Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 601 - 650 out of 8,607

Document Document Title
WO/2011/082978A1
The invention relates to a method for treating alkaline process waste water from the nitration of aromatic compounds to mono-, di- and trinitroaromatic compounds having a pH value of 7.5 to 13 or a mixture W having a pH value from 6 to 1...  
WO/2011/079404A1
The invention relates to a device and method for extracting active principles from natural sources, using a counter-flow extractor assisted by a sound transduction system, which allows a cavitation sound field to be applied in the zone c...  
WO/2011/076739A1
The invention relates to a method making it possible to purify the uranium from a natural uranium concentrate. Said method includes: a) extracting the uranium, present in the form of uranyl nitrate, in an aqueous phase A1 resulting from ...  
WO/2011/075671A2
A biomass-based oil extraction process is disclosed. The process includes the recovery of biomass-based oil and other co-products, including but not limited to steam, electric power and chemicals, from various biomass processes and in pa...  
WO/2011/075671A3
A biomass-based oil extraction process is disclosed. The process includes the recovery of biomass-based oil and other co-products, including but not limited to steam, electric power and chemicals, from various biomass processes and in pa...  
WO/2011/074766A3
The present invention relates to a method and apparatus for simultaneously manufacturing ultra pure betulin and highly pure betulinic acid from birch bark, which employ a technique of: using a polar organic solvent to obtain a crude extr...  
WO/2011/072570A1
Disclosed is a process and an apparatus for separating and purifying ethyl tert-butyl ether (ETBE) by coupling distillation-extraction, wherein ethanol containing 1wt.% to 15wt.% water, and a mixture containing ethyl tert-butyl ether and...  
WO/2011/072568A1
Disclosed is a process and an apparatus for separating and purifying tert-alkyl (alcohol) ether by combinational distillation-extraction, wherein, the raw material is a to-be-separated mixture of tert-alkyl (alcohol) ether which is obtai...  
WO/2011/072569A1
Disclosed are a method and a device for preparing ethyl t-butyl ether by distillation-extraction coupling separation and purification, wherein the material is to-be-separated mixture of ethyl t-butyl ether which is obtained by carrying o...  
WO/2011/075534A3
Methods and apparatus for the purification of isoprene, such as the purification of a bioisoprene composition from fermentor off-gas. The apparatus includes two columns that process the fermentor off-gas, which includes isoprene and vari...  
WO/2011/074766A2
The present invention relates to a method and apparatus for simultaneously manufacturing ultra pure betulin and highly pure betulinic acid from birch bark, which employ a technique of: using a polar organic solvent to obtain a crude extr...  
WO/2011/069317A1
A high speed countercurrent chromatography separation device is provided. The device includes a frame (1); a hollow main shaft (2) fixed on the frame (1) or connected to the frame (1) through a bearing; a rotary table (3) installed on th...  
WO/2011/068266A1
The oil-soluble-solvent separating device according to the present invention comprises a porous plate which is formed with a plurality of through holes and a carbon nanotube layer which is formed on the substrate plate such that water-so...  
WO/2011/067704A1
The present invention relates to a device and a method for placing immiscible fluid phases in contact with each other by means of centrifugal force, in particular in order to extract compounds from one of said phases by another phase. Sa...  
WO/2011/057639A1
The present invention concerns a separation and/or extraction apparatus having a removable insert for keeping a material to be processed and a separation and/or extraction method for an improved separation and/or extraction process. The ...  
WO/2011/058423A3
The present invention further relates to extracts which are isolated from Deschampsia antarctica plant, the preparation of such extracts, the medicaments containing said extracts, and the use of these extracts and constituents for the pr...  
WO/2011/054631A1
A carnosic acid-rich plant extract can be produced by extracting a dried and comminuted plant material containing carnosic acid with supercritical CO2 at a pressure of at least 200 bar and at a temperature of at most 100 °C. In a first ...  
WO/2011/057236A3
Processes are provided for manufacturing polytrimethylene ether glycol, in which water is added to the product polymer to facilitate phase separation.  
WO/2011/057236A2
Processes are provided for manufacturing polytrimethylene ether glycol, in which water is added to the product polymer to facilitate phase separation.  
WO/2011/050469A1
A solvent that reversibly converts from a hydrophobic liquid form to hydrophilic liquid form upon contact with water and a selected trigger, e.g., contact with CO2, is described. The hydrophilic liquid form is readily converted back to t...  
WO/2011/050515A1
The present invention provides a method for isolation and purification of sesamolin and sesamin from the mixture of sesamolin and sesamin. The method improves the purity and recovery rate of sesamolin and sesamin by changing the position...  
WO/2011/044552A3
A fiber reaction process whereby reactive components contained in immiscible streams are brought into contact to effect chemical reactions and separations. The conduit reactor utilized contains wettable fibers onto which one stream is su...  
WO/2011/044552A2
A fiber reaction process whereby reactive components contained in immiscible streams are brought into contact to effect chemical reactions and separations. The conduit reactor utilized contains wettable fibers onto which one stream is su...  
WO/2011/043687A1
The present invention can be used in the field of chemistry, microbiology and pharmaceutics as well as in other branches of the industry. The invention essentially relates to a pulse-cyclic method for separating by extraction a mixture o...  
WO/2011/035368A1
According to this invention, plants of the genus Triodia are harvested for use as a renewable energy source or as a means of carbon sequestration. Triodia is a hummock-forming grass endemic to Australia, commonly known as spinifex. It is...  
WO/2011/034989A2
Far infrared ray heating technology is used to breakdown waste plastic and resultant heavy oils into usable products. Waste plastics may thus be processed into petroleum products and used to generate energy.  
WO/2011/031697A2
Various uses of monochlorotrifluoropropenes, in combination with one or more other components, including other fluoroalkenes, hydrocarbons; hydrofluorocarbons (HFCs), ethers, alcohols, aldehydes, ketones, methyl formate, formic acid, wat...  
WO/2011/031697A3
Various uses of monochlorotrifluoropropenes, in combination with one or more other components, including other fluoroalkenes, hydrocarbons; hydrofluorocarbons (HFCs), ethers, alcohols, aldehydes, ketones, methyl formate, formic acid, wat...  
WO/2011/022812A1
A process for recovering a volatile carboxylic acid from an aqueous stream containing same comprising the steps of: (a) evaporating the aqueous stream to produce a vapour stream comprising the volatile carboxylic acid that has been vapou...  
WO/2011/022811A8
A process for recovering a volatile carboxylic acid from an aqueous stream comprising same, the process comprising the steps of: (i) steam stripping the carboxylic acid from the aqueous stream, which aqueous stream is produced by a conve...  
WO/2011/022811A1
A process for recovering a volatile carboxylic acid from an aqueous stream comprising same, the process comprising the steps of: (i) steam stripping the carboxylic acid from the aqueous stream, which aqueous stream is produced by a conve...  
WO/2011/022938A1
A continuous extracting system for material to be processed comprises extracting container (1) which is a sealed container of approximately parallelepiped. The extracting container (1) has a first end and a second end along its the longi...  
WO/2011/022823A1
Provided is a novel method for extracting nutrients, toxins and drugs from a solid sample, comprising adding a solvent such as hexane and isopropanol to said sample, subjecting the sample and solvent to ultrasonic energy, subjecting the ...  
WO/2011/024738A1
Provided is a method for chemically manipulating a fluid, wherein a first fluid and a second fluid, which form two phases, are supplied to a very small channel and chemically manipulated. A device is used that has a supply channel for th...  
WO/2011/021092A2
A process for the separation of high purity organic fractions from oil sands is disclosed.  
WO/2011/018096A1
The present invention relates to a concentration- and purification method for compositions containing phytanic acid and/or derivatives thereof besides other fatty acids and/or their derivatives, preferably besides polyunsaturated fatty a...  
WO/2011/014122A1
Various systems and processes for extracting Vitamin E from a fatty acid distillate (FAD) having a Vitamin E component are disclosed. The process includes preparing a mixture of a FAD and a non-polar solvent (e.g., hexane). The mixture c...  
WO/2011/011972A1
Method for extracting lignite wax is provided, which includes the following steps: a) coal powder is treated in subcritical or supercritical fluid in the presence of a catalyst so as to obtain semi-coke containing lignite wax; b) a solve...  
WO/2011/010587A1
Disclosed is a novel method for treating a liquid waste of a coating agent, which is simple in constitution, is easy to handle, can operate easily, and is highly efficient. Specifically disclosed is a method for treating a liquid waste c...  
WO/2011/000094A1
The present disclosure includes a process for separating protein and an organic solvent from a defatted biomass comprising: a) contacting the defatted biomass with an aqueous solvent to: i) extract protein from the defatted biomass into ...  
WO/2010/146261A2
The invention relates to a microfluidic system including a unit for extracting elements from one liquid phase to at least one other liquid phase, a use of said system for performing said extraction, preferably for gelling polymer capsule...  
WO/2010/146365A1
A liquid membrane system is disclosed in the form of a biochannel containing bulk liquid membrane (BLM), biochannel containing emulsion liquid membrane (ELM), and biochannel containing supported (immobilised) liquid membrane (SLM), or a ...  
WO/2010/146365A8
A liquid membrane system is disclosed in the form of a biochannel containing bulk liquid membrane (BLM), biochannel containing emulsion liquid membrane (ELM), and biochannel containing supported (immobilised) liquid membrane (SLM), or a ...  
WO/2010/142841A1
The invention relates to a method and apparatus for restoring the extractive potential of organic hydroxyoxime-based extraction solution used in the recovery of metals by liquid-liquid extraction. The method is two-stage, in which an aqu...  
WO/2010/138045A1
A method for production of ammonium phosphates comprises providing (210) of a phosphorus-loaded water immiscible liquid phase, adding (212) of anhydrous ammonia to the water immiscible liquid phase, precipitating (214) of mono-ammonium p...  
WO/2010/135660A3
Ionic liquid (IL)-mediated sol-gel hybrid organic-inorganic materials present enormous potential for effective use in analytical microextraction. One obstacle to materializing this prospect arises from high viscosity of ILs significantly...  
WO/2010/135660A2
Ionic liquid (IL)-mediated sol-gel hybrid organic-inorganic materials present enormous potential for effective use in analytical microextraction. One obstacle to materializing this prospect arises from high viscosity of ILs significantly...  
WO/2010/130589A1
The invention relates to a method for recovering reusable material, in particular phosphate, from sludge products, namely sludge, sludge ash or sludge scum, by extraction. In said method: the sludge product is suspended in water, alcohol...  
WO/2010/128118A1
The invention relates to a method for obtaining at least one aromatic amine from a water and the liquid mixture containing the at least one aromatic amine by extraction using at least one nitroaromatic compound in an extraction column (1...  
WO/2010/126381A1
The invention relates to compositions for, and methods of, delivering treatment compounds to lignocellulosic substrates, wherein the solvent is recovered using RF energy.  

Matches 601 - 650 out of 8,607