Patents in Class 502/111

Matches 1 - 50 out of 264

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Match	Document	Document Title
1	7569508	Reforming nanocatalysts and method of making and using such catalysts Reforming nanocatalysts are formed using a dispersing agent to increase the activity, selectivity and longevity of the catalyst when used in a reforming process. The nanocatalyst particles are...
2	7544762	Catalyst for preparation of polyester and process for preparing polyester using the catalyst A polyester having a good color tone (a high L value and a low b value) and a low acetaldehyde content is obtained by using a catalyst containing a reaction product of (A) a titanium compound (1)...
3	7518023	Highly active spherical metal support catalysts The invention relates to highly active spherical metal support catalysts with a metal content of 10 to 70% by mass, and a process for their production with the use of a mixture of polysaccharides...
4	7452843	Exhaust treatment devices, catalyst, and methods of making and using the same In one embodiment, an exhaust treatment device includes: a substrate, a shell disposed around the substrate, and a retention material disposed between the shell and the substrate. The substrate...
5	7449423	Heat treatment of anchored nanocatalysts in a non-zero oxidation state and catalysts made by such method A catalyst manufacturing process includes heat treating an intermediate catalyst composition that includes catalyst nanoparticles having catalyst atoms in a non-zero oxidation state bonded to a...
6	7335410	Composition and process for manufacturing polyester The invention relates to a composition suitable for catalysis in a process for the manufacture of polyester containing as Component I a carrier substance on which catalytically effective metal...
7	7271126	Catalyst for the dehydrogenation of ethyl benzene to STYRENE prepared with a high purity iron precursor A method for producing a catalyst for use in the dehydrogenation of ethylbenzene to styrene is disclosed. The catalyst of the present invention comprises a high purity metal and at least one...
8	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...
9	7186667	Catalyst component and catalyst for addition polymerization, and process for producing addition polymer A catalyst component obtained by a process comprising contacting (a), (b) and (c) described below, a catalyst for addition polymerization using the catalyst component, and a process for producing...
10	RE39246	Esterification catalysts and processes therefor and therewith A catalyst composition is disclosed. The composition comprises a titanium compound, a complexing agent, hypophosphorous acid or its metal salt, water and optionally a solvent. The complexing agent...
11	7065450	Process for production of new catalysts using an evolutionary process This invention relates to a process wherein improved production of catalysts is made possible according to an evolutionary method. The principles of mutation and crossing of catalyst components and...
12	7060647	Double metal complex catalyst Process comprising treating a double metal cyanide complex catalyst with sound waves and/or electromagnetic radiation, process for polymerising alkylene oxide in which such catalyst is used, and...
13	6964936	Method of making maximally dispersed heterogeneous catalysts A method of making a catalyst with monolayer or sub-monolayer metal by controlling the wetting characteristics on the support surface and increasing the adhesion between the catalytic metal and an...
14	6881695	Olefin polymerization catalyst and method for producing modified methylaluminoxane for use as olefin polymerization catalyst An olefin polymerization catalyst is provided which makes use of a modified methylaluminoxane and thus stably exhibits an activity equivalent to, or higher than, the activity achieved by...
15	6864208	Method for production of a solid catalyst for olefin polymerization A catalyst solid for olefin polymerization comprising A) at least one magnesium halide, B) at least one metallocene complex and C) at least one compound capable of forming metallocenium...
16	6855654	Bimetallic catalyst for ethylene polymerization reactions with uniform component distribution The invention relates to a process for uniformly dispersing a transition metal metallocene complex on a carrier comprising (1) providing silica which is porous and has a particle size of 1 to 250...
17	6794539	Method for producing multiple-phase multi-metal oxide materials In a process for preparing a multiplephase multimetal oxide composition comprising Mo, V, Cu and, if desired, further elements, at least one phase is preformed separately and dispersed in a...
18	6750170	Sweet MAO Single site catalysts which contain a transition metal, a cyclopentadienyl may be activated with alumoxanes in the gas, solution or group-containing ligand, and a phosphinimine ligand slurry phase...
19	6649731	Catalysts for polyester production, process for producing polyester, and polyester By the present invention, there are provided a catalyst for polyester preparation, which comprises a solid titanium compound containing titanium, oxygen, carbon and hydrogen and having a Ti—O...
20	6632900	Olefin polymer, olefin polymerization catalyst and process for producing olefin polymer An olefin polymerization catalyst obtained by contacting a specific transition metal compound(A), an organoaluminumoxy compound (B) soluble in an aromatic solvent and water (C), and a process for...
21	6632772	Method of coating a catalyst to a support for use in acrolein oxidation A method of coating a catalyst to a support for use in acrolein oxidation reaction. Metallic salt components of the catalyst including molybdate, vanadate and tungstate are dissolved in a liquid to...
22	6617278	Catalyst system for use in ethylene polymerization and copolymerization and process for preparing the same The present invention provides a catalyst system and processes for preparing the system for use in ethylene polymerization and copolymerization. The catalyst system is obtained by dissolving any...
23	6596842	Polymerizing alkylene oxide with sound or radiation treated DMC Process comprising treating a double metal cyanide complex catalyst with sound waves and/or electromagnetic radiation, process for polymerising alkylene oxide in which such catalyst is used, and...
24	6559252	Catalysts and processes for the polymerization of olefins Catalysts for the polymerization of olefins are disclosed, which comprise the product obtained by contacting: (A) a bridged and/or substituted cyclopentadienyl compound of titanium, zirconium or...
25	6559249	Catalyst for producing an ultrahigh molecular weight polyethylene (UHWMP) and method for producing an UHWMP using the same The present invention provides a catalyst for producing an ultra high molecular weight polyethylene and also a method for preparation of an ultra high molecular weight polyethylene with the use of...
26	6555494	Transition metal compounds having conjugate aluminoxate anions, their preparation and their use as catalyst components Novel, highly effective catalyst compositions are described in which a low cost co-catalyst can be employed at very low aluminum loadings. Such compounds are composed of a cation derived from...
27	6544920	Components and catalysts for the polymerization of olefins Solid catalyst component for the polymerization of olefins, includes the product of the direct reaction, with no subsequent reactions with reducing organometallic compounds, between a titanium...
28	6534607	Catalysts and processes for the polymerization of olefins Catalysts for the polymerization of olefins comprise the product of the reaction between: (A) a titanium, zirconium or hafnium product with substituted cyclopentadiene ligands, (B) a mixture of two...
29	6531518	Fischer-Tropsch catalyst enhancement A process of enhancing both the activity and the methane selectivity of a particulate Dispersed Active Metal (“DAM”) hydrogenation catalyst is disclosed wherein the DAM undergoes low...
30	6521560	Solid titanium catalyst component, process for preparing same, olefin polymerization catalyst containing same, and olefin polymerization process This invention provides a solid titanium catalyst component which comprises magnesium, titanium, halogen and an electron donor, is free from elimination of titanium when washed with hexane at room...
31	6486274	Hydrogen response Ziegler-Natta catalyst for narrowing MWD of polyolefin, method of making, method of using, and polyolefins made therewith A Ziegler-Natta type catalyst having an improved hydrogen response provides for narrowing of the MWD of resulting polyolefins polymerized using such catalyst, with such catalyst generally made by...
32	6482967	Metallocenes, polymerization catalyst systems, their preparation, and use Metallocenes having a 9-fluorenyl group and another cyclic dienyl group connected by a single carbon having a terminally unsaturated hydrocarbyl substituent wherein the 9-fluorenyl group has a...
33	6476163	Catalysts for the polymerization of olefins and process for the preparation thereof Catalysts for the polymerization of olefins are disclosed, comprising the product obtainable by contacting: (A) a bridged and/or substituted cyclopentadienyl compound of Ti, Zr or Hf; (B) one or...
34	6417320	Catalyst and method for its production and use The production of linear polyester by the interchange of ester radicals or esterification and polycondensation of multivalent alcohols with multivalent carboxylic acids takes place by means of...
35	6395846	Catalysts for olefin polymer production The invention relates to high-activity catalysts for olefin polymerization, to efficient methods for producing them, and to efficient methods of using the catalysts for producing high-quality...
36	6388028	Components and catalysts for the polymerization of olefins The present invention relates to spherical solid catalyst components for the polymerization of olefins, comprising a titanium compound, supported on a magnesium halide, containing more than one...
37	6372684	Catalyst system for α-olefin oligomerization It is disclosed a new catalyst system, having high catalytic activity in the oligomerization of α-olefins, comprising a bridged bis-amido Group 4 metal compound of formula (I): wherein M is Ti,...
38	6368995	Solid catalysts for the polymerization of olefins and process for the production of olefin polymers therewith A solid catalyst for olefin polymerization, obtained by reacting a least one of a hydropolysiloxane compound, having the formula R 1 a H b SiO (4−a−b)/2 , a silane compound of formula R 2 c...
39	6355593	Fischer-Tropsch catalyst enhancement A process of enhancing both the activity and the methane selectivity of a Dispersed Active Metal (“DAM”) hydrogenation catalyst is disclosed wherein the DAM undergoes low temperature oxidation...
40	6323298	Propylene-based polymer, method for its production, composition thereof, catalyst component for polymerization, and method for its production There are provided a propylene-based polymer characterized in that (1) the xylene-extraction insoluble portion (XI) is 99.0 wt % or greater, (2) the isotactic pentad ratio (IP) is 98.0% or greater...
41	6323148	Ethylene polymerization catalyst and catalyst system An ethylene polymerization catalyst and catalyst system which provides an ethylene copolymer which is characterized by desirable ER shift values. The high level ER shift of these polymers produce...
42	6291385	Catalyst for polymerization or copolymerization of olefin The present invention relates to a catalyst for polymerization or copolymerization of an olefin. The catalyst is produced by first reacting a mixture of a magnesium compound and an aluminum...
43	6291382	Metallocenes, polymerization catalyst systems, their preparation, and use Metallocenes having a 9-fluorenyl group and another cyclic dienyl group connected by a single carbon having a terminally unsaturated hydrocarbyl substituent wherein the 9-fluorenyl group has a...
44	6284701	Metallocene catalysts for olefin polymerization and method of polymerizing olefins using the metallocene catalysts The new metallocene catalysts according to the present invention are prepared by reacting a metallocene compound with a compound having at least two functional groups. The metallocene compound is a...
45	6268453	Polymerization catalyst systems, their preparation, and use A solid cocatalyst is prepared by reacting a suitable support base with an organoaluminum compound and then reacting that product with an activity promoting amount of water. The solid cocatalyst...
46	6268443	Process for producing a solid catalyst component for olefin polymerization and a process for producing an olefin polymer A solid catalyst component for olefin polymerization superior in shatter resistance and narrowness of particle size distribution, is provided, which component is prepared by spraying a...
47	6248685	Catalyst A method of making a catalyst suitable for the polymerization of olefins includes the steps of mixing an ether having a total number of carbon atoms equal to or greater than 8, with hydrated...
48	6235854	Solid titanium catalyst component and its use in olefin polymerization catalyst The invention provides a process for preparing a solid titanium catalyst component for use in the preparation of an olefin polymerization catalyst, which comprises: (1) a step wherein a...
49	6225252	Process for preparing catalyst supports and supported polyolefin catalysts and also their use for the preparation of polyolefins A process for preparing a catalyst support in which a hydrophilic inorganic oxide of an element of main groups 2, 13 or 14 or transition group 4 of the Periodic Table or a mixture or mixed oxide...
50	6200923	Polymerization catalyst composition containing magnesium, titanium, halogen, and carboxylic acid ester A novel soluble composition containing magnesium, titanium, a halogen and a carboxylic acid ester has been invented. The composition has mainly the composition according to Formula (I): (MgX 3 2...

Matches 1 - 50 out of 264

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