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)
06/1999
06/02/1999EP0919530A1 Improved process for the hydrogenation of maleic acid to 1,4-butanediol
06/02/1999EP0918842A1 Substantially odor-free polyhydroxyl solvents
06/02/1999EP0918781A1 Asymmetric synthesis catalyzed by transition metal complexes with cyclic chiral ligands
06/02/1999EP0918739A1 Process for the preparation of 4,4,4,-trichlorobutanol
06/02/1999EP0918738A1 Process for making 2,3-dihalopropanols
06/02/1999EP0804398B1 Hydroformylation process
06/02/1999EP0689478B1 Catalyst for the synthesis of higher alcohols
06/02/1999CN1218450A Preparation of gamma-butyrolactone, butane-1,4-diol and tetrahydrofuran
06/02/1999CN1218448A Cycloalkyl derivatives and solid-phase synthesis thereof
06/02/1999CN1218026A Manufacture of tomato metabolite of carotenoid
06/01/1999US5908807 Zironium, manganese and zinc oxides
06/01/1999US5908538 Separation of T-amyl alcohol from 2- methyl-1 -propanol azeotropic distillation
05/1999
05/29/1999CA2254847A1 Process for preparing saturated alcohols
05/27/1999WO1999025678A1 Process for preparing gamma-butyrolactone, butane-1,4-diol and tetrahydrofuran
05/27/1999WO1999025675A1 Process for the preparation of butane-1,4-diol, gamma-butyrolactone and tetrahydrofuran
05/27/1999WO1999025674A1 Unsaturated coconut and/or palm nut fatty alcohols
05/27/1999WO1999025673A1 Unsaturated palm oil fatty alcohols
05/27/1999WO1999025672A1 Method for producing 1,6-hexanediol and 6-hydroxycaproic acid or their esters
05/27/1999WO1999025671A1 A catalytic process for methanol synthesis
05/27/1999DE19750801A1 Unsaturated coconut and/or palm kernel fatty alcohol
05/27/1999DE19750800A1 Unsaturated palm kernel oil alcohol
05/27/1999CA2309997A1 Process for preparing gamma-butyrolactone, butane-1,4-diol and tetrahydrofuran
05/27/1999CA2309992A1 Process for the preparation of butane-1,4-diol, gamma-butyrolactone and tetrahydrofuran
05/26/1999CN1217653A Functionalized nanotubes
05/25/1999US5907070 Preparation of halogenated alcohols
05/20/1999WO1999024443A2 Catalysts for asymmetric synthesis containing rigid chiral ligands
05/20/1999WO1999024410A1 Transition metal-catalyzed reactions based on chiral amine oxazolinyl ligands
05/20/1999WO1999024384A1 Methods for decomposing esters and purifying alcohols
05/20/1999WO1999024383A1 A process for the catalytic oxidation of hydrocarbons
05/20/1999WO1999024381A1 Novel method of catalytic removal of protective group with allyl group
05/20/1999DE19750532A1 Process for production of1,6-hexanediol and 6-hydroxycaproic acid
05/20/1999CA2309193A1 Catalysts for asymmetric syntheses containing rigid chiral ligands
05/20/1999CA2308415A1 Transition metal-catalyzed reactions based on chiral amine oxazolinyl ligands
05/20/1999CA2307803A1 Methods for decomposing esters and purifying alcohols
05/19/1999EP0916637A1 Process for preparating optically active compounds
05/19/1999EP0916403A2 Catalyst for partial oxidation of hydrocarbon and process for preparation of oxygen-containing organic compound
05/19/1999EP0916402A1 Pressed articles of pyrogenically prepared silicon dioxide
05/19/1999EP0915817A1 Method of producing crystalline d-sorbitol
05/19/1999EP0915816A1 Process for preparing alcohols and/or aldehydes from olefins
05/19/1999EP0667804B1 Method of preparing alkanols and glycols
05/19/1999CN1216973A Process for purifying butane-1,4-diol
05/18/1999US5905173 Process for decomposing cycloalkyl hydroperoxide
05/18/1999US5905159 Method of producing 1,4-butanediol and tetrahydrofuran from furan
05/18/1999US5904815 Separation of t-amyl alcohol from n-butanol by azeotropic distillation
05/14/1999WO1999023086A1 Process for the preparation of hydroxy substituted gamma butyrolactones
05/14/1999WO1999023053A1 Catalytic hydrolysis of alkylene oxides
05/13/1999CA2253952A1 Mouldings based on pyrogenic silicon dioxide
05/12/1999EP0915075A1 Process for intermolecular etherification and ether cleavage
05/12/1999EP0914312A1 Method for producing xylitol
05/12/1999EP0914205A1 Oxidation process of organic substrates in the presence of metal complexes of tetra-, penta- and hexacoordinating ligands, and oxidation catalysts containing them
05/12/1999EP0583433B1 Diphosphine ligands
05/11/1999US5902916 Ruthenium compound introduced into a reactor together with the organic compound and deposited on a support present in the reactor during the reaction
05/11/1999US5902909 Compounds used in production of fluorescent whitening agents
05/11/1999US5902896 Reacting paraformaldehyde with acidic compounds such as diethyl malonate in an anhydrous medium using a basic catalyst; high yields; chemical intermediates for ultraviolet stabilizers or radioopaque media production
05/11/1999CA2114205C Integrated production of fuel gas and oxygenated organic compounds from synthesis gas
05/06/1999WO1999021817A1 Reaction of alkenes with epoxides, the products thereof and their use as fragrance compounds
05/06/1999WO1999021812A1 Process for the production of n-butanol
05/06/1999EP0912488A1 Process for the production of 1,4-butanediol, gamma-butyrolactone and tetrahydrofuran
05/06/1999EP0912478A1 Process for the separation of 2-alkene-1,4-diols and 3-alkene-1, 2-diols from catalysts
05/06/1999EP0912477A1 PROCESS FOR THE PREPARATION OF 2-ALKENE-1,4-DIOLS AND 3-ALKENE-1,2-DIOLS FROM $g(g),$g(d)-EPOXYALKENES
05/06/1999EP0912467A1 Asymmetric hydrogenation method of a ketonic compound and derivative
05/06/1999EP0912465A1 Improved lithium and amine dissolving metal reduction
05/06/1999EP0801637B1 Process for improving the purity of hexane diol-1,6
05/05/1999CN1216034A Process for preparing 1,3-propanediol
05/05/1999CN1215715A Process for synthesis of stereoselective 1,3-diol
05/05/1999CN1043192C Catalyst for hydrogenation of phenylethylene oxide to prepare beta-phenethyl alcohol
05/04/1999US5900513 Hydrogenolysis of cyclohexyl hydroperoxide using intermetallic catalyst containing palladium, lead, bismuth
04/1999
04/29/1999WO1999020587A1 Process for extraction and purification of lutein, zeaxanthin and rare carotenoids from marigold flowers and plants
04/29/1999WO1999020586A1 Process improvement to produce low color trimethylolpropane
04/29/1999DE19848569A1 Production of high quality trimethylolalkanes
04/29/1999DE19848568A1 Production of high quality trimethylolalkanes
04/28/1999EP0911311A1 Preparation of lycopene metabolites
04/28/1999EP0910548A1 Method for manufacturing transition-metal carbides, and their use as catalysts
04/28/1999EP0910340A1 Functionalized nanotubes
04/27/1999US5897750 Efficient distillation in presence of stable, recyclable extraction agents
04/27/1999CA2149894C Titanium silicalite oxidation catalysts
04/22/1999WO1999019287A1 Process of preparing a mixture of dimethyl ether and methanol from carbon dioxide
04/21/1999EP0909749A1 Process for the preparation of pentafluoropentanol
04/21/1999EP0802893B1 Process for the production of methanol
04/21/1999EP0579797B1 Diphosphine ligands
04/21/1999CN1214669A Aldehyde process
04/21/1999CN1214333A Process of hydrogenating glucose to prepare sorbierite
04/20/1999CA2250627A1 Manufacture of a lycopene metabolite
04/15/1999WO1999018056A1 Method for carrying out heterogeneous catalysis
04/15/1999WO1999018052A1 Separating agent for optical isomers and process for producing the same
04/15/1999DE19744702A1 Vicinal diols and/or vicinal hydroxy/alkoxy compounds
04/14/1999EP0908523A2 Process for producing high-purity erythritol crystal
04/14/1999EP0908439A1 Use of substituted 5-phenyl-pentanols as flavour and perfume
04/14/1999EP0907627A1 Method for producing xylitol
04/14/1999EP0876317A4 Zinc containing chemical product and method of making same
04/14/1999CN1214040A Synthesis of anionic cleaning agents
04/14/1999CA2247609A1 Process for preparing pentafluoropentanol
04/13/1999CA2147513C Process to convert biomass and refuse derived fuel to ethers and/or alcohols
04/08/1999WO1999016733A1 Method for producing vicinal diols or polyols
04/08/1999WO1999016732A1 Catalysts and processes using them
04/08/1999CA2304469A1 Catalysts and processes using them
04/07/1999EP0906274A1 Process for manufacturing sulphates of longer chain branched alkanols and alkoxylated alkanols
04/07/1999EP0906263A1 Process for improving color of basic metal organic salts by employing c7-c17 alkyl glycidyl esters and stabilizing halogen-containing polymers therewith
04/07/1999EP0906259A1 Process for producing isocamphyl cyclohexanoles
04/07/1999EP0906258A1 Process for preparing 1,3-alkanediols