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| Number | Title | Issue Date |
| 7872158 | Chemical production processes, systems, and catalyst compositions Chemical production processes are provided that can include exposing a reactant composition to a catalyst composition to form a product composition. The reactant composition can include a multihydric alcohol compound and the product composition can include a carbony... | 01/18/2011 |
| 7683220 | Process for production of acrolein There is provided a process for producing acrolein from glycerin, exhibiting a suppressed decrease in the yield of acrolein with time. In the process for producing acrolein by dehydrating glycerin in the presence of a catalyst containing a metal phosphate, one, or t... | 03/23/2010 |
| 7655818 | Process for dehydrating glycerol to acrolein The present invention relates to a process for manufacturing acrolein by gas-phase dehydration of glycerol in the presence of strongly acidic solid catalysts with a Hammett acidity H0 of between −9 and −18 and preferably between −10 and −16. ... | 02/02/2010 |
| 7544844 | Process for producing 3,3,3-trifluoropropionaldehyde There is provided a process for producing 3,3,3-trifluoropropionaldehyde, including the step of hydrolyzing a benzyl vinyl ether of the formula [1] in the presence of a catalyst selected from the group consisting of Arrhenius acids and Lewis acids, [Chem. 17]... | 06/09/2009 |
| 7396962 | Process for dehydrating glycerol to acrolein The present invention relates to a process for manufacturing acrolein by dehydration of glycerol in the presence of molecular oxygen. The reaction is performed in the liquid phase or in the gas phase in the presence of a solid catalyst. The addition of oxygen makes ... | 07/08/2008 |
| 7332632 | Method for producing aldehyde compound or ketone compound by using microreactor The method for producing an aldehyde or ketone compound from a corresponding primary or secondary alcohol at relatively high temperature within a short time with a high yield including a step (1) of reacting a sulfoxide compound with an activating agent to produce a... | 02/19/2008 |
| 7227044 | Cycloalkanone composition The present invention relates to a cycloalkanone composition which contains cycloalkanone (1) in an amount of 70 wt % or more based on the composition, wherein the content of a dimer of a cycloalkanone represented by formula (2) is 0.055 or less in terms of weight r... | 06/05/2007 |
| 7183421 | Processes for producing oxide with higher oxidation than alcohol The present invention provides a process for producing an oxide from an alcohol compound, the process comprising the steps of causing silica gel to carry the alcohol compound thereon and an oxidative catalyst thereon, and oxidizing the alcohol compound in the presen... | 02/27/2007 |
| 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 |
| 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 |
| 6984759 | Process for the preparation of perfluoropolyethers having aldehyde, alcohol, amine end groups by catalytic reduction Process for the perfluoropolyether preparation having reactive end groups —CH2NH2, —CHO, —CH2OH, by reduction of the corresponding perfluoropolyethers having —CN, —COCl, —CHO end groups by using gaseous hydrogen in the pr... | 01/10/2006 |
| 6909019 | Process for preparing aldehydes A process is disclosed for preparing aldehydes by isomerization of the corresponding unsaturated primary alcohols using a transition metal catalyst system, in an alcoholic solvent and in the presence of an acid. An aldehyde forms by isomerizing an unsaturated primar... | 06/21/2005 |
| 6897342 | Method for producing aldehydes A process for making aldehydes involving: (a) providing a fatty alcohol; (b) providing an oxidic copper/zinc catalyst; and (c) continuously dehydrogenating the fatty alcohol, in the presence of the oxidic copper/zinc catalyst, at a temperature of from about 200 to 2... | 05/24/2005 |
| 6867333 | EPOTHILONE SYNTHESIS BUILDING BLOCKS III AND IV: ASYMMETRICALLY SUBSTITUTED ACYLOINS AND ACYLOIN DERIVATIVES, METHODS FOR THEIR PRODUCTION AND METHODS FOR THE PRODUCTION OF EPOTHILONES B, D AND EPOTHILONE DERIVATIVES The present invention is directed to novel acyloins, their derivatives, methods for their production and their use for the production of novel epothilones and their derivatives. In addition, the invention is directed to the building blocks for epothilone synthesis, ... | 03/15/2005 |
| 6797830 | Process for producing oxide with higher oxidation than alcohol The present invention provides a process for producing an oxide from an alcohol compound, the process comprising the steps of causing silica gel to carry the alcohol compound thereon and an oxidative catalyst thereon, and oxidizing the alcohol compound in the presen... | 09/28/2004 |
| 6787671 | Catalytic osmium-assisted oxidative cleavage of olefins An osmium-assisted process for the oxidative cleavage of oxidizable organic compounds such as unsaturated organic compounds, including alkenes and olefins into aldehydes, carboxylic acids, esters, or ketones. The process uses a metal catalyst comprising osmium and a... | 09/07/2004 |
| 6781018 | Process and catalyst for production of formaldehyde from dimethyl ether Dimethyl ether is converted to formaldehyde using a supported catalyst comprising molybdenum and/or vanadium oxides. The surface density of the oxide(s) ranges from greater than that for the isolated monomeric oxides upwards, so long as there is a substantial absenc... | 08/24/2004 |
| 6670509 | Conversion of organic substrates to oxygenates or olefins using a bicyclo imide promoter A process for oxygenating organic substrates such as aliphatic hydrocarbons has been developed. The process involves contacting the organic substrate with oxygen in the presence of a bicyclo imide promoter and a metal co-catalyst. The process is preferabl... | 12/30/2003 |
| 6559346 | Method for the continuous production of glutaraldehyde In a process for the continuous preparation of glutaraldehyde by reaction of an alkoxydihydropyran of the formula I ##STR1## where R is C1 -C20 -alkyl, with water at from 0° C. to 200° C. and a pressure in the range from 0.01 bar t... | 05/06/2003 |
| 6479710 | Method of catalyzing a gas phase reaction using an acid-base catalyst composed of vanadium pentoxide hydrate A solid acid-base catalyst contains vanadium pentoxide hydrate. Moreover, it is preferable that the vanadium pentoxide hydrate in the solid acid-base catalyst has a composition which is represented by the following general equation (1): V2 O | 11/12/2002 |
| 6444637 | Reaction of alkenes with epoxides, the products thereof and their use as fragrance compounds Lewis acid-catalyzed reaction of an alkene, including cycloalkenes, with an epoxide to provide an aldehyde which may be reduced to the corresponding alcohol. The reaction products may be used to provide perfumes or perfume products.... | 09/03/2002 |
| 6441252 | Apparatus for producing phenol using reactive distillation An apparatus for producing phenol and acetone from cumene hydroperoxide comprises a reactive distillation column comprising at its upper portion a distillation column and at its lower portion a catalyst bed.... | 08/27/2002 |
| 6441243 | Process for the selective oxidation of alcohols using readily removable nitroxyl radicals The invention relates to a process for the selective oxidation of alcohols to ketones or to aldehydes by means of an alkali hypohalite under alkaline conditions, which comprises carrying out the oxidation in the presence of a heterogeneous oxidation catal... | 08/27/2002 |
| 6441251 | Production of phenol A process for producing phenol and acetone from cumene hydroperoxide is described in which the cumene hydroperoxide is contacted with a solid-acid catalyst comprising an inorganic, porous, crystalline material, designated as M41S, exhibiting, after calcin... | 08/27/2002 |
| 6441246 | Catalytic synthesis of aldehydes by direct hydrogenation of carboxylic acids A process which makes it possible to prepare aldehydes under mild reaction conditions with a high efficiency through the reduction of carboxylic acids with molecular hydrogen. Specifically, a process of reducing an organic carboxylic acid with molecular h... | 08/27/2002 |
| 6410804 | Production of phenol using reactive distillation A process for producing phenol and acetone from cumene hydroperoxide comprises: i) introducing a cumene hydroperoxide feed into a reactive distillation column comprising at its upper portion a distillation column and at its lower portion a catalyst bed, a... | 06/25/2002 |
| 6376718 | Dehydrogenation of alkylene glycol ethers to ether ketones and aldehydes A catalytic dehydrogenation of alkylene glycol ether to ether ketone or aldehyde is disclosed. The dehydrogenation is performed with copper chromite catalyst and at least 5 wt % of water based on alkylene glycol ether. It has been found that the selectivi... | 04/23/2002 |
| 6350919 | Preparation of polyoxymethylene dialkane ethers, by catalytic conversion of formaldehyde formed by dehydrogenation of methanol or dimethyl ether Oxygenated organic compounds exhibiting the desired combination of advantageous properties have structures represented by the formula CH3 E (CH2 O)x (CHO)y E' where E is selected from the group consisting of CH3 | 02/26/2002 |
| 6339175 | Process for the non-oxidative preparation of formaldehyde from methanol In a process for preparing formaldehyde from methanol by dehydrogenation in a reactor in the presence of a catalyst at a temperature in the range from 300 to 1000° C., a carrier gas stream which has a temperature above the dehydrogenation temperature is ... | 01/15/2002 |
| 6303828 | Process for selective catalytic oxidation of olefins to aldehydes, ketones with cleavage of C=C bonds The use of compounds of the formula (I) R1a Reb Oc.cndot.L.sub.d (I), in which a=zero or an integer from 0 to 6 b=an integer from 1 to 4 c=an integer from 1 to 12 d=an integer from 0 to 4 L=Lewis base and the total of a, b an... | 10/16/2001 |
| 6281400 | Process for preparation of a catalytic microcomposite from a silicate and a highly fluorinated ion exchange resin The present invention relates to a process for preparing a microcomposite comprising a highly fluorinated ion-exchange polymer containing pendant sulfonate functional groups, said polymer existing as aggregated particles entrapped within and dispersed thr... | 08/28/2001 |
| 6201156 | Method for production of aldehydes An ether of the following formula (2): ##STR1## (wherein Ra is a hydrogen atom, a hydrocarbon group or a heterocyclic group, Rb is a hydrogen atom, a hydroxyl group or a substituted oxy group, and Rc is a hydrocarbon group... | 03/13/2001 |
| 6198006 | Process for the manufacture of citral A process for the manufacture of citral is provided by the catalyzed rearrangement of dehydrolinalool to citral. The rearrangement is carried out in the presence of a molybdenum compound of the general formula MoO2 X2 wherein X signi... | 03/06/2001 |
| 6191313 | Process for the manufacture of dihydrocitral A process for the manufacture of dihydrocitral, a valuable intermediate, through the catalyzed rearrangement of dihydrodehydrolinalool by carrying out the rearrangement in the presence of a molybdenum compound of the general formula MoO2 X... | 02/20/2001 |
| 6169216 | Production of phenol A process for producing phenol and acetone from cumene hydroperoxide is described in which the cumene hydroperoxide is contacted with a solid-acid catalyst comprising a sulfated transition metal oxide, preferably sulfated zirconia.... | 01/02/2001 |
| 6169215 | Production of phenol A process for producing phenol and acetone from cumene hydroperoxide is described in which the cumene hydroperoxide is contacted with a solid-acid catalyst produced by calcining a source of a Group IVB metal oxide with a source of an oxyanion of a Group V... | 01/02/2001 |
| 6160186 | Preparation of polyoxymethylene dimethyl ethers by catalytic conversion of dimethyl ether with formaldehyde formed by dehydrogenation of dimethyl ether A particularly useful process which includes the steps of providing a source of formaldehyde formed by conversion of dimethyl ether in the presence of a catalyst comprising copper and zinc; and contacting the source of formaldehyde and a predominately dim... | 12/12/2000 |
| 6107525 | Process for the manufacture of hydroxycarbonyl compounds A propene ether is selectively oxidized to an aldehyde-masked 2-hydroxypropanal using a metal-containing oxidation catalyst.... | 08/22/2000 |
| 5962745 | Process for preparing 3-hydroxyalkanals A process for preparing 3-hydroxyalkanals having 3 to 12 carbon atoms by hydration of 2-alkenals with homogeneous catalysis, by using as catalyst a compound corresponding to the formula ##STR1## wherein: z denotes H, C1 - to C6 ... | 10/05/1999 |
| 5698744 | Process for the selective oxidation of compounds Selective oxidation employs ferromagnetic chromium dioxide followed by magnetic separation.... | 12/16/1997 |
