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)
10/1994
10/27/1994WO1994024078A1 Continuous production process of tertiary alcohols by radical addition of secondary alcohols to alkenes
10/27/1994CA2160015A1 Chiral synthesis of tertiary alcohols with a hydrolase
10/26/1994EP0485482B1 Vapour phase hydrogenation process
10/26/1994CN1094023A Allyl chloride with reduced hexadiene content
10/26/1994CN1026317C Method for synthesizing borneol by esterification and saponification with solid acid catalyzing a-pinene
10/25/1994US5359130 Catalytic decomposition in solution
10/25/1994US5358608 Using extractive agents such as isobutyl acetate, isobornyl methyl acetate and ethyl butyrate
10/19/1994EP0619802A1 A mixture of higher primary aliphatic alcohols, its obtention from sugar cane wax and its pharmaceutical uses
10/19/1994EP0368934B1 Gas and alcohol recovery process
10/12/1994EP0504285B1 Fluorocarbon compounds and processes for preparation thereof
10/12/1994CN1093353A Process for producing dimethyl ether
10/12/1994CN1093352A Prepn. method for 2-phenyl-2-propanol
10/11/1994US5354925 Catalyzing in liquid solvent phase with agitation in presence of catalysts supported by alumina
10/11/1994US5354917 Use of supported rhodium catalysts in the preparation of tertiary butyl alcohol from tertiary butyl hydroperoxide
10/11/1994US5354916 Selectively forming alkyl monohalides and hydrolysis products with transition metal halide complex catalyst
10/11/1994US5354915 Converting an a,b-unsaturated aldehye or ketone to the corresponding alcohol using zirconium oxide on a silca support and an alcohol as a hydrogen donor
10/11/1994US5354914 Method for producing lower polyhydric alcohols by hydrogenolysis of higher polyhydric alcohols
10/11/1994US5354872 Process for preparation of calcitriol lactone and related intermediates
10/11/1994US5354857 Metal phthalocyanine catalysts
10/10/1994WO1994024083A1 Process for producing adipic acid
10/06/1994DE4410746A1 Process for the preparation of alkadienols
10/05/1994EP0618006A1 Hydrogenation catalyst, process for its preparation and its use
10/05/1994CN1026102C Preparation method for propylene glycol using pipe reactor
10/04/1994US5352845 Vitamin e
09/1994
09/29/1994WO1994021376A1 Synthesis of higher alcohols
09/28/1994EP0617015A2 Process for preparing vitamin D3 derivatives
09/28/1994EP0616992A1 Process for the preparation of 1,3-butylene glycol
09/28/1994EP0454704B1 Process for the production of fatty alcohols
09/28/1994CN1092759A Process for preparing felbamate and intermediates thereto
09/28/1994CN1092758A Process for preparing tertiary alkynols
09/28/1994CN1092757A Method for hydrating a cycloolefin
09/28/1994CN1092698A Hydrogenated catalyst, preparation and application of same
09/27/1994US5350879 Transesterification using metal oxide solid solutions as the basic catalyst
09/27/1994CA2042394C Catalyst compositions and the use thereof in the hydrogenation of carboxylic acid esters
09/21/1994EP0614453A4 Manufacture of trimethylolpropane.
09/20/1994US5349099 Dehydration, halogenation
09/20/1994US5349097 Catalytic isomerization of α-alkenols
09/20/1994US5349096 Catalysis using phosphoric acid on porous, pure, high crush strength, siliceous support
09/20/1994US5349095 Process for preparing hydroxyalkylbenzocyclobutenes
09/20/1994US5349071 Process for preparing tertiary alkynols
09/20/1994US5348625 Separation of ethanol from isopropanol by extractive distillation
09/20/1994US5348624 Process for separating ethyl tert-butyl ether and ethanol
09/15/1994WO1994020510A1 Homogeneous bimetallic hydroformylation catalysts and processes utilizing these catalysts for conducting hydroformylation reactions
09/14/1994EP0614867A2 Volatile metal alcoholates of bifunctional beta-ether alcohols, process for their preparation and their use
09/14/1994EP0614866A1 Method for hydrating a cycloolefin
09/14/1994EP0614453A1 Manufacture of trimethylolpropane
09/13/1994US5347057 Method for oxidation of methane and other hydro-carbons
09/13/1994US5347056 Process for producing unsaturated alcohols
09/13/1994US5347048 Process for producing (±)-2,5,5,8a-tetramethyl-1-(carboxymethyl)-2-hydroxydecalin
09/13/1994US5346593 Refining column
09/07/1994CN1091733A Anti-androgenic cyclo and bicyclo alkenes
09/06/1994US5345011 New manganese catalyst for light alkane oxidation
09/06/1994US5345010 Chromia on metal oxide for the oxidation of alkane to alcohol
09/06/1994US5345009 Conjoint production of ditertiary butyl peroxide and tertiary butyl alcohol from tertiary butyl hydroperoxide
09/06/1994US5345008 Decomposition of organic hydroperoxides with nitrated porphyrin complexes
09/06/1994US5345007 Hydrodimerization of butadiene, amine, phosphine
09/06/1994US5345006 Maintaining liquid level; hydrating isobutene with water to make tert-butyl alcohol
09/06/1994US5345005 Hydrogenation catalyst, process for preparing and process of using said catalyst
09/06/1994US5345004 Process for the preparation of 1,3-butylene glycol
09/06/1994US5345003 Method for preparing 2,3-dichloro-1-propanol and 3-chloro-1-propanol
09/06/1994US5344993 Catalytic hydroformylation of epoxides with di-tert-phosphines
09/06/1994US5344946 Process for the preparation of vicinal diols and/or epoxides
09/06/1994US5344945 From allyl chloride, solvent extraction
09/06/1994US5344848 Process and apparatus for the production of methanol from condensed carbonaceous material
08/1994
08/31/1994EP0612840A2 Cyclic compounds and their use as perfuming ingredients
08/31/1994EP0612710A1 Method of controlling the amount of used catalyst to be recycled to a hydrogenation reactor, used to produce fatty alcohols from fatty acids, or their derivatives
08/31/1994CN1091414A Extraction rectification technology of ethanol concentration and recovery
08/30/1994US5342702 Synergistic process for the production of carbon dioxide using a cogeneration reactor
08/30/1994US5342488 Separation of 1,4-butanediol from hydrogenation mixtures
08/24/1994EP0611755A1 (Cyclohexyl)-alken compounds, process for their preparation and pharmaceutical compositions containing them
08/24/1994CN1091117A Process for the preparation of octadienols
08/23/1994US5340549 Mixing distinct phases, liquids and gases, to optimize rate of reaction
08/18/1994WO1994018149A1 Process for making 1,3-diols and 3-hydroxyaldehydes
08/18/1994WO1994018147A1 Method for preparing octadienols
08/18/1994WO1994018146A1 Process for the manufacture of 2,2,4,4-tetramethylcyclobutanediol
08/18/1994DE4404291A1 Process for the separation of a mixture of polyglycerols chromatographically
08/18/1994CA2154351A1 Process for the manufacture of 2,2,4,4-tetramethylcyclobutanediol
08/18/1994CA2148720A1 Process for preparing octanediols
08/17/1994EP0610600A1 Synthesis of diols, for use as intermediates for polymeric materials, by starting from terminal diolefins
08/17/1994EP0434783B1 Method for producing stabilized solutions of formaldehyde with methanol
08/17/1994CN1090790A Method of cooling a synthesis gas in a catalytic reactor
08/17/1994CA2115718A1 Novel cyclohexyl alkene compounds, processes for their preparation and pharmaceutical compositions containing them
08/16/1994US5338411 Distilling mixtures in presence of azeotrope-forming agent, then recovering ethanol and azeotroping agent as overheads and isopropanol as bottoms product
08/16/1994US5338410 Separation of 2-butanol from t-amyl alcohol by azeotropic distillation
08/11/1994DE4303471A1 Reactor for exothermic catalytic gas reactions
08/10/1994EP0609931A1 Process for recovering ethylene glycol from polyethylene terephthalate production
08/10/1994EP0609813A1 Integrated production of fuel gas and oxygenated organic compounds from synthesis gas
08/10/1994CN1090568A Process for preparation of 1,2-and 1,3-pronpandiol
08/09/1994US5336827 Efficient oligomerization of mono-unsaturated bicyclo(2.2.1) heptane which has low concentration of dienes
08/09/1994US5336815 Preparation of vinyl glycols
08/09/1994US5336473 Entrainment of cobalt hydroformylation catalyst in stripping gas which is then conveyed to external refluxer before recycling
08/04/1994WO1994017081A1 Potassium para-diphenyl phosphino benzene sulfonate ligand
08/04/1994WO1994017079A1 OPTICALLY ACTIVE β-AMINOALKOXYBORANE COMPLEX
08/04/1994WO1994017022A1 A process for recovering dimethyl terephthalate and ethylene glycol
08/04/1994WO1994017020A1 Process for producing 1,1,1,4,4,4-hexafluoro-2-butenes and 1,1,1,4,4,4-hexafluorobutane
08/04/1994WO1994016815A1 Catalysts with highly dispersed active components
08/04/1994DE4302464A1 Prepn. of propylene glycol from re-generable fossil fuel sources
08/04/1994CA2153695A1 Optically active .beta.-aminoalkoxyborane complex
08/03/1994EP0608307A1 New ligands for asymmetric dihydroxylation: multiple cinchona alkaloid units attached to a central heterocyclic core
08/02/1994US5334780 Oxidation of alkanes in presence of oxidizer with oxidation catalyst