Patents for C07B 61 - Other general methods (69,072)
05/1994
05/17/1994CA1329583C Process for the manufacture of synthetic saponites
05/17/1994CA1329581C Process for the dispersion of group viii metals in large pore zeolite catalysts
05/17/1994CA1329470C Process for starting-up an ethylene oxide reactor
05/11/1994WO1994010152A1 Bifunctional intermediates for use in the manufacture of liquid crystals
05/11/1994WO1994010124A1 Isomerization of dimethylcyclohexanedicarboxylate
05/11/1994WO1994010122A1 Process for the preparation of carboxylic acids and esters thereof by oxidative cleavage of unsaturated fatty acids and esters thereof
05/11/1994WO1994010121A1 Depolymerization of substantially amorphous polyesters
05/11/1994WO1994010112A1 Process for the production of fatty alcohols
05/11/1994WO1994010111A1 Process for the preparation of an alkyl benzene
05/11/1994WO1994010110A1 Process for the dimerization of a conjugated diene
05/11/1994WO1994010108A1 Oligomerization of olefins
05/11/1994WO1994009897A1 Method of preparing alkanols and glycols
05/11/1994WO1994009878A1 High purity benzene production using extractive distillation
05/11/1994EP0596859A2 Carbonylation catalyst
05/11/1994EP0596632A1 Process for preparing carboxylic acids
05/11/1994EP0596395A1 Fluorinated benzils and process for their preparation
05/11/1994EP0595868A1 Process for the preparation of intermediates in the synthesis of chiral thiazolidine-2,4-dione derivatives
05/11/1994EP0595810A1 Synthesis of 2-phenyl substituted-1,3-propanediols
05/11/1994CA2147742A1 Process for the preparation of carboxylic acids and esters thereof by oxidative cleavage of unsaturated fatty acids and esters thereof
05/11/1994CA2146759A1 High purity benzene production using extractive distillation
05/11/1994CA2146355A1 Isomerization of dimethylcyclohexanedicarboxylate
05/11/1994CA2145747A1 Depolymerization of substantially amorphous polyesters
05/11/1994CA2141568A1 Oligomerization of olefins
05/11/1994CA2102651A1 Aldol condensation dehydration and catalyst therefor
05/10/1994US5310956 Optically active epoxides and a process for the production thereof
05/10/1994US5310953 Substituted pentaalkylchromans
05/10/1994US5310952 Method for the preparation of 6-hydroxy-2,5,7,8-tetraalkyl-2-(4-aminophenoxymethyl) chromans
05/10/1994US5310948 Cobalt catalyst and hydroxypyridone
05/10/1994US5310946 Cyclic peroxyacetal lactone, lactol and ether compounds
05/10/1994US5310945 Selective catalytic dehydrogenation of dialkylene glycols using copper and zinc and an alkali and/or alkaline earth metal promoter
05/10/1994US5310896 Process for preparing Δ1,4 -pregnadiene-3,20-diones
05/10/1994US5310868 Processes using solid-acid catalyst compositions
05/10/1994US5310769 Reaction of aniline and formaldehyde, phosgenation, polyurethane from that diisocyanate which has a lighter color
05/10/1994US5310746 Alpha-methylene-6-styryl-acrylic acid derivatives
05/10/1994CA1329396C Method for producing ibuprofen
05/10/1994CA1329394C Production of trisubstituted hydroxyalkyl alkanoates from aldehydes
05/10/1994CA1329388C Zeolite catalysts suitable for hydrocarbon conversion
05/06/1994CA2109473A1 Process for preparing carboxylic acids
05/05/1994CA2102357A1 Fluorinated benzils and a process for their preparation
05/04/1994EP0595755A1 Method of recovering acid catalyst from acid catalyzed processes
05/04/1994EP0595567A1 Synthesis of alkyl-t-alkyl ether using beta-zeolite catalysts
05/04/1994EP0595124A1 Process for the preparation of chlorosubstituted aromatic amines and of catalysts
05/04/1994EP0594993A1 Method for the preparation of 2,3-pyridine-dicarboxylic acids and derivatives thereof
05/04/1994EP0594859A1 Production of 1,1,1-trifluoro-2-chloroethane and/or 1,1,1,2-tetrafluoroethane
05/04/1994EP0594858A1 Process for producing 1,1-dichloro-2,2,2-trifluoroethane
05/04/1994EP0594708A1 Hydrated alkylation catalyst and processes for its use
05/04/1994EP0594573A1 Preparation of propenoic acid derivatives
05/04/1994EP0449919B1 Improved process for producing esters of (meth)acrylic acid and polyhydric alcohols (iv)
05/04/1994EP0354970B1 Process for producing carbonic acid ester
05/04/1994CN1086206A Preparation of monomer terephthalaciddiester-and-diol from polyester
05/04/1994CN1086202A Production of hydrofluorocarbons
05/04/1994CN1024414C Method and apparatus for increasing yield and product quality while reducing power costs in oxidation of aromatic alkyl to aromatic acid
05/03/1994US5308820 Of an amino acid amide derivative and a titanium alkoxide
05/03/1994US5308819 Diphosphines containing silane groups, immobilised diphosphines and the use thereof as hydrogenation catalysts
05/03/1994US5308597 Production of heavy metal carbides of high specific surface area
05/03/1994CA1329219C Process for the manufacture of dialkyl disulfides and polysulfides
05/03/1994CA1329217C Amine oxide process
05/03/1994CA1329216C Amine oxide process
05/03/1994CA1329190C Catalyst and process for production of hydrocarbon
04/1994
04/29/1994CA2086878A1 One-step synthesis of methyl t-butyl ether from t-butanol using zeolite beta and multimetal-modified zeolite beta catalysts
04/28/1994WO1994008939A1 Method for hydroxycarbonylating pentenoic acids
04/28/1994WO1994008922A1 Process for the conversion of an olefin or a mixture of olefins
04/28/1994WO1994008920A1 Olefin skeletal isomerization process using zsm-35
04/28/1994WO1994008899A1 Zeolite ssz-35
04/28/1994WO1994008714A1 Vinyl acetate catalyst preparation method
04/28/1994WO1994008711A1 Apparatus and method for multiple simultaneous synthesis
04/28/1994WO1994008561A1 Crystalline condition dislocating method
04/28/1994DE4236104A1 Bifunktionelle Vorprodukte zur Herstellung von Flüssigkristallen Bifunctional precursors for the preparation of liquid crystals
04/28/1994CA2147604A1 Process for the cyclodimerization of 1,3-butadienes to 4-vinylcyclohexenes
04/28/1994CA2147279A1 Crystalline condition dislocating method
04/28/1994CA2147150A1 Process for the conversion of an olefin or a mixture of olefins
04/28/1994CA2146975A1 Process for hydroxycarbonylating pentenoic acids
04/28/1994CA2141585A1 Olefin skeletal isomerization process using zsm-35
04/28/1994CA2107940A1 Process for the preparation of l-5-(2-acetoxy-propionylamino)-2,4,6-triiodo-isophthalic acid dichloride
04/27/1994EP0594297A1 Process for preparing fatty acid esters and amides of sulfonic acid salts
04/27/1994EP0594285A2 Amino acid functionalized silicones
04/27/1994EP0594283A1 Synthesis of alkyl tert-alkyl ether using fluorophosphoric acid-modified clay catalysts
04/27/1994EP0594225A1 Process for preparing polyalkyl tetrahydronaphtalenes
04/27/1994EP0594156A1 Process for the preparation of 4,4'-(phenylenediisopropyl)-bis-(2,6-dialkylanilines)
04/27/1994EP0594101A1 A process for the preparation of diltiazem
04/27/1994EP0593828A1 Process for preparing alkyl-substituted aromatic compounds
04/27/1994EP0593582A1 Epoxidation using hydrogen peroxide and tungsten catalysts
04/27/1994EP0593477A1 Isoparaffin/olefin alkylation
04/27/1994EP0593458A1 Process of vapor phase catalytic hydrogenation of maleic anhydride to gamma-butyrolactone in high conversion and high selectivity using an activated catalyst.
04/27/1994EP0593456A1 Manufacture of aromatic amines.
04/27/1994EP0593425A1 Oxidic heterogeneous catalysts of osmium, method for manufacturing them and their use in converting olefinic compounds into glycols.
04/27/1994CN1085888A Method for purification of 1,1,1,2-tetrafluoroethane
04/27/1994CN1085887A Production of hydrofluorocarbons
04/26/1994US5307024 Linearized level-shifting amplifier
04/26/1994US5306856 Method of manufacturing methylidene-group-containing α,ω-unsaturated oligomers from α,ω-diolefins in the presence of organoaluminum compounds as catalysts
04/26/1994US5306855 Oxidative conversion to oxy-esters; conversion to alcohol intermediate; catalysis
04/26/1994US5306849 Process for the preparation of halogenated aromatics
04/26/1994US5306847 Manufacture of 1,2-propylene glycol
04/26/1994US5306845 Method for producing an aldehyde
04/26/1994US5306839 Phosphite compounds
04/26/1994US5306834 Process for preparing optically active 4-methyl-2-oxetanone
04/26/1994US5306828 Catalytic imidation of malic anhydride with amine in solvent mixture
04/26/1994CA1328886C Process for the preparation of carboxylic acid methyl esters
04/26/1994CA1328880C Partly fluorinated carboxylic acids and derivatives thereof, processes for their preparation and their use
04/24/1994CA2108950A1 A process for the preparation of diltiazem