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| Number | Title | Issue Date |
| 7442841 | Extraction process A process for the separation of an alcohol from a non-polar solvent; a ketone from a non-polar solvent; an alcohol from a mixture of a ketone and a non-polar solvent; or a mixture ... | 10/28/2008 |
| 7250537 | Method of hydrogenating phenol The present invention provides a novel method of hydrogenating a phenol for hydrogenating a phenol industrially advantageously. The present invention relates, in the case of phenol hydrogenation in which carbon dioxide is made to participate in the reaction, to a me... | 07/31/2007 |
| 7094924 | Method for decreasing surface defects of patterned resist layer Disclosed is a method for decreasing the surface defects of a patterned photoresist layer on a substrate surface obtained by the procedure comprising the steps of (a) forming a photoresist layer of a positive-working chemical-amplification photoresist composition on... | 08/22/2006 |
| 6943274 | Method for the production of cyclohexanol from benzene A process for preparing cyclohexanol from benzene by: a) preparing cyclohexene by hydrogenating benzene in the presence of a catalyst, and b) preparing cyclohexanol by hydrating the cyclohexene in the presence of a... | 09/13/2005 |
| 6939996 | Process for the hydrogenation of alkylaryl ketones The present invention pertains to a process for the hydrogenation of alkylaryl ketones, which process involves contacting a feed containing the alkylaryl ketones and from 0.5% to 30% by weight of phenolic compounds with hydrogen in the presence of a heterogeneous hy... | 09/06/2005 |
| 6906229 | Process for hydrolyzing di-isopropyl ether to isopropyl alcohol by catalytic distillation using a solid acid catalyst The invention relates to the production of isopropyl alcohol from di-isopropyl ether by catalytic distillation. The process solves, in particular, problems associated with the Sulfuric Acid Process. ... | 06/14/2005 |
| 6814867 | Process for reducing chromium in nonvolatile residue resulting from air oxidation of cyclohexane Disclosed herein is a process for reducing or substantially eliminating chromium in non-volatile residue obtained from a certain processes, and particularly from cyclohexane oxidation processes. ... | 11/09/2004 |
| 6806390 | Hydroperoxide decomposition catalyst An improved catalytic process for decomposing alkyl or aromatic hydroperoxides is disclosed which utilizes a caalytic amount of a heterogeneous Au catalyst that has been treated with an organosilicon reagent. ... | 10/19/2004 |
| 6703529 | Process for oxidation of cyclohexane Disclosed herein is a process for the production of a mixture of cyclohexanone and cyclohexanol by oxidation of cyclohexane and decomposition of cyclohexyl hydroperoxide.... | 03/09/2004 |
| 6677490 | Method for producing alcohol/ketone mixtures The invention relates to a method for producing a mixture of alcohols/ketones by decomposing an alkyl hydroperoxide, particularly to a method for producing a cyclohexanol/cyclohexanone by decomposing cyclohexyl hydroperoxide in the presence of a heterogen... | 01/13/2004 |
| 6617470 | Method for esterifying (meth)acrylic acid with an alkanol In a process for esterifying (meth)acrylic acid with an alkanol in the presence of an esterification catalyst, in which unconverted starting compounds and (meth)acrylic ester to be formed are separated off by distillation and an oxyester-containing bottom... | 09/09/2003 |
| 6608235 | Method of reducing epoxidized organic compound with hydrogen In reduction of an epoxy group-containing organic compound, for example, a C5 -C20 saturated or unsaturated epoxy cycloaliphatic compound, in the presence of a nickel catalyst, by bringing the compound into contact with hydrogen, the... | 08/19/2003 |
| 6552235 | Process for the preparation of cyclohexanol A method for producing cyclohexanol by subjecting cyclohexene to a hydration reaction in the presence of water using a solid acid as a catalyst in which as a reaction solvent, there is used an organic solvent having a solubility in water at 25° C. of not... | 04/22/2003 |
| 6476278 | Processes for the preparation of alcohols Alcohols are produced in a practical and advantageous method, by the hydrogenation of a carbonyl compound under mild conditions, by reacting the carbonyl compounds with hydrogen in the presence of a bipyridyl derivative, a group VIII transition metal comp... | 11/05/2002 |
| 6462206 | Catalytic reduction of ketones and aldehydes using organometallic ruthenium complexes Ketones and aldehydes are hydrogenated to the corresponding alcohol or alkyl group, using H2 gas as the stoichiometric reductant, and organometallic ruthenium complexes as the catalysts.... | 10/08/2002 |
| 6340775 | Method for reducing a carbonyl-containing compound A subject of the present invention is a process for the reduction of a carbonyl compound. More precisely, the invention relates to a process for reduction of an aldehyde and/or of a ketone. The reduction process of the invention, which consists of reactin... | 01/22/2002 |
| 6303836 | Method for producing 2-cyclododecyl-1-propanol 2-Cyclododecyl-propanol [sic], which is in demand as musk scent, is prepared in an advantageous industrial process by reacting cyclododecene with an excess of propionic acid or of a propionic acid derivative in the presence of catalytic amounts of a free-... | 10/16/2001 |
| 6291713 | Process of transferring , ଲ-unsaturated alkyl groups to electrophiles There is described a process of transferring ,ଲ-unsaturated alkyl groups to an electrophile (aldehyde, ketone, nitrile, imine, alkyne) by means of a masked zinc alkyl in an aprotic solvent.... | 09/18/2001 |
| 6255533 | Process for the recovery of cyclohexanone and cyclohexanol from cyclohexanone production distillation bottoms Organic by-products having higher boiling points than cyclohexanone (usually obtained from the bottoms of a distillation operation to separate cyclohexanone from other reaction products during cyclohexanone production) can be converted to recoverable cycl... | 07/03/2001 |
| 6248924 | Process for reacting an organic compound in the presence of a supported ruthenium catalyst A process for the reaction of an organic compound in the presence of a catalyst comprising, as active metal, ruthenium alone or together with at least one Group Ib, VIIb, or VIIIb metal in an amount of from 0.01 to 30 wt %, based on the total weight of th... | 06/19/2001 |
| 6215031 | 3-hydroxymethylcycloalkanols and process for producing them The present invention relates to a 3-hydroxymethylcycloalkanol of the following formula (1), and a process for production of a 3-hydroxymethylcycloalkanol of the formula (1) by reduction of 3-formylcycloalkanone or 3-formylcycloalkenone. In accordance wit... | 04/10/2001 |
| 6191311 | Hydroperoxide decomposition processes An improved process for decomposing alkyl or aromatic hydroperoxides to form a decomposition reaction mixture containing the corresponding alcohol and ketone. The improvement relates to decomposing the hydroperoxide by contacting the hydroperoxide with a ... | 02/20/2001 |
| 6160183 | Direct oxidation of cycloalkanes A catalytic process is disclosed for oxidizing cycloalkanes directly to form, in a single step, a mixture containing the corresponding alcohol and ketone. In particular, the invention relates to oxidizing a cycloalkane by contacting it with a source of ox... | 12/12/2000 |
| 6156933 | Supercritical hydrogenation Process for the selective hydrogenation of alphatic or aromatic substrates under supercritical or near critical conditions. Hydrogenation is effected using a heterogeneous catalyst in a continuous flow reactor containing a supercritical or near critical r... | 12/05/2000 |
| 6074708 | Photoinitiator photopolymerizable resin composition, polymer and liquid crystal display device A photoinitiator is represented by general formula (I): ##STR1## where n is an integer of 1 or greater; A and B are each a trans cyclohexane ring or a benzene ring, the benzene ring being allowed to include a fluorine atom or a methyl group as a subs... | 06/13/2000 |
| 6034283 | Process for production of cyclic alcohols A process for producing a cyclic alcohol by a catalytic hydration reaction of a starting cyclic olefin represented by the following formula (1) and water: Cs H2s-2-t Rt (1) wherein R is a hydrogen ... | 03/07/2000 |
| 5977402 | Processes for preparing 4-tert.-butylcyclohexanol and 4-tert.-butylcyclohexyl acetate 4-tert.-Butylcyclohexanol having a larger content of its cis-isomer is prepared by hydrogenating 4-tert.-butylphenol in a solvent in the presence of a rhodium catalyst and a compound selected from the group consisting of hydrogen chloride and (anhydrous) ... | 11/02/1999 |
| 5959153 | Process for decomposing cycloalkylhydroperoxide Process for decomposing a mixture containing cycloalkylhydroperoxide, which mixture includes an organic phase and an aqueous phase wherein, during the decomposition, at least one compound is present which meets the following parameters: A>-0.5 and B>-1.0 ... | 09/28/1999 |
| 5942645 | Hydrogenation of aromatic compounds in which at least one hydroxyl group is bonded to an aromatic ring A process for hydrogenating aromatic compounds in which at least one hydroxyl group is bonded to an aromatic ring comprises bringing at least one of these compounds into contact with free hydrogen in the presence of a catalyst, wherein the catalyst compri... | 08/24/1999 |
| 5905173 | Process for decomposing cycloalkyl hydroperoxide The invention relates to a process for decomposing a mixture containing cycloalkyl hydroperoxide with an aqueous phase containing alkali metal hydroxide where, besides the alkali metal hydroxide, there is also at least 10 wt. % of the aqueous phase of one... | 05/18/1999 |
| 5856590 | Process for producing cis-4-t-butylcyclohexanol A process whereby 4-t-butylcyclohexanol with a high content of the cis-isomer, which is useful as a perfume ingredient, can be economically produced on an industrially available scale at a low cost. The process comprises hydrogenating 4-t-butylcyclohexano... | 01/05/1999 |
| 5853613 | Chiral cyclohexyl compounds The present invention describes liquid crystal compounds which are suitable for use in liquid crystal devices including those which exploit the electroclinic effect.... | 12/29/1998 |
| 5767328 | Cyclic alcohol and process for producing the same A process for producing a cyclic alcohol which comprises subjecting a cyclic olefin represented by the formula: Cn H2n-2-m Rm (wherein R represents a hydrogen atom, an alkyl group of 1-4 carbon atoms, a phenyl group or a c... | 06/16/1998 |
| 5756849 | Process for grafting a substituted difluoromethyl group onto a compound containing an electrophilic functional group The invention relates to a process and a nucleophilic reagent which is useful for grafting a substituted difluoromethyl group onto a compound containing at least one electrophilic function, characterized in that it comprises: a) a fluorocarboxylic acid of... | 05/26/1998 |
| 5728890 | Process for producing a cycloalkanol and cycloalkanone A cycloalkylhydroperoxide, preferably having a C5-20 cycloalkyl group, is decomposed by bringing it into contact with a ruthenium complex of the formula: RuCl2 Ln !m (I) wherein L=a n... | 03/17/1998 |
| 5726321 | Process for carrying out gas/liquid reactions under avoidance of a continuous gas phase Process for carrying out gas/liquid reactions at from (-50°) to 300° C. and from 0.1 to 100 bar by carrying out the reaction in the absence of a continuous gas phase, and, as a special case, a process for the batchwise reaction of acetylene in the liqui... | 03/10/1998 |
| 5672778 | Process for increased yields of oxygenated products in two-step oxidation of hydrocarbons The invention comprises a method for the catalytic conversion of alkanes and alkylhydroperoxides to oxygenates, particularly alcohols, comprising the oxidation of alkanes to yield alkylhydroperoxides, alcohols, other reaction products and unreacted alkane... | 09/30/1997 |
| 5550301 | Dried catalytic systems for decomposition of organic hydroperoxides Organic hydroperoxides are decomposed by drying a reaction mixture containing the organic hydroperoxide and an organic solvent such that said dried reaction mixture comprises approximately 1 weight percent or less of water and contacting the dried reactio... | 08/27/1996 |
| 5475158 | Preparation of cycloalkanols A process for the preparation of cycloalkanols by the hydrolysis of cycloalkyl C1 -C4 fatty acid esters, which comprises the following steps: a) reaction of cycloalkyl C1 -C4 fatty acid esters with water at a te... | 12/12/1995 |
| 5403964 | Process for conversion of ethers to alcohols and olefins The present invention relates to enhanced process for converting certain ethers, such as sec-butyl ether and isopropyl ether to their corresponding reaction products in the presence of water. This may be accomplished by adding a rate enhancing surfactant,... | 04/04/1995 |
