| Entries |
| Document | Title | Date |
|---|
| 20080200701 | Method For Making a Chlorohydrin Starting With a Polyhydroxylated Aliphatic Hydrocarbon - Process for preparing a chlorohydrin by reacting a polyhydroxylated aliphatic hydrocarbon with a chlorinating agent in a reactor which is supplied with one or more liquid streams containing less than 50% by weight of the polyhydroxylated aliphatic hydrocarbon relative to the weight of the entirety of the liquid streams. | 08-21-2008 |
| 20080200702 | Novel Intermediates, Process for Their Preparation and Process for the Preparation of Coq10 Employing the Said Novel Intermediates - The present invention relates to an improved process for the preparation of Coenzyme Q. Coenzyme Q | 08-21-2008 |
| 20080255378 | High productivity process for non-phenolic ethoxylates - The present invention provides a process for the production of an ethoxylate involving charging a portion of product from a previous preparation (a “heel”) or an ethoxylate to a reactor, optionally, charging from about 0.2 wt. % to an amount equal or greater than the amount of heel of a C | 10-16-2008 |
| 20080300416 | Process - (Process of manufacturing propylene oxide and styrene which process comprises: (i) contacting propene with a mixture of ethylbenzene hydroperoxide and ethylbenzene in the presence of catalyst to obtain propylene oxide and 1-phenylethanol, (ii) separating propylene oxide from the reaction mixture obtained in step (i), (iii) subjecting the mixture obtained in step (ii) to distillation to obtain a top stream containing ethylbenzene and a bottom stream containing 1-phenylethanol, (iv) subjecting the bottom stream containing 1-phenylethanol obtained in step (iii) to a further distillation to obtain a top stream containing purified 1-phenylethanol and a bottom stream containing heavy by-products, (v) contacting the top stream containing 1-phenylethanol obtained in step (iv) with a dehydration catalyst to obtain styrene and water, (vi) subjecting the reaction mixture obtained in step (v) to distillation to obtain a top stream containing styrene and water and a bottom stream containing unconverted 1-phenylethanol, 2-phenylethanol, methylphenylketone and by-products, (vii) subjecting the bottom stream containing unconverted 1-phenylethanol, 2-phenylethanol, methylphenylketone and further by-products obtained in step (vi) to distillation to obtain a top stream containing methylphenylketone and a bottom stream containing 2-phenylethanol and heavy by-products, and (viii) recycling to step (iv) the bottom stream containing 2-phenylethanol and heavy by-products obtained in step (vii), wherein the bottom stream obtained in step (vii) is introduced into the distillation of step (iv) below the point at which the bottom stream containing 1-phenylethanol obtained in step (iii) is introduced. | 12-04-2008 |
| 20080306288 | Method for Producing Olefin Oxides and Peroxides, Reactor and the Use Thereof - A process for reactions with or to form peroxidic compounds in a wall reactor whose reaction space has a specific material coating is described. | 12-11-2008 |
| 20080306289 | CATALYST COMPOSITION, A PROCESS FOR PREPARING THE CATALYST COMPOSITION AND A USE OF THE CATALYST COMPOSITION - A catalyst composition comprising a support having a surface area of at least 500 m | 12-11-2008 |
| 20090292132 | REACTOR SYSTEM AND PROCESS FOR REACTING A FEED - A reactor system comprising:
| 11-26-2009 |
| 20090306416 | Propylene oxide process - A process for making propylene oxide from propylene is disclosed. The process comprises reacting propylene, oxygen, and hydrogen in the presence of a catalyst, a solvent, and a buffer to produce a reaction mixture comprising propylene oxide. Separation of light components from the reaction mixture gives a heavy residue comprising the buffer. The buffer is precipitated from the heavy residue by a precipitating agent. | 12-10-2009 |
| 20090318718 | PROCESS FOR PRODUCTION OF GLYCIDOL - The present invention relates to a process for producing glycidol from glycerol carbonate as a raw material with a high yield. The process for producing glycidol according to the present invention includes the steps of (1) reducing a content of a salt having a weak acidity in glycerol carbonate to 1500 ppm by mass or less; and (2) obtaining the glycidol from the glycerol carbonate. | 12-24-2009 |
| 20100056814 | PROPYLENE OXIDE PROCESS - A process for making propylene oxide from propylene is disclosed. The process comprises reacting propylene, oxygen, and hydrogen in the presence of a catalyst and a solvent to produce a reaction mixture comprising propylene oxide. Separation of propylene, oxygen, hydrogen, and propylene oxide from the reaction mixture results in a residual mixture comprising methanol. A portion of the residual mixture is recycled to the reaction. A portion of the residual mixture is distilled to generate a distilled methanol stream, which is recycled to the reaction. | 03-04-2010 |
| 20100094029 | PROCESS FOR PRODUCING PROPYLENE OXIDE - A process for producing propylene oxide, which comprises:
| 04-15-2010 |
| 20100137621 | PROCESS AND APPARATUS FOR REDUCING HEAVY BYPRODUCT FORMATION DURING DISTILLATION - A process and apparatus for recovering dichlorohydrins from a mixture comprising dichlorohydrins, water, one or more compounds selected from esters of dichlorohydrins, monochlorohydrins and/or esters thereof, and multihydroxylated-aliphatic hydrocarbon compounds and/or esters thereof, and optionally one or more substances comprising chlorinating agents, catalysts and/or esters of catalysts while minimizing formation of heavies is disclosed. | 06-03-2010 |
| 20100174099 | Propylene oxide reactor gas distribution system - A device for reacting fluids comprising:
| 07-08-2010 |
| 20100191005 | OXYGEN/HYDROCARBON RAPID (HIGH SHEAR) GAS MIXER, PARTICULARLY FOR THE PRODUCTION OF ETHYLENE OXIDE - A gas mixer is disclosed which includes a vessel ( | 07-29-2010 |
| 20100267972 | METHOD OF ACHIEVING AND MAINTAINING A SPECIFIED ALKYLENE OXIDE PRODUCTION PARAMETER WITH A HIGH EFFICIENCY CATALYST - An improved method of operating an alkylene oxide production process to achieve and maintain a desired alkylene oxide production parameter is shown and described. The method comprises adjusting one of an overall catalyst chloriding effectiveness parameter or reaction temperature to obtain the desired alkylene oxide production parameter. | 10-21-2010 |
| 20110004009 | GAS-LIQUID DISPERSION DEVICE AND METHOD FOR PRODUCING GAS-LIQUID DISPERSION - The present invention relates to a gas-liquid dispersion device which is used in a column wherein a gas-liquid mixed fluid flows upward which comprises a liquid as a continuous phase and a gas as a dispersed phase, characterized in that the gas is dispersed effectively into the liquid, so that a sufficient contact between the gas and the liquid can be attained. The device is characterized in that (A) the plate has at least one hole through which the gas and the liquid pass, (B) one end of the conduit is connected to the hole at a lower surface of the plate so that the conduit extends downward from the plate, (C) at least one passage for the gas is provided through a side surface of the conduit, and (D) at least one passage for the liquid is provided in a lower part of the conduit. | 01-06-2011 |
| 20110015414 | PROCESS FOR PRODUCING GLYCIDOL - The present invention relates to a process for producing glycidol from glycerol carbonate by subjecting the glycerol carbonate to decarboxylation reaction in the presence of a solvent containing no active hydrogen. In the process, glycidol can be produced from glycerol carbonate as a raw material of the glycidol with a high selectivity. | 01-20-2011 |
| 20110021795 | PRODUCION METHOD OF PROPYLENE OXIDE - A production method of propylene oxide, wherein hydrogen, oxygen and propylene are reacted by a multistep process in a mixed solvent of acetonitrile and water, in the presence of a layered precursor of Ti-MWW and a catalyst comprising palladium supported on a carrier. | 01-27-2011 |
| 20110034709 | TUBE REACTOR - Apparatus, methods, and processes are provided for a tube reactor including multiple, substantially parallel reaction tubes arranged within a tube reactor shell, the reaction tubes spaced apart such that a thermal fluid can flow between the tubes and transfer heat between the tubes and the thermal fluid during operation; an inlet head defining an inlet head space, where the inlet head space is in fluid communication with an inlet end of the reaction tubes, and an outlet head including an outlet head shell and at least one insert positioned within an outlet head space defined by the outlet head, where the insert defines a reduced volume outlet head space relative to that defined by the outlet head, and where the reduced volume outlet head space is in fluid communication with an outlet end of the reaction tubes and in fluid communication with a reactor outlet. | 02-10-2011 |
| 20110046401 | PROCESS FOR PREPARING GLYCIDYL ESTERS - Process for preparing glycidyl esters, wherein carbonate esters of the formula I | 02-24-2011 |
| 20110130578 | STEREOSELECTIVE SYNTHESIS OF CERTAIN TRIFLUOROMETHYL-SUBSTITUTED ALCOHOLS - A process for stereoselective synthesis of a compound of Formula (X) or Formula (X′) | 06-02-2011 |
| 20110130579 | PROCESS FOR THE PREPARATION OF A TITANIUM ZEOLITE CATALYST - A process for the preparation of a catalyst for the use in a hydrocarbon conversion reaction, said catalyst containing a titanium zeolite and carbonaceous material, the catalyst containing said carbonaceous material in an amount of from 0.01 to 0.5% by weight based on the total weight of titanium zeolite contained in the catalyst, the process comprising (i) preparing a catalyst containing the titanium zeolite and (ii) depositing carbonaceous material on the catalyst according to (i) in an amount of from 0.01 to 0.5% by weight based on the total weight of titanium zeolite contained in the catalyst by contacting said catalyst, prior to using the catalyst in said hydrocarbon conversion reaction, with a fluid containing at least one hydrocarbon in an inert atmosphere, to obtain the carbonaceous material containing catalyst, wherein in (ii), the catalyst is not contacted with an oxygen containing gas. | 06-02-2011 |
| 20110144361 | EFFICIENT PROCESS FOR PRODUCING EPOXIDES BY OXIDATION OF OLEFINS IN THE HOMOGENEOUS GAS PHASE - An economical one-step process is provided for the preparation of epoxides by oxidation of olefins in a homogeneous gas phase reaction, wherein the olefin is reacted in a flow reactor with a gas mixture of ozone and NO | 06-16-2011 |
| 20110152545 | Process for manufacturing chlorohydrins, epodixes, diols, diols derivatives or epoxy derivatives - Process for manufacturing a chemical: chlorohydrins, epoxides, diols, diols derivatives, epoxy derivatives or mixtures thereof, in an industrial plant, comprising a step of chemical reaction for manufacturing the chemical and at least one step selected from the group consisting of storage, supply, removal, transfer, chemical treatment and physical treatment of compounds used or produced in such process, in which at least one aqueous effluent is generated, this aqueous effluent containing at least one of overhead waters, surface waters, ground waters, waters from drinking water distribution networks, waters from industrial water distribution networks, plant cleaning waters, or waters used for heating and cooling the plant, this aqueous effluent containing at least one compound other than water and exhibiting at least one of the following features, a water solubility at 25° C. greater than or equal to 0.01 g/kg of water and a boiling point at 1013 mbar, greater than or equal to −100° C., in which at least one part of the generated aqueous effluent is collected, and in which at least one portion of the collected aqueous effluent is recycled in the manufacturing process. | 06-23-2011 |
| 20120010420 | PROCESS FOR PRODUCING AN ORGANIC COMPOUND - Process for producing a chlorohydrin by reaction between a multihydroxylated-aliphatic hydrocarbon, an ester of a multihydroxylated-aliphatic hydrocarbon, or a mixture thereof, and a chlorinating agent, according to which the multihydroxylated-aliphatic hydrocarbon, the ester of a multihydroxylated-aliphatic hydrocarbon, or the mixture thereof used contains at least one solid or dissolved metal salt, the process comprising a separation operation to remove at least part of the metal salt. | 01-12-2012 |
| 20120016142 | METHOD FOR PRODUCING HEXAFLUOROPROPYLENE OXIDE - The present invention provides a novel method for producing hexafluoropropylene oxide, which can attain a high HFPO selectivity without using a phase transfer catalyst. Hexafluoropropylene (HFP), a water-soluble and aprotic organic solvent, and an aqueous solution of an oxidizing agent are introduced into a small space, thereby bringing into contact with each other and reacting hexafluoropropylene with the oxidizing agent to obtain hexafluoropropylene oxide (HFPO). | 01-19-2012 |
| 20120035380 | PROCESS FOR PREPARING EPICHLOROHYDRIN FROM GLYCEROL - A process for preparing epichlorohydrin includes chlorinating glycerol with gaseous hydrogen chloride in a bubble column, by supplying hydrogen chloride, glycerol and a mixture of monochloropropanediol and residues of glycerol recycled from the distillation units connected downstream of the bubble column, dichloropropanol and residues to the bottom of the bubble column, and, close to the top of the bubble column, drawing off the mixture of monochloropropanediol, dichloropropanol, water, residues of glycerol and residues formed there and feeding it to at least one distillation unit, after which the dichloropropanol and water distilled off there are hydrolyzed with sodium hydroxide solution. Unconverted hydrogen chloride drawn off from the top of the bubble column is absorbed with freshly supplied glycerol in a scrubber, and this hydrogen chloride-containing glycerol is supplied at the bottom of the bubble column. Preference is given to increasing the conversion rate by using oxalic acid as a catalyst. | 02-09-2012 |
| 20120065412 | SYSTEM AND PROCESS FOR PRODUCING HIGHER-VALUE HYDROCARBONS FROM METHANE - The present invention relates to a process for producing hydrocarbons from methane, which comprises, in a first stage (i), reacting methane to form ethylene and, in a later stage (ii), reacting the product mixture obtained in stage (i) which comprises ethylene and methane to give higher-value hydrocarbons. | 03-15-2012 |
| 20120178949 | PREPARATION OF AN ACTIVE INTERMEDIATE - A process for the preparation of an organic reactive intermediate that contains a combination of epoxy groups, hydroxy groups and unsaturated groups wherein the process can be utilized to control the amounts of each of the functional groups in the final product. The reactive intermediates are prepared from natural triglyceride plant and animal oils containing unsaturation. | 07-12-2012 |
| 20120259132 | PROCESS TO PREPARE AN ETHANOL-DERIVATE - The invention is directed to a process to prepare an ethanol-derivate compound or compounds by reacting ethanol in the presence of molecular oxygen and a catalyst comprising a gamma-alumina carrier, metal nano-particles wherein the metal is selected from silver, copper or gold. The invention is also directed to processes to prepare such a catalyst. | 10-11-2012 |
| 20130005997 | PREPARATION OF 2,2-BIS (FLUOROALKYL) OXIRANE AND PREPARATION OF PHOTOACID GENERATOR THEREFROM - A 2,2-bis(fluoroalkyl)oxirane (A) is prepared by reacting a fluorinated alcohol (1) with a chlorinating, brominating or sulfonylating agent under basic conditions to form an oxirane precursor (2) and subjecting the oxirane precursor to ring closure under basic conditions. R | 01-03-2013 |
| 20130085286 | Unknown - A process for preparing amines of the formula (II) | 04-04-2013 |
| 20130096326 | METHOD OF BIOBASED CHEMICAL PRODUCTION FROM CRUDE BIOGLYCERIN - A method of purification and production of value-added, biobased chemicals and derivative products from crude bioglycerin is described herein. The present method provides methods for desalinating, decolorizing, and concentrating bioglycerin for the production of biobased chemicals or purified bioglycerin. | 04-18-2013 |
| 20130096327 | METHOD FOR PREPARING CHLOROHYDRINS AND METHOD FOR PREPARING EPICHLOROHYDRIN USING CHLOROHYDRINS PREPARED THEREBY - A method of preparing chlorohydrins and a method of preparing epichlorohydrin by using chlorohydrins prepared using the method are provided. The method of preparing chlorohydrins by reacting polyhydroxy aliphatic hydrocarbon with a chlorination agent in the presence of a catalyst includes at least one combination of a series of unit operations including a first reaction step, a water removal step, and a second reaction step, in that respective order, wherein the method further includes purifying chlorohydrins from a reaction mixture discharged from a final reaction step of the plurality of reaction steps. The method of preparing epichlorohydrin includes reacting chlorohydrins prepared using the method of preparing chlorohydrins, with an alkaline agent. | 04-18-2013 |
| 20130102801 | METHOD FOR PREPARING CHLOROHYDRINS COMPOSITION AND METHOD FOR PREPARING EPICHLOROHYDRIN USING CHLOROHYDRINS COMPOSITION PREPARED THEREBY - Provided are a method of preparing a chlorohydrin composition and a method of preparing epichlorohydrin by using a chlorohydrin composition prepared by using the method. The method of preparing chlorohydrins in which polyhydroxy aliphatic hydrocarbon is reacted with a chlorination agent in the presence of a catalyst includes performing at least one combination of a series of unit operations comprising a first reaction step, a water removal step, and a second reaction step in this stated order, wherein the method further includes mixing a chlorohydrin concentrate obtained by purifying the reaction mixture discharged from the final reaction step from among the reaction steps and a water-rich layer discharged from the water-removal step and diluting the mixture with water. The method of preparing epichlorohydrin includes contacting the chlorohydrin composition prepared by using the method of preparing a chlorohydrin composition with an alkaline agent. | 04-25-2013 |
| 20130225843 | PROCESS FOR THE MANUFACTURE OF DICHLOROPROPANOL - A process for manufacturing dichloropropanol in which glycerol and/or monochloropropanediol are reacted with hydrogen chloride, in a liquid reaction medium, which is in contact with a gaseous phase, in at least two reactors arranged in a loop, and under a partial pressure of hydrogen chloride in the first reactor which is greater than the partial pressure of hydrogen chloride in the second reactor. This process is suitable for recovering dichloropropanol free from hydrogen chloride and the recovered dichloropropanol may be used in subsequent reactions while avoiding overconsumption of basic agent and loss of recoverable hydrogen chloride, and corrosion during transfer and storage of dichloropropanol will be limited. | 08-29-2013 |
| 20130310581 | Process for the manufacture of 1,2-epoxy-3-chloropropane - Process for the manufacture of 1,2-epoxy-3-chloropropane by reaction between allyl chloride and hydrogen peroxide in the presence of a solid catalyst and in the possible presence of at least one solvent in an epoxidation medium comprising at least two liquid phases under the conditions of reaction, comprising feeding continuously a reaction zone comprising the catalyst with at least allyl chloride, hydrogen peroxide and possibly at least one solvent at a total liquid linear velocity higher than or equal to 0.01 m/s and lower than or equal to 1 m/s, wherein the pressure drop across the reaction zone is lower than or equal to 25 kPa/m. | 11-21-2013 |
| 20130310582 | PROCESS FOR REMOVING IRON IONS FROM AN ORGANIC STREAM - Embodiments of the present disclosure include a process for removing iron ions from an organic stream by contacting the organic stream with an ion exchange resin prior to contacting the organic stream with a peroxide solution including a stabilizer. | 11-21-2013 |
| 20140135512 | METHOD FOR PRODUCING GLYCIDOL - Disclosed is a method for producing glycidol by decarboxylation of glycerol carbonate. In the method, an ionic liquid catalyst is added for the reaction. According to the method glycidol can be produced in high yield and selectivity. The method enables the production of glycidol in an easy, simple and environmentally friendly way. | 05-15-2014 |
| 20140275584 | PRODUCTION OF AROMATICS FROM DI- AND POLYOXYGENATES - Methods, catalysts, and reactor systems for producing in high yield aromatic chemicals and liquid fuels from a mixture of oxygenates comprising di- and polyoxygenates are disclosed. Also disclosed are methods, catalysts, and reactor systems for producing aromatic chemicals and liquid fuels from oxygenated hydrocarbons such as carbohydrates, sugars, sugar alcohols, sugar degradation products, and the like; and methods, catalysts, and reactor systems for producing the mixture of oxygenates from oxygenated hydrocarbons such as carbohydrates, sugars, sugar alcohols, sugar degradation products, and the like. The disclosed catalysts for preparing the mixture of oxygenates comprise a Ni | 09-18-2014 |
| 20160200641 | PROCESS FOR FUNCTIONALIZING BIOMASS USING MOLYBDENUM CATALYSTS | 07-14-2016 |
| 20160200699 | GLYCIDOL PREPARATION | 07-14-2016 |
