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WO/1990/009972 |
The fluoroalkyl derivative of the invention is a new compound represented by general formula (I) or (II), wherein R1 represents (a) (wherein X represents hydrogen, chlorine, bromine, fluorine, iodine, methyl, ethyl, methoxy, ethoxy or ni...
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WO/1990/008814 |
A hydrochlorofluorocarbon azeotropic or azeotropic-like mixture comprising at least one member selected from the group consisting of hydrogen-containing fluoropropanes of the formula (I): CH¿a?Cl¿b?F¿c?CF¿2?CH¿x?Cl¿y?F¿z?, wherein...
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WO/1990/008748 |
A process for the hydrogenolysis and/or dehydrohalogenation of fluorohalocarbons and/or fluorohalohydrocarbons by reacting the fluorohalocarbons and/or fluorohalohydrocarbons with a source of hydrogen in the presence of a catalyst, the i...
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WO/1990/008815 |
A hydrochlorofluoropropane azeotropic or azeotropic-like composition comprising at least two members selected from the group consisting of hydrochlorofluoropropanes of the formula (I): CH¿a?Cl¿b?F¿c?CF¿2?CH¿x?Cl¿y?F¿z?, wherein a+...
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WO/1990/008755 |
This invention provides an improved process for the manufacture of 1,1,1,2-tetrafluoroethane by the reaction of HF and trichloroethylene in the presence of a catalyst to form a mixture comprising 2-chloro-1,1,1-trifluoroethane and 1,1,1,...
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WO/1990/008116 |
A process is provided for the chlorination of ethane using hydrogen chloride, chlorine or mixtures as the chlorination agent. The process includes reaction steps operated in tandem in separate zones first comprising the reaction of perch...
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WO/1990/008117 |
A process is provided for the chlorination of methane using hydrogen chloride as a source of chlorine. The process includes reaction steps operated in tandem in separate zones first comprising the reaction of perchloroethylene with hydro...
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WO/1990/007481 |
A process is disclosed for transforming a saturated reactant (e.g. 1,1,2-trichloro-1,2,2-trifluoroethane) into a saturated product (e.g. 1,1-dichloro-1,2,2,2-tetrafluoroethane) by contacting a gaseous mixture comprising said reactant wit...
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WO/1990/007568 |
Azeotrope-like compositions comprising 1,1-dichloro-1-fluoroethane, dichlorotrifluoroethane, and methanol or ethanol are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications includ...
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WO/1990/007482 |
A catalyst composition is disclosed which consists essentially of an aluminum fluoride prepared by the reaction of aluminum hydroxide and HF. Also disclosed is a process for preparing 1,1-dichloro-1,2,2,2-tetrafluoroethane by chlorofluor...
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WO/1990/006296 |
A liquid phase process for making perfluorinated organic substances which comprises directly contacting in a temperature-controlled reactor a diluted solution or dispersion of a perfluorinateable, organic substance in a liquid, inert med...
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WO/1990/002771 |
Azeotrope-like compositions comprising trichlorofluoromethane, dichlorotrifluoroethane and isopentane are novel compositions particularly useful as blowing agents in the preparation of polyurethane and polyisocyanurate foams.
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WO/1990/001474 |
The invention relates to a process for producing 1,1-dichloro-2,2,2-trifluoroethane, which comprises reacting 1,1,2-trichloro-2,2-difluoroethane (R122) and/or 1,1,2,2-tetrachloro-1-fluoroethane (R121) with HF in a liquid phase in the pre...
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WO/1990/000535 |
Normal alkane hydrocarbons are chlorinated with high terminal selectivity by pre-adsorbing the hydrocarbons into a pentasil zeolite.
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WO/1989/012617 |
A process for preparing fluorinated alkanes by contacting alkenes or halogenated alkanes with from 1 to 30 molar equivalents of hydrogen fluoride at from about 0°C to about 185°C in the presence of from 0.001 to 0.250 molar equivalent ...
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WO/1989/012674 |
A solvent consisting essentially of a compound of the formula: CHaClbFcCF2CHxClyFz, wherein a + b + c = 3, x + y + z = 3, a + x 1, b + y 1, and 0 a, b, c, x, y, z 3.
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WO/1989/012615 |
Process of the preparation of highly fluorinated alkanes by contacting halogenated alkenes or alkanes with at least the molar equivalent of HF in the presence of a catalyst selected from TaF5 and NbF5 in an amount of at least 0.25 molar ...
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WO/1989/012619 |
A process for preparing an aromatic carboxylic ester and an alkyl iodide by carbonylating an aromatic iodide in the presence of an ether, a catalytic amount of a transition metal and a strong acid promoter.
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WO/1989/012616 |
Process for the preparation of fluorinated alkanes by contacting halogenated alkanes with HF in the presence of TaCl5 or TaBr5.
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WO/1989/012614 |
Process for the preparation of fluorinated alkanes by contacting alkenes with HF in the presence of TaCl5 or TaBr5.
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WO/1989/011467 |
An improved gas-phase process for the manufacture of 1,1,1-trifluorodichloroethane and/or 1,1,1,2-tetrafluorochloroethane by contacting a suitable tetrahaloethylene with hydrogen fluoride in the presence of a selected metal in combinatio...
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WO/1989/010984 |
Azeotrope-like compositions comprising 1,1-dichloro-1-fluoroethane and methanol and azeotrope-like compositions comprising 1,1-dichloro-1-fluoroethane, methanol and nitromethane are stable and have utility as degreasing agents and as sol...
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WO/1989/009663 |
Arrangement, in particular for eliminating fluorine-chlorine-hydrocarbons from foamed or synthetic materials, comprising a comminution chamber (1), into which the substances to be eliminated can be fed and which has means (2) to release ...
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WO/1989/009845 |
Azeotrope-like compositions comprising dichlorotrifluoroethane, methanol and nitromethane and azeotrope-like compositions comprising dichlorotrifluoroethane, methanol, nitromethane, and cyclopentane are stable and have utility as degreas...
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WO/1989/008638 |
A process for the co-production of aromatic carboxylic esters and alkyl iodides by the carbonylation of aromatic iodides in the presence of an ether and an iridium catalyst.
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WO/1989/004296 |
Disclosed is a process for the co-production of aromatic carboxylic esters and alkyl iodides by the carbonylation of aromatic iodides in the presence of an ether and a nickel catalyst.
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WO/1989/004294 |
Disclosed is a process for the co-production of aromatic carboxylic esters and alkyl iodides by the carbonylation of aromatic iodides in the presence of an ether and a rhodium catalyst.
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WO/1989/004295 |
Disclosed is a process for the co-production of aromatic carboxylic esters and alkyl iodides by the carbonylation of aromatic iodides in the presence of an ether and a ruthunium catalyst.
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WO/1989/003817 |
Disclosed is a process for the co-production of aromatic carboxylic esters and alkyl iodides by the carbonylation of aromatic iodides in the presence of an ether and a palladium catalyst.
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WO/1989/001927 |
The present invention relates to the synthesis of new terminal olefins, perfluoro 2,4-dimethyl 3-ethylpentene and perfluoro 2-isopropyl 3,3-dimethylbutene, and to the subsequent fluorination thereof in order to obtain highly branched per...
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WO/1988/008441 |
An electro-optical liquid crystal display element comprises a dielectric with at least two liquid crystal components. In order to shorten the switching time, the dielectric contains at least one fluorine compound of formula (I): R1-(A1-Z...
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WO/1988/008007 |
The present invention relates to branched perfluoroalkanes which, having bonds between a quaternary carbon atom and a tertiary carbon atom, easily undergo a homolytic scission of the C-C bond thereby releasing (non-persistent) radicals w...
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WO/1988/005037 |
Process for the co-production of aromatic carboxylates and alkyl iodides by the carbonylation of aromatic iodides in the presence of an alkanol and a ruthenium catalyst.
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WO/1988/005036 |
Process for the co-production of aromatic carboxylates and alkyl iodides by the carbonylation of aromatic iodides in the presence of an alkanol and a rhodium catalyst.
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WO/1988/004286 |
Novel method for conducting phase transfer catalysis in a multiphase reaction system wherein the different phases are separated by a membrane permeable to the phase transfer catalyst and its various reaction complexes. The invention also...
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WO/1987/005015 |
Optically active compounds of the cyclohexane series can be used as components of chirally tilted smectic liquid crystal phases.
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WO/1987/003279 |
A process for the co-production of aromatic carboxylates and alkyl iodides by the carbonylation of aromatic iodides in the presence of an alkanol and a nickel catalyst.
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WO/1987/003280 |
Process for the co-production of aromatic carboxylic esters and alkyl iodides by the carbonylation of aromatic iodides in the presence of an alkanol and a palladium catalyst.
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WO/1987/002034 |
Process for the manufacture of cycloalkane carboxylic acids of the general formula (I), where n is the figure 1 or 2, R1 and R3 are alkyl groups with 1 to 4 carbon atoms and R2 and R4 are hydrogen atoms or alkyl groups with 1 to 4 carbon...
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WO/1985/002519 |
A method for the control of nematodes and soil-borne insects in agricultural crops which comprises applying to the situs of infestation a composition containing as active ingredient a compound of formula R-Z(CH2)n-Q wherein R is an alkyl...
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WO/1984/003277 |
Methyl or ethyl mono-chloride or bromide are produced selectively from methane or ethane hydrogen chloride or bromide by feeding the methane or ethane and hydrogen chloride or bromide and a source of molecular oxygen to an oxychlorinatio...
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WO/1983/000859 |
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/1982/002197 |
A process for preparing 1,2-dichloroethane in high yield with depression of side reactions forming 1,1,2-trichloroethane etc. in considerable amounts, by reacting ethylene with chlorine in 1,2-dichloroethane containing a metal chloride c...
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WO/1982/001701 |
A process for the preparation of substantially anhydrous hydrogen iodide, lithium iodide and/or methyl iodide by reacting under anhydrous conditions, hydrogen with iodine in a non-alcoholic solvent in the presence of a homogeneous rhodiu...
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WO/1981/001284 |
A catalyst composition is provided having copper chloride deposited on a fluidizable alumina support in which the support has incorporated prior to deposit of copper from 0.5 to 3.0% by weight of at least one alkali metal, alkaline earth...
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WO/1980/000699 |
Method for using a pendulum viscometer having damped torsional oscillations, in a laboratory catalytic fluid-bed reactor, to monitor a propensity to stick which is exhibited by certain supported catalysts. A fluid-bed of such catalysts h...
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JP2013006786 |
To provide a method for producing a fluorinated alkane in a good yield, in fluorinating an alkyl sulfonate by an interchange reaction with an alkali metal fluoride.This method can produce the target fluorinated alkane in a good yield by ...
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JP2012254950 |
To obtain highly chlorinated propane represented by formula [CCl3-CCl(3-m)H(m-1)-CCl(3-n)Hn (m is 1 or 2, and n is an integer 0 to 2)] easily at an excellent yield by using a 2C unsaturated compound such as ethylene or vinyl chloride, an...
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JP2012207045 |
To identify new compounds that also possess the properties necessary to function as refrigerants, solvents, cleaning agents, foam blowing agents, aerosol propellants, heat transfer media, dielectrics, fire extinguishing agents, sterilant...
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JP2012201666 |
To provide a convenient method for producing monofluoromethane, by which monofluoromethane is produced with a high yield, which is suitable for producing high-purity monofluoromethane usable as an etching agent or a cleaning agent etc., ...
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