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)
11/1991
11/06/1991EP0437517A4 Process for selective diisopropylation of naphthyl compounds using shape selective acidic crystalline molecular sieve catalysts
11/06/1991CN1055914A Process for producing unsaturated aldehydes and unsaturayed acids
11/06/1991CN1014605B Process for preparing nitrile fatty acid and glycerin with glyceride
11/05/1991US5063250 From synthesis gas
11/05/1991US5063195 Pore size, selectivity
11/05/1991US5063037 Zeolites, catalysts !
11/05/1991CA2041840A1 Catalysts for producing 1,3-diols and/or 3-hydroxyaldehydes, and processes for making and using same
11/05/1991CA2041798A1 Catalysts and processes useful in producing 1,3-diols and/or 3-hydroxyaldehydes
11/05/1991CA2041724A1 Process for the conversion of methanol into liquid hydrocarbons
11/05/1991CA1291762C Process for preparing aromatic aldehydes
11/05/1991CA1291747C Process for the preparation of 20-keto-delta _-steroids and new intermediate compounds formed in this process
11/02/1991WO1991017140A1 Hydrocyanation of conjugated 2-alkenoates
11/02/1991CA2081317A1 Hydrocyanation of conjugated 2-alkenoates
10/1991
10/31/1991WO1991016322A2 Heterocyclic chiral ligands and method for catalytic asymmetric dihydroxylation of olefins
10/31/1991WO1991016286A1 PROCESS FOR PRODUCING α-FLUOROSTYROLS
10/31/1991WO1991016285A1 Turbulent flow process and monoalkyl aromatic production
10/31/1991DE4013305A1 Verfahren zur herstellung von (alpha)-fluorstyrol Process for the preparation of (alpha) -fluorstyrol
10/30/1991EP0454624A1 Process for the production of 1,3-diketones
10/30/1991EP0454623A1 Process for the production of linear 1,3-diketones
10/30/1991EP0454588A1 Method for the preparation of Citral
10/30/1991EP0454557A1 Methane oxyhydro-chlorination process
10/30/1991EP0454427A1 Antiretroviral bases
10/30/1991EP0454397A1 Process for preparing epsilon-caprolactone
10/30/1991EP0454376A1 Process for preparing catalysts for producing methacrylic acid
10/30/1991EP0454337A1 Catalyst pretreatment for olefin hydration
10/30/1991EP0454305A1 Method for manufacture of triethylenediamine
10/30/1991EP0454022A1 Catalyst and process for dehydrogenation and dehydrocyclization
10/30/1991EP0454002A2 Dehydration process
10/30/1991EP0453993A1 Process for producing a halomethyl pivalate
10/30/1991EP0453967A1 Process for the preparation of alkoxylates with a narrow distribution of homologues
10/30/1991EP0453951A1 Process for the preparation of phthalic anhydride from O-xylene
10/30/1991EP0453949A1 Process for the production of alkyltetrahydroanthrahydroquinone solutions and their use as working solution in the production of hydrogen peroxide by the anthraquinone process
10/30/1991EP0453944A1 Catalytic system and 1,2-dichloroethane preparation process by chlorination of ethylen with addition of this catalytic system
10/30/1991EP0453818A1 Process for the reductive dehalogenation of halogenated hydrocarbons and halogenated ethers
10/30/1991EP0453690A1 Method and catalyst for the dehalogenation of alpha-halogenated carboxylic acids
10/30/1991EP0453502A1 Process for the chlorination of ethane.
10/30/1991EP0452348A4 Process for the chlorination of methane
10/30/1991EP0260300B1 Process for the preparation of styrenated hydroquinone
10/30/1991CN1055745A Methylene-crosslinked polyarylamine and process for preparing same
10/30/1991CN1055730A 制备甲醇的方法 The method of preparing methanol
10/30/1991CN1014514B Method and apparatus for converting methane to higher hydrocarbon products
10/30/1991CN1014506B Method of direct process performance improvement via control of silicon manufacture
10/29/1991US5061820 Catalytic oxidation of n-phosphonomethyliminodiacetic acid
10/29/1991US5061816 With help of clathrate compound
10/29/1991US5061671 Supported noble metal and rhenium
10/29/1991US5061670 Process for the preparation of a catalyst capable of promoting the oxidative conversion of methane into higher hydrocarbons and use of catalyst
10/29/1991CA1291487C Benzofurans and a novel method of preparation
10/29/1991CA1291485C Process for the preparation of aromatic aldehydes
10/28/1991CA2058430A1 Turbulent flow process and monoalkyl aromatic production
10/28/1991CA2041232A1 Process for preparing citral
10/28/1991CA2041034A1 Catalysts for oxyhydrochlorination of methane
10/27/1991WO1991017141A2 Diastereoselective process for preparing n-substituted amino acids and derivatives
10/27/1991CA2081316A1 Diastereoselective process for preparing n-substituted amino acids and derivatives
10/27/1991CA2041134A1 Process for the preparation of linear 1,3-diketones
10/27/1991CA2040695A1 Catalyst pretreatment for olefin hydration
10/27/1991CA2033881A1 Method for the manufacture of triethylenediamine
10/26/1991CA2041159A1 Process for producing alkyltetrahydroanthrahydroquinones and working solutions containing them for producing hydrogen peroxide by the anthraquinone process
10/26/1991CA2040270A1 Process for preparing ¹-caprolactone
10/25/1991CA2040981A1 Preparation of phthalic anhydride from o-xylene
10/24/1991DE4012781A1 Carboxylic acid chloride prodn.
10/23/1991EP0453367A1 Niobium trisulfide catalyst for hydrotreatment of hydrocarbon containing feed streams and hydrotreatment process using the same
10/23/1991EP0453365A1 Process for the preparation of 1-(2,3,4-trimethoxybenzyl) piperazine by reductive amination
10/23/1991EP0453332A1 Attrition-resistant catalytic system and its use in the oxydehydrogenation of saturated carboxylic acids, particularly in fluid bed reactors
10/23/1991EP0453288A1 Enantiospecific synthesis of S(+)-5,6-dihydro-4-(R-amino)-4H thieno (2,3-B)thiopyran-2-sulfonamide-7,7-dioxide
10/23/1991EP0453272A1 Regenerating a plasma initiator
10/23/1991EP0453021A1 Process for preparing a cycloalkanone and/or cycloalkanol
10/23/1991EP0452909A2 Method of purifying non-converted 1,2-dichloroethane from a 1,2-dichloroethane pyrolysis process
10/23/1991EP0452843A2 Process for preparing prostaglandin analogs using organozirconium compounds
10/23/1991EP0452806A1 Process for the preparation of carboxylic acid chlorides
10/23/1991EP0452729A1 Process for preparing substituted cyclobutanes
10/23/1991EP0452693A1 Method of preparing 2,2-disubstituted pentane 1,5-diamines
10/23/1991EP0452504A1 N-(3',4'-dimethoxycinnamoyl)anthranilic acid
10/23/1991EP0452412A1 Process for the production of alpha-6-deoxytetracyclines
10/23/1991EP0452363A1 Aluminum fluoride catalyst and use thereof in a chlorofluorination process for preparing 1,1-dichloro-1,2,2,2-tetrafluoroethane.
10/23/1991EP0452348A1 Process for the chlorination of methane.
10/23/1991EP0314717B1 Process for preparing alkyl tetrabromophthalates
10/23/1991CN1014404B Gas-phase fluorination process
10/23/1991CN1014403B Process for production of 2,3 dimethylbutene-1 from propene
10/23/1991CN1014398B Process for preparation of hydrocarbons
10/22/1991US5059739 Hydrogen chloride-free catalyst system for dimerizing and codimerizing olefins
10/22/1991US5059729 Process for preparing 1,2-difluoroethane and 1,1,2-trifluoroethane
10/22/1991US5059727 Heating and contacting with an alcohol in a gaseous phase in the presenece of iron oxide, silica, chromium oxide, germanium oxide and an inorganic alkali metal compound catalyst
10/22/1991US5059725 One step synthesis of methyl t-butyl ether from t-butanol plus methanol using Group IV oxides treated with sulfates or sulfuric acid
10/22/1991US5059723 Efficiency; purity
10/22/1991US5059721 Condensation of phenolic compound with carbonyl compound in presence of acidic ion exchange resin catalyst scavenzing acid with carbon absorbent
10/22/1991US5059718 Oxo process for increasing yield of oxo alcohol
10/22/1991US5059716 Catalytic gas phase hydrogenation of acids, esters, anhydride or carbonyl halides
10/22/1991US5059715 Preparation of bis(4-hydroxyphenyl)sulfone
10/22/1991US5059713 Process for the preparation of n-vinyl amides
10/22/1991US5059710 Ionic phosphites and their use in homogeneous transition metal catalyzed processes
10/22/1991US5059693 Reductive dehalogenation
10/22/1991US5059573 Process for producing molybdenum-containing metal oxide fluid-bed catalyst
10/22/1991US5059571 Divalent nickel compound, hydrocarbylaluminum halide, epoxy compound
10/22/1991CA2040834A1 Process for the preparation of alkoxylates having a narrow homolog distribution
10/22/1991CA1291172C Process for the catalytic trans-halogenation of a polyiodo-benzene, and, in particular, of a di-iodo-benzene
10/22/1991CA1291158C Process for the preparation of an ester of a 3-aryl-substituted acrylic acid
10/22/1991CA1291155C Process for the preparation of carbamates
10/22/1991CA1291154C 2,2-dihalovinyl haloformates, process of preparation and applications thereof
10/22/1991CA1291150C Process for the preparation of alkoxycarbonyl isocyanates
10/22/1991CA1291148C Alkoxylation process using calcium based catalysts
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