| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 502118000 | And a third component C (i.e., an additive other than a saturated hydrocarbon or an aromatic hydrocarbon free of aliphatic or cycloaliphatic unsaturation) | 20 |
| 20110275509 | ZIEGLER-NATTA CATALYST - The present invention relates generally to catalysts, to methods of making catalysts, to methods of using catalysts, to methods of polymerizing, and to polymers made with such catalysts. More particularly, the present invention relates to polyolefin catalysts and to Ziegler-Natta catalysts, to methods of making such catalysts, to methods of using such catalysts, to polyolefin polymerization, and to polyolefins. | 11-10-2011 |
| 502119000 | Non-metallic inorganic halogen containing | 1 |
| 20110160043 | PROCESS FOR THE PREPARATION OF CATALYTIC SUPPORT AND SUPPORTED BIMETALLIC CATALYSTS FOR PRODUCTION OF HOMOPOLYMERS AND COPOLYMERS OF ETHYLENE WITH ALPHA-OLEFINS, OF HIGH AND ULTRA HIGH MOLECULAR WEIGHT AND WITH BROAD MOLECULAR WEIGHT DISTRIBUTION IN SLURRY, BULK AND GAS PHASE PROCESSES AND PRODUCTS THEREOF - The present invention relates to a process for the preparation of catalytic support and the supported bimetallic catalysts, used in the production of ethylene homopolymers and ethylene copolymers with α-olefins, of high and ultra high molecular weight with broad molecular weight distribution, in gas or liquid phase polymerization processes, the latter being in slurry, bulk or suspension, and the products obtained from these processes. | 06-30-2011 |
| 502122000 | Nonmetallic organic sulfur containing | 1 |
| 20160102159 | Olefin Polymerization Catalyst and a Combined Catalyst Containing the Same - The present disclosure provides an olefin polymerization catalyst and a combined catalyst containing the same. The catalyst comprises a reaction product of a magnesium dialkoxide, a titanium compound, an electron donor compound A and an electron donor compound B, wherein the electron donor compound A is a sulfonyl compound represented by general formula I, X is a disubstituted or unsubstituted group 14 element atom, a monosubstituted or unsubstituted group 15 element atom or group 16 element atom, and the substituent is a monocyclic, polycyclic or heteroatom-containing cyclic group or an aliphatic chain; R | 04-14-2016 |
| 502123000 | Nonmetallic organic nitrogen containing | 5 |
| 20110124491 | Self-Limiting Catalyst Composition with No Silane - A catalyst composition for the polymerization of propylene is provided. The catalyst composition includes one or N more Ziegler-Natta procatalyst compositions having one or more transition metal compounds and an internal electron donor, one or more aluminum containing cocatalysts, and a selectivity control agent (SCA), The SCA is a mixture of an activity limiting agent (ALA) and selectivity determining agent (SDA) such as a non-silane composition. The present catalyst composition is silane-tree, has high catalyst activity and high stereoselectivity, and is self-extinguishing. | 05-26-2011 |
| 20130237407 | Fibres and Nonwoven Prepared from Polypropylene Having a Large Dispersity Index - The present invention relates to a process for the production of fibres and filaments with polypropylene having a broad polydispersity index. The present invention also relates to high elongation nonwoven prepared from such fibres and filaments. It further relates to films and laminates prepared from high elongation nonwoven. | 09-12-2013 |
| 20140128250 | Catalyst Composition for the Copolymerization of Propylene - The present invention relates to a process for the production of propylene polymers in the presence of a Ziegler-Natta catalyst comprising a titanium compound having at least one titanium-halogen bond, and a blend of a diether compound and a succinate compound as internal electron donor, all supported on a magnesium halide in active form, an organoaluminium compound and an optional external donor. | 05-08-2014 |
| 502124000 | Including element in addition to carbon, hydrogen, and nitrogen (e.g, nitro, etc.) | 2 |
| 20110152067 | Self-Limiting Catalyst System with Controlled Aluminum to SCA Ratio and Method - A catalyst composition for the polymerization of propylene is provided. The catalyst composition includes one or more Ziegler-Natta procatalyst compositions having one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors, one or more aluminum containing cocatalysts and a selectivity control agent (SCA). The SCA is a mixture of an activity limiting agent and a silane composition. The catalyst composition has a molar ratio of aluminum to total SCA from 0.5:1 to 4:1. This aluminum/SCA ratio improves polymerization productivity and the polymer production rate. The catalyst composition is self-extinguishing. | 06-23-2011 |
| 20110177935 | METHOD FOR PREPARING TRANSITION METAL COMPLEXES, TRANSITION METAL COMPLEXES PREPARED USING THE METHOD, CATALYST COMPOSITION CONTAINING THE COMPLEXES - The present invention provides a novel transition metal complex where a monocy-clopentadienyl ligand to which an amido group is introduced is coordinated, a method for synthesizing the complex, and olefin polymerization using the same. The method for preparing a transition metal complex according to the present invention comprises a step of blocking a by-reaction of a nitrogen atom using a compound containing a protecting group, and thus it is possible to prepare a transition metal complex in a simpler manner in a high yield. Further, the transition metal complex according to the present invention has a pentagon ring structure having an amido group connected by a phenylene bridge in which a stable bond is formed in the vicinity of a metal site, and thus, sterically monomers can easily approach the transition metal complex. | 07-21-2011 |
| 502125000 | Nonmetallic organic oxygen containing | 10 |
| 20140171294 | Olefin Polymerisation Catalyst Containing a Cycloakane Dicarboxylate as Electron Donor - A catalyst system useful in polymerizing olefins comprising a solid, hydrocarbon-insoluble catalyst component containing magnesium, titanium and halogen and an internal or external electron donor comprising a substituted hydrocarbyl four to eight-membered cycloalkane dicarboxylate wherein the substituents are positioned on the cycloalkane to place the dicarboxylate groups into adjacent conformational positions and wherein the substitutes contain 1 to 20 carbon atoms and may be joined to the cycloalkane structure to form a bicyclo structure. | 06-19-2014 |
| 502126000 | Ether | 3 |
| 20100273641 | Self-Limiting Catalyst Composition with Non-Phthalate Internal Donor - A catalyst composition for the polymerization of propylene is provided. The catalyst composition includes one or more Ziegler-Natta procatalyst compositions having one or more transition metal compounds and an internal electron donor, one or more aluminum containing cocatalysts, and an external electron donor. The internal electron donor is a bidentate compound excluding plithalates. Suitable bidentale compounds include diethers, succinates, dialkoxybenzenes and diol esters. The external electron donor is a mixture of an activity limiting agent and selectivity determining agent. The present catalyst composition has high catalyst activity and high stereoselectivity, and is self-extinguishing. | 10-28-2010 |
| 20120157296 | Catalyst Composition with Halo-Malonate Internal Electron Donor and Polymer From Same - Disclosed herein are procatalyst compositions, catalyst compositions and polymers, i.e., propylene-based polymers, produced therefrom. The present procatalyst compositions contain a halo-malonate and a 2-fluoro-malonate in particular. The present catalyst compositions improve catalyst selectivity, improve catalyst activity, and also improve hydrogen response during polymerization. Propylene-based polymer produced from the present catalyst composition has a melt flow rate greater than 50 g/10 min. | 06-21-2012 |
| 20160145358 | 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. | 05-26-2016 |
| 502127000 | Ester | 6 |
| 20100317510 | Self Limiting Catalyst Composition and Propylene Polymerization Process - A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors; one or more aluminum containing cocatalysts; a selectivity control agent (SCA) comprising at least one silicon containing compound containing at least one C | 12-16-2010 |
| 20130150234 | Catalyst Composition with Halo-Malonate Internal Electron Donor and Polymer From Same - Disclosed herein are procatalyst compositions, catalyst compositions and polymers, i.e., propylene-based polymers, produced therefrom. The present procatalyst compositions contain a halo-malonate and a 2-fluoro-malonate in particular. The present catalyst compositions improve catalyst selectivity, improve catalyst activity, and also improve hydrogen response during polymerization. Propylene-based polymer produced from the present catalyst composition has a melt flow rate greater than 50 g/10 min. | 06-13-2013 |
| 20130196847 | CATALYST CARRIER FOR OLEFIN POLYMERIZATION, SOLID CATALYST COMPONENT AND CATALYST - The invention relates to a dialkoxyl magnesium carrier, which is a product produced by a reflux reaction of magnesium, an alcohol and mixed halogenated agents under an inert atmosphere. The mixed halogenated agents are iodine and magnesium chloride, and the weight ratio between iodine and magnesium chloride is 0.05:1-1:0.01. The dialkoxyl magnesium carrier is spheroid with uniform particle size distribution, excellent particle morphology and high bulk density. A solid catalyst component and a catalyst based on this carrier for olefin polymerization are also provided, and olefin polymers having a wide molecular weight distribution, good stereoregularity, excellent particle morphology and a low content of fine powders can be obtained. | 08-01-2013 |
| 20140135205 | SOLID CATALYST COMPONENT FOR OLEFIN POLYMERIZATION, AND CATALYST - A solid catalyst component for olefin polymerization and a catalyst are disclosed that exhibit high catalytic activity when used for gas-phase polymerization, suppress rapid reactions in the initial stage of polymerization relative to the polymerization activity, and can produce a propylene polymer in high yield while maintaining high stereoregularity. The solid catalyst component for olefin polymerization includes magnesium, titanium, a halogen, and an internal electron donor, the solid catalyst component including an asymmetrical phthalic diester represented by the following general formula (1) in a molar ratio of 0.2 to 0.8 relative to the total content of the internal electron donor. | 05-15-2014 |
| 20140274668 | 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. | 09-18-2014 |
| 20150133289 | CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS - Catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor compound of the following formula (I) | 05-14-2015 |
| 502128000 | Nonmetallic organic halide | 1 |
| 20110034323 | Solid catalyst component for olefin polymerization - A solid catalyst component for olefin polymerization, comprising titanium atoms, magnesium atoms, halogen atoms and hydrocarbyloxy groups, wherein the following filtrate contains titanium atoms in a concentration of 0.08 mg-Ti/ml-filtrate or lower, measured according to a method comprising the steps of (1) preparing a suspension of the solid catalyst component for olefin polymerization in heptane having a concentration of 0.1 g-solid catalyst component/ml-suspension, (2) heating the suspension at 70° C. for 30 minutes under stirring, (3) filtering the suspension, thereby obtaining a filtrate, and (4) measuring a concentration of titanium atoms contained in the filtrate; and a production process of the solid catalyst component. | 02-10-2011 |
| 502129000 | Metal compound other than which could be produced in situ by reaction of a Group IA, IIA, or Group IIIA metal compound present with a titanium or vanadium compound present | 1 |
| 502132000 | Aluminum compound | 1 |
| 20080261804 | Oxygen-Bridged Bimetallic Complex, the Production Thereof and Its Utilization for Polymerization Catalysis - The binoclear, oxygen-bridged, hetero-bimetallic complexes of general formula [(LM | 10-23-2008 |
