as substrate in dry form together with ingredients necessary to produce a desired color upon occurrence of the desired reaction. The strip is equipped with a sample pad placed ahead of the substrate deposit in the flowstream, to which liquid sample is applied. The sample flows from the sample pad into the substrate zone where it immediately reconstitutes the dried ingredients while also intimately mixing with them and reacting with them at the fluid front. The fluid front moves rapidly into the final “read zone” wherein the color developed is read against predetermined color standards for the desired reaction. Pretreatment pads for the sample, as needed, (e.g. a lysing pad for lysing red blood cells in whole blood) are placed in front of the sample pad in the flow path as appropriate. The assay in the format of the invention is faster and easier to perform than analogous wet chemistry assays.Specific assays for glucose-6-phosphate dehydrogenase (“G-6PD”), total serum cholesterol, β-lactamase activity and peroxidase activity are disclosed.
Owner:ABBOTT DIAGNOSTICS SCARBOROUGH INC
Process for the preparation of carbon black pellets
The present disclosure envisages a process for pelletizing carbon black by mixing carbon black powder and water in a proportion in the range of 0.1:2 to 2:1 with a binding agent and a dispersing agent. The dispersing agent is an amine-based surfactant and is added in a proportion in the range of 0.005-0.1% of the total mixture. The mixture is pelletized in a pelletizer and subsequently the raw pellets are dried for 20-60 minutes at a temperature between 150-250° C., to obtain the carbon black pellets. The process of the present disclosure provides uniform distribution of water on the surface of the pellets giving a uniform pellet quality, reduced water consumption, energy savings and an increased production rate.
Owner:BIRLA CARBON INDIA PTE LTD
Pulverulent materials
ActiveUS8012367B2Easy to processFavourable flow behaviourSilicaOther chemical processesMetalSurface modified
Owner:EVONIK OPERATIONS GMBH
Reactor distribution apparatus and quench zone mixing apparatus
InactiveUS6338828B1Reduce overall heightWide range of operationsFlow mixersTransportation and packagingEngineeringFlange
A quench zone mixing apparatus is supported within a vessel of a reactor by a support structure that includes a concentric hub, which may be formed to act as a torsion tube, and at least a first set of radial beams extending radially outward from the hub and terminating at a support ring that is attached to the reactor vessel wall. In particular, the radial beams comprise a flange that supports the redistribution tray and a web of the beams preferably includes a plurality of openings to allow the passage of fluids across the vessel. In addition, the webs also carry the channels. The radial beams also support the mixing chamber and, in the area between the wall of the mixing chamber and the vessel wall, the radial beams may have a vertical height that slopes downward from the vessel wall to the mixing chamber wall.
Owner:FLUOR TECH CORP
Reactor distribution apparatus and quench zone mixing apparatus
InactiveUS6098965AMinimizing vertical heightLower cost of capitalFlow mixersUsing liquid separation agentDistribution systemEngineering
A quench zone mixing apparatus that occupies a low vertical height and has an improved mixing efficiency and fluid distribution across the catalyst surface includes a swirl chamber, a rough distribution network, and a distribution apparatus. In the swirl chamber, reactant fluid from a catalyst bed above is thoroughly mixed with a quench fluid by a swirling action. The mixed fluids exit the swirl chamber through an aperture to the rough distribution system where the fluids are radially distributed outward across the vessel to the distribution apparatus. The distribution apparatus includes a plate with a number of bubble caps and associated drip trays that multiply the liquid drip stream from the bubble caps to further symmetrically distribute the fluids across the catalyst surface. Alternatively, deflector baffles may be associated with the bubble caps to provide a wider and more uniform liquid distribution below the plate. The distribution apparatus can be used in the reaction vessel without the swirl chamber and rough distribution system, e.g., at the top of a vessel.
Owner:FLUOR TECH CORP
Particle Containing a Graphite Based Nucleus Covered with at Least One Continuous or Discontinuous Layer, Processes for Preparing the Same and Their Uses
ActiveUS20060147790A1Improve electronic performanceReduce riskPigmenting treatmentConductive materialGraphiteElectrochemistry
Process for preparing by crushing, a homogenous mixture of particles containing a conductive nucleus including at least one graphite and continuously or discontinuously coated with at least one material that is different from the one constituting the nucleus, the size of the particles of the nucleus being larger than the particles used for coating the nuclei by crushing the particles together. The mixtures of particles obtained show electrochemical and mechanical properties that enable them to be advantageously used in electrochemical batteries and in paints.
Owner:HYDRO QUEBEC CORP
Production of multilayered thin film particles
A process for producing particles from a thin film is provided. The process includes grinding the thin film using granules that afford for the particles to maintain a structure and / or one or more properties of the thin film. In addition, the process provides for a high recovery percentage of the source material.
Owner:TOYOTA MOTOR CO LTD
Heat treatment apparatus and method for manufacturing toner
InactiveUS9075328B2Suppress coarseningLess fine powderDrying solid materials with heatDrying gas arrangementsCoarse particleHeat treated
Owner:CANON KK
Diamond abrasive particles and method for preparing the same
InactiveUS6565618B1Smoother finished surfaceAvoid it happening againPigmenting treatmentOther chemical processesCrystal structureNominal size
Diamond particles are provided having a nominal size of 5 mum or less by D50 measurement and which comprise an explicit thermal effect such as a minute crack in the crystal structure due to a heat treatment at a temperature at least of 1000° C. The diamond particles include diamond converted non-diamond carbon in an amount of at least 0.5% by weight relative to the whole diamond particle. A method for synthesizing the diamond particles includes providing diamond particles having a primary particle D50 average size of 50 nm or greater, subjecting the diamond particles to a heat treatment at a temperature of at least 1000° C. in either a non-oxidizing atmosphere or in a vacuum, and converting the diamond partly to non-diamond carbon.
Owner:ISHIZUKA
Prepn of large grain spherical submicron/nano composite fiber-ceramic powder
The present invention belongs to the field of ceramic material. The preparation of large grain spherical submicron / nano composite fiber-ceramic powder includes the following steps: wet ball milling to obtain water-base submicron / nano fiber-ceramic colloid; centrifuging or pressurized spraying of the submicron / nano fiber-ceramic colloid to prepare large grain spherical submicron / nano composite fiber-ceramic powder; heat treating to eliminate organic component and water; and plasma densifying and sphericizing to obtain large grain spherical submicron / nano composite fiber-ceramic powder product. The present invention may be used in preparing hot sprayed coating and sintered body with high strength, high toughness, high heat impact performance, and excellent anticorrosive performance and wear resistance.
Owner:SHANGHAI JIAO TONG UNIV
Tightly agglomerated non-oxide particles and method for producing the same
InactiveUS7442227B2Small particlesLarge specific surface areaMaterial nanotechnologyElectrolytic capacitorsIntermetallicCeramic
A non-oxide powder of which at least about 40% by mass is comprised of a plurality of tightly agglomerated compositions, each of the tightly agglomerated compositions comprising a plurality of primary particles agglomerated together. Suitable materials for the primary particles include metals, intermetallics, ceramics, MMCs, and non-metals. An encapsulation and scavenging process is used to create the agglomerated compositions wherein at least some of the agglomerated compositions are encapsulated in a secondary material such as a salt or a polymer.
Owner:WASHINGTON UNIV IN SAINT LOUIS
Multifunctional superhydrophobic diatomaceous earth for chemical adhesion and color change
Provided herein is a multifunctional particle and methods of forming the same. The multifunctional particle includes: a silica particle; a hydrophobic silane; and a silane coupling agent; where each of the hydrophobic silane and the silane coupling agent are chemically bonded to the surface of the silica particle; where the multifunctional particle is superhydrophobic and chemically reactive.
Owner:VELOX FLOW
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