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8664142 Manufacturing method of solid catalyst for propylene polymerization  
Disclosed is a method for preparing a solid catalyst for propylene polymerization, specifically to a method for preparing a solid catalyst for propylene polymerization which can produce a...
8652986 Ziegler-Natta catalyst for olefin polymerization  
The present invention relates to a Ziegler-Natta catalyst, and more specifically to a Ziegler-Natta catalyst for olefin polymerization which may use a compound of Formula 3 as an internal electron...
8609574 In situ olefin polymerization catalyst system  
Embodiments in accordance with the present invention encompass methods of forming in situ olefin polymerization catalyst systems, catalysts encompassed by such systems and polymers made using such...
8519017 Resin composition containing catalyst precursor for electroless plating in forming electro-magnetic shielding layer, method of forming metallic pattern using the same, and metallic pattern formed by the same method  
A catalyst precursor resin composition includes an organic polymer resin; a fluorinated-organic complex of silver ion; a monomer having multifunctional ethylene-unsaturated bonds; a photoinitiator;...
8334232 Porous heterogeneous catalyst coated with an ionic liquid  
The invention relates to a porous heterogeneous catalyst. In order to prepare a catalyst which catalyzes with a relatively high selectivity the hydrogenation of individual unsaturated bonds of...
8288488 Process for producing solid catalyst component for olefin polymerization  
The present invention aims at providing a process for producing a solid catalyst for olefin polymerization, the solid catalyst component being capable of providing a polymer having high...
8211819 Internal and external donor compounds for olefin polymerization catalysts  
The present invention relates to catalyst systems containing solid catalyst components comprising titanium, magnesium, halogen and a 1,8-naphthyl diaryloate internal electron donor compound;...
8105970 Olefin polymerization catalyst component and production process thereof, and production proces of olefin polymerization catalyst and olefin polymer  
A solid catalyst component for olefin polymerization containing a titanium atom, a magnesium atom, a halogen atom, and a defined internal electron donor such as dodecanedioyl dichloride; a...
8053606 Alkoxylation of fluorinated alcohols  
A fluorinated alkylalkoxylate, and a process for its preparation in which at least one fluorinated alcohol is contacted with at least one alkylene epoxide in the presence of a catalyst system...
7928031 Catalyst comprising indium salt and organic ionic liquid and process for friedel-crafts reactions  
Disclosed is a catalyst composition based on an indium salt and an organic ionic liquid, a process for making the catalyst composition, and uses thereof. The catalyst composition is particularly...
7871953 Late transition metal catalysts for olefin oligomerizations  
As series of novel late transition metal catalysts for olefin oligomerization have been invented. The catalyst system includes a Group 8, 9 or 10 transition metal and an activator. The catalysts...
7687581 Heterogeneous organotin catalysts  
Supported heterogeneous organotin catalysts of the formula X1, X2, or X3: wherein Z is a spacer group;Y is an insoluble phenyl-group containing copolymer;R1, R2, R3, R5, and R6 are independently...
7666811 Ionic liquid catalyst having enhanced activity  
A process for producing acidic ionic liquid catalyst having enhanced activity comprising combining fresh acidic ionic liquid catalyst, a metal and a Broensted acid in a reaction zone for a time...
7622414 Organometal catalyst compositions  
This invention provides compositions that are useful for polymerizing at least one monomer to produce a polymer. This invention also provides compositions that are useful for polymerizing at least...
7538235 Process for preparing a catalyst, the catalyst, and a use of the catalyst  
A process for preparing an epoxidation catalyst comprising silver and a high-selectivity dopant on a support, which process comprises depositing a base having a pKb of at most 3.5 when measured in...
7501075 Synthesis agent containing methyllithium/lithium bromide, and process for the preparation thereof  
A synthesis agent containing methyllithium and lithium bromide is described, in which MeLi and LiBr are dissolved in a solvent of the general formula (I) wherein R1 and R2 independently of one...
7468339 Diketonate complex-derived catalysts useful for preparing polyolefins  
An olefin polymerization catalyst may be prepared using a process including contacting a metal compound of the formula M(OR1)2 with a diketone to form a catalyst precursor having the general...
7402546 Magnesium chloride support  
The invention relates to supports comprising inorganic oxide particles coated with magnesium chloride and a method for making them. The inorganic oxide has a mean particle diameter of less than 5...
7268095 Transition metal catalysts for (co) polymerizing of olefinic monomers  
A compound of the formula Ia or Ib; where,in the formula Ia,E1 is O, S, Se, Te, NR, CR2, or PR;E2, E3 are each CR, N, or P;E4 is N, or P;E5 is OH, SH, NHR, OR′, SR′, or NRR′;E6 is NH, PH, NR′, ...
7261872 Method for producing metal fluoride materials  
A method of producing nano metal fluoride powders comprising the steps of mixing an aqueous or organic continuous phase comprising at least one metal cation salt with a hydrophilic or organic...
7262258 Process for producing copolymer  
There are provided (I) a process for producing a copolymer of ethylene, an α-olefin having from 3 to 20 carbon atoms and optionally a polyene, which comprises the step of copolymerizing those ...
7256150 Preparation of olefin polymerization catalyst component  
A process for producing a Gp 2/transition metal olefin polymerisation catalyst component, in which a Gp 2 complex is reacted with a transition metal compound so as to produce an oil-in-oil...
7220696 Solid titanium catalyst component for olefin polymerization, catalyst for olefin polymerization, and process for olefin polymerization  
Disclosed is a catalyst for olefin polymerization comprising [I] a solid titanium catalyst component [S] comprising titanium, magnesium, halogen and an electron donor (b), which is obtained by...
7211534 Preparation of a magnesium halide support for olefin polymerization and a catalyst composition using the same  
A magnesium halide support material for a polyolefin catalysts is disclosed. The magnesium halide of present invention is prepared by reacting magnesium with an alkylhalide in a non-polar...
7122611 Catalyst for polymerization of norbornene  
This invention is based upon the discovery that a catalyst system which is comprised of (a) palladium or a palladium compound and (b) a fluorinated alcohol is effective for polymerizing...
7087549 Calcium-based catalyst system  
This invention reveals a catalyst system for use in isothermal polymerizations which consists essentially of (a) an organolithium compound, (b) a calcium alkoxide and (c) a lithium alkoxide. The...
7049266 Layered double hydroxides supported nanopalladium catalysts for Heck-, Suzuki, Sonogashira-, and Stille type coupling reactions of haloarenes  
Processes for the preparation of nanopalladium (0) catalysts are disclosed. In some embodiments, the nanopalladium (0) catalysts may be reusable. In some embodiments, the nanopalladium (0)...
6984605 Method for manufacturing ionic liquid catalysts  
A method for manufacturing ionic liquid compositions by use of a two-step process which includes the contacting, under first reaction conditions, an amine compound with a hydrogen halide that is...
6982238 Supported catalyst  
The invention provides a supported chromium catalyst system comprising a chromium catalyst precursor bound via at least one heteroatom to a functionalised support, said heteroatom being connected...
6969693 Immobilised ionic liquids  
Ionic liquids are immobilized on a functionalized support which carries or contains one component of the ionic liquid, or a precursor to such a component. The ionic liquid may be immobilized via...
6903042 Catalytic composition and process for oligomerizing ethylene, in particular to 1-hexene  
A catalytic composition for oligomerizing ethylene, in particular to 1-hexene, is obtained by mixing at least one chromium carboxylate characterized in that it also contains a free carboxylic acid...
6903045 Tin promoted platinum catalyst for carbonylation of lower alkyl alcohols  
A carbonylation catalyst useful for producing esters and carboxylic acids in a vapor phase carbonylation process, wherein the catalyst includes a solid component having a catalytically effective...
6893996 Process for the preparation of a nickel/phosphorous ligand catalyst for olefin hydrocyanation  
A process for preparing a hydrocyanation catalyst comprising contacting a bidentate phosphorous-containing ligand with a molar excess of nickel chloride in the presence of a nitrile solvent and a...
6881698 Ion liquids derived from Lewis acid based on titanium, niobium, tantalum, tin or antimony, and uses thereof  
The ionic liquids according to the invention result from the reaction of a halogenated or oxyhalogenated Lewis acid based on titanium, niobium, tantalum, tin or antimony with an organic salt of...
6869903 Synthesis of polymerization catalyst components  
The present invention provides a method of synthesizing fluorided metallocene catalyst components comprising contacting at least one fluoriding agent comprising fluorine with one or more alkylated...
6861385 Process for the preparation of a spherical support comprising a Mg dihalide  
A process for preparing spherical support particles used in the preparation of catalytic components for the polymerization of olefins by (a) forming an emulsion of an adduct of a Mg dihalide and a...
6828269 Catalytic composition and a process for oligomerizing ethylene, in particular to 1-hexene  
A catalytic composition is obtained by mixing at least one chromium compound with at least one aryloxy compound of an element M selected from the group formed by magnesium, calcium, strontium and...
6825148 Nickel-containing ethylene oligomerization catalyst and use thereof  
A process for the oligomerization of ethylene to a mixture of olefinic products having high linearity is provided, by using a catalyst comprising a reaction product of a simple divalent nickel...
6806224 Process for producing a supported metal catalyst  
A process for producing a supported metal catalyst which comprises reducing a metal halide in the liquid phase in the presence of a support material, an organic base and a reducing agent. In...
6803428 Process for preparing a catalyst support for polymerization of α-olefins, and support thus obtained  
A process is provided for preparing a catalyst support for polymerizing α-olefins comprising the steps of: (i) reacting, in the presence of a first electron donor, a chlorine-containing organic ...
6794525 Optically active chiral diphosphine ligands  
An (R) or (S) chiral diphosphine of formula (I): wherein R and R1, which can be identical or different, represent an optionally saturated C1-10 alkyl group, an optionally saturated C3-9 cycloalkyl...
6759362 Mixed metal alkoxide complexes and polymerization catalysts made therefrom  
A process for making a solid composition comprising alkoxide groups, chloride groups, one or more metals, M, in the +2 oxidation state selected from Mg, Ca, Mn, Cu, Co or Zn, and one or more...
6753288 Oxidative carbonylation of hydroxyaromatic compounds  
Organolead compounds such as tetraethyllead are useful in catalyst compositions for the oxidative carbonylation of hydroxyaromatic compounds to diaryl carbonates. They are employed in combination...
6734327 Alkoxylation process using antimony catalyst  
Novel active catalyst compositions comprising a compound or mixture of compounds represented by the formula SbFXmY4−ma complex of such a compound or mixture of such compounds being represented by t...
6706657 Catalytic composition for dimerizing, co-dimerizing and oligomerizing olefins  
A catalytic composition comprising at least one nickel compound mixed or complexed with at least one tertiary phosphine or a phosphite carrying a functional group, at least partly dissolved in a...
6686307 Magnesium dichloride-alcohol adducts  
The present invention relates to MgCl2.mROH.nH2O adducts, where R is a C1-C10 alkyl, 2≦m≦4.2, 0≦n≦0.7, characterized by an X-ray diffraction spectrum in which, in the range of 2θ diffract...
6683146 Heterogeneous polymerization catalyst, process for producing acrylic polymer, and acrylic polymer  
A process for producing an acrylic polymer capable of providing a polymer controlled in molecular weight and free of colorization, and a heterogeneous polymerization catalyst used in the process...
6617279 Catalyst composition and method for producing diaryl carbonates, using bisphosphines  
Hydroxyaromatic compounds such as phenol are carbonylated with oxygen and carbon monoxide in the presence of a catalyst system comprising a Group VIIIB metal, preferably palladium; an iodide salt,...
6602817 Combination approach to chiral reagents or catalysts having amine or amino alcohol ligands  
Functionalized amine derivatives are prepared by reacting an amine, a carbonyl derivative, and an organoboron compound under mild conditions. Organoboronic acids react with amines and alpha-hydroxy...
6455459 Antimony catalyst compositions  
Novel active catalyst compositions comprising a compound or mixture of compounds represented by the formula SbFXmY4−ma complex of such a compound or mixture of such compounds being represented by t...
Matches 1 - 50 out of 383 1 2 3 4 5 6 7 8 >