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WO/1984/003703A1 |
New process for preparing the pheromone active compound lineatin (3,3,7-trimethyl-2,9-dioxatricyclo AD3,3,1,04,7 BD-nonane), by reacting a 2,2-dimethyl-3,4-pentadienal of formula (1), in which R1 and R2 is each hydrogen or lower alkyl, w...
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WO/1984/002903A1 |
Compounds of formula (I), wherein the two groups Ro together form a radical of formula (II) or -(CH2)4-, wherein R2 is hydrogen, C1-4 alkyl, C1-4 alkoxy, (except t-butoxy), trifluoromethyl, fluoro, chloro, phenoxy or benzyloxy, R3 is hyd...
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WO/1984/001146A1 |
Ortho-alkylated phenols are prepared by reacting phenol unsubstituted in at least one ortho position with an alcohol in the presence of an ortho-alkylation catalyst consisting of magnesium carbonate, magnesium hydroxide or a mixture of b...
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WO/1984/000749A1 |
Methanol is produced by passing CO and H2 over a supported Pd catalyst containing an alkali metal alkaline earth metal, or lanthanide promoter and supported on a carbon support with defined surface area characteristics.
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WO/1984/000778A1 |
A method for the production of a mixture of mannitol and sorbitol having a mannitol to sorbitol ratio of at least 1.5 to 1.0. Glucose is enzymatically oxidized by a pyranose-2-oxidase enzyme to produce a solution of glucosone which is re...
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WO/1984/000360A1 |
A method in the production of methyl formate and methanol from a syngas comprising carbon monoxide and hydrogen in one reaction step, the reaction being carried out catalytically in a liquid phase mainly consisting of methanol, simultane...
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WO/1983/003409A1 |
Ethanol is produced by carbonylation of methanol by reaction with carbon monoxide in the presence of a carbonylation catalyst to form acetic acid which is then converted to an acetate ester followed by hydrogenolysis of the acetate ester...
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WO/1983/003248A1 |
Carbacycline derivatives having the formula I wherein R1 is the residue CH2OH or$(1,)$ -C-OR2, R2 representing a hydrogen atom, an alkyl, cycloalkyl, aryl, $(1,)$CH2 -C-aryl residue or a heterocyclic residue, or R1 is the residue $(1,)$-...
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WO/1983/003247A1 |
An indane, tetralin or phenyl alcohol is made by a heterogeneous, fast, exothermic Friedel Craft reaction and the reaction mixture is cooled to a temperature at which substantial by-product formation is avoided by continuously utilising ...
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WO/1983/000859A1 |
Solid acidic or metal catalyst-promoted halogenation of methane to produce methyl monohalides in high selectivity. Concurrent or simultaneous hydrolysis provides methyl alcohol and/or dimethyl ether in good yields.
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WO/1982/004041A1 |
Simultaneous preparation of formic acid and one of or both the ethers tert.butyl-methylether and tert.amyl-methylether, by reacting tert. butanol and/or tert.amyl-alcohol with methyl formate in the presence of acidic catalyst. Instead of...
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WO/1982/003854A1 |
A process for effecting hydrogenolysis of a carboxylic acid ester comprising contacting a vaporous mixture containing the ester and hydrogen with a catalyst comprising a reduced mixture of copper oxide and zinc oxide at a temperature in ...
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WO/1982/003624A1 |
The reactor, of the "loop" type, is comprised of at least two vertical parallel pipes (1, 2), of which at least one is provided with a supply conduit (5) at its base and serves as ascending limb, at least one of the pipes serving as desc...
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WO/1982/003025A1 |
A reagent comprising the product of the reaction of an alkali metal hydroxide with a polyglycol or a polyglycol monoalkyl ether and oxygen, effects complete decomposition of halogenated organic compounds, such as polychlorinated biphenyl...
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WO/1982/002548A1 |
Method and apparatus for partial oxidation of hydrocarbonaceous gases, wherein a hydrocarbonaceous gas is preheated, reacted with oxygen, and quenched by means of a rotating matrix comprising glassy ceramic fibers. Such a rotating matrix...
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WO/1982/002547A1 |
Method and apparatus for the production of synthesis gas from hydrocarbonaceous gases, wherein a hydrocarbonaceous gas is preheated, reacted with oxygen in the presence of steam, and quenched utilizing a rotating matrix comprising glassy...
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WO/1982/002381A1 |
Fluorinated bisphenols having a fluorinated alkyl group and a hydrogen atom upon the methylene carbon atom are prepared at atmospheric pressure or at low pressures from a phenol reactant and a fluorinated aldehyde compound in the presenc...
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WO/1982/002321A1 |
Novel compounds of the formula (FORMULA) in which R1 is a phenyl, phenoxy, phenylthio, benzyl or heterocyclic radical which may be substituted, R2 is hydrogen, a substituted-vinylcyclopropane carbonyl group, a tetramethylcyclopropanecarb...
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WO/1982/002380A1 |
Phenol reactants and fluorinated aldehydes or fluorinated ketones are reacted in the presence of organic sulfonic acid catalysts to yield fluorinated monophenols and fluorinated diphenols. Fluorinated monophenols can be isolated and reac...
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WO/1982/001867A1 |
A pharmaceutical compound with therapeutic, prophylactic and cosmetic properties for human and veterinary use, being a zinc glycerolate complex formed as a reaction product of zinc oxide and glycerol having a platy morphology with genera...
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WO1982000030A1 |
Compounds useful as fragrance materials having the structure (FORMULA) wherein each of R1, R2, and R3 are hydrogen or methyl can be prepared by reacting a halogen-containing cyclohexane, having the structure (FORMULA) wherein each of R1,...
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WO/1981/003181A1 |
Method for thermochemically converting a carbohydrate material into ethanol wherein the carbohydrate material and a metal salt are reacted at elevated temperature to form an intermediate carbohydrate complex salt and/or a lactate metal s...
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WO/1981/001843A1 |
Hexafluoropropylene may be conventionally oxidized to form an impure mixture comprising hexafluoroacetone and residual hexafluoropropylene, which materials are separable only with difficulty. The impure mixture may be subjected to reduci...
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WO/1981/001913A1 |
A rapid and systematic method for performing chip layout of a random-logic IGFET circuit includes steps for arranging the device features and interconnection features corresponding to the circuit in respective positions in an array of in...
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WO/1981/001578A1 |
A method of obtaining monochlorohydrin or dichlorohydrin alcohols of saturated series containing 3 to 5 carbon atoms consists in chlorohydroxylation of unsaturated hydrocarbons containing 3 to 5 carbon atoms and having one or two double ...
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WO/1981/001285A1 |
Substituted carboxylic ceto-acids having the formula I (FORMULA) wherein R1 represents a hydrogen atom, a halogen atom, a hydroxyl group, a lower alkyl, lower alkyloxy or trifluoromethyl residue. R2 represents a hydrogen or halogen atom ...
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WO/1980/001690A1 |
Compositions of matter which are highly useful in hydroformylation processes. The compositions are non-charged, non-chelated bis- and tris-(alkyl diaryl phosphine) rhodium carbonyl hydrides. The substituents of the alkyl group include he...
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WO/1980/001687A1 |
The action of liquid ammonia in dehydrohalogenating 1,1,1-trichloro-2,2-bis(4-hydroxyphenyl)ethane to 1,1-dichloro-2,2-bis(4-hydroxyphenyl)ethylene by liquid ammonia can be accelerated by incorporating in the liquid ammonia an effective ...
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WO/1980/001688A1 |
The action of liquid ammonia in dehydrohalogenating 1,1,1-trichloro-2,2-bis(4-hydroxyphenyl)ethane to 1,1-dichloro-2,2-bis(4-hydroxyphenyl)ethylene by liquid ammonia can be accelerated by incorporating in the liquid ammonia an effective ...
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WO/1980/001692A1 |
Complexes of the formula (FORMULA) in which R is selected from an alkyl group containing 1 to 30 carbon atoms and an aryl group containing from 6 to 10 carbon atoms; Q is a divalent organic radical selected from an alkylene group and an ...
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WO/1980/001689A1 |
Novel ligand materials and transition metal complexes thereof which are useful as solvents and/or catalysts for various processes, including catalytic conversion processes for the conversion of hydrocarbons or carbon monoxide, such as th...
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WO/1980/001691A1 |
A process in which an alpha-olefin containing n carbon atoms is reacted with hydrogen and carbon monoxide in the presence of a complex rhodium-containing catalyst and a base to form aldehydes containing 2n+2 carbon atoms, wherein the rea...
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WO/1980/001163A1 |
Substituted (1,1'-biphenyl)-3-ylmethyl 3-(2,2-dihaloethenyl)-2,2-dimethylcyclopropanecarboxylates, as well as processes, uses, and intermediates thereto. The substituted (1,1'-biphenyl)-3-ylmethyl 3-(2,2-dihaloethenyl)-2,2-dimethylcy-clo...
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WO/1980/000975A1 |
Process for making anhydrous alcohol denatured with gasoline for ready mixing with additional gasoline to make gasohol and in which aqueous alcohol is introduced into a dehydration drying column along with gasoline. The alcohol, containi...
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WO/1980/000836A1 |
Process for purifying crude ethanol, whether produced by fermentation or by the synthetic route, to produce a pure ethanol-water azeotrope. The process uses only two distillation columns for fermentation ethanol and only three columns fo...
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WO/1980/000348A1 |
Polycarbonate compositions having improved barrier properties; i.e., low water vapor transmission and low gas permeability, are derived from monomers of the general formula (FORMULA) wherein X or Y or both are alkyl, and W is -S-,-O-,-SO...
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WO/1980/000150A1 |
The compound 2,2-bis(4-hydroxyphenyl) propane is recovered in the form of rhombic crystals from an essentially non-crystalline mixture comprising 2,2-bis(4-hydroxyphenyl) propane, organic by products of the condensation reaction of pheno...
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WO/1980/000081A1 |
Oxygenated compounds are prepared by reacting olefinically unsaturated compounds with carbon monoxide and hydrogen in the presence of a hydroformylation catalyst with suppression of the olefin hydrogenation side reaction if an acid is us...
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JP7461062B2 |
The invention relates to a method for degradation of plastic materials into terephthalic acid (TPA) and/or ethylene glycol and/or other monomers that form the plastic materials.
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JP2024044906A |
The present invention provides a technology for effectively utilizing waste containing a polymer containing a monomer unit derived from α-halogenoacrylic acid ester of a fluorine-containing alcohol. [Solution] A method for recovering fl...
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JP7442186B2 |
Provided is a method for producing an organic compound, the method making it possible to ensure an adequate reaction time and obtain a targeted substance at a high yield even in an organic reaction that requires a relatively long time to...
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JP2024025955A |
[Problem] The present invention provides an efficient method for producing tea from tea without using large amounts of organic solvents.1-An object of the present invention is to provide a method for obtaining varigenol. [Solution] The f...
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JP7430244B2 |
The present invention relates to a method of extracting an aliphatic alcohol, preferably containing 5 to 16 carbon atoms, from an aqueous medium, the method comprising:(a) contacting the aliphatic alcohol in the aqueous medium with at le...
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JP2024502263A |
The present disclosure relates to a Fischer-Tropsch process for producing hydrocarbons and their oxygenates, particularly from renewable carbon dioxide sources. The present disclosure generally relates to a method for Fischer-Tropsch pro...
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JP2023143625A |
To provide a method for producing a cyclohexanedicarboxylic acid-based compound which can simply obtain a cyclohexanedicarboxylic acid-based compound such as DMCD from a polymer having a terephthalic acid skeleton at a sufficient yield a...
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JP2023537393A |
A process for purifying polyester grade ethylene glycol from crude ethylene glycol containing at least a first component and a second component having a boiling point lower than the boiling point of ethylene glycol comprises depolymerizi...
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JP7335338B2 |
The present disclosure relates to methods, systems and products for converting carbon dioxide to one or more small organic compounds. In certain embodiments, the present disclosure provides a method of converting CO2 and/or a related for...
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JP2023111250A |
To provide a depolymerization method of a polybutylene terephthalate resin, the method enabling 1,4-butane in particular to be recovered at a sufficient recovery rate in a short time.A depolymerization method of a polybutylene terephthal...
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JP2023099528A |
To provide a preparation method of a metal-carried molecular sieve catalyst by a mild, low energy consumption, efficient, and novel reduction technique, a metal-carried molecular sieve catalyst, and a use of the same.A metal-carried mole...
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JP2023527760A |
A cathode is disclosed that includes a conductive support substrate having an electrocatalytic coating containing nickel phosphide nanoparticles and a promoter. The conductive support substrate is CO2Or it can incorporate a material that...
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