Patents
Patents for C07C 27 - Processes involving the simultaneous production of more than one class of oxygen-containing compounds (9,977)
05/2000
05/02/2000CA2020168C Process for preparing cis-dihydronopol
04/2000
04/27/2000WO2000023411A1 Process of recovering methyl ethyl ketone from an aqueous mixture of methyl ethyl ketone and ethanol
04/27/2000WO2000023406A1 Processing of contaminated fatty alcohol mixtures
04/27/2000DE19848548A1 Purification of fatty alcohol mixture, especially before recycling in alkyl oligoglycoside manufacture, involves treatment with acid and distillation from residue
04/26/2000EP0994834A1 Ligated platinum group metal catalyst complex and improved process for catalytically converting alkanes to esters and derivatives thereof
04/26/2000CN1051763C Process for preparing cyclohexyl hydroperoxide
04/18/2000CA2005425C Process for producing 1,4-butanediol and tetrahydrofuran
04/13/2000WO1999062451A9 Topical transdermal treatments
04/05/2000EP0990634A1 Acylating agents, acylation method with the use of the same and adamantane derivatives
04/05/2000EP0876324B1 Process for manufacturing terephthalic acid
04/05/2000EP0876316B1 Process for the preparation of polyalcohols
04/05/2000CN1249738A Method for producing n-butyraldehyde and/or n-butanol
03/2000
03/30/2000WO2000017147A1 5,6-dihydronaphthalenyl derivatives having retinoid-like activity
03/30/2000CA2344310A1 5,6-dihydronaphthalenyl derivatives having retinoid-like activity
03/29/2000CN1050838C Preparation process for lactone of IR, cis 2,2-dimethyl-3-formyl-cyclopropane-1-carboxylic acid and halogenated intermediates
03/23/2000WO2000015341A2 Method for producing active and/or selective solid catalysts from inorganic or organometallic materials
03/23/2000WO2000015335A1 Epoxidation catalyst carrier, preparation and use thereof
03/23/2000DE19843242A1 Active and/or selective catalysts made from inorganic or organometallic solids used for partial oxidation of propane are manufactured using multistep development process
03/21/2000US6040475 Intermediate compounds for making metabolites of lycopene
03/16/2000WO2000014042A1 High selective method of phenol and acetone production
03/14/2000US6037507 Oxidation process of branched aliphatic hydrocarbons and process for producing the oxide
03/14/2000US6037482 Process for catalytic addition of nucleophiles to alkynes or allenes
03/09/2000WO2000012470A1 Hydroperoxide decomposition process
03/09/2000CA2339588A1 Hydroperoxide decomposition process
03/08/2000CN1246841A Hydroperoxide decomposition process
03/08/2000CN1050117C Method for separation and preparation of maleic-15-tetracosenoic acid
03/08/2000CN1050116C Process for synthesizing methanol and formic ether
03/02/2000WO2000010961A1 Method for producing acrolein and/or acrylic acid from propane
03/02/2000WO2000010960A1 Method for producing acrolein and/or acrylic acid from propane
03/02/2000WO2000010957A1 Method for producing acrolein and/or acrylic acid from propane
03/01/2000EP0981520A1 Efficient enantioselective addition reaction using an organozinc reagent
02/2000
02/29/2000US6031128 Process for manufacturing terephthalic acid
02/24/2000WO2000009260A1 Molybdenum-vanadium based catalyst for low temperature selective oxidation of propylene, methods of making and using the same
02/24/2000DE19837519A1 Production of acrolein and/or acrylic acid involves two stage catalytic oxydehydrogenation of propane, using air as the oxygen source and removing nitrogen from residual gas before recycling
02/24/2000DE19837518A1 Production of acrolein and/or acrylic acid involves two stage catalytic oxydehydrogenation of propane, using modified air with less nitrogen and more oxygen than normal air as the oxygen source
02/24/2000DE19837517A1 Production of acrolein and/or acrylic acid involves two stage catalytic oxydehydrogenation of propane, using modified air with less nitrogen and more oxygen than normal air as the oxygen source
02/23/2000CN1245482A Method of recovery of terephthalic acid and ethylene glycol from poly/ethylene terephthalate/wastes
02/22/2000US6028220 Producing acrolein and acrylic acid using a supported dual activity molybdenum, iron, and bismuth based catalyst in a fixed bed multitubular reactor
02/22/2000CA2181950C Enhanced recovery of alcohol from an ether containing stream
02/22/2000CA2105637C Two-stage cleavage of cumene hydroperoxide
02/15/2000US6025295 Supported catalysts
02/15/2000CA2164912C Process for recovering the light noble products present in the distillation residues of processes used to prepare acrylic acid and its esters
02/15/2000CA2164591C Process for recycling polyesters
02/09/2000CN1244137A Apparatus for producing polyadducts of alkylene oxides with combined liquid-in-gas and gas-in-liquid dispersion reactor
01/2000
01/26/2000EP0973715A1 Method of recovery of terephthalic acid and ethylene glycol from polyethylene terephthalate wastes
01/26/2000EP0862546B1 Hydroformylation process
01/26/2000EP0847378B1 Process for separating butanol and dibutyl ether by means of dual-pressure distillation
01/25/2000US6018074 Process for the preparation of polyalcohols
01/19/2000EP0971868A1 Method for producing n-butyraldehyde and/or n-butanol
01/19/2000CN1048480C Synthetic method of cyclohexanol, cyclohexanone and adipic acid
01/19/2000CN1048421C Methane-oxidizing and-coupling synthetic ethylene technology
01/18/2000US6015926 Adding dialkylzinc to chiral additive, adding second additive to form chiral zinc complex, mixing with organometallic reagent, reacting with carbonyl compound to form desired alcohol
01/18/2000US6015924 Deperoxidizing washing waters by catalytic hydrogenation,oxidizing product with nitric acid
01/12/2000EP0970032A1 Method for preparing cleaved products from castor oil or derivatives thereof
01/05/2000EP0968170A1 Methods for preparing prenyl alcohol
01/05/2000EP0968162A1 5-hydroxyalkyl substituted phenyls and their use in medicaments for the treatment of arteriosclerosis and hyperlipoproteinaemia
01/05/2000CN1240417A Improved method for producing phenol and acetone from cumol
01/05/2000CN1240416A Process for preparing oxidation products from cyclohexane in counterflow
01/05/2000CN1240156A Low grade paraffine oxidation dehydrogenating catalyst and process for preparing olefines
01/05/2000CN1048038C Hydrocarbon raw material partial oxidation method containing ash treating process
12/1999
12/28/1999US6008417 Oxidative dehydroxylation, oxidative cleaving, intramolecular aldol condensation, silylation, c3-chain lengthening and simultaneous saponification, reaction with vinylmagnesium bromide, deprotection, and wittig reaction
12/22/1999CN1047587C Process for preparing mixture containing alkanone and alkanol
12/21/1999US6005148 Supported catalysts
12/16/1999WO1999064382A1 Process for continuous production of dialkyl carbonate and diol
12/14/1999CA2001000C Process for preparing a cycloalkanone and/or cycloalkanol
12/09/1999WO1999062685A1 Hot-melt adhesive for sealing the edge of laminated glass
12/09/1999WO1999062451A1 Topical transdermal treatments
12/09/1999DE19824965A1 Schmelzklebstoff zur Randabdichtung von Verbundglas, Verfahren zur Herstellung des Schmelzklebstoffs und seine Verwendung Hot-melt adhesive for sealing the edge of laminated glass, methods of making the hot melt adhesive and its use
12/09/1999CA2333903A1 Topical transdermal treatments
12/07/1999US5998677 Process for the production of phenol
12/02/1999WO1999050221A3 Method for producing (meth)acrylic acid and (meth)acrylic acid esters
12/01/1999EP0960875A1 Process for the preparation of saturated carboxylic acids with 1-4 C-atoms
12/01/1999EP0959986A1 Apparatus for the production of polyadducts of alkylene oxides with a combined liquid-in-gas and gas-in-liquid dispersion reactor
12/01/1999CN1236770A Process for preparing saturated carboxylicacids having from 1 to 4 carbon atoms
11/1999
11/30/1999US5994591 Hydroformylation process
11/30/1999US5994567 Liquid phase oxidation process
11/24/1999EP0958860A2 Lower alkane oxidative dehydrogenation catalysts containing i) Cr or Mo, ii) W and iii) Sb and process for producing olefins
11/24/1999CN1235952A Process for preparing phenol and acetone by cumene hydroperoxide intensified decomposition
11/24/1999CN1235949A Method for enhancing selectivity of decomposition of dicumyl peroxide to alpha-methyl styrene
11/24/1999CN1046754C Reduction process for phenol tar waste
11/23/1999US5990363 Method for oxidizing alkanes using novel porphyrins synthesized from dipyrromethanes and aldehydes
11/23/1999US5990357 Process for the oxidation of isoalkylaromatic hydrocarbons, and catalyst for the execution of the process
11/16/1999US5986116 Method for producing conjugated linoleic acid
11/16/1999US5985100 Separating high purity butanol and dibutyl ether from mixtures containing butanol, water and dibutyl ether in simple, economical manner
11/11/1999DE19646378C2 Verfahren und Vorrichtung zur Rückgewinnung von Dicarbonsäuren und Diolen aus Polyesterabfällen, insbesondere aus Polyethylenterephthalat(PET)-Abfällen beliebigen Polymerisationsgrades Method and apparatus for the recovery of dicarboxylic acids and diols of polyester waste, in particular from polyethylene terephthalate (PET) including wastes any polymerization degree
11/10/1999EP0954375A1 Novel supported catalysts
11/10/1999CN1234390A Method for producing dichloro-acetoxy-propane and derivative thereof
11/09/1999US5981769 From adipic acid, 6-hydroxycaproic acid and small amounts of 1,4-cyclohexanediols by esterifying and hydrogenating a substream to give hexanediol and cyclizing 6-hydroxycaproic esters to give caprolactone
11/09/1999US5981420 Oxidation catalysts system consists of an n-hydroxy or n-oxy imide compound and a transition metal compound excluding a polyacid as cocatalyst
10/1999
10/21/1999DE19817101A1 Verfahren zur Herstellung von Kaliummonoethylmalonat A process for preparing potassium monoethyl malonate
10/20/1999EP0950653A1 Process for the preparation of potassium monoethylmalonate
10/13/1999CN1231276A Olefines hydrating process
10/07/1999WO1999050222A1 Method for producing acrylic acid and acrylic acid esters
10/07/1999WO1999050221A2 Method for producing (meth)acrylic acid and (meth)acrylic acid esters
10/07/1999DE19814449A1 Verfahren zur Herstellung von (Meth)acrylsäure und (Meth)acrylsäureestern A process for preparing (meth) acrylic acid and acrylic acid esters, (meth)
10/07/1999DE19814421A1 Verfahren zur Herstellung von Acrylsäure und Acrylsäureestern A process for the production of acrylic acid and acrylic acid esters
10/06/1999EP0947497A2 Process for producing dichloroacetoxypropane and derivatives thereof
10/05/1999US5962747 Oxidizing 1,3-diisopropylbenzene; extraction; circulation
09/1999
09/29/1999EP0945419A1 Olefin hydration process
09/29/1999EP0944567A1 Improved method for producing phenol and acetone from cumol
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