Patents in Class 502/158

Matches 1 - 50 out of 353

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Match	Document	Document Title
1	7566678	Modified catalyst and use of this catalyst for the conversion of synthesis gas to hydrocarbons The present invention relates to a process for the conversion of synthesis gas to hydrocarbons in the presence of a modified supported Fischer-Tropsch catalyst composition.
2	7563741	Silicone composition which can be crosslinked into an elastomer by hydrosilylation in the presence of carbene-based metal catalysts, and catalysts of this type This invention relates to silicone compositions which can be crosslinked, preferably into elastomers, by hydrosilylation of at least one PolyOrganoSiloxane -A- carrying unsaturated bonds, using at...
3	7511110	Crosslinkable polyorganosiloxane compositions Polyorganosiloxane compositions crosslinkable by addition of Si-bonded hydrogen to aliphatic carbon-carbon multiple bonds which have extended pot life or are preparable as storage stable one...
4	7479265	Catalytic filter based on silicon carbide (β-SiC) for combustion of soot derived from exhaust gases from an internal combustion engine This invention relates to β-SiC foam parts with a specific surface area preferably equal to at least 5 m 2 /g and with at least two zones A and B with a different cellular porosity distribution,...
5	7452947	Silica-supported polymerization catalyst A process for the preparation of a silicon containing transition metal compound that includes the steps of (a) non-hydrolytic sol-gel condensation of a silane of formula L x SiQ n wherein L is a...
6	RE40121	Transition metal compound The present invention relates to zwitterionic neutral transition metal compounds. The compounds are suitable as catalyst components for the polymerization of olefins.
7	7307036	Highly active alpha-olefin polymerization catalyst A highly active alpha-olefin polymerization catalyst component is disclosed. In the presence of a co-catalyst, the catalyst component is useful for the production of LLDPE resins. The catalyst...
8	7304013	Metal oxide catalysts Bulk and supported catalysts are prepared from an aqueous slurry containing a catalytically active material and a binder. The slurry is either coated onto a support and dried to form a porous, high...
9	7294729	Bis-chelating ligand and use thereof in carbonylation processes A novel bis-chelating composition characterized by formula I: wherein M is a Group VB element; R1 and R2 are each independently selected from hydrogen and monovalent hydrocarbyl radicals; or R1 and...
10	7291575	Active, heterogeneous bi- or tri-dentate catalyst A catalyst composition, and olefin polymerization process using same, formed from a mixture of a non-aluminoxane aluminum compound, an inorganic oxide and a transition metal bidentate or tridentate...
11	7271120	Catalyst for the synthesis of dimethyl carbonate from urea and methanol, preparation and use thereof A catalyst for the preparation of dimethyl carbonate from urea and methanol having a composition on weight base of: active component of from 20 to 50 wt %, and carrier of from 80 to 50 wt %, and...
12	7244794	Method for producing propylene polymer having a very high melt-flowability The present invention relates to a method for producing a propylene polymer having a very high melt flowability, specifically to a method for producing an isotactic propylene polymer having a...
13	7235510	Catalysts A tethered ligand comprising the reaction product of an organofunctional silica and a ligand containing a functional group capable of reaction with said organofunctional silica, wherein the...
14	7235173	Hydrotreating catalyst that contains a nitrogen-containing organic compound and its use A hydrotreating catalyst that contains at least one element of group VIB and/or group VIII of the periodic table and optionally phosphorus and/or silicon, with an organic compound as an additive...
15	7232870	Bridged metallocene complexes, process for preparing the same and use thereof Provided is a bridged cyclopentadienyl-dicarbollide complex having the formula of {L[(Cp)(C 2 B 9 R 1 10 )]}MR in which Cp is an unsubstituted, alkyl-substituted, aryl-substituted or fused ring...
16	7214639	Immobilized metal complex catalysts, process for preparation thereof and use thereof The present invention provides a novel immobilized metal complex catalyst of the formula I wherein M is a Group VIII metal, n is an integer with a value between 2 and 6, ML x is an...
17	7211543	Photocatalyst composition A photocatalyst composition which comprises (A) modified photocatalyst particles, the modified photocatalyst particles (A) being prepared by subjecting particles of a photocatalyst to a...
18	7202191	Polymerization catalyst system using n-butylmethyldimethoxysilane for preparation of polypropylene film grade resins It has been discovered that using n-butylmethyldimethoxysilane (BMDS) as an external electron donor for Ziegler-Natta catalysts can provide a catalyst system that may prepare polypropylene films...
19	7166265	Process for the assembly of ultrastable mesostructured organofunctional silica compositions A process for the preparation of mesostructured organofunctional silica and silica-alumina compositions using a hydrolyzable organosilane compound is described. The process uses a water soluble...
20	7148173	Catalytic systems for the polymerization and copolymerization of alpha-olefins Heterogeneous catalytic compositions obtained by reacting a porous inorganic support with an alumoxane and subsequently supporting at least one metallocene compound thereon. A process for...
21	7141690	Transition metal complexes, ligands, polymerization catalysts for olefins, and process for production of olefin polymers A transition metal complex represented by the formula (1): wherein M is a Group 4 transition metal, A is a Group 16 element, B is a Group 14 element, n is an integer of 0 or 1, R 1 , R 2 , R 3 ...
22	7115539	Metal compound, and catalyst component and catalyst for addition polymerization, and process for producing addition polymer A metal compound obtained by a process comprising the step of contacting, in a specific ratio, a compound represented by the formula M 1 L 1 r , a compound represented by the formula R 1 s−1 TH,...
23	7109143	Polymerization catalyst system using n-butymethyldimethoxysilane for preparation of polypropylene film grade resins It has been discovered that using n-butylmethyldimethoxysilane (BMDS) as an external electron donor for Ziegler-Natta catalysts can provide a catalyst system that may prepare polypropylene films...
24	7094901	Expanded anionic compounds comprising hydroxyl or quiescent reactive functionality and catalyst activators therefrom A cocatalyst or cocatalyst component, including a compound corresponding to the formula: (A* +a ) b (ZJ j ) −c d , wherein: A* is a cation of from 1 to 80 atoms, not counting hydrogen...
25	7074863	Metallocene catalysts containing an idenyl moiety substituted at the 4,-5,-6- or 7-position by a siloxy or germyloxy group A metallocene catalyst in which the metal is coordinated by a η5 cyclopentadienyl ligand which forms part of an indenyl or indenyloid moiety, characterized in that said moiety is directly or...
26	7067687	Ultrastable organofunctional microporous to mesoporous silica compositions Mesostructured and microporous to mesoporous organofunctionalized silica compositions are described. The compositions incorporate the organofunctional group L as part of a LSiO 3 unit in the...
27	7049264	Supported catalyst for olefin polymerization A supported catalyst for olefin polymerization comprises A) as support material, a copolymer comprising the monomer units I, II and III, where the monomer units I have the formula...
28	7037872	Metallocene catalysts containing a cyclopentadienyl ligand substituted by a siloxy or germiloxy group containing an olefinic residue The invention relates to a metallocene catalyst in which the metal is coordinated by any η 5 cyclopentadienyl ligand characterised in that said ligand is directly or indirectly substituted by a...
29	7026494	Polymerization catalysts for producing high melt index polymers without the use of hydrogen Various catalyst compositions including the contact product of at least one ansa-metallocene compound, at least one organoaluminum compound, and at least one activator-support are disclosed....
30	7019145	Method for preparing metallic carbene-based catalysts for hydrosilylation of unsaturated compounds and resulting catalysts The invention concerns an improved method for preparing catalysts for hydrosilylation reactions of compounds with ethylene or acetylene unsaturation (for example olefins or acetylene derivatives),...
31	7005398	Olefin polymerization catalyst, catalyst component for olefin polymerization, method of storing these, and process for producing olefin polymer A catalyst is used which comprises a cocatalyst component wherein a non-coordinating ion-containing compound is chemically bonded to a fine particulate carrier, together with a metallocene compound...
32	6992036	Catalyst systems, method for preparing and using same in a polymerization process A polymerization catalyst system and process, which utilizes a Group 14 and Group 16 containing non-crystalline compound to solubilize or emulsify polymerization catalyst components, is disclosed.
33	6939930	Hydrosilane additives for increased polyolefin molecular weight A process for polymerizing olefins is disclosed. The process uses a hydrosilane in a polymerization catalyzed by an open architecture, bridged indenoindolyl organometallic complex and an activator....
34	6900321	Substituted pyridyl amine complexes, and catalysts New ligands, compositions, metal-ligand complexes and arrays with pyridylamine ligands are disclosed that catalyze the polymerization of monomers into polymers. Certain of these catalysts with...
35	6900153	Supported olefin polymerization catalysts A method for forming supported late transition metal olefin polymerization catalysts is described in which an already formed transition metal complex, usually containing a reactive functional...
36	6884749	Supported catalysts which reduce sheeting in olefin polymerization, process for the preparation and the use thereof Olefin polymerization in the presence of heterogeneous supported catalysts is improved by incorporating into the supported catalyst a unifunctional hydrophobic tether comprising a hydrophobic...
37	6881867	Method for hydroformylation, xanthene-bridged ligands and catalyst comprising a complex of said ligands In a process for the hydroformylation of ethylenically unsaturated compounds, at least one complex of a metal of transition group VIII. with at least one phosphorus-, arsenic- or...
38	6875243	Catalysts for preparing polyisocyanates containing isocyanurate groups, and their use Catalysts and processes for preparing polyisocyanates containing isocyanurate groups, and their use, wherein the catalysts are represented by the following formula (1):
39	6858745	Alkyl cobalt (III) dioximates and process for forming the same This invention is directed to alkyl cobalt (III) dioximates and methods for making these dioximates. The alkyl cobalt (III) dioximate has the following structural formula: wherein R 1 , and R...
40	6812303	Olefin polymerizaion catalyst and method for polymerizing an olefin using the catalyst A novel olefin polymerization catalyst comprising: (A) a transition metal compound comprising a transition metal having η-bonded thereto a cyclic anionic ligand; (B) a mixture of (B-1) an...
41	6794327	Supramolecular structures and process for making the same The present invention provides a supramolecular structure produced by the process comprising reacting a multi-generation dendrimer with a monomer, where the dendrimer comprises a core molecule, a...
42	6787676	Process for the preparation of non-chiral and optically active organic compounds containing hydroxyl groups Non-chiral and, in particular, optically active alcohols are prepared from a carbonyl compound with hydrogen in the presence of a catalyst, a base and optionally a diamine in an advantageous manner...
43	6781006	Active catalysts for stereoselective ring-opening reactions A method for making a chiral transition metal-ligand catalyst complex that is active in catalyzing stereoselective ring opening reactions includes contacting an asymmetric tetradentate ligand, in...
44	6780949	Olefin polymerization process Olefin polymerizations employing a complex of a Group 8, 9, or 10 transition metal with a bidentate ligand as part of the polymerization catalyst system are improved by adding to the polymerization...
45	6777566	Process for producing platinum alkenyl polysiloxane complex compounds, especially platinum divinyltetramethyldisiloxane A process for producing platinum alkenyl polysiloxane complex compounds, especially platinum divinyltetramethyldisiloxane, by reacting a haloplatinum compound with at least one alkenyl polysiloxane...
46	6759559	Use of molecular weight-enlarged catalysts in a process for asymmetric, continous hydrogenation, novel molecular weight-enlarged ligands and catalysts The first embodiment of the present invention provides a process, which includes: in a continuous process in a membrane reactor, asymmetrically hydrogenating at least one C═C, C═N or C═O...
47	6723806	Metal complex containing one or more silsesquioxane ligands Metal complex containing one or more silsesquioxane ligands having the formula: Z y (MA x ) b (I) wherein Z is a silsesquioxane ligand according to the formula: (RSiO 1.5 ) m O n B q (II) ...
48	6713643	Ultrastable organofunctional microporous to mesoporous silica compositions Mesostructured and microporous to mesoporous organofunctionalized silica compositions are described. The compositions incorporate the organofunctional group L as part of a LSiO 3 unit in the...
49	6706902	Continuous process for the synthesis of nano-scale precious metal particles The present invention relates to the continuous production of nano-scale precious metal particles on SiH-containing support materials, the compositions themselves, and the use of these precious...
50	6689849	Catalyst for bulk polymerization, catalyst for vapor phase polymerization, method of polymerization using these, and olefin polymer obtained with these The present invention provides a catalyst for bulk or vapor-phase polymerization having high polymerization activity during bulk or vapor-phase polymerization and providing an olefin polymer having...

Matches 1 - 50 out of 353

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