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Matches 551 - 600 out of 4,381

Document Document Title
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/1990/000534A1
A process for alkylating an isoparaffin containing up to 20 carbon atoms with an olefin containing from 2 to 12 carbon atoms comprises contacting the isoparaffin and olefin with a catalyst comprising a non-zeolitic solid inorganic oxide ...  
WO/1990/000533A1
A process for alkylating an isoparaffin containing up to 20 carbon atoms with an olefin containing from 2 to 12 carbon atoms comprises contacting the isoparaffin and olefin with a catalyst comprising a large pore zeolite and a Lewis acid...  
WO/1990/000086A1
An aqueous phase enclosing cations of at least one metal of the lanthanide group and cations of at least one alkaline earth metal with a sufficient quantity of a source of carbonate ions and possibly a source of hydroxide ions to form a ...  
WO/1989/012662A1
Novel lubricant compositions comprising polyalpha-olefins are disclosed having high viscosity indices with low pour point. The compositions are characterized by a uniform molecular structure with low branch ratios. The invention describe...  
WO/1989/011466A1
A process and reactor system is disclosed for hydrotreating a low sulfur containing olefinic distillate and conventional feedstock to a catalytic hydrodesulfurization. The process comprises passing a minor portion of the olefinic distill...  
WO/1989/011465A1
A fluidized bed catalytic process for conversion of propene-rich light olefinic gas feedstock comprising at least 2 mol % ethene and having a C3:C2 molar ratio of at least 2:1 to produce hydrocarbons rich in C4+ aliphatics and aromatics....  
WO/1989/009572A1
There is provided a dental tool for use with a reciprocating dental handpiece which comprises reciprocating drive means and a sleeve member operatively connected to the drive means for reciprocating motion and designed to retain a dental...  
WO/1989/009185A1
A crystalline zeolite SSZ-26 is prepared using a hexamethyl [4.3.3.0] propellane-8,11-diammonium cation as a template. Also disclosed is a process for converting hydrocarbons with crystalline zeolite SSZ-26.  
WO/1989/008138A1
A catalytic process for converting an organic material into a gas by heating the organic material in liquid water to a temperature of from 200 to 450°C at a pressure of from 50 to 350 atmospheres in the presence of a catalyst comprising...  
WO/1989/003725A1
A process for converting synthesis gas composed of hydrogen and carbon monoxide to hydrocarbons and a catalyst for the same. The process includes the step of contacting at reaction conditions a synthesis gas feed to a catalyst which incl...  
WO/1988/006576A1
Alkylation processes of the type used in the refining of petroleum can be improved by using a promoter composition which contains an alkyl phosphate ester amine salt and pinene.  
WO/1988/003436A1
The space-time yield and/or the selectivity of the photochemical dimerization of alkanes, ethers, primary and secondary alcohols, phosphine oxides and primary, secondary ant tertiary silanes with Hg and U.V. light is enhanced by refluxin...  
WO/1988/002361A1
Improved process for the acid-catalyzed conversion of a reactant into a reaction product wherein the improvement comprises contacting said reactant with an acid catalyst represented by general formula (I), wherein X is selected from the ...  
WO/1987/001053A1
A novel hydrocarbon alkylation catalyst comprising a mineral acid and an ether component. A process for utilizing the novel catalyst is also disclosed.  
WO/1986/007350A1
Hydrocarbons having a carbon number greater than one are produced by contacting synthetis gas at elevated temperature and atmospheric or superatmospheric pressure with a catalyst having a composition represented by the formula: Coa.Ab.La...  
WO/1986/007351A1
A process and catalyst for the synthesis of hydrogen, ethylene, ethane, and higher hydrocarbons from methane in the presence of oxygen. The catalyst comprises metal oxides selected from a Group IIA metal, a Group IIIA metal, a lanthanide...  
WO/1986/003910A1
A technology for providing electronic apparatus with immunity against static electricity, such that the circuits will not be erroneously operated or damaged due to the electric field, electromagnetic waves, or inflow of electric charges....  
WO/1986/002931A1
1,3-pentadiene is polymerized from a mixture of saturated and unsaturated hydrocarbon compounds, the compounds having primarily 5 carbon atoms per molecule, with an anionic polymerization initiator. The mixture of saturated and unsaturat...  
WO/1986/000297A1
Synthesis gas comprising carbon monoxide and hydrogen is converted to C5 hydrocarbons suitable for use as liquid motor fuels by contact with a dual catalyst system capable of enhancing the selectivity of said conversion to motor fuel ran...  
WO/1985/004854A1
Molecular sieve compsitions are prepared by extracting aluminum and substituting titanium and/or iron for extracted aluminum to give molecular sieve products containing framework titanium and/or iron atoms. The process of preparing the t...  
WO/1985/004866A1
A method for synthesizing hydrocarbons from a methane source which comprises contacting methane with a reducible oxide of Pr, Tb, Ce, Fe or Ru. The oxide is preferably combined with an amount of alkali and/or alkaline earth metal which i...  
WO/1985/004863A1
A monohalomethane is converted to a product comprising hydrocarbons having at least 2 carbon atoms and in particular aliphatic hydrocarbons in the gasoline boiling range by contact with a synthetic crystalline gallosilicate zeolite loade...  
WO/1985/004821A1
An improved method for converting methane to higher hydrocarbon products by contacting a gas comprising methane with a contact agent at a selected temperature, the agent comprising a reducible metal oxide, a support of oxides of silicon ...  
WO/1985/004864A1
A method for converting methane to higher hydrocarbon products by contacting a hydrocarbon gas comprising methane, an oxygen-containing gas and a reducible metal oxide under synthesis conditions, the improvement which comprises contactin...  
WO/1985/003015A1
A silanised layered clay comprising a layered clay chemically modified by incorporation therein of a silicon-containing residue inthe absence of a polymeric cationic hydroxy inorganic metal complex. The silanised layered clays are produc...  
WO/1985/003072A1
The gas to be treated is cooled and partially condensed in two steps (3-4, 5-6) and the condensed fractions are distilled in a column (9). A portion of the condensed liquid in the column head is under cooled in the second exchanger (5), ...  
WO/1985/003016A1
Silanised pillared interlayered clays which are produced by hydrolysing a hydrolysable silicon compound in the liquid or vapour phase in the presence of a pillared interlayered clay or a precursor thereof. The resulting silanised clays a...  
WO/1985/002399A1
A C1 to C4 monohaloalkane is converted to hydrocarbons having a greater number of carbon atoms than the monohaloalkane reactant, in particular to aliphatic hydrocarbons in the gasoline boiling range, by contacting the monohaloalkane at e...  
WO/1984/004319A1
A composition comprising: (A) a metal salt of (A)(I) at least one acid of the formula (I), wherein each X and X1 is independently oxygen or sulfur, each n is zero or one, and each R1 is independently the same or different hydrocarbon bas...  
WO/1983/001294A1
Improvement in a Ryan/Holmes separation of methane from carbon dioxide wherein the upper portion of a distillation column is operated at temperatures above the triple point of carbon dioxide, i.e., -70oF, while still effectuating a separ...  
WO/1983/000483A1
Process for converting heterosubstituted methanes, such as methyl alcohol, methyl ether, methyl mercaptan, dimethyl sulfide, methyl halides, methylal, methylamine and the like, by contacting such methanes with bifunctional acid-base cata...  
WO/1982/001870A1
A short-acting (Beta)-blocking compound of the formula (FORMULA) wherein Ar may be substituted or unsubstituted aromatic, Y may be a straight or branched carbon chain or aralkyl, R may be lower alkyl, lower alkenyl, lower alkynyl, aryl o...  
WO/1982/001869A1
A method for the treatment or prophylaxis of cardiac disorders in a mammal, comprising administering to such mammal a short-acting (Beta)-blocking compound of the formula: (FORMULA) wherein R may be lower alkyl, aryl, or aralkyl; n may b...  
WO/1981/000062A1
An improved zeolite catalyst for use in, and a method of treating a zeolite catalyst to improve its performance in, the conversion of ethanol and/or ethylene to higher hydrocarbons containing from three to twelve carbon atoms comprising ...  
WO/1980/002558A1
Ethane is separated from methane by passing a gaseous mixture of the ethane and the methane (plus a carrier gas if desired, e.g. helium, which can be 95% of the total volume) at a temperature from 150K to 400K and at a pressure from 1 to...  
WO/1980/000442A1
The plant for gasifying coal into methane or synthesis gas comprises a hydrogenation gasifier (2), a vapour gasifier (4), a conversion device (17), a fractionation device (9), a nuclear reactor (23) and a furnace for separating the metha...  
WO/1980/000441A1
The plant for gasification of coal into methane or synthetic gas comprises a hydrogenation gasifier (2), a vapour gasifier (4), a convertion (17) an fractionation (9) device. The coal to be gasified is first introduced into the hydrogena...  
WO/1980/000443A1
The gasification plant of coal into methane comprises a hydrogenation gasifier (3), a vapour gasifier (4) of a conversion (9) and fractionation (12) device. The coal is first introduced into the hydrogenation gasifier and then into the v...  
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Matches 551 - 600 out of 4,381