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| Number | Title | Issue Date |
| 8088948 | Systems and methods for processing glycerol Systems and methods for processing glycerol into one or more useful products are provided. The method can include decreasing a pH of a mixture comprising glycerol and fatty acids to produce an emulsion comprising a glycerol-rich portion and a fatty acids-rich portio... | 01/03/2012 |
| 8053602 | Production of propionic acid Propionic acid is produced via the catalytic dehydration of glycerol in the presence of at least one transition metal catalyst. ... | 11/08/2011 |
| 7700803 | Catalysts for producing carboxylic acid salts Catalysts for preparing carboxylic acid salts from alcohols which a) consist of copper or b) comprise from 99.9 to 10% by weight of copper and from 0.01 to 90% by weight of iron and from 0 to 50% by weight of one or more other metals, | 04/20/2010 |
| 7329778 | Process and catalyst for dehydrogenating primary alcohols to make carboxylic acid salts This invention is directed to a process for making a salt of a carboxylic acid. The process comprises contacting a catalyst with an alkaline mixture comprising a primary alcohol. In one embodiment, for example, the catalyst comprises a metal support (preferab... | 02/12/2008 |
| 7304011 | Compositions and processes for reducing NOemissions during fluid catalytic cracking Compositions for reduction of NOx generated during a catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise a fluid catalytic cracking catalyst composition, preferably containing a Y-type zeoli... | 12/04/2007 |
| 7232788 | Mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins A catalyst for production of unsaturated aldehydes, such as methacrolein, by gas phase catalytic oxidation of olefins, such as isobutylene, contains oxides of molybdenum, bismuth, iron, cesium and, optionally, other metals. The catalyst has a certain relative amount... | 06/19/2007 |
| 7173149 | Process for preparing alkynecarboxylic acids by oxidation of alkyne alcohols A process for preparing alkynecarboxylic acids includes the oxidation of an alkyne alcohol with a hypohalite in the presence of a nitroxyl compound at a pH of greater than 7 with continual addition of the alkyne alcohol and of the hypohalite to the reaction mixture.... | 02/06/2007 |
| 7169954 | Method for preparing ruthenium-carrying alumina and method for oxidizing alcohol A ruthenium-carrying alumina, which is prepared by suspending alumina in a solution containing trivalent ruthenium and adding a base to the suspension, is provided. This ruthenium-carrying alumina is useful as a catalyst for oxidizing alcohols by contacting the alco... | 01/30/2007 |
| 7126024 | Process and catalyst for dehydrogenating primary alcohols to make carboxylic acid salts This invention is directed to a process for making a salt of a carboxylic acid. The process comprises contacting a catalyst with an alkaline mixture comprising a primary alcohol. In one embodiment, the catalyst comprises a metal supporting structure (preferably a me... | 10/24/2006 |
| 7122707 | Method for producing an annular shell catalyst and use thereof for producing acrolein Coated catalysts which are suitable for the gas-phase catalytic oxidation of propene to acrolein are prepared by a process in which rings are used as supports and water is used as a binder. ... | 10/17/2006 |
| 7109379 | Method for producing carbonyl compound An oily solution of water-insoluble aliphatic alcohol is allowed to react with an aqueous hydrogen peroxide solution in the presence of a catalyst containing a metal compound belonging to Group 8 to 10 of the Periodic Table in a heterogeneous solution system. As a r... | 09/19/2006 |
| 7109388 | Process for the production of catalyst packing, reactor containing catalyst packing, and the use thereof The invention relates to catalyst packing and a production process for catalyst packing in which a fabricated woven or knitted fabric in the form of continuous web goods is shaped to give a package by stacking a plurality of layers, and segments (S) are cut out of t... | 09/19/2006 |
| 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 |
| 7045656 | Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups A process is described for recycling catalysts in the reaction for the oxidation of alcohols and/or ketones to carboxylic acids and more particularly the oxidation of cyclic alcohols and/or cyclic ketones to dicarboxylic acids, such as the oxidation of cyclohexanol ... | 05/16/2006 |
| 7045657 | Catalytic gas phase oxidation process The object of the present invention is to provide a process in which, when the unsaturated carboxylic acid is produced, or when the unsaturated aldehyde and/or the unsaturated carboxylic acid are produced by carrying out the catalytic gas phase oxidation reaction by... | 05/16/2006 |
| 7041750 | Process and apparatus for making supported catalyst systems for olefin polymerization A process to support a homogeneous catalyst on a porous solid support is performed in two separate zones. In the first zone the solid is contacted, under stirring, with an amount of a catalyst solution lower than the total pore volume of the solid. In the second zon... | 05/09/2006 |
| 7038078 | Methods of synthesizing and using derivatives of [2-(2-aminoethoxy)ethoxy] acetic acid A synthetic reaction to produce [2-(2-aminoethoxy)ethoxy] acetic acid (AEEA) derivatives. This synthetic reaction does not require isolation and purification of intermediates. The AEEA derivatives can be used to synthesize high load polystyrene-polyethylene glycol-l... | 05/02/2006 |
| 7005542 | Catalyst for synthesis of unsaturated aldehyde, production process for said catalyst, and production process for unsaturated aldehyde using said catalyst The present invention provides: a production process for a catalyst for synthesis of an unsaturated aldehyde and/or an unsaturated carboxylic acid, which production process is suitable for producing the catalyst with good reproducibility, wherein the catalyst is exc... | 02/28/2006 |
| 6960684 | Production process for unsaturated aldehyde The present invention provides a process in which, when an unsaturated aldehyde and/or an unsaturated carboxylic acid are produced by carrying out a catalytic gas phase oxidation reaction by using a fixed-bed multitubular reactor which is packed with a molybdenum-co... | 11/01/2005 |
| 6939991 | Preparation of acrylic acid In a process for preparing acrylic acid, an acrylic acid-containing product gas mixture obtained by catalytic gas phase partial oxidation of a C3 precursor of acrylic acid, after direct cooling with a quench liquid, is fractionally condensed in a separati... | 09/06/2005 |
| 6919478 | Reaction tube, process for producing catalyst and process for producing unsaturated aldehyde and unsaturated carboxylic acid In producing a catalyst used for synthesis of an unsaturated aldehyde and an unsaturated carboxylic acid by a gas-phase catalytic oxidation, there is used a step of packing an additive-containing catalyst precursor of the catalyst into a tubular reactor, passing a g... | 07/19/2005 |
| 6888026 | Method for producing (meth)acrylic acid An object of this invention is to provide a method for producing acrylic acid that enables to suppress adverse influence of byproducts during distillation and to accomplish long-term continuous operation of the acrylic acid production apparatus. This invention is di... | 05/03/2005 |
| 6878847 | Catalyst for preparation of unsaturated aldehyde and unsaturated carboxylic acid A catalyst useful for catalytic vapor-phase oxidation of isobutylene, t-butanol or propylene to produce respectively corresponding unsaturated aldehyde and unsaturated carboxylic acid is provided. The catalyst consists of ring-formed shaped bodies composed of (i) a ... | 04/12/2005 |
| 6872369 | Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups The invention relates to a process for selectively separating iron from other metal ions, in particular ions present in certain oxidation catalysts. It also relates to a process for recycling catalysts in the reaction for the oxidation of alcohols and/or keto... | 03/29/2005 |
| 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 |
| 6784134 | Catalyst for preparation of unsaturated aldehyde and unsaturated carboxylic acid A catalyst suited for catalytic vapor-phase oxidation of isobutylene, t-butanol or propylene to produce respectively corresponding unsaturated aldehyde and unsaturated carboxylic acid is provided. Said catalyst consists of ring-formed shaped bodies composed of (i) a... | 08/31/2004 |
| 6730808 | Oxidative reactions using membranes that selectively conduct oxygen Reactor membranes for used in oxidation reactions of hydrocarbons involving oxygen comprising a selective oxidation catalyst on a mixed conducting, oxide ion selective ceramic membrane of the composition (Sr1-xCax)1-yAyMn | 05/04/2004 |
| 6667419 | Method for absorption of acrylic compound and apparatus therefor A method for the absorption of (meth)acrylic acid and/or (meth)acrolein and an apparatus thereof which, in an absorption column adapted to cause an (meth)acrylic acid and/or (meth)acrolein-containing gas obtained in consequence of catalytic gas phase oxid... | 12/23/2003 |
| 6646160 | Process for the preparation of carboxylic acid salts from primary alcohols The present invention provides a new and useful improvement in the process to manufacture a carboxylic acid salt, particularly an amino carboxylic acid salt, from a primary alcohol, particularly a primary aminoalcohol. The process of manufacturing amino c... | 11/11/2003 |
| 6583316 | Catalysts for production of unsaturated aldehyde and unsaturated carboxylic acid and a process for producing unsaturated aldehyde and unsaturated carboxylic acid using the catalysts Improved catalysts for use in vapor phase oxidation of at least one compound selected from the group consisting of propylene, isobutylene, t-butanol and methyl-t-butyl ether with molecular oxygen or a molecular oxygen-containing gas to produce the corresp... | 06/24/2003 |
| 6552220 | Catalyst for production of acetic acid and ethyl acetate, process for its production and process for production of 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 consis... | 04/22/2003 |
| 6521789 | Process for the preparation of adipic acid The present invention relates to an improved process for the preparation of adipic acid. More particularly, the present invention relates to an environmental-friendly, clean process for the preparation of adipic acid through oxidation of cyclohexanol, cyc... | 02/18/2003 |
| 6521784 | Process for the preparation of acetic acid or methyl acetate Methanol is reacted in presence of catalyst system comprising of an iron containing compound and a tin containing compound with or without an organic compound containing C, N, O, P, S, diamine, diketone, and or diphosphines as a ligand to produce acetic a... | 02/18/2003 |
| 6509508 | Process for producing (meth)acrolein and (meth)acrylic acid A reaction for producing (metho)acrolein and (meth)acrylic acid by vaporn-phase oxidation of at least a compound selected from propyl-ene, isobytylene, t-bytanol and methyl-t-butyl ether. For the process Complex oxide catalysts represented by the formula,... | 01/21/2003 |
| 6476260 | Method of producing aldehydes and carboxylic acids by oxidizing primary alcohols The invention relates to a method for oxidizing primary alcohols in order to obtain aldehydes and/or carboxylic acids. The reaction takes place in the presence of a catalyst supported on aluminium oxides or aluminium silicates and containing palladium, pl... | 11/05/2002 |
| 6476258 | Process for producing aryloxyacetic acids An industrially advantageous process for producing an aryloxyacetic acid represented by the formula (2): ##STR1## wherein m represents an integer of 1 or 2, n represents an integer from 0 to 4, Ar represents a aromatic hydrocarbon ring, each Rs independen... | 11/05/2002 |
| 6465680 | Process for preparing malonate derivatives or ଲ-keto esters from epoxide derivatives A process for preparing a malonic acid monoester or ଲ-ketoester from an epoxide includes the steps of reacting an epoxide with carbon monoxide and an alcohol in the presence of a catalytic amount of a cobalt compound and at least one promoter to pro... | 10/15/2002 |
| 6384279 | Synthesis of a tetraamido macrocycle ligand from a novel diamidodiol A new composition of matter for a diamidodiol and a method for preparing the diamidodiol. The exemplary diamidodiol has the formula C15 H30 N2 O4 and is prepared by reacting a first quantity of 2-amino-2-methyl-... | 05/07/2002 |
| 6380426 | Process for the preparation of a carboxylic acid The present invention relates to a process for the preparation of a carboxylic acid by carbonylating the corresponding alcohol in carbon monoxide atmosphere and in the presence of water, a solvent, a palladium catalyst and a promoter system consisting of ... | 04/30/2002 |
| 6376708 | Process and catalyst for dehydrogenating primary alcohols to make carboxylic acid salts This invention is directed to a process for making a salt of a carboxylic acid. The process comprises contacting a catalyst with an alkaline mixture comprising a primary alcohol. In one embodiment, for example, the catalyst comprises a metal support (pref... | 04/23/2002 |
