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Matches 901 - 950 out of 6,118

Document Document Title
WO/1990/008748A1
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...  
WO/1990/008815A1
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+...  
WO/1990/008755A1
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,...  
WO/1990/008116A1
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...  
WO/1990/008117A1
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...  
WO/1990/007481A1
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...  
WO/1990/007568A1
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...  
WO/1990/007482A1
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...  
WO/1990/006296A1
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...  
WO/1990/002771A1
Azeotrope-like compositions comprising trichlorofluoromethane, dichlorotrifluoroethane and isopentane are novel compositions particularly useful as blowing agents in the preparation of polyurethane and polyisocyanurate foams.  
WO/1990/001474A1
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...  
WO/1990/000535A1
Normal alkane hydrocarbons are chlorinated with high terminal selectivity by pre-adsorbing the hydrocarbons into a pentasil zeolite.  
WO/1989/012617A1
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 ...  
WO/1989/012674A1
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.  
WO/1989/012615A1
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 ...  
WO/1989/012619A1
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.  
WO/1989/012616A1
Process for the preparation of fluorinated alkanes by contacting halogenated alkanes with HF in the presence of TaCl5 or TaBr5.  
WO/1989/012614A1
Process for the preparation of fluorinated alkanes by contacting alkenes with HF in the presence of TaCl5 or TaBr5.  
WO/1989/011467A1
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...  
WO/1989/010984A1
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...  
WO/1989/009663A1
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 ...  
WO/1989/009845A1
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...  
WO/1989/008638A1
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.  
WO/1989/004296A1
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.  
WO/1989/004294A1
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.  
WO/1989/004295A1
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.  
WO/1989/003817A1
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.  
WO/1989/001927A1
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...  
WO/1988/008441A1
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...  
WO/1988/008007A1
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...  
WO/1988/005037A1
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.  
WO/1988/005036A1
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.  
WO/1988/004286A1
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...  
WO/1987/005015A1
Optically active compounds of the cyclohexane series can be used as components of chirally tilted smectic liquid crystal phases.  
WO/1987/003279A1
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.  
WO/1987/003280A1
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.  
WO/1987/002034A1
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...  
WO/1985/002519A1
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...  
WO/1984/003277A1
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...  
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.  
WO/1982/002197A1
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...  
WO/1982/001701A1
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...  
WO/1981/001284A1
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...  
WO/1980/000699A1
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...  
JP2014167008A  
JP5588173B2  
JP2014161812A  
JP2014522359A  
JP2014520099A  
JP2014520100A  

Matches 901 - 950 out of 6,118