| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 560232000 | Preparing esters by carbonylation | 43 |
| 20080221352 | Integrated process for producing carbonylation acetic acid, acetic anhydride, or coproduction of each from a methyl acetate by-product stream - The present invention is directed to using methyl acetate from a vinyl acetate-based or a vinyl- or ethylene-alcohol based polymer or copolymer process directly for use in a methanol carbonylation production process to produce acetic acid, acetic anhydride, or a coproduction of each. | 09-11-2008 |
| 20080234512 | Integrated process for producing carbonylation acetic acid, acetic anhydride, or coproduction of each from a methyl acetate by-product stream - The present invention is directed to using methyl acetate from a vinyl acetate-based or a vinyl-or ethylene-alcohol based polymer or copolymer process directly for use in a methanol carbonylation production process to produce acetic acid, acetic anhydride, or a coproduction of each. | 09-25-2008 |
| 20090005588 | METHOD OF PRODUCING ETHYL ACETATE - Methods and systems for the production of ethyl acetate are described herein. The methods and systems incorporate the novel use of a high shear device to promote dispersion and mixing of a carbonyl co-reactant (e.g. acetic acid, acetaldehyde) with ethanol. The high shear device may allow for lower reaction temperatures and pressures and may also reduce reaction time with existing catalysts. | 01-01-2009 |
| 20090105500 | Process for the Production of Carbonylation Products - A carbonylation process for the production of a carbonylation product such as a carboxylic acid and a carboxylic acid ester by contacting carbon monoxide with a feed comprising an alcohol such as methanol and/or a reactive derivative thereof such as methyl acetate in the vapour phase using a heterogeneous heteropolyacid catalyst which has been ion-exchanged or loaded with at least one metal selected from rhodium, iridium, copper and palladium and a Group IA metal selected from lithium, sodium, potassium and rubidium. | 04-23-2009 |
| 20090247783 | CARBONYLATION PROCESS - Disclosed is an improved carbonylation process for the production of carboxylic acids, carboxylic acid esters, and/or carboxylic acid anhydrides wherein a carbonylation feedstock compound selected from one or more organic oxygenates such as alcohols, ethers, and esters is contacted with carbon monoxide in the presence of a carbonylation catalyst and one or more onium compounds. The carbonylation process differs from known carbonylation processes in that a halide compound, other than the onium salt, such as a hydrogen halide (typically, hydrogen iodide) and/or an alkyl halide (typically, methyl iodide), extraneous or exogenous to the carbonylation process is not fed or supplied to the process. The process can be improved by using a bidentate ligand comprising two functional groups selected from tertiary amines and tertiary phosphines, such as 2,2′-bipyridine and diphosphine derivatives. | 10-01-2009 |
| 20090275774 | Process for the Preparation of Carboxylic Acids and/or Derivatives Thereof - Preparation Of C1-C6 aliphatic carboxylic acids and/or esters or anhydrides thereof by reacting an alcohol and/or reactive derivative thereof with carbon monoxide under hydrous conditions in the presence of a ferrierite catalyst. | 11-05-2009 |
| 20100063315 | PROCESS FOR THE CARBONYLATION OF DIMETHYL ETHER - Production of methyl acetate by carbonylating a dimethyl ether feed with carbon monoxide in the presence of hydrogen under substantially anhydrous conditions, in the presence of a zeolite catalyst at a temperature in the range of greater than 250° C. to 350° C. and a dimethyl ether concentration of at least 1 mol %. | 03-11-2010 |
| 20100105947 | PROCESS FOR THE PRODUCTION OF ALKYL ALKOXYACETATES - A process for the production of lower alkyl alkoxyacetates, preferably methyl methoxyacetate, by reaction of a di-(lower alkoxy)methane, preferably dimethoxymethane, with the acid form of a medium-pore or large-pore zeolite catalyst, preferably the acid form of faujasite, ZSM-5, mordenite, or beta, in the gas phase at atmospheric or near-atmospheric pressures. | 04-29-2010 |
| 20100121098 | PROCESS FOR THE CARBONYLATION OF DIMTHYL ETHER - Production of methyl acetate by carbonylating a dimethyl ether feed with carbon monoxide under substantially anhydrous conditions, in the presence of a mordenite catalyst which contains copper and/or silver and 0.05 to 10 mol % platinum relative to aluminium. | 05-13-2010 |
| 20100121099 | PROCESS FOR THE CARBONYLATION OF DIMETHYL ETHER - Production of methyl acetate by carbonylating a dimethyl ether feed with carbon monoxide under substantially anhydrous conditions, in the presence of a zeolite catalyst at a temperature in the range 240° C. to 350° C. and in the presence of hydrogen. | 05-13-2010 |
| 20100130771 | PROCESS FOR THE CARBONYLATION OF DIMETHYL ETHER - Production of methyl acetate by carbonylating a dimethyl ether feed with carbon monoxide under substantially anhydrous conditions, in the presence of a zeolite catalyst at a temperature in the range of greater than 250° C. to 350° C. and at a pressure in the range greater than 10 barg to 100 barg. | 05-27-2010 |
| 20100267985 | CARBONYLATION PROCESS FOR THE PRODUCTION OF ACETIC ACID AND/OR METHYL ACETATE - A process for the manufacture of at least one of acetic acid and methyl acetate by the carbonylation of methanol, dimethyl ether and/or dimethyl carbonate with carbon monoxide in the presence of a zeolite catalyst of structure type MOR having a crystal size of no greater than about 3 microns. | 10-21-2010 |
| 20100274045 | CARBONYLATION PROCESS FOR THE PRODUCTION OF METHYL ACETATE - A process for the manufacture of methyl acetate by the carbonylation of dimethyl ether or dimethyl carbonate with carbon monoxide under substantially anhydrous conditions in the presence of a Group TB metal loaded mordenite catalyst prepared by ion-exchanging mordenite with at least one Group IB metal, the ion-exchanged mordenite having a molar ratio of the Group IB metal to total aluminium present in the mordenite in the range 5 to 50 mol %. | 10-28-2010 |
| 20100317888 | CARBONYLATION PROCESS WITH IN SITU REGENERATION OF MORDENITE CATALYST - A process for the carbonylation of dimethyl ether, dimethyl carbonate and/or methanol with carbon monoxide and hydrogen in the presence of a mordenite catalyst to produce at least one of acetic acid and methyl acetate in which process the mordenite catalyst is regenerated in-situ by contacting the catalyst with a regenerating gas comprising a molecular oxygen-containing gas and an inert diluent at a total pressure in the range 1 to 100 bar and wherein the partial pressure of the molecular oxygen-containing gas is such that the temperature of the catalyst is maintained within the range 225 to 325° C. | 12-16-2010 |
| 20110015431 | Processes for Production of 2-Bromo-2,2-Difluoroethanol and 2-(Alkylcarbonyloxy)-1,1-Difluoroethanesulfonic Acid Salt - Disclosed is a process for producing 2-bromo-2,2-difluoroethanol, which comprises reducing a bromodifluoroacetic acid derivative represented by the formula [1] by using an ate hydride complex as a reducing agent. 2-Bromo-2,2-difluoroethanol thus produced can be used as the starting material to carry out the esterification step, the sulfination step and the oxidation step in this order, thereby producing a 2-alkylcarbonyloxy-1,1-difluoroethanesulfonic acid salt, wherein A represents a substituted or unsubstituted linear, branched or cyclic alkoxy group having 1 to 20 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 15 carbon atoms, a heteroaryloxy group having 4 to 15 carbon atoms, or a halogen atom. | 01-20-2011 |
| 20110218356 | Carbonylation process catalysed by mordenite supported on inorganic oxides - A process for the preparation of methyl acetate and/or acetic acid by carbonylating dimethyl ether and/or methanol with carbon monoxide in the presence of a catalyst, which catalyst is a H-mordenite bound with a mesoporous binder selected from silicas, aluminas, silica-aluminas, magnesium silicates and magnesium aluminum silicates. | 09-08-2011 |
| 20110269988 | PROCESS FOR REMOVING ACETONE FROM A STREAM COMPRISING ACETONE, METHYL ACETATE AND METHYL IODIDE - The present invention relates to a separation process for removing acetone from a mixture comprising acetone, methyl acetate and methyl iodide, said process comprising the steps of: (a) introducing said stream comprising acetone, methyl acetate and methyl iodide into a first distillation zone; (b) introducing acetic acid into said first distillation zone, either by addition of acetic acid to said stream comprising acetone, methyl acetate and methyl iodide or by introduction of acetic acid directly to the first distillation zone at one or more points at or above the point of introduction of said stream comprising acetone, methyl acetate and methyl iodide into the first distillation zone in step (a), or a combination of both; (c) removing from the first distillation zone an overhead stream comprising methyl iodide and a bottoms stream comprising acetone, methyl acetate, acetic acid, and a reduced amount of methyl iodide; (d) introducing into a second distillation zone the bottoms stream from step (c); (e) removing from the second distillation zone an overhead stream comprising methyl acetate and methyl iodide and a bottoms stream comprising acetone, methyl acetate and acetic acid; (f) introducing the bottoms stream from step (e) into a third distillation zone; and (g) removing from the third distillation zone an overhead stream comprising methyl acetate and acetone and a bottoms stream comprising methyl acetate and acetic acid. | 11-03-2011 |
| 20110306785 | SELECTIVE DEALUMINATION OF MOR TYPE ZEOLITES - Preparation of selectively dealuminated zeolites of structure type MOR by loading the zeolite with a univalent metal followed by treatment with steam. The dealuminated zeolites subsequently converted to the hydrogen form and/or loaded with metals are suitable for use as catalysts in carbonylation processes to produce acetic acid and/or methyl acetate. | 12-15-2011 |
| 20110319654 | CARBONYLATION PROCESS FOR THE PRODUCTION OF METHYL ACETATE - A process for the production of methyl acetate by reacting dimethyl ether with carbon monoxide into a carbonylation reactor containing a mordenite catalyst in the presence of added methyl acetate and/or acetic acid. | 12-29-2011 |
| 20120078005 | CARBONYLATION PROCESS - A process for the production of acetic acid and/or methyl acetate by the carbonylation of methanol, methyl acetate and/or dimethyl ether with carbon monoxide in the presence of a desilicated mordenite catalyst. | 03-29-2012 |
| 20130102807 | PROCESS FOR PREPARING FORMAMIDES AND FORMIC ESTERS - A process for preparing carboxylic acid derivatives of the formula H—(C═O)—R, R is OR | 04-25-2013 |
| 20130123533 | PRODUCTION OF OXYGENATED COMPOUNDS FROM CARBON MONOXIDE AND DIMETHYL CARBONATE - A method of producing at least one oxygenated compound, such as methyl acetate, dimethyl ether, and formaldehyde, by reacting dimethyl carbonate and carbon monoxide in the presence of a faujasite zeolite, zeolite Beta, Linde Type L (LTL) zeolite, or MCM-41 zeolite. | 05-16-2013 |
| 20130150618 | MIXING APPARATUS - A mixing apparatus | 06-13-2013 |
| 20130172601 | IRIDIUM CATALYSTS FOR CARBONYLATION - A solid catalyst comprising an effective amount of iridium and at least one second metal selected from gallium, zinc, indium and germanium associated with a solid support material is useful for vapor phase carbonylation to produce carboxylic acids and esters from alkyl alcohols, esters, ethers or ester-alcohol mixtures. The iridium and at least one second metal are deposited on a support material. In some embodiments of the invention, the catalyst is useful for vapor phase carbonylation. | 07-04-2013 |
| 20130261328 | HYDROCARBOXYLATION OF FORMALDEHYDE IN THE PRESENCE OF A HIGHER ORDER CARBOXYLIC ACID AND A HOMOGENEOUS CATALYST - Disclosed is a process for the production and purification of glycolic acid or glycolic acid derivatives by the carbonylation of formaldehyde in the presence of a homogeneous acid catalyst and a carboxylic acid. This invention discloses hydrocarboxylations and corresponding homogeneous acid catalyst and glycolic acid separations. The homogeneous acid catalyst is readily separated from the hydrocarboxylation reaction effluent and recycled and the carboxylic acid is readily removed from the glycolic acid and the carboxylic acid is recycled. | 10-03-2013 |
| 20130261329 | HYDROCARBOXYLATION OF METHYLENE DIPROPIONATE IN THE PRESENCE OF A PROPIONIC ACID AND A HOMOGENEOUS CATALYST - Disclosed is a process for the production and purification of glycolic acid or glycolic acid derivatives by the carbonylation of methylene dipropionate in the presence of a homogeneous acid catalyst and propionic acid. This invention discloses hydrocarboxylations and corresponding homogeneous acid catalyst and glycolic acid separations. The homogeneous acid catalyst is readily separated from the hydrocarboxylation reaction effluent and recycled and the propionic acid is readily removed from the glycolic acid and the propionic acid is recycled | 10-03-2013 |
| 20130310599 | PROCESS FOR THE PRODUCTION OF METHYL ACETATE/ACETIC ACID - A process for the production of methyl acetate and/or acetic acid by contacting a carbon monoxide-containing gas and methanol and/or reactive derivatives thereof with a mordenite loaded with copper and silver loaded by ion-exchange and subsequently regenerating the catalyst. | 11-21-2013 |
| 20140094622 | PRODUCTION OF METHYL ACETATE FROM REACTANTS CONTAINING METHYL GROUPS - A method of producing methyl acetate from methanol in which methanol and carbon monoxide are reacted in a first reaction zone to provide a reaction product including methyl acetate, acetic acid, and unreacted methanol. The reaction product then is passed to a second reaction zone, wherein the acetic acid is reacted with the unreacted methanol to provide additional methyl acetate. The method is a more efficient method for producing methyl acetate from methanol in that acetic acid is not separated from the reaction product. | 04-03-2014 |
| 20140121404 | REMOVAL OF ALDEHYDES IN ACETIC ACID PRODUCTION - A system and method for removing acetaldehyde from an acetic acid system, including providing a solution from the acetic acid system, the stream having methyl iodide and acetaldehyde, and contacting the solution with an ion-exchange resin and/or liquid catalyst. | 05-01-2014 |
| 20140148614 | PROCESS FOR PREPARING METHYL FORMATE BY REACTION OF METHANOL WITH CARBON MONOXIDE IN THE PRESENCE OF A CATALYST SYSTEM COMPRISING ALKALI METAL FORMATE AND ALKALI METAL ALKOXIDE - Process for preparing methyl formate by carbonylation of methanol by means of carbon monoxide in a carbonylation reactor in the presence of a catalyst system comprising alkali metal formate and alkali metal alkoxide to give a reaction mixture (R | 05-29-2014 |
| 20150298108 | METHOD FOR PREPARING METHYL ACETATE - The present invention provides a method for preparing methyl acetate, in which a feed gas containing an organic amine, dimethyl ether, carbon monoxide and optional hydrogen gas goes through a reactor loaded with a H-type mordenite catalyst, to produce methyl acetate; wherein said H-type mordenite catalyst is a H-type mordenite catalyst with adsorption of an organic amine. The method in the present invention improves the catalyst stability and prolongs the catalyst life, by using the H-type mordenite catalyst with adsorption of an organic amine as the catalyst and adding the organic amine in the feed gas to replenish the organic amine desorbed from the catalyst during the reaction. | 10-22-2015 |
| 20150329465 | INTEGRATED PROCESS FOR THE PRODUCTION OF METHYL ACETATE AND METHANOL FROM SYNTHESIS GAS AND DIMETHYLETHER - An integrated process for the production of methyl acetate and methanol by the carbonylating dimethyl ether with synthesis gas, recovering methyl and unreacted synthesis gas and wherein the recovered synthesis gas is utilized as the sole fresh synthesis gas for methanol synthesis. | 11-19-2015 |
| 20150360211 | PROCESS FOR TREATING ZEOLITE CATALYSTS - A process for treating a zeolite catalyst for the carbonylation of dimethyl ether to produce methyl acetate in which the catalyst is contacted with a treatment gas comprising water vapour in an amount of at least 1 mol % and at a temperature below which dealumination of the zeolite structure occurs. | 12-17-2015 |
| 20160009629 | CARBONYLATION PROCESS | 01-14-2016 |
| 20160016155 | CARBONYLATION CATALYST AND PROCESS - A catalyst and process for the production of methyl acetate by contacting dimethyl ether and carbon monoxide in the presence of a catalyst which is a zeolite of micropore volume of 0.01 ml/g or less. | 01-21-2016 |
| 20160016881 | PROCESS FOR THE CARBONYLATION OF DIMETHYL ETHER - A process for preparing methyl acetate by the carbonylation of dimethyl ether with carbon monoxide in the presence of hydrogen and a zeolite catalyst wherein, in a first step the carbonylation is conducted with a carbon monoxide to hydrogen molar ratio of at least 1 and in a second and subsequent step, the carbonylation is conducted with a hydrogen to carbon monoxide molar ratio of greater than 1. | 01-21-2016 |
| 20160052857 | CARBONYLATION PROCESS - A process for the production of methyl acetate by carbonylating dimethyl ether with carbon monoxide in the presence of hydrogen and a zeolite catalyst wherein the process is carried out with a molar ratio of hydrogen to carbon monoxide of at least 1 and the catalyst has been calcined at a temperature of from about 375° C. to about 475° C. | 02-25-2016 |
| 20160075632 | PROCESS OF PRODUCTION OF DEHYDROLINALYL ACETATE (I) - The present invention is related to a novel and improved process for the production of dehydrolinalyl acetate (DLA), which IUPAC name is acetic acid 1-ethynyl-1,5-dimethyl-hex-4-enyl ester, starting from dehydrolinalool (DLL), which IUPAC name is 3,7-dimethyloct-6-en-1-yn-3-ol, by catalytic acetylation. | 03-17-2016 |
| 20160122277 | PROCESS OF PRODUCTION OF DEHYDROLINALYL ACETATE (II) - The present invention is related to a novel and improved process for the production of dehydrolinalyl acetate (DLA), which 1UPAC name is acetic acid 1-ethynyl-1,5-dimethyl-hex-4-enyl ester, starting from dehydrolinalool (DLL), which 1UPAC name is 3,7-dimethyloct-6-en-1-yn-3-ol, by acetylation. | 05-05-2016 |
| 20160145184 | PROCESS FOR EQUILIBRIUM-LIMITED REACTIONS - A process for conducting equilibrium-limited chemical reactions that produce water as a reaction product. Specifically, a process that uses a reactive chromatography unit (RCU) to improve the efficiency of equilibrium-limited reactions, such as a process for reacting glycol ether (GE) and carboxylic acid (CA) to form water and glycol ether ester (GEE). The process includes supplying GE and CA to the RCU, where one of either the CA or the GE is in a stoichiometric deficit relative to the other reactant. The reactant in the stoichiometric deficit reacts in the presence of the catalyst in the RCU to form a mixture of GEE and water. A raffinate is separated from the mixture using the separation media of the RCU contains at least the GEE. An extract separated from the mixture using the separation media of the RCU contains at least the water. | 05-26-2016 |
| 20180022685 | PROCESS FOR THE ALKOXYCARBONYLATION OF ETHERS | 01-25-2018 |
| 20180022686 | PROCESS FOR THE ALKOXYCARBONYLATION OF OLEFINS IN A MEDIUM HAVING A LOW BRONSTED ACID CONCENTRATION | 01-25-2018 |
| 560233000 | Of olefins | 1 |
| 20100197958 | PROCESS FOR THE CARBONYLATION OF AN ETHYLENICALLY UNSATURATED COMPOUND AND A CATALYST SYSTEM - A process for the carbonylation of an ethylenically unsaturated compound comprising the step of reacting said compound with carbon monoxide in the presence of a co-5 reactant having a mobile hydrogen atom and a catalyst system is described. The catalyst system is obtainable by combining: (a) a metal of Group 8, 9 or 10 or a suitable compound thereof; (b) a ligand of general formula (I): and c) optionally, a source of anions. The invention is characterised in that the catalyst system includes an enhancer compound comprising an aromatic ring or ring system substituted by at least one hydroxyl group wherein the hydroxyl group pKa at 25° C. is greater than 3.0 and less than 9.1, the said enhancer compound excluding 3-quinolinol. Catalyst systems for use with the enhancer compound are described as are a method of increasing the efficacy of a catalyst system for the carbonylation of ethylenically unsaturated compounds and a method of increasing the rate of carbonylation of an ethylenically unsaturated compound comprising the step of adding such a compound to the reaction. | 08-05-2010 |
