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8962881 Oxidized organic compound manufacturing method  
The disclosed invention is a method for manufacturing an oxidized organic compound which includes a step of forming an oxidized organic compound, in use of a fixed-bed reactor having a reaction...
8865614 Process for producing a ringlike oxidic shaped body  
A process for producing a ringlike oxidic shaped body by mechanically compacting a pulverulent aggregate introduced into the fill chamber of a die, wherein the outer face of the resulting compact...
8829235 Process for preparation of methyl methacrylate by esterification during oxidation  
The invention relates to a process for preparation of methacrylic acid, comprising the steps: a) providing a feed composition comprising a main compound selected from isobutylene and tert-butyl...
8748545 Process for producing bio-resourced polymer-grade acrylic acid from glycerol  
The present invention relates to the manufacture of bioresourced polymer-grade acrylic acid from glycerol. The polymer grade acrylic acid produced has limited content of certain impurities harmful...
8742169 Acrolein manufacturing method and acrylic acid manufacturing method  
The present invention relates to a method for producing acrolein, comprising step (1) of subjecting glycerol to dehydration reaction in the presence of a copper compound and a compound containing...
8563774 Method for producing catalyst  
Disclosed is a method for producing a catalyst, in which physical properties of a dried material or a calcined material in a production process of the catalyst are stable and a change in at least...
8546293 Process for continuously producing geometric shaped catalyst bodies K  
A process for producing geometric shaped catalyst bodies K whose active material is a multielement oxide which comprises the element Mo, the elements Bi and/or V and one or more of the elements...
8491758 Process for inhibiting polymerization of (meth)acrylic acid and/or (meth)acrylic esters  
A process for inhibiting polymerization of (meth)acrylic acid and/or (meth)acrylic esters by introducing an oxygenous gas into the (meth)acrylic acid and/or the (meth)acrylic ester, in which the...
8492584 Process and apparatus for oxidizing organic compounds  
The invention relates to a process for oxidizing at least one organic substance with oxygen, which comprises the following steps: (a) adding the at least one organic substance as a liquid and an...
8481448 Catalyst for oxidation of saturated and unsaturated aldehydes to unsaturated carboxylic acid, method of making and method of using thereof  
The invention is a heteropoly acid compound catalyst composition, a method of making the catalyst composition and a process for the oxidation of saturated and/or unsaturated aldehydes to...
8461380 Method for production of acrylic acid  
To provide a method of producing acrylic acid which enables low energy-consumption production of acrylic acid from glycerin mixtures including glycerin and one or more compound selected from the...
8426335 Catalyst and process for production of acrylic acid  
An object of the present invention is to provide: a catalyst for production of acrylic acid which is a catalyst usable for production of acrylic acid and is excellent in the catalytic performances...
8404887 Process for producing acrylic acid  
A process for producing acrylic acid of the present invention comprises the step of conducting gas-phase oxidative dehydrogenation of a composition containing propionaldehyde using a solid...
8378136 Process for manufacturing acrolein from glycerol  
The subject of the present invention is a process for preparing acrolein by dehydration of glycerol in the presence of a catalyst system comprising oxygen, phosphorus and at least one metal chosen...
8362296 Process for preparing 4-pentenoic acid  
The present invention relates to a process for preparing 4-pentenoic acid, at least comprising the oxidation of a mixture (G) comprising 4-pentenal, 3-methyl-2-butanone and cyclopentene oxide, and...
8318978 Process for producing acrylic acid  
The invention offers an improvement in a process for start-up in the occasion of producing acrylic acid by catalytically oxidizing acrolein at vapor phase under high load conditions, the start-up...
8232425 Process for heterogeneously catalyzed partial gas phase oxidation of propylene to acrylic acid  
A process for heterogeneously catalyzed partial gas phase oxidation of propylene to acrylic acid, in which the starting reaction gas mixture comprises cyclopropane as an impurity and the acrylic...
8212070 Method for preparing acrylic acid from glycerol  
The invention relates to a method for preparing acrylic acid from an aqueous glycerol solution, comprising a first step of dehydration of the glycerol to acrolein, carried out in the gas phase in...
8198477 Process for production of acrolein from glycerol  
The present invention relates to a process for producing acrolein by liquid phase dehydration of glycerol by preparing a mixture of a catalyst suspended in an organic solvent comprising one or...
8188310 Process for the long-term operation of a heterogeneously catalyzed partial gas phase oxidation of an organic starting compound  
A process for the long-term operation of a heterogeneously catalyzed partial gas phase oxidation of an organic starting compound, in which the reaction gas input mixture is partially oxidized over...
8178719 Method for producing acrylic acid  
There is provided a novel process for producing acrylic acid by which acrylic acid can be obtained from a raw material independent of petroleum. The process for producing acrylic acid according to...
8178720 Method for producing unsaturated aldehyde and unsaturated carboxylic acid  
Disclosed is a method of a gas-phase catalytic oxidation reaction of propylene, isobutylene, or tertiary butanol with molecular oxygen in the presence of a catalyst to produce a corresponding...
8173838 Method for producing at least one of α, β-unsaturated aldehyde and α, β-unsaturated carboxylic acid  
Disclosed is a method for producing at least one of an α,β-unsaturated aldehyde and an α,β-unsaturated carboxylic acid from an alcohol in a liquid phase through a simple process. Namely, at least...
8076510 Process for starting-up a heterogeneously catalyzed partial gas phase oxidation of acrolein to acrylic acid or of methacrolein to methacrylic acid  
A process for starting-up a heterogeneously catalyzed partial gas phase oxidation of acrolein to acrylic acid or of methacrolein to methacrylic acid over a fixed catalyst bed disposed in a tube...
8076509 Process for producing acrylic acid  
The present invention provides a process for producing acrylic acid from glycerin with a catalyst having a prolonged life. In the process for producing acrylic acid from glycerin, a molar ratio of...
7999133 Methods for making unsaturated acids using catalysts for methacrolein oxidation  
Methods for making unsaturated acids using catalysts for oxidation of unsaturated and/or saturated aldehyde to unsaturated acids is disclosed where the catalyst including at least molybdenum (Mo)...
7939597 Acrylic acid and water-absorbing polymer structures based on renewable raw materials and process for their production by dehydration  
The present invention relates to a process for production of acrylic acid, comprising the steps of a) dehydration of glycerine to an acrolein-comprising dehydration product; b) gas phase oxidation...
7910771 Method for producing acrylic acid from glycerol  
The invention relates to a method for producing acrylic acid in one step by an oxydehydration reaction of glycerol in the presence of molecular oxygen. The reaction preferably carried out in...
7884238 Process for the long-term operation of a heterogeneously catalyzed partial gas phase oxidation of an organic starting compound  
A process for the long-term operation of a heterogeneously catalyzed partial gas phase oxidation of an organic starting compound, in which the reaction gas input mixture is partially oxidized over...
7884239 Catalyst for producing α,β-unsaturated carboxylic acid and method for preparation thereof, and method for producing α,β-unsaturated carboxylic acid  
The object of the present invention is to provide a catalyst which can produce an α,β-unsaturated carboxylic acid through liquid-phase oxidation of an olefin or an α,β-unsaturated aldehyde in good...
7828021 Method of storing (meth)acrylic ester  
A method of storing (meth)acrylate in a tank of a less expensive and highly versatile material without losing stability of the stored (meth)acrylate. To be specific, a method of storing...
7695695 Reactor or heat exchanger with improved heat transfer performance  
A shell-and-tube reactor or heat exchanger comprises first tubes, through the inside of which a first object for heat transfer with a heat transfer medium is passed, some of the first tubes being...
7649111 Catalyst for the oxidation of a mixed aldehyde feedstock to methacrylic acid and methods for making and using same  
A heteropolyacid catalyst for oxidation of isobutyraldehyde, methacrolein or mixtures or combinations thereof to methacrylic acid is disclosed where the heteropolyacid catalyst includes at least...
7612230 Method for producing acrylic acid  
There is provided a novel process for producing acrylic acid by which acrylic acid can be obtained from a raw material independent of petroleum. The process for producing acrylic acid according to...
7608734 Method of producing unsaturated acid in fixed-bed catalytic partial oxidation reactor with high efficiency  
Disclosed is a process for producing unsaturated aldehydes and/or unsaturated acids from olefins or alkanes in a fixed bed shell-and-tube heat exchanger-type reactor by catalytic vapor phase...
7588739 Fixed bed multitube reactor  
A fixed-bed multitubular reactor, comprising a plurality of reaction tubes (3) filled with a catalyst and catalyst temperature measurers (4) measuring the temperatures of the reaction tubes near...
7566804 Process for preparing acrylic acid  
A process for preparing acrylic acid, in which an acrylic acid-comprising product gas mixture obtained by catalytic gas phase partial oxidation of a C3 precursor of acrylic acid is fractionally...
7563927 Process for producing (meth)acrylic acid or (meth)acrolein  
A producing method of (meth)acrolein or (meth)acrylic acid where by use of a multi-tubular reactor that has a plurality of reaction tubes filled with a catalyst, catalytic gas phase oxidation of...
7544836 Process for producing (meth)acrolein or (meth)acrylic acid  
An object of the invention is to provide a production method for (meth)acrolein or (meth)acrylic acid which can continue an operation without causing a decomposition reaction of acrolein or the...
7541490 Method for production of acrylic acid and apparatus for production of acrylic acid  
Chilled coolant is prepared by liquid coolant utilizing the latent heat generated by a gasification of liquefied propylene, for example, and this chilled coolant is used in heat exchangers which...
7524987 Process for preparing acrolein or acrylic acid or a mixture thereof from propane  
A process for preparing acrolein, or acrylic acid or a mixture thereof as a target product from propane, in which propane is partially dehydrogenated under heterogeneous catalysis in a reaction...
7518015 Process for heterogeneously catalyzed gas phase partial oxidation of at least one organic starting compound  
A process for heterogeneously catalyzed gas phase partial oxidation of an organic starting compound over a fixed catalyst bed freshly installed into a reaction chamber, in which the reduction in...
7511172 Method for production of (meth)acrylic acid  
A method for producing acrylic acid by absorbing acrylic acid at a high ratio and obtaining an acrylic acid-containing solution of high concentration is provided. This method comprises a step of...
7429678 Composite-oxide catalyst and process for production of acrylic acid using said catalyst  
There are disclosed a catalyst and a process for production of acrylic acid using this catalyst, wherein, even under conditions where hot spots are formed, the catalyst is excellent in activity,...
7414149 Non-routine reactor shutdown method  
The non-routine (e.g., emergency) shutdown of a chemical reaction process is achieved by a method of safely operating a chemical reaction process which comprises the steps of detecting an...
7332624 Method for production of acrylic acid  
A method for the production of acrylic acid comprises (i) a step for introducing a polymerization inhibitor to a stage other than a stage for supplying a raw material and a stage for supplying a...
7332139 Process and device for carrying out reactions in reactor with slot-shaped reaction spaces  
Reactions between at least two fluid reactants are performed in a reactor comprising wall elements (1), slot-shaped reaction spaces (3) and cavities (5) for conducting a fluid heat-carrier...
7326810 Method for starting up reactor  
In the reaction of catalytic gas phase oxidation induced by the supply of at least a raw material to be oxidized and a molecular oxygen-containing gas to a reactor for catalytic gas phase...
7326811 Method for production of (meth)acrylic acid by use of a shell-and-tube heat exchanger  
A shell-and-tube type heat exchanger of the smallest possible length necessary for heat exchange is disclosed which is capable of obtaining uniform distribution of flow of a shell side fluid and...
7321060 Method for production of acrylic acid  
A method for the production of acrylic acid of high concentration by absorbing acrylic acid with high absorption ratio of acrylic acid is provided. In a method for producing acrylic acid by a...

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