Class / Patent application number | Description | Number of patent applications / Date published |
502104000 | Preparing catalyst or precursor | 44 |
20090181845 | MAGNESIUM COMPOUND, SOLID CATALYST COMPONENT, OLEFIN POLYMERIZATION CATALYST, AND METHOD FOR PRODUCING OLEFIN POLYMER - A method of producing a magnesium compound by reacting the following components (i), (ii) and (iii): | 07-16-2009 |
20100029468 | Controlled Distribution of Active Sites in Ziegler-Natta Catalyst Systems - The present invention provides a method for improving and controlling the activity of Ziegler-Natta catalyst systems. | 02-04-2010 |
20100056359 | PROCESS FOR PREPARING AN OLEFIN POLYMERISATION CATALYST COMPONENT WITH IMPROVED HIGH TEMPERATURE ACTIVITY - The invention refers to a process for increasing the polymerization activity of a titanium containing catalyst, in particular an olefin polymerization catalyst component in particulate form having an improved high temperature activity and the use thereof in a process for polymerizing olefins. | 03-04-2010 |
20110009257 | OLEFIN POLYMERISATION CATALYST - The present invention relates to particulate olefin polymerisation catalyst components comprising an alkaline earth metal, a compound of a transition metal and an electron donor, characterized in that the catalyst particle size distribution of the catalyst component is essentially monomodal and has a SPAN value below 1.2, where SPAN is defined as: (Particle diameter at 90% cumulative size)-(Particle diameter at 10% cumulative size)/(Particle diameter at 50% cumulative size). The particulate olefin polymerisation catalyst components of the present invention are provided by a process which comprises preparing a solution of a complex of an alkaline earth metal and an electron donor by reacting a compound of said metal with said electron donor or a precursor thereof in an organic liquid reaction medium, reacting said complex in the solution form with a compound of a transition metal to produce a dispersion, wherein the dispersed phase predominantly contains the alkaline earth metal in said complex, and solidifying said dispersed phase to obtain said catalyst component, and is characterized in that a second organic liquid medium is added to the reactor after mixing the alkaline earth metal complex with the transition metal compound. | 01-13-2011 |
20110021343 | Methods of Preparation of an Olefin Oligomerization Catalyst - A method of making a catalyst for use in oligomerizing an olefin comprising a chromium-containing compound, a pyrrole-containing compound, a metal alkyl, a halide-containing compound, and optionally a solvent, the method comprising contacting a composition comprising the chromium-containing compound and a composition comprising the metal alkyl, wherein the composition comprising the chromium-containing compound is added to the composition comprising the metal alkyl. | 01-27-2011 |
20110130271 | ZIEGLER-NATTA CATALYST COMPOSITIONS FOR PRODUCING POLYETHYLENES WITH A HIGH MOLECULAR WEIGHT TAIL AND METHODS OF MAKING THE SAME - Methods of preparing a polymerization catalyst component is provided, in which a magnesium component, a Lewis acid solubilizing component, a titanium compound, optionally a transition metal compound different than the titanium compound, and typically an inert filler are combined in a slurrying agent and spray-dried to produce a catalyst precursor in the form of a substantially spherical and porous solid particle. The methods and catalysts of this disclosure can provide ethylene homopolymer and copolymer resins having a high molecular weight tail and a broadened molecular weight distribution as compared to more traditional Ziegler-Natta catalysts. | 06-02-2011 |
20120083405 | Ziegler-Natta Catalyst Systems and Polymers Formed Therefrom - Processes of forming catalyst systems, catalyst systems and polymers formed therefrom are described herein. The processes generally include providing a first compound including a magnesium dialkoxide, contacting the first compound with a second compound to form a solution of reaction product “A”, wherein the second compound is generally represented by the formula: | 04-05-2012 |
20120149552 | Processes For Making Multimodal Molecular Weight Distribution Polyolefins - This invention relates to a process to make a multimodal polyolefin composition comprising: (i) contacting at least one first olefin monomer with a mixed catalyst system, under polymerization conditions, to produce at least a first polyolefin component having a Mw of 5,000 g/mol to 600,000 g/mol, wherein the mixed catalyst system comprises: (a) at least one polymerization catalyst comprising a Group 4 or Group 5 transition metal; (b) at least one organochromium polymerization catalyst; (c) an activator; and (d) a support material; (ii) thereafter, contacting the first polyolefin component/mixed catalyst system combination with a molecular switch; (iii) contacting the first polyolefin component/mixed catalyst system combination with at least one second olefin monomer, which may be the same or different, under polymerization conditions; and (iv) obtaining a multimodal polyolefin composition. | 06-14-2012 |
20130017946 | PREPARATION METHOD OF SOLID CATALYST FOR PROPYLENE POLYMERIZATION AND CATALYST PREPARED THEREBYAANM Kim; Sang YullAACI Seosan-siAACO KRAAGP Kim; Sang Yull Seosan-si KRAANM Lee; Jin WooAACI Seosan-siAACO KRAAGP Lee; Jin Woo Seosan-si KRAANM Kim; Eun IlAACI DaejeonAACO KRAAGP Kim; Eun Il Daejeon KRAANM Park; Joon RyeoAACI SeoulAACO KRAAGP Park; Joon Ryeo Seoul KR - Disclosed are a method for preparing a solid catalyst for propylene polymerization and a catalyst prepared thereby. Specifically, disclosed are a method for preparing a solid catalyst for propylene polymerization which can prepare polypropylene having excellent stereoregularity with a high production yield by using silane compounds and bicycloalkanedicarboxylate or bicycloalkenedicarboxylate as an internal electron donor, and a catalyst prepared thereby method for preparing polypropylene using the same. | 01-17-2013 |
20130045862 | Process for the Preparation of a Solid Metallocene Catalyst System and its use in Polymerisation of Olefins - Process for the preparation of a solid olefin polymerisation catalyst system, comprising an organometallic compound of a transition metal of Group 3 to 10 of the Periodic Table (IUPAC 2007) in the form of solid particles comprising the steps of I) generating an emulsion by dispersing a liquid clathrate in a solvent (S) wherein (i) the solvent (S) constitutes the continuous phase of the emulsion and comprises a nonreactive fluorinated synthetic oil having a viscosity at 20° C. according to ASTM D445 of at least 10 cSt up to 2000 cSt (ii) the liquid clathrate constitutes in form of droplets the dispersed phase of the emulsion, II) solidifying said dispersed phase to convert said droplets to solid particles and III) optionally recovering said particles to obtain said catalyst system, wherein the liquid clathrate comprises (a) a lattice being the reaction product of a1) a transition metal compound of formula (I) L | 02-21-2013 |
20130137568 | Internal Donor Structure for Olefin Polymerization Catalysts and Methods of Making and Using Same - The presently disclosed and claimed inventive concept(s) relates to solid catalyst components comprising titanium, magnesium, halogen and an internal electron donor compound having at least one ester group and at least one alkoxy group, and catalyst systems containing the catalyst solid components, organoaluminum compounds, and organosilicon compounds. The presently disclosed and claimed inventive concept(s) further relates to methods of making the catalyst components and the catalyst systems, and methods of polymerizing or copolymerizing alpha-olefins using the catalyst systems. | 05-30-2013 |
20130237405 | Metallocene and a New Single Site Catalyst Component - The present invention discloses a catalyst system based on a metallocene catalyst component and a new single site catalyst component for the production in a single reactor of improved polyolefins having a bimodal molecular weight distribution. | 09-12-2013 |
20130237406 | SOLID CATALYST FOR THE POLYMERIZATION OF PROPYLENE, AND METHOD FOR PREPARING SAME - Provided are a solid catalyst for propylene polymerization and a method for preparing the same, specifically a solid catalyst for propylene polymerization which does not contain any environmentally harmful material and can produce a polypropylene having excellent stereoregularity with a high production yield, and a method for preparing the catalyst. | 09-12-2013 |
20130267407 | METHOD OF PREPARING METALLOCENE CATALYSTS - Methods of preparing silica-supported catalysts useful for olefin polymerization are described. The catalysts comprise a metallocene complex. An activator mixture made from a boron acid compound and methylalumoxane is combined with either: (i) the metallocenecomplex, followed by calcined or chemically treated silica to give a supported catalyst; or (ii) calcined or chemically treated silica, followed by the metallocenecomplex to give a supported catalyst. The methods provide active supported catalysts. | 10-10-2013 |
20130310245 | PROCESS FOR POLYMERISATION OF ETHYLENE - The present invention is directed to a process for the production of high density polyethylene by polymerisation of ethylene in the presence of a supported chromium oxide based catalyst which is modified with an organic compound comprising oxygen and a nitrogen atom which is selected from the group consisting of saturated heterocyclic organic compounds with a five or six membered ring, amino esters and amino alcohols. Such organic compounds allow manufacturing of HDPE with increases molecular weight distribution and increased molecular weight. | 11-21-2013 |
20160251455 | Methods of Preparation of an Olefin Oligomerization Catalyst | 09-01-2016 |
502107000 | Including heating to higher temperature | 15 |
20080287285 | RHODIUM CONTAINING CATALYSTS - The present invention addresses at least four different aspects relating to catalyst structure, methods of making those catalysts and methods of using those catalysts for making alkenyl alkanoates. Separately or together in combination, the various aspects of the invention are directed at improving the production of alkenyl alkanoates and VA in particular, including reduction of by-products and improved production efficiency. A first aspect of the present invention pertains to a unique palladium/gold catalyst or pre-catalyst (optionally calcined) that includes rhodium or another metal. A second aspect pertains to a palladium/gold catalyst or pre-catalyst that is based on a layered support material where one layer of the support material is substantially free of catalytic components. A third aspect pertains to a palladium/gold catalyst or pre-catalyst on a zirconia containing support material. A fourth aspect pertains to a palladium/gold catalyst or pre-catalyst that is produced from substantially chloride free catalytic components. | 11-20-2008 |
20090197762 | Solid catalyst component for olefin polymerization, catalyst for olefin polymerization and process for producing olefin polymer - A solid catalyst component for olefin polymerization in which the molar ratio of residual alkoxy groups to supported titanium is 0.60 or less is obtained by reacting the following compound (a1) with the following compound (b1) at a hydroxyl group/magnesium molar ratio of 1.0 or more, reacting the reaction mixture with the following compound (c1) at a halogen/magnesium molar ratio of 0.20 or more, reacting the resultant reaction mixture with the following compounds (d1) and (e) at a temperature of 120° C. or higher but 150° C. or lower, washing the reaction mixture with an inert solvent, reacting the reaction mixture with the following compound (e) again at the above temperature and washing the reaction mixture with an inert solvent, whereby there can be provided the solid catalyst component for olefin polymerization and a catalyst for olefin polymerization which have high polymerization activity and give an olefin polymer having a less residual Cl content and being excellent in stereoregularity and powder form and a process for producing an olefin polymer,
| 08-06-2009 |
20090305875 | CATALYST WITH AL-ALKOXY COMPONENT - The invention refers to a process for preparing a Group 2 metal/transition metal olefin polymerization catalyst component in particulate form having an improved high temperature activity and the use thereof in a process for polymerising olefins. | 12-10-2009 |
20100105543 | PREPARATION METHOD OF A SOLID TITANIUM CATALYST FOR OLEFIN POLYMERIZATION - A preparation method of a solid titanium catalyst for olefin polymerization characteristically comprises the steps of: (1) obtaining a magnesium compound solution by dissolving a magnesium halide compound in an oxygen-containing solvent that is a mixed solvent of a cyclic ether and at least one of alcohols; (2) preparing a carrier by primarily reacting the obtained magnesium compound solution with a titanium halide compound at −10-30° C., then raising a temperature or aging so as to obtain particles, and secondly reacting the particles with a titanium halide compound; (3) preparing a catalyst by reacting the carrier with a titanium halide compound and an electron donor of phthalic acid dialkylester having a C9-13 alkyl group; and (4) washing the prepared catalyst with a hydrocarbon solvent at 40-200° C. | 04-29-2010 |
20100173769 | Enhanced Procatalyst Composition and Process - Disclosed herein are processes for preparing procatalyst compositions and polymers, i.e., propylene-based polymers, produced therefrom. The present procatalyst compositions improve catalyst selectivity and also increase the bulk density of the formant polymer. | 07-08-2010 |
20120035047 | CATALYST AND PROCESS FOR OBTAINING CATALYST OF HIGH ACTIVITY - The present invention relates to a process for obtaining a catalyst of high activity based on a mixture of supports, more specifically, the mixture of supports being Al | 02-09-2012 |
20120157295 | Process for Producing Procatalyst Composition with Alkoxyalkyl Ester Internal Electron Donor and Product - Disclosed herein are processes for preparing procatalyst compositions with an internal electron donor containing greater than 4.5 wt % of a compounded alkoxyalkyl ester. Also disclosed are catalyst compositions containing the procatalyst composition and polymers, i.e., propylene-based polymers, produced therefrom. The present procatalyst compositions improve catalyst selectivity, catalyst activity, procatalyst morphology and polymer particle morphology, and improve hydrogen response during olefin polymerization. | 06-21-2012 |
20120277090 | EMULSION PROCESS FOR IMPROVED LARGE SPHERICAL POLYPROPYLENE CATALYSTS - Disclosed are spherical magnesium-based catalyst supports and methods of using the same in a Ziegler-Natta catalyst system for the polymerization of an olefin. The spherical magnesium-based catalyst supports are made by reacting a magnesium halide, a haloalkylepoxide, and a phosphate acid ester in an organic solvent that does not have to contain substantial amounts of toluene. | 11-01-2012 |
20130040805 | SOLID CATALYST COMPONENT AND PROCESS FOR THE (CO)POLYMERIZATION OF ETHYLENE - Catalyst and solid component of catalyst for the (co)polymerization of ethylene, comprising titanium, magnesium, chlorine, a protic organo-oxygenated compound D | 02-14-2013 |
20130225398 | Process for Producing Procatalyst Composition with Alkoxyalkyl Ester Internal Electron Donor and Product - Disclosed herein are processes for preparing procatalyst compositions with an internal electron donor containing greater than 4.5 wt % of a compounded alkoxyalkyl ester. Also disclosed are catalyst compositions containing the procatalyst composition and polymers, i.e., propylene-based polymers, produced therefrom. The present procatalyst compositions improve catalyst selectivity, catalyst activity, procatalyst morphology and polymer particle morphology, and improve hydrogen response during olefin polymerization. | 08-29-2013 |
20140128249 | PRECURSOR FOR POLYOLEFIN CATALYST - The present invention provides titanium based precursor for polyolefin catalyst with desired morphology and high particle strength. The of preparation of the precursor in accordance with the present invention obviates the use of iodine. | 05-08-2014 |
20140357477 | PREPARATION OF PHTHALATE FREE ZN PP CATALYSTS - Process for the preparation of new particulate olefin polymerisation catalyst components using a special alcohol mixture as well as the use of said new catalyst components for preparing a catalyst used in polymerisation processes. | 12-04-2014 |
20140378298 | CATALYST COMPONENT - The invention relates to a particulate Group 2 metal/transition metal olefin polymerisation catalyst component comprising a special 1,3-diether as internal donor, to a process for preparing same and to the use of such a catalyst component for pre paring a catalyst used in the polymerisation of olefins. | 12-25-2014 |
20170233506 | FLUORINATED CATALYST SUPPORTS AND CATALYST SYSTEMS | 08-17-2017 |
20190143307 | Cu-based catalyst, its preparation process and use thereof | 05-16-2019 |
502108000 | Utilizing hydrocarbon containing unsaturation not part of benzene ring | 3 |
20140005034 | METHOD FOR PREPARING A CATALYST COMPOSITION FOR OLIGOMERIZATION OF ETHYLENE AND RESPECTIVE CATALYST COMPOSITION PRE-FORMATION UNIT | 01-02-2014 |
20150298112 | METHOD FOR PRODUCING CATALYST COMPOSITION FOR HYDROGENATION AND CATALYST COMPOSITION FOR HYDROGENATION - A method for producing a catalyst composition for hydrogenation, wherein:
| 10-22-2015 |
20160194413 | CATALYST WITH AL-ALKOXY COMPONENT | 07-07-2016 |
502110000 | Including plural additions of Component A | 2 |
20090018012 | Process for Producing Olefin Copolymerization Catalyst and Process for Producing Olefin Copolymer - A process for producing an olefin copolymerization catalyst, comprising the step of contacting, with one another, (A) a solid catalyst component containing a titanium atom, a magnesium atom and a halogen atom, (B) an organoaluminum compound and/or organoaluminumoxy compound, and (C) a nitrogen-containing aromatic heterocyclic compound, whose one or more carbon atoms adjacent to its nitrogen atom are linked to an electron-withdrawing group, or a group containing an electron-withdrawing group; and a process for producing an olefin copolymer using the an olefin copolymerization catalyst. | 01-15-2009 |
20150105238 | ACTIVATOR COMPOSITIONS, THEIR PREPARATION, AND THEIR USE IN CATALYSTS - This invention provides activator precursor compositions and activator compositions. The activator precursor compositions are formed from a support material, a linking compound, and polyfunctional compounds having at least two aromatic groups in which at least two of said aromatic groups each has at least one polar moiety thereon. The activator compositions are formed from a support material, a linking compound, an aluminoxane, and a polyfunctional compound having at least two aromatic groups in which at least two of said aromatic groups each has at least one polar moiety thereon. Also provided are catalyst compositions, processes for forming catalyst compositions, and polymerization processes utilizing the catalyst compositions of this invention. | 04-16-2015 |
502111000 | Utilizing water or compound containing hydroxy bonded to carbon | 8 |
20090124487 | Polyolefins - Process for making copolymer (eg elastomeric copolymer) by copolymerising (1) ethylene with (2) at least one comonomer aliphatic C | 05-14-2009 |
20090186755 | MAGNESIUM COMPOUND, SOLID CATALYST COMPONENT, CATALYST FOR OLEFIN POLYMERIZATION AND METHOD OF PRODUCING POLYOLEFIN - A method for producing magnesium compound represented by formula (I): | 07-23-2009 |
20090215611 | PREPARATION METHOD OF CATALYST FOR ETHYLENE POLYMERIZATION AND COPOLYMERIZATION - Provided is a preparation method of a catalyst for ethylene (co)polymerization, comprising the following steps: (1) preparing a magnesium compound solution by contact-reacting a halogenated magnesium compound with a mixed solvent of cyclic ether and at least one alcohol; (2) reacting the resulted magnesium compound solution from the above step (1) with a silicon compound having at least one alkoxy group; (3) preparing a support by adding a titanium compound to the resulted product from the step (2); and (4) reacting thus obtained support with a titanium compound and optionally a monoester compound, resulting in a catalyst. Catalysts prepared according to the present invention have a regulated particle shape, and their particle size can be easily adjusted. Therefore, with such catalyst, it is possible to produce polymers having high bulk density at high production yield. | 08-27-2009 |
20110275508 | Solid catalyst component for olefin polymerization, catalyst for olefin polymerization and process for producing olefin polymer - A solid catalyst component for olefin polymerization in which the molar ratio of residual alkoxy groups to supported titanium is 0.60 or less is obtained by reacting the following compound (a1) with the following compound (b1) at a hydroxyl group/magnesium molar ratio of 1.0 or more, reacting the reaction mixture with the following compound (c1) at a halogen/magnesium molar ratio of 0.20 or more, reacting the resultant reaction mixture with the following compounds (d1) and (e) at a temperature of 120° C. or higher but 150° C. or lower, washing the reaction mixture with an inert solvent, reacting the reaction mixture with the following compound (e) again at the above temperature and washing the reaction mixture with an inert solvent, whereby there can be provided the solid catalyst component for olefin polymerization and a catalyst for olefin polymerization which have high polymerization activity and give an olefin polymer having a less residual Cl content and being excellent in stereoregularity and powder form and a process for producing an olefin polymer,
| 11-10-2011 |
20130244863 | Catalyst Component For High Activity And High Stereoselectivity In Olefin Polymerization - What is disclosed is a method for preparing a catalyst system and a catalyst system for polymerizing or copolymerizing an α-olefin. Catalyst component (A) is obtained by a process of reacting a magnesium complex (A-1) containing acid salts of group IB-VIIIB elements formed by contacting a magnesium halide with an acid salt solution of group IB-VIIIB metals or spherical particles adducts, an internal electron donor (A-2) of diester or diether or composite compounds, and a titanium compound (A-3). The catalyst compound (A) is contacted with a silicon compound (B) and an organoaluminium compound (C) to complete the catalyst system providing a good balance of catalyst performance in terms of activity and stereo-specificity. | 09-19-2013 |
20150315308 | Methods of Integrating Aluminoxane Production Into Catalyst Production - Methods for integrating aluminoxane production into catalyst production are disclosed. | 11-05-2015 |
20160009833 | Particle Size Distribution Control Through Internal Donor in Ziegler-Natta Catalyst | 01-14-2016 |
20160032024 | Activating Agents for Hafnium-Based Metallocene Components - The present invention discloses an active metallocene catalyst system prepared with a hafnium-based metallocene catalyst system and an activating agent comprising an aluminoxane and a sterically hindered Lewis base. | 02-04-2016 |