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| Number | Title | Issue Date |
| 7842827 | Mesoporous metal-organic framework The present invention relates to a porous metal-organic framework comprising AlIII and at least one at least bidentate compound, wherein the at least one at least bidentate organic compound is a six-membered aromatic hydrocarbon ring A in which one or mor... | 11/30/2010 |
| 7629480 | Organic acid anion containing aluminum salt hydroxide particles, production method thereof, and use thereof There are provided organic acid anion containing aluminum salt hydroxide particles represented by the following general formula (I): Ma[Al1-xM′x]bAzBy(OH)n.mH2O ... | 12/08/2009 |
| 7351678 | Catalyst systems for Ziegler-Natta propene polymerisation The invention relates to the use of nitrogenous aluminium organyl complexes of general formula (I) as co-catalysts in heterogeneous polymerisation reactions of propene. In said formula: R, R′, R1 and R1′ independently of one another represe... | 04/01/2008 |
| 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. ... | 02/26/2008 |
| 7321048 | Organometallic compound purification A method of purifying an organometallic compound by heating the organometallic compound in the presence of a trialkyl aluminum compound and a catalyst. ... | 01/22/2008 |
| 7319083 | Polymerized catalyst composition A composition is provided that includes a product of combining, in the presence of a free radical initiator a catalyst precursor and at least one monomer wherein the monomer and the catalyst precursor are poiymerizable by free-radical polymerization and wherein the ... | 01/15/2008 |
| 7314903 | Catalyst system for the polymerization of olefins An organometallic compound obtainable by contacting: a compound having the following formula (I), wherein: Ra is a hydrocarbon radical; Rb, Rc and Rd, are hydrogen atoms, halogen atoms, or hydrocarbon radicals; with a Lewi... | 01/01/2008 |
| 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 complex in certain prescribed proportions. The composition can be fo... | 11/06/2007 |
| 7288689 | Methanol and fuel alcohol production for an oxygenate to olefin reaction system The present invention provides various processes for producing C1 to C4 alcohols, optionally in a mixed alcohol stream, and optionally converting the alcohols to light olefins. In one embodiment, the invention includes directing a first portion of a syngas stream to... | 10/30/2007 |
| 7285513 | Preparation of catalyst systems The present invention relates to a process for preparing a catalyst for olefin polymerization which is obtainable by bringing A) at least one organic transition metal compound, B) a mixture of at least two different organo metallic compound... | 10/23/2007 |
| 7279603 | Boron and aluminum compounds in electronic components The present invention relates to the use of boron and aluminum compounds in electronics, in particular as electron transport material, as host material of the emission layer and as hole blocking material, in each case in phosphorescent OLEDs, and also to layers prod... | 10/09/2007 |
| 7271226 | Olefin polymerisation process A process for the homopolymerisation of ethylene or the copolymerisation of ethylene and (a-olefins in a polymeristation reactor, said process carried out in the presence of a catalyst system comprising (a) a polymerisation catalyst and (b) an ionic activator is cha... | 09/18/2007 |
| 7250478 | Silicon containing cyclopentadienyl ring for metallocene catalyst components The present invention refers to a metallocene catalyst component for producing polyolefins according to formula (I) R″s (CpRn)g (CpRn) M Q3-g (I) or according to formula (II) R″(CpRn)MeXQ (II) whe... | 07/31/2007 |
| 7220886 | Olefin metathesis A process for the production of propylene from the metathesis of ethylene and 2-butene is disclosed wherein a mixed C4 stream is first treated to enrich and separate the 2-butene from 1-butene and isobutene by isomerization of 1-butene and concurrent frac... | 05/22/2007 |
| 7211235 | Method for producing hydrotalcites A method is described for the manufacture of hydrotalcites by using at least one compound of a bivalent metal (Component A) and at least one compound of a trivalent metal (Component B), wherein at least one of these components is not used in the form of a solution, ... | 05/01/2007 |
| 7202373 | Monocyclopentadienyl complexes Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one uncharged donor bound via a boron-containing bridge and comprising one or more atoms of group 15 and/or 16 of the Periodic Table of the Elements and is bound to a metal selected f... | 04/10/2007 |
| 7199276 | Controlling the ratio of ethylene to propylene produced in an oxygenate to olefin conversion process The present invention provides various processes for producing methanol and ethanol, preferably in a mixed alcohol stream. In one embodiment, the invention includes directing syngas to a synthesis zone wherein the syngas contacts a methanol synthesis catalyst and an... | 04/03/2007 |
| 7196239 | Methanol and ethanol production for an oxygenate to olefin reaction system The present invention provides various processes for producing light olefins from methanol and ethanol, optionally in a mixed alcohol stream. In one embodiment, the invention includes directing a first syngas stream to a methanol synthesis zone to form methanol and ... | 03/27/2007 |
| 7179765 | Process for preparing hydrogen peroxide from the elements The present invention relates to a process for the preparation of hydrogen peroxide from oxygen or oxygen-delivering substances and hydrogen or hydrogen-delivering substances in the presence of at least one catalyst containing a metal-organic framework material, whe... | 02/20/2007 |
| 7176158 | Polymerization catalyst composition Copolymerization of Ni(H) or Co(II) acenaphthene diimine complexes containing olefinic substituents on aryl groups in the presence of a free radical initiator results in polymerized late transition metal catalysts which can be used for olefin polymerization or oligo... | 02/13/2007 |
| 7169875 | Organometallic compositions A composition suitable for use as a catalyst for the reaction of an isocyanate compound or prepolymer thereof with an alcohol to form a polyurethane comprises a mixture of (a)an organometallic compound selected from: (i) a compound of formula M(RO)4, wher... | 01/30/2007 |
| 7166684 | Transition metal compound, catalyst for olefin polymerization and method for producing polyolefin A novel transition metal compound wherein the transition metal belongs to group 4 of the periodic table and the transition metal compound has a hydrogen atom ligand and three cyclopentadienyl ligands comprising at least one substituted cyclopentadienyl ligand. The n... | 01/23/2007 |
| 7154013 | Olefin metathesis A process in which tetramethylethylene and neohexene are produced by starting with butene in a distillation column reactor to produce a product containing ethylene, diisobutene, tetramethylethylene, heavier oligomers. After separating these components, the separated... | 12/26/2006 |
| 7122498 | Metallocenes and catalyst compositions derived therefrom Metallocenes and catalyst systems for olefin polymerization derived therefrom. The metallocenes may be represented by the formula: wherein M1 preferably is zirconium or hafnium... | 10/17/2006 |
| 7119155 | Polymerized catalyst composition II Copolymerization of Ni(II) phenol imine complexes containing olefinic substituents on aryl groups with styrene in the presence of a radical initiator results in polymerized late transition metal catalysts which can be used for olefin polymerization or oligomerizatio... | 10/10/2006 |
| 7105691 | Aluminum / zirconium / glycine antiperspirant actives stabilized with Betaine A stabilized aluminum/zirconium/glycine salt comprising a Betaine of Formula I as additive: in a sufficient amount to have (a) an overall (Betaine+glycine)/Zr ratio in the range of 0.1–3.0:1, (b) a ratio of Bet... | 09/12/2006 |
| 7101939 | Ethylene/α-olefin copolymer made with a non-single-site/single-site catalyst combination, its preparation and use An ethylene/α-olefin copolymer comprising a component produced by a non-single-site polymerization catalyst and a component produced by a single-site polymerization catalyst, its preparation and use are described. The copolymer has an α-olefin content of 5 to 20 p... | 09/05/2006 |
| 7049374 | Heterodiamondoids This invention is related to heteroatom containing diamondoids (i.e., “heterodiamondoids”) which are compounds having a diamondoid nucleus in which one or more of the diamondoid nucleus carbons has been substitutionally replaced with a noncarbon atom. These hete... | 05/23/2006 |
| 7041861 | Olefin metathesis A process in which neohexene is produced by starting with butene in a distillation column reactor to produce a product containing ethylene, diisobutene, heavier oligomers. After separating these components, the separated diisobutene is further reacted with ethylene ... | 05/09/2006 |
| 7005489 | Zwitterionic Metallocycles A new class of zwitterionic metallocycles is disclosed. A positively charged Group 4-10 transition metal is chelated to two heteroatoms and one of the heteroatoms has a substituent bearing a negative charge. We have found that substitution in this position stabilize... | 02/28/2006 |
| 6979708 | Hydrotalcites, syntheses, and uses Synthetic hydrotalcites of the general formula [M2+1−xM3+x(OH)2]x+[An−x/n.mH2O]x− where M2+ is a divalent... | 12/27/2005 |
| 6930070 | Heterocyclic nitrogen-containing activators and catalyst systems for olefin polymerization An aluminum activator and catalyst system for olefin polymerization is provided. In one aspect, the catalyst system comprises a polymerization catalyst and an activator comprising two or more heterocyclic nitrogen-containing ligands coordinated to a Group 13 atom. P... | 08/16/2005 |
| 6916760 | Spray-drying catalyst compositions and methods of spray-drying A spray drying process for preparing a solid catalyst and composition for use therein comprising a catalyst compound, an activator for the catalyst compound, and at least one compound selected from among siloxanes, polyalkylene glycols, C1-4 alkyl or phen... | 07/12/2005 |
| 6903229 | Metallocene compositions This invention relates to metallocene compositions and their use in the preparation of catalyst systems for olefin polymerization, particularly propylene polymerization. The metallocene compositions may be represented by the formula: | 06/07/2005 |
| 6887398 | Aluminum acetoacetate compounds, the production and use thereof as printing ink additives Compositions containing aluminum trisalkylacetoacetate compounds and glycol ether and to a method for the production and use thereof, particularly as printing ink additives. ... | 05/03/2005 |
| 6884748 | Process for producing fluorinated catalysts The present invention relates to a process of producing a fluorided catalyst compound, catalyst compositions, and polymerization methods including such. At least one specific embodiment of the invention includes contacting a chlorinated metallocene catalyst componen... | 04/26/2005 |
| 6878786 | Process for the polymerization of olefins Process for the polymerization of olefins comprising contacting olefins under polymerization conditions in the presence of a catalyst system comprising the product obtained by contacting: (A) at least one transition metal organomet... | 04/12/2005 |
| 6864205 | Heterocyclic-amide catalyst compositions for the polymerization of olefins A family of novel hetrocyclic-amide type catalyst precursors useful for the polymerization of olefins, such as ethylene, higher alpha-olefins, dienes, and mixtures thereof. ... | 03/08/2005 |
| 6855783 | Supported metallocene catalysts Supported metallocene catalysts and processes for the use of such catalysts in isotactic polymerization of a C3+ ethylenically unsaturated monomer. The supported catalysts comprise a particulate silica support, an alkyl alumoxane component, and a metalloc... | 02/15/2005 |
| 6852865 | Catalytic carbonylation of three and four membered heterocycles Epoxides, aziridines, thiiranes, oxetanes, lactones, lactams and analogous compounds are reacted with carbon monoxide in the presence of a catalytically effective amount of catalyst having the general formula [Lewis acid]z+{[QM(CO)x]w− | 02/08/2005 |
