| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 526154000 | Material contains aluminum compound wherein aluminum atom is not bonded to hydrogen or carbon atom | 22 |
| 20080255328 | Method For Metathesis of Compounds Comprising an Olefinic Double Bond, in Particular Olefins - The invention relates to a method for metathesis of one or several reagents comprising a linear or branched hydrocarbon chain containing a double olefinic bond Csp | 10-16-2008 |
| 20080281060 | Process For Polymerizaing 1-Hexene or Higher Alpha-Olefins - A process for preparing a polymer containing derived units of one or more alpha olefins of formula CH | 11-13-2008 |
| 20080281061 | Process for Polymerizaing 1-Hexene or Higher Alpha-Olefins - A process for preparing a polymer containing derived units of one or more alpha olefins of formula CH | 11-13-2008 |
| 20090023875 | Process for Controlling Morphology of Ziegler-Natta Catalysts - Disclosed is a process for making a Ziegler-Natta catalyst having controlled particle size and distribution. It comprises altering the precipitation of a catalyst component from a catalyst synthesis solution including a soluble magnesium containing catalyst precursor by controlling the concentration of either the soluble magnesium containing catalyst precursor, wherein the average particle size of the catalyst component is increased, and the particle size distribution increased, with a decreased concentration of the soluble magnesium containing catalyst precursor; or of the precipitating agent, wherein the average particle size of the catalyst component is increased, and the particle size distribution increased with an increased concentration of the precipitating agent. Use of the invention enables improved catalyst consistency regardless of production scale and customizing of catalyst morphology to desired polymer morphology. The novel catalyst components may be used to prepare polymers, and end-use articles therefrom, having desirable properties. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. | 01-22-2009 |
| 20090111955 | Fluorinated Impregnated Catalyst Systems and Methods of Forming the Same - Methods of forming supported catalyst systems, supported catalyst systems and polymerization processes utilizing the supported catalyst systems are described herein. The methods generally include providing an inorganic support material and contacting the inorganic support material with a support solvent to form a support solution. The methods further include contacting the support solution with a fluorine containing compound represented by the formula AlF | 04-30-2009 |
| 20090209713 | Oligomerisation of Olefinic Compounds in the Presence of an Oligomerisation Catalyst, and a Catalyst Activator Including a Halogenated Organic Group - According to the present invention there is provided a process for producing an oligomeric product by the oligomerisation of at least one olefiπic compound, by contacting the at least one olefinic compound with the combination of an oligomerisation catalyst and a catalyst activator. The catalyst activator is a compound which includes at least one halogenated organic group which is bound to one or more binding atoms selected from the group consisting of a group 5A atom and a group 6A atom, which one or more binding atoms are in turn bound to a central atom selected from the group consisting of a group 3A atom, and a group 3B to 7B transition metal atom. The oligomerisation catalyst includes the combination of i) a source of a transition metal; and ii) a ligating compound of the formula (R | 08-20-2009 |
| 20090247716 | Production of Vinylidene-Terminated Polyolefins Via Quenching with Monosulfides - Provided herein are methods for a vinylidene terminated polyolefin comprising:
| 10-01-2009 |
| 20100022726 | Pyridyldiamido Transition Metal Complexes, Production And Use Thereof - Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization. The ligands are tridentate with an NNN configuration. The general formula is: (I) | 01-28-2010 |
| 20100099835 | Production of Vinylidene-Terminated and Sulfide-Terminated Telechelic Polyolefins Via Quenching with Disulfides - Provided herein are methods for preparing vinylidene-terminated polyolefins. Further, provided herein are novel sulfide-terminated polyolefins of the formula: | 04-22-2010 |
| 20110040052 | Processes for Controlling the Viscosity of Polyalphaolefins - The invention relates to a process for forming a polyalphaolefin, the process comprising the step of polymerizing at least one C | 02-17-2011 |
| 20110065876 | ALUMINUM PHENOXIDE COMPOUND AND PROCESS FOR PRODUCING STABILIZED POLYMER BY USING THE SAME - The invention relates to an aluminum phenoxide compound produced without using aromatic solvent and represented by general formula (I) below. A stabilized polymer can be produced by adding the aluminum phenoxide compound to a catalyst system or a polymerization system before or during polymerization. | 03-17-2011 |
| 20110184138 | Catalyst and Compositions and Methods of Making and Using the Same - Catalyst compositions for the polymerization of olefins having improved flowability properties are provided. | 07-28-2011 |
| 20110313118 | FLUORINATED IMPREGNATED CATALYST SYSTEMS AND METHODS OF FORMING THE SAME - Methods of forming supported catalyst systems, supported catalyst systems and polymerization processes utilizing the supported catalyst systems are described herein. The methods generally include providing an inorganic support material and contacting the inorganic support material with a support solvent to form a support solution. The methods further include contacting the support solution with a fluorine containing compound represented by the formula AlF | 12-22-2011 |
| 20140243491 | Half-Metallocene Compounds and Catalyst Compositions - The present invention provides polymerization catalyst compositions employing half-metallocene compounds with a heteroatom-containing ligand bound to the transition metal. Methods for making these hybrid metallocene compounds and for using such compounds in catalyst compositions for the polymerization of olefins also are provided. | 08-28-2014 |
| 20140296457 | CATALYST PRECURSOR AND CATALYST FOR THE POLYMERISATION OF ETHYLENE - The invention is directed to a catalyst precursor for an ethylene polymerization catalyst comprising a porous inogranic support material carrying a chromium salt and an aluminium chelate. The aluminium chelate is aluminium di(C | 10-02-2014 |
| 20150148503 | NOVEL BIMETALLIC COBALT-ALUMINUM ADDUCT CATALYST SYSTEM FOR PREPARING HIGH TRANS-1,4-POLYBUTADIENE - The present invention relates to preparing high 1,4-trans-polybutadiene by polymerizing 1,3-butadiene or a butadiene derivative in a non-polar solvent in the presence of a catalyst system comprising a novel bimetallic cobalt-aluminum adduct, which makes it possible to prevent gel formation, control the molecular weight of the trans-polybutadiene and increase the trans content of the trans-polybutadiene. The catalyst system comprising the novel cobalt-aluminum adduct has a high oxidation state and structural stability, and the reactivity of the catalyst is controlled using novel activation systems comprising various allyloxy aluminum compounds. | 05-28-2015 |
| 20160130376 | POLYMERIZATION PROCESS IN THE PRESENCE OF AN ANTISTATIC COMPOSITION - A process for the preparation of polyolefins by polymerizing olefins at temperatures of from 20 to 200° C. and pressures of from 0.1 to 20 MPa in the presence of a polymerization catalyst and an antistatically acting composition in a polymerization reactor, wherein the antistatically acting composition is a mixture comprising an oil-soluble surfactant and water and the use of an antistatically acting composition comprising an oil-soluble surfactant and water as antistatic agent for the polymerization of olefins at temperatures of from 20 to 200° C. and pressures of from 0.1 to 20 MPa in the presence of a polymerization catalyst. | 05-12-2016 |
| 526155000 | Contains non-transition elemental metal, hydride thereof or carbon to non transition metal atom bond | 5 |
| 20100036069 | HIGH EFFICIENCY SOLUTION POLYMERIZATION PROCESS - A catalyst composition comprising a zirconium complex of a polyvalent aryloxyether and an alumoxane, polymerization processes employing the same, especially the continuous, solution polymerization of ethylene and one or more C | 02-11-2010 |
| 20140316087 | CATALYST COMPOSITION AND PROCESS FOR ETHYLENE OLIGOMERIZATION - The present disclosure provides a catalyst composition for ethylene oligomerization including an imino ferrous complex shown in Formula (I) as the main catalyst, an aluminum-containing cocatalyst, water, and an organic solvent: | 10-23-2014 |
| 20140350202 | ACTIVATION OF CATALYTIC SYSTEMS FOR THE STEREOSPECIFIC POLYMERIZATION OF DIENES - An activated preformed catalytic system for the 1,4-cis stereospecific polymerization of conjugated dienes based on at least:
| 11-27-2014 |
| 526156000 | Inorganic oxygen containing aluminum compound | 2 |
| 20090156762 | Methods of Preparing a Polymerization Catalyst - A method comprising contacting a support with one or more chromium-containing compounds and one or more boria precursors to provide a catalyst precursor, and activating the catalyst precursor to provide a polymerization catalyst. | 06-18-2009 |
| 20090198027 | PROCESS FOR THE PREPARATION OF ETHYLENE PROPYLENE COPOLYMERS - A polymerization process comprising contacting under polymerization conditions ethylene and at least propylene to obtain a copolymer containing from 96% by mol to 71% by mol of ethylene derived units, in the presence of a catalyst system obtainable by contacting: b) at least a metallocene compound of formula (I), b) alumoxane or a compound capable of forming an alkyl metallocene cation; and optionally c) an organo aluminum compound; wherein the groups R | 08-06-2009 |
