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)
09/1992
09/01/1992US5144088 Manufacture of neopentyl glycol (I)
09/01/1992US5144084 Acidic Zeolite, Nonacidic Refractory Oxide Binder
09/01/1992US5144039 Process for producing optically active alcohol
09/01/1992US5144024 Contains another polyol, noncrystallizing
09/01/1992CA1306989C Methods for producing methanol synthesis catalysts
09/01/1992CA1306846C Process for heterogeneous synthesis and related reactors
08/1992
08/26/1992CN1017971B Process and apparatus for pressure chemical reactions in multi-reactionary range having external intermediary thermoregulation
08/25/1992US5142078 Catalytic reaction of aluminum with alcohol to give aluminum alkoxide
08/25/1992US5142074 Reacting alkali metal alkoxide with copper fluoride; ammoniation, filtration
08/25/1992US5141604 Absorption of hydrogen; desorption
08/25/1992CA1306597C Process for preparing halogen magnesium alanate and use thereof
08/20/1992WO1992013818A1 Alcohol production
08/19/1992EP0499054A1 Cyclic process for the preparation of cyclohexene oxide as well as of cyclohexanol and cyclohexanone
08/19/1992EP0498969A1 Treatment of lower glycol-containing operative fluids
08/18/1992US5139976 Cordierite composition and method of production
08/18/1992US5139795 Melt crystallized xylitol
08/18/1992US5139677 Peryaporation across polyurea or polyamide membrane
08/16/1992CA2103789A1 Catalytic process for converting hydro-carbonaceous feeds, particularly lower alkanes, to esters, alcohols and optionally to hydrocarbons
08/12/1992CN1063481A Process for producing alcohol
08/11/1992US5138111 Eta phase materials, methods of producing the same, and use thereof as catalysts for alcohol synthesis, hydrocarbon synthesis, hydrocarbon hydrogenation and hydrocarbon conversion reactions
08/11/1992US5138106 Catalytic transesterification, separation, distillation and catalytic transesterification
08/11/1992US5138105 Gas separation membrane
08/11/1992US5137924 Catalytic process
08/11/1992CA1306234C Process for the fabrication of a primary alcohol mix with a synthesis gaz in presence of a cupper, cobalt, zinc and at least one alkaline and/or alkaline-earth metal containing catalyst
08/06/1992DE4113424C1 Prepn. of tert. tri- or tetra- fluoro derivs. of benzyl alcohol derivs. - from corresp. tetra- or penta- fluoro deriv., obtd. in higher yields with little formation of by-prods
08/05/1992EP0497680A1 Process for the separation of ethyl tert-butyl ether and ethanol
08/05/1992EP0497439A1 Erythritol compositions
08/05/1992EP0497425A1 Process for the combined production of organic compounds and power
08/05/1992EP0497226A2 Method for producing methanol by use of nuclear heat and power generating plant
08/05/1992EP0496834A1 Process for the conversion of carbonaceous feedstocks to particulate carbon and methanol
08/05/1992CN1017703B Catalysed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters
08/04/1992US5136112 Process for preparing 2-hydroxy-2 5, 5, 9-tetramethyldecalyl ethanol
08/04/1992US5136108 Production of oxygenated fuel components
08/04/1992US5135722 Converters for heterogeneous catalytic synthesis, particularly for ammonia and methanol, under pressure
08/04/1992US5135573 Removal of metal soaps from hydrogenated fatty products
08/04/1992CA1305974C Hydrocarbon oxidations catalyzed by iron coordination complexes containing a halogenated ligand
07/1992
07/29/1992EP0496699A1 Diphosphines containing silane groups, immobilized diphosphines and their use as hydrogenation catalysts
07/29/1992EP0496624A1 Tertiary butyl hydroperoxide concentration
07/29/1992EP0496496A1 Membrane dehydration process
07/29/1992EP0495941A1 Process to prevent water solubilization of alcohols, on their own or in a mixture with hydrocarbons, and additives for such purposes
07/29/1992CA2059254A1 Catalyst for oxidizing hydrocarbons
07/28/1992US5134211 Hydroxy containing fluorovinyl compounds and polymers thereof
07/28/1992US5134108 Hydrogenation catlaysts
07/28/1992CA1305728C Hydrogenation process
07/22/1992EP0494967A1 Chiral separation media
07/22/1992EP0494898A1 Process for producing acid-resistant catalysts for the direct hydration of carboxylic acids into alcohols.
07/21/1992US5132472 Iron containing silicometallates as catalysts
07/21/1992US5132471 Distillation
07/21/1992US5132020 Sorption of alcohols using zeolite beta
07/21/1992CA1305486C Quaternary ammonium salts used as phase transfer catalyst
07/21/1992CA1305445C Process for the continuous separation of water from mixtures with organic substances
07/19/1992CA2051497A1 Membrane process
07/15/1992EP0494350A2 Process and installation for the synthesis of methanol
07/15/1992CN1062719A Process for producing alcohol
07/15/1992CN1062718A Synthetic method of cyclohexanol, cyclohexanone, adipic acid
07/15/1992CN1017434B Synthesis and application of diphosphonate ester
07/14/1992US5130420 Process for the production of alkyl glycoside
07/14/1992US5130107 Minimizing cobalt catalyst loss in the production of alcohols by hydroformylation of olefins
07/14/1992US5130098 System to improve the efficiency of heterogeneous reactors for exothermic synthesis and more particularly for the reaction of ammonia
07/14/1992CA1305182C Process for the preparation of fatty acid nitriles and glycerol from glycerides
07/14/1992CA1305153C Optically active styrene derivatives, polymers obtained from these, complexes with iridium(i) and their use
07/14/1992CA1305096C Process for purifying methanol
07/08/1992CN1062523A Process for preparation of diethers
07/07/1992US5128488 Phosphorus-metal complex catalyst
07/07/1992US5128317 Camphonyl spirocyclooxaoctane-containing compositions, organoleptic uses thereof and process for preparing same
07/01/1992EP0492813A2 Process for oxidising alkanes to alcohols
07/01/1992EP0492401A1 Asymmetric hydrogenation
07/01/1992EP0491738A1 Copper silicate catalyst, process for making it and its use
07/01/1992EP0491714A1 Process
07/01/1992CN1062340A Technology for concentrating glycerin
06/1992
06/30/1992US5126494 Complex osmium catalyst
06/30/1992US5126491 Oxidation of aliphatic hydrocarbons to yield ketones or alcohols using catalyst containing oxides of silicon, titanium aluminum, iron or gallium
06/30/1992US5126304 Method for the preparation of a catalyst for water gas and hydroformylation, catalyst prepared by the method and use of the catalyst
06/30/1992US5126071 Optically active compound, process for producing same and liquid crystal composition containing same
06/30/1992US5126055 Continuous circulation of mixture containing isomers, solvents and desorption liquid over optical resolution packing
06/30/1992CA1304389C PROCESS AND INTERMEDIATES FOR PREPARING 1.alpha.-HYDROXYVITAMIN D COMPOUNDS
06/25/1992DE4041751A1 In-situ regeneration of solid bed hydrogenation catalyst - involving washing in 1-4C alcohol, regenerating in nitrous oxide-nitrogen@ mixt. and activating in hydrogen@-nitrogen@
06/24/1992EP0491326A2 Process for the functionalization of trifluoromethylbenzenes
06/24/1992EP0491128A2 Process for the production of alkaline earth alkoxides with spherical particle habit
06/24/1992CN2108095U Tube packing tower for purifying alcohol
06/24/1992CN1062135A Producing method of aluminium alcoholato
06/23/1992US5124492 Reducing with supported iron compound
06/23/1992US5124491 Using copper, chromium, manganese, silicon, barium oxides catalyst
06/23/1992US5124473 Polycyclic aromatic derivatives, process for preparing the same and pharmaceutical and cosmetic compositions containing the same
06/23/1992US5124294 Catalyst system and process for producing alcohols from olefines and synthesis gases
06/22/1992CA2058112A1 Asymmetrical hydrogenation
06/17/1992EP0490039A2 Process for the dehydratation of a mixture of propargylalcohol and water
06/17/1992EP0300018B1 Hydrogenation process
06/16/1992US5122245 Process for the synthesis of "oxo" products by the plasma route and installation comprising a plasma reactor usable in the process
06/11/1992WO1992009549A1 Polymeric materials
06/11/1992WO1992009545A2 New methods for the catalytic reduction of organic substrates
06/11/1992CA2096747A1 New methods for the catalytic reduction of organic substrates
06/10/1992EP0489140A1 Method for preparing 1,1-bis(chlorophenyl) 2,2,2-trichloroethanol.
06/10/1992CN1061729A Microwave assisted process for extraction and apparatus therefor
06/09/1992US5120886 Decomposition of organic hydroperoxides
06/09/1992US5120885 Process for producing alcohol
06/09/1992US5120882 Catalyst selectivity
06/09/1992US5120853 Reacting optically active amine-boron complex with oxime or ketone to produce opotically active amine or alcohol compounds
06/09/1992US5120700 Comprises copper, iron aluminum, optionally zinc and support
06/09/1992US5120403 Method for operating a catalytic distillation process