Patents
Sitemap › C07 - Organic chemistry › C07B - General methods of organic chemistry; Apparatus therefor › C07B 61 - Other general methods
Patents for C07B 61 - Other general methods (69,072)
10/1991
10/02/1991EP0449140A1 Process for preparing alkyl tert-alkyl ethers
10/02/1991EP0449111A1 Process for preparing 2-(3-aminopropyl)-cycloalkylamines
10/02/1991EP0449089A1 Process for preparing 3-aminomethyl-3,5,5-trimethyl-cyclohexylamine
10/02/1991EP0448998A1 Production of ethyl tertiary alkyl ethers
10/02/1991EP0448933A1 Process for the preparation of 2,2-dimethyl-4-(2',3'-epoxy)-propoxy-methyl-1,3-dioxolane
10/02/1991EP0448797A2 Process for producing alpha-hydroxyisobutyric acid
10/02/1991EP0448775A2 Colorless grained alpha-form crystals of tetrakis [3-(3,5-Di-T-butyl-4-hydroxyphenyl)propionyloxymethyl]methane and process for its manufacture
10/02/1991EP0448748A1 Method for preparing aromatic sulfones
10/02/1991EP0448584A1 Process and catalyst for dehydration or dehydrocyclization of hydrocarbons.
10/02/1991CN1054987A Co-oligomerization process
10/02/1991CN1014144B Prepn. for bisphenol a
10/01/1991US5053580 From mixtures of vaporized chromyl chloride, titanium tetrachloride, and vanadyl chloride by laser pyrolysis
10/01/1991US5053574 Hydrodealkylation of alkylaromatic compounds
10/01/1991US5053571 Ruthenium and nickel/support on zeolite beta selectivity
10/01/1991US5053567 Vapor phase, using copper catalyst
10/01/1991US5053566 Catalysis reaction with bromine or chlorine halogenating agent, in the presence of methylene chloride and metal cation containing Type-L zeolite
10/01/1991US5053565 Chlorinating toluene in presence of methylene chloride and/or chloroform with zeolite catalyst
10/01/1991US5053564 Selective hydrogenolysis of perhalogenated ethane derivatives
10/01/1991US5053562 Heat-pressurization reaction with hydrogen gas and carbon monoxide, in presence of rhodium, phosphine and iodine compound, in solvent
10/01/1991US5053552 Process for producing α,β-unsaturated aldehyde
10/01/1991US5053551 Process for the production of aldehydes by hydroformylation
10/01/1991US5053541 Process for the preparation of n-allyl-meta-trifluoromethyl aniline
10/01/1991US5053539 Reacting aniline and formalin in hydrochloric acid; continuous, multistage controlled process; by-product inhibition
10/01/1991US5053535 Process for producing α-hydroxyisobutyric acid
10/01/1991US5053533 Continuous processing of 1-chloro-2-methoxy-napthalene under Friedel-Craft conditions, without isolation/purification of chemical intermediate
10/01/1991US5053527 Controlled oxidationof alkyl lactate using hydrogen peroxide with bromine catalyst
10/01/1991US5053517 Process for preparing pyrazolecarboxylic acid compounds
10/01/1991US5053513 Method of reducing a carbonyl containing acridine
10/01/1991US5053380 Cu-al catalyst for hydrogenation
10/01/1991US5053377 Catalytic compositions, process for obtaining them and process for hydrogenation of 1,1,2-trichloro-1,2,2-trifluoroethane by means of these compositions
10/01/1991CA2039430A1 Process for isomerization of hydrochlorofluorocarbons
10/01/1991CA2038983A1 Process for preparing alkyl tert-alkyl ethers
10/01/1991CA1289974C Preparation of chlorobenzotrifluoride compounds
10/01/1991CA1289972C Process for producing acetyl-substituted aromatic compound
10/01/1991CA1289934C Catalytic composition for the isomerization of paraffinic hydrocarbons
10/01/1991CA1289730C Phase transfer catalysis
09/1991
09/30/1991CA2039318A1 Method of reducing a carbonyl containing acridine
09/30/1991CA2039253A1 Palladium catalyzed carboalkoxylation of butadiene
09/30/1991CA2039198A1 Polyalkoxyamines, their preparation, dispersant additives prepared therefrom and use of the additives in lubricating oils and fuels
09/30/1991CA2037020A1 Process of producing anthraquinones in one step
09/29/1991WO1991014665A1 Use of organic derivatives of rhenium oxides as catalysts for ethenolytic metathesis of olefinic compounds and process for ethenolytic metathesis of olefinic compounds using these catalysts
09/29/1991CA2036498A1 Method for producing 4-(2'-methoxyethyl) phenol
09/29/1991CA2036358A1 Production of 4-hydroxyphenethyl alcohol
09/27/1991CA2038973A1 Catalyst and process for synthesizing saturated carboxylic esters
09/26/1991DE4009505A1 Verfahren zur herstellung verzweigter fettsaeuren und deren ester A process for producing branched fatty acids and esters
09/25/1991EP0448542A2 Process for preparation of fluoromethyl-substituted dihydropyridine carbodithioates
09/25/1991EP0448541A2 Process for preparation of fluoromethyl-substituted pyridine carbodithioates
09/25/1991EP0448540A2 Process for preparation of fluoromethyl-substituted pyridine dicarboxylates
09/25/1991EP0448445A2 Liquid non-aqueous composition with an ionic character and its use as a solvent
09/25/1991EP0448413A1 Selective 6-acylation of sucrose mediated by cyclic adducts of dialkyltin oxides and diols
09/25/1991EP0448404A2 Process for preparing alkoxysilanes
09/25/1991EP0448366A1 Method for pretreating a reforming catalyst
09/25/1991EP0448157A1 A two-step monoethylene glycol preparation process
09/25/1991EP0448019A2 Method of preparing methanol
09/25/1991EP0448000A1 Process for preparing lower olefins
09/25/1991EP0447963A1 Process for the production of 1,4-butanediol
09/25/1991EP0447889A1 Process for preparing 1,1,3,4,4,6-hexamethyl-1,2,3,4-tetrahydronaphthalene
09/25/1991CN1054763A Process for preparing aromatic product with alkylating zeolite and dealkylating zeolite
09/25/1991CN1014055B Process for removal of organochlorine compounds from the offgas from the oxidation of ethylene
09/24/1991WO1991014500A1 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same
09/24/1991US5051535 Process for the preparation of extensively fluorinated aliphatic hydrocarbons having 1 or 2 bromine or chlorine atoms in the molecule
09/24/1991US5051507 Chlorination and cyclization of dialkylaminopropionitrile which is protonated and is chlorinated in the presence of a catalyst
09/24/1991US5051502 Rhodium catalyzed cyclization process for bicyclic β-lactams
09/24/1991US5051390 Forming a metal oxide from a metal solution as a catalyst for conversion of methane to higher hydrocarbons
09/24/1991US5051387 Zeolite L preparation
09/24/1991US5051384 Method for pretreating a reforming catalyst
09/24/1991US5051247 Catalytic haloakylation of silicon monooxide to form silane halides
09/24/1991CA2078881A1 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same
09/24/1991CA1289574C Process for the preparation of alkylaniline using an aluminosilicate catalyst
09/24/1991CA1289573C Synthesis of high purity 5-chloroisophthaloyl chloride
09/24/1991CA1289568C Process for production of amino compounds
09/24/1991CA1289561C Method of manufacturing cis-2,6-dimethylmorpholine
09/23/1991CA2038684A1 Method for pretreating a reformong catalyst
09/22/1991WO1991014694A1 Chiral catalysts and epoxidation reactions catalyzed thereby
09/19/1991WO1991013918A1 Method for producing polymerized alcohols
09/18/1991EP0447152A1 Decabromodiphenyl alkane process
09/18/1991EP0447141A2 Hafnium-catalyzed transesterification
09/18/1991EP0447092A1 Method of producing food grade quality white mineral oil
09/18/1991EP0447069A2 Process for preparing dimethylnaphthalene
09/18/1991EP0447059A2 Alkylation of silanes
09/18/1991EP0447005A2 Catalyst preparation process
09/18/1991EP0446912A1 Organosilsesquioxanes with at least one mesogenic side group
09/18/1991EP0446896A1 Process for preparing alkyl-substituted aromatic hydrocarbons
09/18/1991EP0446872A1 Process for the preparation of 2,3-dichloro-5-acetylpyridine
09/18/1991EP0446759A1 Process for the production of cyclopentenones
09/18/1991EP0446758A1 Process for the preparation of an alkylated aromatic compound using a zeolithe for alkylation and one for desalkylation
09/18/1991EP0446722A1 Novel hydroxylated phenoxy compounds and process for their preparation
09/18/1991EP0446719A1 Amino phenoxy compounds and process for their preparation
09/18/1991EP0446661A1 Process for producing alkylthio- and arylthio-substituted carboxylic acids and their thioesters
09/18/1991EP0446644A1 Process for preparing a catalyst, the catalyst and its use
09/18/1991EP0446554A1 Preparation of a N-substituted phenylenediamine
09/18/1991EP0446446A2 Process for preparing alpha, beta-unsaturated carboxylic acid ester
09/18/1991EP0446301A1 Preparation of biaryl compounds.
09/18/1991CN1054583A Process for preparation of condensed alcohols by alkoxide catalysis
09/17/1991US5049697 Esterification
09/17/1991US5049693 Process for the selective hydrogenation of olefins containing nitrile groups
09/17/1991US5049657 Process for hydrolysis of peptide or protein
09/17/1991US5049652 Calcium esterification catalyst
09/17/1991US5049585 Certain 3,3-bis-(difluoro methyl)2,2-dimethyl-cyclopropane carboxylates having insecticidal activity
09/17/1991US5049536 Catalytically active silica and alumina gel and process for preparing it
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