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| Number | Title | Issue Date |
| 7884252 | Process for making -isocarveol A process for making trans-isocarveol, an intermediate useful in the manufacture of perillyl alcohol, is disclosed. The process comprises isomerizing a mixture comprising cis-limonene oxide (cis-LMO) and trans-limonene oxide (trans-LMO) in the presence of a phenolic... | 02/08/2011 |
| 7879959 | Catalyst components for the polymerization of olefins Catalyst components for the (co)polymerization of ethylene comprising Ti, Mg, halogen, ORI groups, where RI is a C1-C12 hydrocarbon group optionally containing heteroatoms, having ORI/Ti molar ratio in the range 0.1-1.5, a Mg/Ti molar ratio of less than 8, an amount... | 02/01/2011 |
| 7874723 | Method of rapidly determining the MFR in the high-pressure polymerization ethylene Method of determining the melt mass flow rate of an ethylene polymer in the polymerization of ethylene or of ethylene with further comonomers, which is carried out at temperatures of from 140° C. to 350° C. and pressures of from 40 MPa to 350 MPa in a reactor to f... | 01/25/2011 |
| 7871952 | 2-hydroxypyridine N-oxide-modified ziegler-natta catalyst system A modified Ziegler-Natta catalyst system, a method for preparing the catalyst system, and a process for polymerizing an olefin in the presence of the catalyst system are disclosed. The catalyst system comprises a titanium or vanadium compound, an aluminum compound, ... | 01/18/2011 |
| 7871709 | Modified tie-layer compositions and improved clarity multi-layer barrier films produced therewith Tie-layer adhesive compositions which are blends of modified and unmodified polyolefins and containing a saturated bicyclic modifier compound and multi-layer barrier films having improved clarity produced therewith are provided. ... | 01/18/2011 |
| 7851660 | Process for making perillyl alcohol A process for making perillyl alcohol is disclosed. The process comprises isomerizing a starting material comprising trans-isocarveol at a temperature within the range of 100° C. to 220° C. in the presence of a Group 5 metal catalyst to produce perillyl alcohol. W... | 12/14/2010 |
| 7842764 | Metallocene compounds A bridged metallocene compound of formula (I) wherein: M is an atom of a transition metal; X, is a hydrogen atom, a halogen atom, or a hydrocarbon-based group; R1 is a C1-C40 hydrocarbon radical; R2 and R3, form together a condensed 3-7 membered ring; R4 is a hydrog... | 11/30/2010 |
| 7834117 | Process for preparing crystalline ethylene (co)polymers A process for preparing crystalline ethylene (co)polymers comprising (co)polymerizing ethylene in the presence of carried out in the presence catalyst system comprising (a) a solid catalyst component comprising Ti, Mg, halogen, ORI groups, where RI is a C1-C12 hydro... | 11/16/2010 |
| 7816478 | Polyethylene thick film and process for preparing polyethylene A thick film and process to prepare polyethylene useful for the film are disclosed. Ethylene is polymerized in two reaction zones with a C6-C10 α-olefin in the presence of a catalyst system comprising an activator, a supported bridged zirconiu... | 10/19/2010 |
| 7803963 | Physiological coolants based on lactoyl esters of menthyl lactate A method of imparting a physiological cooling effect to a consumer product is disclosed. The method comprises formulating into the consumer product a composition comprising at least one lactoyl ester of menthyl lactate. Also disclosed is a method of providing physio... | 09/28/2010 |
| 7803887 | Metallocene compounds A bridged metallocene compound of formula (I) wherein: M is a transition metal; X, is a hydrogen atom, a halogen atom, or a hydrocarbon group optionally containing hetematoms; L is a divalent bridging group; R1 is a linear C1C40 hydr... | 09/28/2010 |
| 7803736 | Supported chromium catalyst and its use for preparing homopolymers and copolymers of ethylene A process for preparing supported, titanized chromium catalysts is disclosed. The process comprises A) bringing a support material into contact with a protic medium comprising a titanium compound and a chromium compound; B) optionally removing the solvent; C) option... | 09/28/2010 |
| 7795441 | Process for preparing imino compounds Process for preparing imine compounds, in which a carbonyl compound is reacted with a primary amine. The imine compound obtained in this way can be reacted further with a metalalkyl and subsequently a carbonyl compound to form an imine compound. ... | 09/14/2010 |
| 7781549 | Olefin polymerization process A slurry process for polymerizing ethylene is disclosed. The process comprises polymerizing ethylene in the presence of an α-olefin and a catalyst comprising an activator and a supported bridged indeno[1,2-b]indolyl zirconium complex. The process produces polyethyl... | 08/24/2010 |
| 7776974 | Olefin polymerization process A slurry process for polymerizing ethylene is disclosed. The process comprises polymerizing ethylene in a first reactor in the presence of hydrogen and a catalyst comprising an activator and a supported dimethylsilyl-bridged indeno[1,2-b]indolyl zirconium complex to... | 08/17/2010 |
| 7750086 | Solid state modification of propylene polymers A process for improving the melt characteristics of propylene-ethylene random block and impact copolymers is provided. The process involves contacting a powder of the copolymer with a low level of free radical initiator followed by heating at a temperature below the... | 07/06/2010 |
| 7723451 | Olefin polymerization process A slurry process for polymerizing ethylene is disclosed. The process comprises polymerizing ethylene in the presence of an α-olefin, hydrogen, and a catalyst comprising an activator and a supported, dimethylsilyl-bridged bis(indenoindolyl)zirconium complex. The pro... | 05/25/2010 |
| 7723450 | Transition metal compound, ligand system, catalyst system and process for preparing polyolefins The present invention relates to organometallic transition metal compounds of the formula (I) Z1AnZ2MXm (I) where Z1 is a coordinating group which comprises a six-π-electro... | 05/25/2010 |
| 7723448 | Hybrid catalyst systems supported on magnesium halide The present invention relates to a catalyst system comprising at least two different transition metal coordination compounds supported on an adduct containing magnesium halide and an organoaluminum compound and it relates to a polymerisation process in the presence ... | 05/25/2010 |
| 7714091 | Catalyst comprising chromium and zirconium for the polymerization and/or copolymerization of olefins Catalyst for the polymerization and/or copolymerization of olefins which is obtainable by application to a finely divided inorganic support and concluding calcination at temperatures of from 350 to 1050° C. and has a chromium content of from 0.1 to 5% by weight and... | 05/11/2010 |
| 7705097 | Process for preparing a chromium-based catalyst for the polymerization and/or copolymerization of olefins Process for preparing a supported catalyst for the polymerization and/or copolymerization of olefins which has a chromium content of from 0.01 to 5% by weight, based on the element, which comprises (a) preparing a homogeneous solution comprising an orga... | 04/27/2010 |
| 7683146 | Supported metal alkyl compound and process for the polymerization of olefins in its presence The present invention relates to pulverulent solids obtainable by reaction of a metal alkyl compound of a divalent or higher-valent metal and a finely divided support which on its surface bears functional groups which can form a chemical bond between the metal atom ... | 03/23/2010 |
| 7671223 | Process for the racemoselective preparation of ansa-metallocenes The present invention relates to a process for the racemoselective preparation of ansa-metallocene complexes of the formula (I) which comprises reacting a ligand starting compound of the formula (II) | 03/02/2010 |
| 7671151 | Olefin polymerization process A process for making polyethylene having an uncommon but valuable balance of broad molecular weight distribution and a low level of long-chain branching is disclosed. The process comprises polymerizing ethylene in a single reactor in the presence of an α-olefin and... | 03/02/2010 |
| 7671148 | Catalyst system for olefin polymerization, its production and use Process for producing a catalyst system, which comprises the following steps: A) provision of a mixture of at least two different organic transition metal compounds, at least one hydrolyzed organoaluminum compound and a solvent and impregnation of a dry porous suppo... | 03/02/2010 |
| 7666961 | Olefin polymerization process A slurry process for polymerizing ethylene is disclosed. The process comprises polymerizing ethylene in the presence of an α-olefin and a catalyst comprising an activator and a supported bridged bis-indeno[2,1-b]indolyl zirconium complex. The process uses a highly ... | 02/23/2010 |
| 7659346 | Process for maleating polymerization residues and products A process for converting distillation residues obtained from polymerization processes to useful maleated products is provided. ... | 02/09/2010 |
| 7655816 | Method for stabilizing menthyl lactate A method for stabilizing menthyl lactate is disclosed. The method comprises combining water with a solution comprising menthyl lactate and a water-miscible organic solvent in amounts effective to precipitate menthyl lactate from the resulting aqueous mixture. The aq... | 02/02/2010 |
| 7655740 | Olefin polymerization process A slurry process for polymerizing ethylene is disclosed. The process comprises polymerizing ethylene in the presence of an α-olefin and a catalyst comprising an activator and a supported bridged indeno[1,2-b]indolyl zirconium complex. The process produces polyethyl... | 02/02/2010 |
| 7652067 | Aqueous compositions containing monoester salts Clear aqueous compositions comprising water, a hydrophobic organic compound, and from about 2 to about 50 wt. % of a solubilizer are disclosed. The solubilizer is an alkali metal or alkaline earth metal salt of a monoester of a saturated C6-C20 | 01/26/2010 |
| 7649063 | Supported metal alkyl compound and its preparation Pulverulent solid which consists essentially of at least one metal alkyl compound bound chemically and/or physically to a finely divided, porous, mechanically stable and chemically inert support, has a proportion by weight of metal alkyl compound of at least 5% by w... | 01/19/2010 |
| 7638597 | Removal of metal contaminants from polyethylene A process to remove metal contaminants from a hydrocarbon solution of polyethylene is disclosed. The process comprises adding a primary alcohol and a β-diketone to a solution of polyethylene at a temperature within the range of 120° C. to 300° C. and contacting t... | 12/29/2009 |
| 7638586 | Olefin polymerization process A process for polymerizing ethylene is disclosed. The process comprises polymerizing ethylene in a slurry reaction in the presence of a catalyst system which comprises an activator and an indenoindolyl transition metal complex on a support material. The catalyst sys... | 12/29/2009 |
| 7638584 | Olefin polymerization process A process for polymerizing ethylene is disclosed. The process comprises polymerizing ethylene in the presence of a catalyst system which comprises a bridged indenoindolyl transition metal complex on a support material, an alkylalumoxane, a titanium tetralkoxide, and... | 12/29/2009 |
| 7632900 | Lubricating oil A lubricating oil suitable for use in α-olefin compressors and a high-pressure ethylene polymerization process is disclosed. The oil comprises a base fluid and a hindered C6-C30 alkyl 4-hydroxybenzoate. The hindered C6-C30 | 12/15/2009 |
| 7618912 | Preparation of supported catalyst systems The present invention relates to a process for preparing a catalyst solid for olefin polymerization which is obtainable by bringing A) at least one organic transition metal compound, B) at least one organometallic compound, C) ... | 11/17/2009 |
| 7608327 | High tear strength film A thick film produced from a polyolefin blend is disclosed. The film is prepared from a blend having a density from 0.935 to 0.955 g/cm3 and comprising LLDPE and greater than 50% by weight HDPE having a density greater than 0.955 g/cm3. The fil... | 10/27/2009 |
| 7601787 | Ethylene polymerization process A process for polymerizing ethylene is disclosed. The polymerization is performed in the presence of a Ziegler-Natta catalyst system in two slurry reaction zones. Most of the polyethylene (70-95 wt. %) is produced in one of the zones, while a smaller fraction is pro... | 10/13/2009 |
| 7598201 | Process for preparing a support for olefin polymerization catalysts The invention relates to a process for preparing an essentially spherical support for olefin polymerization catalysts, which comprises the steps: preparation of a hydrogel comprising a cogel of silicon oxide and at least one further metal oxide, if appropriate, wash... | 10/06/2009 |
| 7589223 | Polymerization catalysts, preparation of polyolefins, organotransition metal compounds and ligands The invention relates to non-metallocene catalyst systems useful for preparing olefin homopolymers or copolymers. The catalyst systems comprise a cocatalyst and a Group 3-10 transition metal compound that incorporates a diimine ligand in which sp2-hybridi... | 09/15/2009 |
