Patents
Patents for C07C 29 - Preparation of compounds having hydroxy or o-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring (31,270)
05/2001
05/16/2001EP1099475A1 Catalyst for oxidizing methylbenzene and method for producing aromatic aldehyde
05/16/2001EP1098700A1 Dealuminized catalyst support, method for producing said catalyst support and method for hydrating c2- or c3-olefins with water in the presence of a catalyst consisting of this catalyst support impregnated with acid
05/16/2001EP1098699A1 Basic clay catalyst for the production of glycol monoester
05/16/2001CN1295550A Processes for preparing oxygenates and catalysts therefor
05/16/2001CN1295547A Direct oxidation of cycloalkanes
05/16/2001CN1295545A Process for synthesis ofchemical industrial feedstock and high-octane fuel, and high-octane fuel composition
05/16/2001CN1295056A Method of synthesizing ethanol in supercritical phase
05/16/2001CN1065854C Separation of phend
05/15/2001US6232512 Heterogeneous catalytic hydrogenation of reaction mixture with hydrogen using activated carbon charged with noble metal as catalyst
05/15/2001US6232511 Heterogeneously catalyzed hydrogenation of 3-hydroxypropionaldehyde in aqueous solution using supported catalyst consisting of oxide phase on which ruthenium is disposed
05/15/2001US6232506 Process for producing 6-methyl-3-hepten-2-one and 6-methyl-2-heptanone analogues, and process for producing phytone or isophytol
05/15/2001US6232352 Diverting synthesis gas (hydrogen, carbon monoxide, and carbon dioxide) from methanol synthesis loop to a carbon monoxide separator and reacting methanol with the carbon monoxide to make acetic acid
05/15/2001US6232258 Oxygenation catalyst and process for producing a ketone using the same
05/10/2001WO2001032594A1 Methanol plant retrofit for manufacture of acetic acid
05/10/2001WO2001032585A1 Potassium chloride for fertilizer and process for producing the same
05/10/2001WO2001019908A3 Recovery of modifier compounds and polar organic compounds from a poly(arylene sulfide) recycle mixture
05/10/2001US20010001106 Preparing D-mannitol having a specific surface area of not less than about 1 m2/g which comprises treating delta form D-mannitol crystals with a water-soluble solvent followed by drying
05/09/2001EP1097158A2 Ligands for metals and metal-catalyzed processes
05/09/2001EP1096997A1 Dealuminized catalyst carrier, method for producing said catalyst carrier and method for hydrating c 2? or c 3? olefins with water in the presence of a catalyst consisting of said acid-saturated catalyst carrier
05/09/2001CN1294572A Process for preparing cycloalkanone
05/09/2001CN1294571A Process for prepn. of butanediol, butyrolactone and tetrahydrofuran
05/09/2001CN1294570A Method for hydrogenating carbonyl compounds
05/09/2001CN1294569A 氧化方法 Oxidation method
05/09/2001CN1294111A Process for extracting solanesol
05/08/2001US6229056 Unsaturated fatty compounds with improved low-temperature behavior
05/03/2001WO2001030731A1 Method for preparing a non-crystallizable polyol syrup
05/03/2001WO2001030730A1 Method for producing an alcohol from an alkene
05/03/2001WO2001030729A1 Method for separating and recovering dimethyl terephthalate and ethylene glycol from polyester waste
05/03/2001WO2001030726A1 Production of oxygenates and oxygenated dimers
05/03/2001CA2388881A1 Method for producing an alcohol from an alkene
05/02/2001EP1095926A2 Production method of 5-phthalancarbonitrile compound, intermediate therefor and production method of the intermediate
05/02/2001EP1095925A1 Process for the preparation of a non crystallizing polyol syrop
05/02/2001EP0883590B1 Process for preparing 1,6 hexane diol with a level of purity over 99 %
05/02/2001CN1293649A Alicyclic compounds containing hydroxymethyl group, process for producing the same, and polymerizable alicyclic compound
05/02/2001CN1293179A New method of preparing Latif alcohol derivative
05/01/2001US6225500 Aromatic compounds used in engineering resins, pharmaceuticals, diagnostics and combinatorial chemistry
05/01/2001US6225354 Subjecting unsaponified beeswax to liquid extraction with liquid organic extractant in which primary aliphatic alcohols are soluble; recovering alcohol mixture and isolating alcohols
05/01/2001US6225347 For lowering blood pressure, inhibiting platelet aggregation, for luteolytic effect, healing ulcer, inhibiting gastric acid secretion, as cytoprotective agent
05/01/2001CA2317002A1 Production method of 5-phthalancarbonitrile compound, intermediate therefor and production method of the intermediate
04/2001
04/26/2001WO2001028971A1 Method for preparing chiral ester
04/26/2001WO2001028966A2 Process for obtaining highly pure xantophyll concentrates
04/26/2001WO2001028964A2 A liquid phase catalytic hydrogenation process to convert aldehydes to the corresponding alcohols
04/26/2001WO2000075121A3 Process for preparing 10,11-methanobenzosuberane derivatives
04/26/2001WO2000021914A8 Process for removing a cobalt or rhodium carbonyl compound from an aqueous 3-hydroxypropanal solution
04/26/2001DE19951280A1 Alcohol preparation comprises hydrating an alkene(s) using water and a catalyst(s) comprising a zeolite catalyst of specified structure
04/26/2001DE19950991A1 Purification of a raw 1,4-butandiol aqueous solution comprises using a distillation apparatus with three columns
04/26/2001CA2387950A1 Method for preparing chiral ester
04/25/2001EP1094051A1 A liquid phase catalytic hydrogenation process to convert aldehydes to the corresponding alcohols
04/25/2001EP1066233A4 Improved process for the production of a dihydroxybenzene and dicarbinol from diisopropylbenzene
04/25/2001CN1292792A Microencapsulated lewis acid
04/25/2001CN1292775A Process for making carboxylic acid esters
04/25/2001CN1292774A Method for distilling mixtures containing butanediol
04/25/2001CN1064948C Process and catalyst for selective hydrogenation of butine diol to butene diol
04/24/2001US6221417 Xanthophyll formed by in situ transesterification of natural xanthophyll esters
04/24/2001CA2031686C 1-bromo-3-chloro-1,2-diaryl-2-propanols, the stereo-selective preparation of erythro-1-bromo-3-chloro-1,2-diaryl-2-propanols and the conversion thereof into azolylmethyloxiranes
04/19/2001WO2001027058A1 Process for the simultaneous production of maleic anhydride and its hydrogenated derivatives
04/19/2001WO2001026807A1 Supported ferrocene-based catalysts for selective aldehyde hydrogenation
04/19/2001WO2001026786A1 Method of and apparatus for producing sub-micron bubbles in liquids, slurries, and sludges
04/19/2001WO2000048973A3 Methods for decomposing esters and purifying alcohols
04/19/2001DE19944874C1 Verfahren zur Herstellung von Cyclooctanol Process for the preparation of cyclooctanol
04/19/2001CA2383653A1 Supported ferrocene-based catalysts for selective aldehyde hydrogenation
04/18/2001CN1064662C Method of directly preparing terpene hydrate alcohol by terpene
04/18/2001CA2323311A1 New process for the preparation of retiferol derivatives
04/17/2001US6218585 Maintaining borohydride concentration before reduction with borane-tetrahydrofuran complex
04/17/2001US6218580 Reacting alcohol in presence of acid-stable hydrogenation catalyst
04/17/2001US6218439 Supplying raw material gas containing hydrocarbon and steam into reformer to form synthetic gas containing as main components hydrogen, carbon monoxide, and carbon dioxide, reacting product in presence of methanol synthesis catalyst
04/17/2001US6217769 Separating agent for optical isomers and process for producing the same
04/12/2001WO2001025183A1 Process for preparing carboxylic esters of optically active 1-perfluoroalkylated alcohols, optically active 1-perfluoroalkylated alcohols and process for the preparation thereof
04/12/2001WO2001025178A1 Process to separate 1,3-propanediol or glycerol, or a mixture thereof from a biological mixture
04/12/2001WO2000042121A8 Hydrofining process using bulk group viii/group vib catalysts
04/12/2001WO2000042120A8 Hydrotreating or raw virgin distillates using novel bulk multimetallic catalysts
04/12/2001DE19948112A1 Verfahren zur Herstellung von 1,3-Diolen Process for the preparation of 1,3-diols
04/12/2001CA2384774A1 Process to separate 1,3-propanediol or glycerol, or a mixture thereof from a biological mixture
04/11/2001EP1090902A2 Method for producing alcohols such as cyclohexanedimethanol
04/11/2001EP1090900A1 Method of producing cyclododecanone and cyclododecanol
04/11/2001EP1090899A2 Process for the preparation of 1,3-diols
04/11/2001EP0791041B1 Hydrogenation of substrate with substrate and hydrogen in a substantially homogeneous super-critical or near-critical solution
04/11/2001CN1290679A Method for preparing dibenzyl sorbitol
04/11/2001CN1064345C Process for preparing 1,3-alkanediols and 3-hydroxyaldehydes
04/11/2001CN1064344C Process for producing N-butyraldehyde and/or N-butanol
04/11/2001CN1064342C Process for producing o-secondary butyl phenol
04/11/2001CN1064341C Process for production of polyhydric alcohol
04/10/2001US6215031 3-hydroxymethylcycloalkanols and process for producing them
04/10/2001US6215030 Catalytic reduction of acids, esters and anhydrides to alcohols
04/10/2001US6215020 Basic clay catalyst for the production of pentylglycol monoesters
04/10/2001US6214314 By steam reforming a hydrocarbon feedstock, condensing and separating steam from the reformed gas, synthesizing methanol from the dewatered reformed gas without further compression, separating methanol from hydrogen from residual gas
04/10/2001US6214176 Method of and apparatus for manufacturing methanol
04/10/2001US6212905 Comprising providing a said mixed charge gas from an olefin generation process, separating said charge gas into a bottoms and an overhead at a temperature of about-55degree f. or higher to produce an ethylene product stream as overhead
04/07/2001CA2285578A1 Rhodium-catalyzed addition of alkenyl- and aryltrifluoroborates to aldehydes and enones
04/05/2001WO2001023337A1 Novel processes for the synthesis of 1d-chiro-inositol and intermediates
04/05/2001WO2001023088A1 Catalyst for asymmetric transfer hydrogenation
04/05/2001WO2001023061A2 Recovery process for volatile compounds from solids in aqueous solution
04/05/2001DE19947505A1 Verfahren zur Herstellung organischer Verbindungen im Membranreaktor Process for the preparation of organic compounds in the membrane reactor
04/05/2001DE19939566C1 Verzweigte, weitgehend ungesättigte Esteröle, Verfahren zu ihrer Herstellung und ihre Verwendung zur Herstellung von kosmetischen und/oder pharmazeutischen Zubereitungen Branched, substantially unsaturated ester oils, process for their preparation and their use for the production of cosmetic and / or pharmaceutical preparations
04/05/2001CA2379624A1 Recovery process for volatile compounds from solids in aqueous solution
04/04/2001EP1088820A1 Process for the preparation of 3-hydroxytetrahydrofuran
04/04/2001EP1088811A1 A novel cross-aldol condensation for hydroxypivaldehyde
04/04/2001EP1088587A2 Process for the production of organic compounds in a membrane reactor
04/04/2001EP1087921A1 Anti-aging agent for glycols or glycol ethers
04/04/2001EP1087920A1 Methods for converting lower alkanes and alkenes to alcohols and diols