Class / Patent application number | Description | Number of patent applications / Date published |
204157620 | Using sonic or ultrasonic energy | 17 |
20090000941 | ULTRASONIC AND MICROWAVE METHODS FOR ENHANCING THE RATE OF A CHEMICAL REACTION AND APPARATUS FOR SUCH METHODS - The invention relates generally to chemical reactions and processes, and in particular to a method for enhancing the rate of a chemical reaction and to apparatus for carrying out the method. The invention more particularly relates to methods and apparatus which utilize microwave and ultrasonic energy to enhance chemical reaction rates; and in specific instances, the invention relates to methods, processes and apparatus for the synthesis of biodiesel fuels. The methods, processes and apparatus of the invention are useful for the synthesis of biodiesel fuels; and also useful for production of reaction products of esterification and/or transesterification reactions including fatty acid alkyl esters. | 01-01-2009 |
20090101492 | METHOD FOR PREPARING COMPOSITES OF ZEOLITE-FIBER SUBSTRATE - A method for preparing a composite of zeolite-fiber substrate includes the steps of reacting a fiber substrate or a zeolite with a linking compound to form an intermediate of linking compound-fiber substrate or zeolite-linking compound, and preparing the composite of zeolite-linking compound-fiber substrate by linking the intermediate of linking compound-fiber substrate to the fiber substrate or linking the intermediate of zeolite-linking compound to the zeolite, in which the linking is induced by sonication. | 04-23-2009 |
20090166177 | ULTRASONIC TREATMENT CHAMBER FOR PREPARING EMULSIONS - An ultrasonic mixing system having a treatment chamber in which at least two separate phases can be mixed to prepare an emulsion is disclosed. Specifically, at least one phase is a dispersed phase and one phase in a continuous phase. The treatment chamber has an elongate housing through which the phases flow longitudinally from a first inlet port and a second inlet port, respectively, to an outlet port thereof. An elongate ultrasonic waveguide assembly extends within the housing and is operable at a predetermined ultrasonic frequency to ultrasonically energize the phases within the housing. An elongate ultrasonic horn of the waveguide assembly is disposed at least in part intermediate the inlet and outlet ports, and has a plurality of discrete agitating members in contact with and extending transversely outward from the horn intermediate the inlet and outlet ports in longitudinally spaced relationship with each other. The horn and agitating members are constructed and arranged for dynamic motion of the agitating members relative to the horn at the predetermined frequency and to operate in an ultrasonic cavitation mode of the agitating members corresponding to the predetermined frequency and the phases being mixed in the chamber. | 07-02-2009 |
20090301862 | METHOD FOR MODIFYING INSULATING OR SEMI-CONDUCTIVE SURFACES, AND RESULTING PRODUCTS - The present invention relates to the use of a R—N | 12-10-2009 |
20100018853 | Process for Making Crystals - A process for preparing crystalline particles of an active principal in the presence of ultrasonic irradiation that comprises contacting a solution of a solute in a solvent in a first flowing stream with an anti-solvent in a second flowing stream causing the mixing thereof, wherein the flow rate ratio of the anti-solvent: solvent is higher than 20:1, and collecting crystals that are generated. | 01-28-2010 |
20100163402 | SYSTEM FOR ALTERNATIVE FUEL WITH HIGH EFFICIENCY OF LOOP REACTOR AND METHOD THEREOF - A system for producing a substitute fuel includes a loop reactor system that includes a loop type reactor equipped with at least one dual frequency irradiator to mix the reactants uniformly in the reactor and to accelerate the reaction. The system further includes an apparatus for feeding waste oil containing free fat acid or fat oil containing triglyceride, and an apparatus for feeding catalyst and methanol. A separation/extraction system is provided for separating the products produced in the loop reactor system into large and small particles and vaporizing low boiling point components. A phase (layer) separation system is provided for stabilizing the products. This system is equipped with a dual frequency phase separator and a vertical double baffle. | 07-01-2010 |
20100200391 | Method for Lowering the Sublimation Point of a Small-Molecular Organic Semiconducting Material - Disclosed herein is a method of lowering the sublimation point of a small-molecular organic semiconducting material. The method comprises the steps of forming a suspension solution of the small-molecular organic semiconducting material in a polar solvent, and sonicating the suspension solution with an ultrasound wave under low temperature. | 08-12-2010 |
20110017587 | Production of chemically functionalized nano graphene materials - Provided in this invention is a process for producing chemically functionalized nano graphene materials, known as nano graphene platelets (NGPs), graphene nano sheets, or graphene nano ribbons. Subsequently, a polymer can be grafted to a functional group of the resulting functionalized NGPs. In one preferred embodiment, the process comprises (A) dispersing a pristine graphite material and an azide or bi-radical compound in a liquid medium comprising to form a suspension; and (B) subjecting the suspension to direct ultrasonication with to ultrasonic waves of a desired intensity or power level for a length of time sufficient to produce nano graphene platelets and to enable a chemical reaction to occur between the nano graphene platelets and the azide or bi-radical compound to produce the functionalized nano graphene material. Concurrent production and functionalization of NGPs directly from pristine graphitic materials can be achieved in one step and in the same reactor. | 01-27-2011 |
20110308933 | METHOD FOR REMOVING PRECIPITATES IN A BIOFUEL - The invention provides a method to remove and/or prevent formation of precipitates in biofuel. The methods comprise subjecting the biofuel to ultrasonic energy. | 12-22-2011 |
20110308934 | METHOD FOR PRODUCING CELLULOSE DIACETATE - A method for producing cellulose diacetate with bamboo fibers as a raw material having the steps of soaking, treating with ultrasonic sound, de-acidifying, acetylating, hydrolyzing, precipitating, screening, extruding, washing, rolling, and drying. The method reduces the material loss and pollution, completely swells and dissolves the bamboo fibers, accelerates the fibrillation, reduces the crystallinity, improves the accessibility of the fibers, recycles acetic acid, and reduces the material consumption. | 12-22-2011 |
20120125763 | METHOD AND APPARATUS FOR THE MAKING OF A FUEL | 05-24-2012 |
20120186973 | PROCESSING MATERIAL WITH ION BEAMS - Materials such as biomass (e.g., plant biomass, animal biomass, and municipal waste biomass) and hydrocarbon-containing materials are processed to produce useful products, such as fuels. For example, systems are described that can use feedstock materials, such as cellulosic and/or lignocellulosic materials and/or starchy materials, or oil sands, oil shale, tar sands, bitumen, and coal to produce altered materials such as fuels (e.g., ethanol and/or butanol). The processing includes exposing the materials to an ion beam. | 07-26-2012 |
20130092524 | APPARATUS AND METHOD FOR USING ULTRASONIC RADIATION FOR CONTROLLED FRAGMENTATION OF CHAINS OF NUCLEIC ACIDS - Example methods and systems are directed to controlled fragmentation of genetic samples that include chains of nucleic acid. Waveform inputs to a transducer configured as Fresnel Annular Sector Actuator (FASA) are used to focus acoustic energy at the genetic sample in a controlled fragmentation process that reduces the genetic sample to a desired average fragment size for the resulting chains of nucleic acid. | 04-18-2013 |
20130264189 | Method for Curing Resin with Ultrasound - A method for curing a resin includes the steps of placing the resin into a reaction vessel, drawing a vacuum in the reaction vessel, positioning the reaction vessel in a gaseous coupling fluid, and applying ultrasonic energy to the coupling fluid. | 10-10-2013 |
20150053545 | FLOW-THROUGH CAVITATION-ASSISTED RAPID MODIFICATION OF CRUDE OIL - A device and method are provided for manipulating petroleum, non-conventional oil and other viscous complex fluids made of hydrocarbons that comprise enforcement of fluid in a multi-stage flow-through hydrodynamic cavitational reactor, subjecting said fluids to a controlled cavitation and continuing the application of such cavitation for a period of time sufficient for obtaining desired changes in physical properties and/or chemical composition and generating the upgraded products. The method includes alteration of chemical bonds, induction of interactions of components, changes in composition, heterogeneity and rheological characteristics in order to facilitate handling, improve yields of distillate fuels and optimize other properties. | 02-26-2015 |
20160001252 | Process for Making Crystals - A process for preparing crystalline particles of an active principal in the presence of ultrasonic irradiation that comprises contacting a solution of a solute in a solvent in a first flowing stream with an anti-solvent in a second flowing stream causing the mixing thereof, wherein the flow rate ratio of the anti-solvent: solvent is higher than 20:1, and collecting crystals that are generated. | 01-07-2016 |
20160024408 | ONE-POT PROCESS FOR THE PRODUCTION OF BIODIESEL AND GLYCEROL ETHER MIXTURES USEFUL AS BIOFUELS - A process for the conversion of a feedstock containing one or more fatty acid triglycerides to a mixture containing one or more fatty acid alkyl esters and t-alkyl glycerols, including reacting the feedstock with a compound of formula (I): | 01-28-2016 |