Patents for C07B 61 - Other general methods (69,072)
04/1994
04/22/1994CA2108874A1 4,4'-(phenylenediisopropyl)-bis(2,6-dialkylanilines)
04/20/1994EP0593301A1 Tertioryalkyl phenols and their use as antioxidants
04/20/1994EP0592552A1 Chiral phospholanes via chiral 1,4-diol cyclic sulfates.
04/20/1994CN1085555A Process for preparing indole derivatives containing a 1,2,4-triazol-1-yl substituent
04/20/1994CN1085540A Process for the production of acetic acid
04/19/1994US5304698 Using zeolite
04/19/1994US5304697 Process for upgrading a paraffinic feedstock
04/19/1994US5304689 Stabilization of color in production of paracumylphenol using hypophosphorous acid
04/19/1994US5304685 Using basic catalyst
04/19/1994US5304681 Tert-butylamine synthesis over montmorillonite clays
04/19/1994US5304680 Process for the preparation of aromatic amines which are substituted by C1 -C4 -alkoxy in the p-position
04/19/1994US5304678 Acetic acid from ethylene
04/19/1994US5304676 Process for the production of terephthalic acid
04/19/1994US5304674 Reacting aliphatic conjugated diene with carbon monoxide and alcohol in presence of catalyst; esterification
04/19/1994US5304665 Contacting epoxide, aliphatic polyalcohol and triglyceride to effect ring opening and partial esterification using 1A or 2A metal-type catalyst, contacting with fatty acid
04/19/1994US5304663 Tetraalkyl-substituted 1,4-benzoquinones as intermediates for tetra- or penta-alkyl substituted 6-hydroxy-chromenes
04/19/1994US5304662 Cures to polyepoxides
04/19/1994US5304641 Reacting with lanthanide series complex
04/19/1994US5304624 Dehydration-condensation of bis(3,5-dimethyl-4-hydroxyphenyl)-methane; them epoxidation epihalohyrin
04/19/1994US5304525 Palladium supported on graphite or coke; hydrogenation of nitrobenzene
04/19/1994CA1328664C Method for the production of aminocyanoacetamide
04/19/1994CA1328657C Removal of olefins from organohalosilanes
04/17/1994CA2108504A1 Tertiary alkyl alkylphenols and organic compositions containing same
04/14/1994WO1994008051A1 Complex combinatorial chemical libraries encoded with tags
04/14/1994WO1994008050A1 Nucleic acid ligands and methods for producing the same
04/14/1994WO1994007849A1 Process for the stereoselective synthesis of 3-substituted 2-thiomethyl propionic acids
04/14/1994WO1994007836A1 Process for isomerization of pentene-2-oic acid into pentene-3-oic and pentene-4-oic acids by acid, basic or amphoteric catalysis
04/14/1994WO1994007835A1 Process for isomerization of lactones into pentenoic acids by acid or basic catalysis
04/14/1994WO1994007834A1 A recycling process for the production of adipic acid and other aliphatic dibasic acids
04/14/1994WO1994007833A1 A process for the preparation of adipic acid and other aliphatic dibasic acids
04/14/1994WO1994007831A1 Manufacture of trimethylolpropane
04/14/1994WO1994007828A1 Processes for converting chlorinated byproducts and waste products to useful materials
04/14/1994WO1994007827A1 Processes for converting chlorinated alkane byproducts or waste products to useful, less chlorinated alkenes
04/14/1994WO1994007826A1 Processes for converting chlorinated alkenes to corresponding useful, less chlorinated alkenes
04/14/1994WO1994007825A1 Processes for converting chlorinated alkene byproducts or waste products to useful, less chlorinated alkanes
04/14/1994WO1994007824A1 Process for converting perchloroethylene to trichloroethylene
04/14/1994WO1994007823A1 Process for converting 1,1,2-trichloroethane to vinyl chloride and/or ethylene
04/14/1994WO1994007822A1 Processes for converting chlorinated alkane byproducts or waste products to useful, less chlorinated alkanes
04/14/1994WO1994007821A1 Processes for converting 1,2,3-trichloropropane to allyl chloride and propylene
04/14/1994WO1994007820A1 Process for converting 1,1,1,2-tetrachloroethane to vinylidene chloride
04/14/1994WO1994007819A1 Process for converting 1,2-dichloropropane to propylene
04/14/1994WO1994007818A1 Process for converting 2-chloropropane to propylene
04/14/1994WO1994007817A1 Process for converting 2-chloropropene to propylene
04/14/1994WO1994007816A1 Process for converting 1,3-dichloropropene to propylene
04/14/1994DE4333328A1 Controlled decomposition of per-oxide(s) - is carried out by passing a soln. contg. peroxide over a metal oxide catalyst
04/14/1994CA2146154A1 Process for isomerizing pentene-2-carboxylic acid into pentene-3-carboxylic and pentene-4-carboxylic acids with an acid, basic or amphoteric catalyst
04/14/1994CA2146153A1 Process for isomerizing lactones into pentenoic acids with an acid or a basic catalyst
04/14/1994CA2146144A1 Process for the stereoselective synthesis of 3-substituted 2-thiomethylpropionic acids
04/14/1994CA2145307A1 A process for the preparation of adipic acid and other aliphatic dibasic acids
04/14/1994CA2145305A1 A recycling process for the production of adipic acid and other aliphatic dibasic acids
04/14/1994CA2124189A1 Manufacture of trimethylolpropane
04/13/1994EP0592143A1 Method for preparing disubstituted monochlorotriazines
04/13/1994EP0591799A1 Oxidation of hydroxybenzaldehydes to dihydroxybenzene compounds
04/13/1994EP0591572A1 Catalyst granules, in particular for the oxidative dehydrogenation of methanol in order to yield formaldehyde
04/13/1994EP0591504A1 Process for the production of olefins
04/13/1994EP0591236A1 Process for the preparation of 5-(3-butyryl-2,4,6-trimethyl)-2-(1-(ethoxyimino)propyl)-3-hydroxycyclohex-2-en-1-one.
04/13/1994EP0425666B1 Process for producing methacrylic acid and methacrolein
04/13/1994CN1085213A Process for the preparation of 2-chloro-5-aminomethyl-pyridine
04/13/1994CN1085204A Olefin hydration process
04/13/1994CN1085124A Catalyst granules, in particular for the oxidative dehydrogenation of methanol in order to yield formaldehyde
04/13/1994CN1024190C Method for producing unsaturated carboxylic acid esters
04/13/1994CN1024189C Treatment of acetic acid with hydrogen in presence of hydrogenation catalyst
04/13/1994CN1024188C Process for preparing 2,3,5-trimethyl benzoquinone
04/13/1994CN1024185C Process for preparing methanol
04/12/1994US5302774 Process for the production of bisphenols
04/12/1994US5302773 High strength; wear resistance; high selectivity; use in fluidized beds and transport reactors; oxidative dehydrogenation
04/12/1994US5302768 Process for decarbromodiphenylalkane predominant product
04/12/1994US5302762 Method for hydrating a cycloolefin
04/12/1994US5302756 Yielding hexamethylene diamine, adiponitrile and 5-cyanovaleramide
04/12/1994US5302748 Using an excess of sulfuric acid as a catalyst and as a desiccant to remove the water of condensation
04/12/1994US5302742 Catalytic hydrogenation of a nitrobenzene or -naphthalene in aqueous sulfuric acid; reacting the non-isolated amine-p-hydroxy compound with an acyl chloride
04/12/1994US5302736 Process for the removal of hydrogen-containing silanes from silanes
04/12/1994US5302569 Copper/zinc oxide/aluminum oxide-containing catalysts
04/12/1994US5302568 Hydrogenation catalyst and production process thereof
04/12/1994CA1328471C Catalyzed hydrofluorination of halogenated alkanes
04/12/1994CA1328470C Process for producing phenols
04/12/1994CA1328464C Process for the preparation of phenolic thiocarboxylic acid esters
04/12/1994CA1328456C Process for the preparation of liquid mixtures of alkylated 2-(2-hydroxyphenyl)benzotriazoles
04/07/1994DE4233099A1 Verfahren zur stereoselektiven Synthese von 3-substituierten 2-Thiomethylpropionsäuren Method for the stereoselective synthesis of 3-substituted 2-Thiomethylpropionsäuren
04/06/1994EP0590894A1 Hydroconversion process
04/06/1994EP0590714A1 Process for preparing an effective catalyst for n-paraffins hydroisomerization
04/06/1994EP0590631A1 Alkylation catalyst regeneration
04/06/1994EP0590613A2 Improved hydroformylation process
04/06/1994EP0590611A1 Process for stabilizing phosphate ligands
04/06/1994EP0590419A1 Process for preparing unsaturated amines
04/06/1994EP0590360A2 Process for the preparation of aryl-substituted propionic acid esters
04/06/1994EP0590259A2 Process for the preparation of halogenated aromatic compounds
04/06/1994EP0590087A1 A process for controlling the regeneration of boron trifluoride catalyst complex in the production of carboxylic acids.
04/06/1994EP0590078A1 Synthetic crystalline zeolite, its synthesis and use.
04/06/1994EP0589973A1 Medicaments
04/06/1994EP0589876A1 Alkylation of aromatic compounds.
04/06/1994CN1024132C prodn. of alcohols
04/05/1994US5300720 Containing potassium and cesium oxide
04/05/1994US5300719 Dehydrocyclization of unsaturated hydrocarbons to aromatic products
04/05/1994US5300717 Reacting o-xylene with propene; Friedel-Crafts catalyst; dehydrogenation. chlorination, condensation; intermediate for bisanhydride precursor for polyimides
04/05/1994US5300713 In presence of silicon carbide and-or metal or alloy
04/05/1994US5300712 Homogeneous catalytic hydrodechlorination of chlorocarbons
04/05/1994US5300711 Process for the manufacture of 2,2-dichloro-1,1,1-trifluoroethane, 2-chloro-1,1,1,2-tetrafluoroethane and pentafluoroethane
04/05/1994US5300710 Process for the manufacture of 2-chloro-1,1,1,2-tetrafluoroethane and pentafluoroethane
04/05/1994US5300708 Process for the catalytic hydrogenation of organic compounds in the gas phase