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| Number | Title | Issue Date |
| 8158815 | 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 regen... | 04/17/2012 |
| 7842833 | 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 i... | 11/30/2010 |
| 7772423 | 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 fauj... | 08/10/2010 |
| 7772422 | 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 copr... | 08/10/2010 |
| 7741512 | Process for the preparation of carbonylation products Process for preparing an aliphatic carboxylic acid having (n+1) carbon atoms, where n is an integer up to 6, and/or the ester derivative thereof by contacting an aliphatic alcohol having n carbon atoms and/or a reactive derivative thereof selected from dialkyl ether... | 06/22/2010 |
| 7671233 | Process for preparing carboxylic acid A process for preparing a carboxylic acid by the carbonylation of an alcohol in a reaction medium is provided. The reaction medium includes a catalyst promoter having a metal species selected form the group consisting of group IIIA-IVA metals, group IB-VIIIB metals ... | 03/02/2010 |
| 7642372 | Process for preparing carboxylic acids and derivatives thereof Preparation of an aliphatic carboxylic acid having (n+1) carbon atoms, where n is an integer up to 6, and/or an ester or anhydride thereof may be achieved by contacting an aliphatic alcohol having n carbon atoms and/or a reactive derivative thereof with carbon monox... | 01/05/2010 |
| 7566801 | Polyfluoroalkyl alcohol, or (METH)acrylic acid derivative thereof, and process for producing the same A polyfluoroalkyl alcohol, or a (meth)acrylic acid derivative thereof, represented by the following general formula: CnF2n+1(CH2CF2)a(CF2CF2)b(CH2CH2 | 07/28/2009 |
| 7507855 | Process for carbonylation of aliphatic alcohols and/or ester derivatives thereof A product comprising a C1-C3 aliphatic carboxylic acid or corresponding ester is produced by a process comprising carbonylating a C1-C3 aliphatic alcohol or a corresponding ester with carbon monoxide in the presence of a.z... | 03/24/2009 |
| 7491842 | Process for producing carbonylation products A carbonylation process for producing a carbonylation product by contacting carbon monoxide with a feed comprising an alcohol and/or a reactive derivative thereof in the vapour phase using an heterogeneous heteropolyacid catalyst comprising one or more metal cations... | 02/17/2009 |
| 7465822 | Process for carbonylation of alkyl ethers A product comprising a lower alkyl ester of a lower aliphatic carboxylic acid is produced by a process comprising reacting under substantially anhydrous conditions a lower alkyl ether with carbon monoxide in the presence of a zeolite catalyst having an 8-member ring... | 12/16/2008 |
| 7309798 | Process for carbonylation of alkyl ethers A product comprising a lower alkyl ester of a lower aliphatic carboxylic acid is produced by a process comprising reacting a lower alkyl ether with carbon monoxide in the presence of a catalyst comprising mordenite and/or ferrierite, optionally including an addition... | 12/18/2007 |
| 7288672 | Process for preparation of esters of hydroxy tiglic Aldehydes The present invention relates to a process for the preparation of esters of hydroxy tiglic aldehydes which are the key intermediates for Vitamin-A acetate synthesis and various perfumistic products, said process relates to the hydroformylation of biscarboxylic ester... | 10/30/2007 |
| 7276626 | Carbonylation process using metal-tridentate ligand catalysts A process for the production of a carboxylic acid and/or the alcohol ester of a carboxylic acid by carbonylating an alcohol and/or a reactive derivative thereof with carbon monoxide employing as the carbonylation catalyst, cobalt, rhodium or iridium coordinated with... | 10/02/2007 |
| 7265242 | Process for the carbonylation of ethylenically or acetylenically unsaturated compounds A process for the carbonylation of unsaturated compounds by contacting the unsaturated compound with carbon monoxide in the presence of a catalyst system comprising: (a) a source of palladium and/or platinum; and (... | 09/04/2007 |
| 7253304 | Carbonylation process Disclosed is a carbonylation process wherein a mixture of a dialkyl carbonate and halide compound is contacted with carbon monoxide in the presence of a metal selected from Group VIII of the Periodic Table to co-produce carbon dioxide and a carbonyl compound selecte... | 08/07/2007 |
| 7223886 | Removal of permanganate reducing compounds from methanol carbonylation process stream An improvement of the methanol carbonylation process for manufacturing acetic acid is disclosed. Specifically disclosed is a method for reducing the formation of alkyl iodides and C3-8 carboxylic acids by removing permanganate reducing compounds (“PRC's... | 05/29/2007 |
| 7205447 | Process for removing aldehydes and/or ketones from an olefinic stream The present invention provides a process for removing an oxygenate impurity selected from aldehyde and/or ketone, from an olefinic product stream. A product stream is contacted with a metal oxide-containing catalyst in the presence of a C1 to C6 | 04/17/2007 |
| 7163634 | Compositions for removing metal ions from aqueous process solutions and methods of use thereof The present invention provides a composition and process using the composition for removing metal ions from aqueous process solutions. These compositions include a non-metallic compound entrapped within or supported onto a substrate. In one embodiment, the non-metal... | 01/16/2007 |
| 7151192 | Manufacturing process for the preparation of α,α-branched alkane carboxylic acids providing esters with an improved softness A manufacturing process for the preparation of α,α-branched alkane carboxylic acids, by reacting a mono-olefin or a precursor thereof, with carbon monoxide in the presence of a strong acid catalyst characterized in that the starting olefin is a dimmer C8 or trimer... | 12/19/2006 |
| 7135542 | Bidentate ligands for the carbonylation of unsaturated compounds Bidentate ligand of formula (I), R1R2M1-R-M2R3R4 wherein M1 and M2 each indenpendently represent P, As or Sb; R1, R2, R3 and R4 each i... | 11/14/2006 |
| 7087794 | Oxygenate conversion in the presence of highly unsaturated compounds The present invention provides a process for treating a stream, say, an olefins stream, e.g., propylene, containing at least one ether, e.g., dimethyl ether, and/or at least one of an alkyne and an alkadiene, e.g., methyl acetylene and propadiene, typically present ... | 08/08/2006 |
| 7081547 | Process for producing formic ester or methanol and synthesis catalyst therefor A process for producing a formic ester comprises reacting carbon monoxide with an alcohol to produce a formic ester, wherein the reaction is performed in the presence of water and/or carbon dioxide and in the presence of (1) an alkali metal-type catalyst other than ... | 07/25/2006 |
| 7053239 | Method for producing methyl formate The invention relates to a process for the preparation of methyl formate by reacting methanol with carbon monoxide at a pressure of from 0.5 to 10 MPa abs. and a temperature of from 50 to 150° C. in the presence of a metal alkoxide as catalyst in a reactor, in whic... | 05/30/2006 |
| 7052657 | Method for controlling reaction and controlling apparatus While supplying methanol and carbon monoxide via feed lines 17 and 19, respectively, to a liquid phase reaction system 3 including a carbonylation catalytic system, and maintaining a substantially constant liquid level of the reaction system, pa... | 05/30/2006 |
| 7053241 | Acetic acid production methods incorporating at least one metal salt as a catalyst stabilizer Processes for the production of acetic acid by carbonylation of methanol, and reactive derivatives thereof, in a reaction mixture using a rhodium-based catalyst system with at least one metal salt catalyst stabilizer selected from the group of ruthenium salts, tin s... | 05/30/2006 |
| 7009070 | Modification of the catalytic system in an industrial process for making acetic and/or methyl acetate acid The invention relates to a continuous process for the manufacture of acetic acid and/or methyl acetate, characterized in that, during the continuous operation of the installation for a continuous industrial process, called the initial process, for the carbonylation ... | 03/07/2006 |
| 7005537 | Production of esters Disclosed is a process for the production of esters. In particular, the process includes contacting an olefin or an ether with carbon monoxide and an acid composition comprising BF3.2CH3OH to from a product composition, adding an alcohol to the... | 02/28/2006 |
| 6956134 | Oxidation of methanol and/or dimethyl ether using supported molybdenum-containing heteropolyacid catalysts Feeds comprising methanol, dimethyl ether or a mixture of the two are oxidized by contacting the feed with an oxygen-containing gas and a supported heteropolyacid catalyst containing molybdenum or molybdenum and vanadium. The primary products are methylal (dimethoxy... | 10/18/2005 |
| 6921833 | Method for the continuous production of methyl formate A description is given of a process for preparing methyl formate by reacting excess methanol with carbon monoxide under superatmospheric pressure and at elevated temperature in the presence of alkali metal methoxide or alkaline earth metal methoxide as catalyst in a... | 07/26/2005 |
| 6916951 | Continuous carbonylation process Disclosed is a continuous process wherein carbon monoxide, a carbonylatable reactant, and a halide in the gas phase are contacted with a non-volatile catalyst solution comprising an ionic liquid and a Group VIII metal to produce a carbonylation product in the gas ph... | 07/12/2005 |
| 6916952 | Method for preparing acetic acid and or methyl acetate in the presence of iridium and platinum The invention relates to a process for the preparation of acetic acid and/or methyl acetate in the liquid phase by the carbonylation of methanol and/or the isomerization of methyl formate in the presence of water, a solvent, a homogeneous catalyst system comprising ... | 07/12/2005 |
| 6867164 | Catalyst for production of acetic acid or acetic acid and ethyl acetate, process for its production and process for production of acetic acid or acetic acid and ethyl acetate using it An acetic acid production catalyst that contains (b) at least one element selected from the group consisting of Group 14 elements, Group 15 elements and Group 16 elements of the Periodic Table and/or (c) at least one element selected from the group consisting of Gro... | 03/15/2005 |
| 6846951 | Integrated process for acetic acid and methanol An integrated large capacity, single-train process for making 1,00020,000 MTPD methanol and 3006,000 MTPD acetic acid is disclosed. Syngas 120 is produced by autothermal reforming 118 of natural gas 102 where the feed 112 of the natural g... | 01/25/2005 |
| 6781014 | Methanol plant retrofit for manufacture of acetic acid The retrofitting of an existing methanol or methanol/ammonia plant to make acetic acid is disclosed. The existing plant has a reformer (10) to which natural gas or another hydrocarbon and steam (water) are fed. Syngas is formed in the reformer (10). Al... | 08/24/2004 |
| 6774083 | Process for improving the stability and/or preventing the deactivation of the catalyst during the manufacture of acetic acid and/or of methyl acetate A process for improving the stability and/or preventing the deactivation of catalyst in processes of continuous manufacture of acetic acid and/or methyl acetate includes a first, reaction step wherein at least one methyl formate isomerization reaction is carried out... | 08/10/2004 |
| 6706912 | Process for the carbonylation of ethylenically unsaturated compounds Process for the carbonylation of ethylenically unsaturated compounds having 3 or more carbon atoms by reaction with carbon monoxide and an hydroxyl group containing compound in the presence of a catalyst system. The catalyst system includes (a) a source of pa... | 03/16/2004 |
| 6646154 | Method for carbonylation of lower alkyl alcohols using tungsten promoted group VIII catalyst A vapor-phase carbonylation method for producing esters and carboxylic acids from reactants comprising lower alkyl alcohols, lower alkyl alcohol generating compounds, and mixtures thereof. The method includes contacting the reactants and carbon monoxide i... | 11/11/2003 |
| 6646159 | Carbonylation process Long chain alcohols and acids or other similar oxygenates such as esters are produced from paraffins of similar carbon number by a process comprising paraffin dehydrogenation, carbonylation, and separation. Preferably a mixture of paraffins extending over... | 11/11/2003 |
| 6642413 | Process for monitoring a continuous acetic acid and/or methyl acetate production A continuous preparative process, including monitoring production, for acetic acid, methyl acetate or a mixture thereof, by carbonylation, in an industrial installation, of methanol or a carbonylatable derivative of methanol with carbon monoxide in a liqu... | 11/04/2003 |
