Halogen Containing Patents (Class 502/134)
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Patent number: 12037440Abstract: Embodiments are directed to catalyst systems comprising: a procatalyst; and a co-catalyst dissolved in a non-halogenated aprotic hydrocarbon solvent, the co-catalyst comprising: a non-coordinating borate dianion having the formula: (III) and two cations, each cation being independently chosen from a cation according to formula (I) or formula (II).Type: GrantFiled: March 28, 2019Date of Patent: July 16, 2024Assignees: Dow Global Technologies LLC, Northwestern UniversityInventors: Tobin J. Marks, Yanshan Gao, Tracy L. Lohr, Matthew D. Christianson, Jerzy Klosin, Edmund M. Carnahan, Andrew J. Young
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Patent number: 9000242Abstract: The invention is directed to a catalyst for the gas phase fluorination of 1,1,2-trichloroethane and/or 1,2-dichloroethene with HF to give 1-chloro-2,2-difluoroethane which catalyst is prepared by co-depositing FeCl3 and MgCl2 on chromia-alumina, or co-depositing Cr(NO3)3 and Ni(NO3)2 on active carbon, or by doping alumina with ZnCl2, and to a process for the preparation of 1-chloro-2,2-difluoroethane comprising a catalytic gas phase fluorination of 1,1,2-trichloroethane and/or 1,2-dichloroethene wherein one of the catalysts according to claim 2 or 3 is used.Type: GrantFiled: October 11, 2012Date of Patent: April 7, 2015Assignee: Bayer Intellectual PropertyInventors: Norbert Lui, Shanthan Rao Pamulaparthy, Srinivas Pvss, Thomas Vijaya, Sridhar Madabhushi, Rambabu Yadla, Narsaiah Banda, Sergii Pazenok
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Patent number: 8981023Abstract: This invention relates to a supported nonmetallocene catalyst and preparation thereof. The supported nonmetallocene catalyst can be produced with a simple and feasible process and is characterized by an easily controllable polymerization activity. This invention further relates to use of the supported nonmetallocene catalyst in olefin homopolymerization/copolymerization, which is characterized by a lowered assumption of the co-catalyst as compared with the prior art.Type: GrantFiled: October 13, 2010Date of Patent: March 17, 2015Assignees: China Petroleum & Chemical Corp., Sinopec Yangzi Petrochemical Co. Ltd.Inventors: Hongping Ren, Chuanfeng Li, Xiaoli Yao, Feng Guo, Zhonglin Ma, Haibin Chen, Kaixiu Wang, Jingwei Liu, Yaming Wang
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Patent number: 8957169Abstract: This invention relates to a supported nonmetallocene catalyst and preparation thereof. The supported nonmetallocene catalyst can be produced with a simple and feasible process and is characterized by an easily controllable polymerization activity. This invention further relates to use of the supported nonmetallocene catalyst in olefin homopolymerization/copolymerization, which is characterized by a lowered assumption of the co-catalyst as compared with the prior art.Type: GrantFiled: October 13, 2010Date of Patent: February 17, 2015Assignees: China Petroleum & Chemical Corp., Sinopec Yangzi Petrochemical Co. Ltd.Inventors: Xiaoli Yao, Chuanfeng Li, Hongping Ren, Zhonglin Ma, Feng Guo, Kaixiu Wang, Jingwei Liu, Yaming Wang
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Patent number: 8952113Abstract: This invention relates to a supported nonmetallocene catalyst and preparation thereof. The supported nonmetallocene catalyst can be produced with a simple and feasible process and is characterized by an easily controllable polymerization activity. This invention further relates to use of the supported nonmetallocene catalyst in olefin homopolymerization/copolymerization, which is characterized by a lowered assumption of the co-catalyst as compared with the prior art.Type: GrantFiled: October 13, 2010Date of Patent: February 10, 2015Assignees: China Petroleum & Chemical Corp., Sinopec Yangzi Petrochemical Company Ltd.Inventors: Chuanfeng Li, Hongping Ren, Xiaoli Yao, Lin Kan, Bo Liu, Zhonglin Ma, Feng Guo, Kaixiu Wang, Yaming Wang, Lijuan Yang
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Patent number: 8952112Abstract: This invention relates to a supported nonmetallocene catalyst and preparation thereof. The supported nonmetallocene catalyst can be produced with a simple and feasible process and is characterized by an easily controllable polymerization activity. This invention further relates to use of the supported nonmetallocene catalyst in olefin homopolymerization/copolymerization, which is characterized by a lowered assumption of the co-catalyst as compared with the prior art.Type: GrantFiled: October 13, 2010Date of Patent: February 10, 2015Assignees: China Petroleum & Chemical Corp., Sinopec Yangzi Petrochemical Company Ltd.Inventors: Chuanfeng Li, Hongping Ren, Xiaoli Yao, Zhonglin Ma, Feng Guo, Kaixiu Wang, Jingwei Liu, Yaming Wang, Lijuan Yang
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Publication number: 20140309385Abstract: Group 4 transition metal complexes of bidentate iminonaphthol pro-ligands can be used as catalysts to polymerise olefins, such as ethylene. Group 4 transition metal complexes of bidentate iminonaphthol pro-ligands can have a single-site nature, allowing the catalysts to be used to prepare ultra high molecular weight polyethylene having a narrow molecular weight distribution.Type: ApplicationFiled: August 2, 2012Publication date: October 16, 2014Inventor: Jeroen Wassenaar
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Publication number: 20140046011Abstract: Process for the preparation of solid particles of a magnesium-chloride alcohol adduct comprising (a) forming an emulsion between a MgCl2 alcohol adduct in molten form and a liquid phase which is immiscible with the said adduct in the presence of a polyalkyl-methacrylate used as a solution having viscosity ranging from 100 to 5000 mm2/s and (b) rapidly cooling the emulsion to solidify the disperse phase and collecting the solid adduct particles.Type: ApplicationFiled: April 13, 2012Publication date: February 13, 2014Applicant: Basell Poliolefine Italia S. r. I.Inventors: Benedetta Gaddi, Daniele Evangelisti, Gianni Collina
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Patent number: 8642494Abstract: A catalyst system can include a Ziegler-Natta catalyst, an internal donor, a magnesium halide in active form, and an organoaluminium compound. The Ziegler-Natta catalyst can have a titanium compound and at least one titanium-halogen bond. The internal donor can include at least 80 wt % of an enamino-imine with respect to a total weight of the internal donor. The Ziegler-Natta catalyst and the internal donor can both be supported on the magnesium halide in active form.Type: GrantFiled: April 29, 2013Date of Patent: February 4, 2014Assignee: Total Petrochemicals Research FeluyInventors: Hugues Haubruge, Guillaume Pavy, Alain Standaert
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Patent number: 8636974Abstract: It is an object to provide a method for producing titanium dioxide superfine particles, which produces monodispersed titanium dioxide superfine particles depending on its purpose, causes no clogging with a product due to self-dischargeability, requires no great pressure, and is excellent in productivity. In the method for producing titanium dioxide superfine particles in a fluid containing a titanium compound by separation, the fluid is formed into a thin film fluid between two processing surfaces arranged so as to be able to approach to and separate from each other, at least one of which rotates relative to the other, and the titanium dioxide superfine particles are separated in the thin film fluid.Type: GrantFiled: September 11, 2008Date of Patent: January 28, 2014Assignee: M. Technique Co., Ltd.Inventor: Masakazu Enomura
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Patent number: 8557920Abstract: The present invention relates to a polymer composition, comprising (i) a polypropylene homopolymer, (ii) a polypropylene random copolymer, prepared by copolymerization of propylene with an olefin comonomer and having an amount of olefin comonomer units of 0.2 to 5 wt %, and (iii) an elastomeric copolymer of propylene and at least one olefin comonomer, the polymer composition having a tensile modulus, determined according to ISO 527-2/1 B at 1 mm/min. and 230 C, of at least 1200 MPa.Type: GrantFiled: May 11, 2006Date of Patent: October 15, 2013Assignee: Borealis Technology OyInventors: Kauno Alastalo, Carl-Gustaf Ek, Bo Malm, Ulf Torgersen, Olli Tuominen
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Publication number: 20130172500Abstract: A phosphinimine catalyst immobilized on a passivated inorganic oxide support, had high activity at low co-catalyst concentrations and gave, under gas phase polymerization conditions, ethylene copolymer with a high molecular weight. A method of making a passivated silica support involves treatment of silica with an organoaluminum compound, a diorganomagnesium compound and a source of chloride (to make MgCl2) under anhydrous conditions and in the absence of polar solvents.Type: ApplicationFiled: November 21, 2012Publication date: July 4, 2013Applicant: NOVA CHEMICALS (INTERNATIONAL) S.A.Inventor: NOVA Chemicals ((International) S.A.
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Publication number: 20130158215Abstract: This invention relates to modified Ziegler-Natta catalyst systems that have an excellent activity in homo- or co-polymerisation of ethylene and alpha-olefins and are able to produce polymers having reduced molecular weight distribution and improved incorporation of hexene with respect to conventional Ziegler-Natta catalyst systems.Type: ApplicationFiled: May 19, 2011Publication date: June 20, 2013Inventors: Elsa Martigny, Vincent Monteil, Roger Spitz, Aurélien Vantomme
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Publication number: 20120329963Abstract: The present invention relates to catalysts component for the polymerization of ethylene and its mixtures with olefins CH2?CHR, wherein R is an alkyl, cycloalkyl or aryl radical having 1-12 carbon atoms, comprising Ti, Mg, halogen, and electron donor belonging to 1,2-diethers as internal electron donor compound. The catalyst of the invention is suitably used in (co)polymerization processes of ethylene to prepare (co)polymers having narrow Molecular Weight Distribution (MWD) and high bulk density.Type: ApplicationFiled: March 1, 2011Publication date: December 27, 2012Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Diego Brita, Gianni Collina, Daniele Evangelisti, Benedetta Gaddi, Maria Carbonara, Paolo Vincenzi
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Patent number: 8318626Abstract: The present invention relates to solid catalyst components comprising titanium, magnesium, halogen and an internal electron donor compound containing at least one 1,8-naphthyl diester compound. The 1,8-naphthyl diester compounds include naphthalene-1,8-diyl dicycloalkanecarboxylate derivatives, dicycloalkenecarboxylate derivatives, 8-(cycloalkanecarbonyloxy)naphthalene-1-yl benzoate derivatives, and 8-(cycloalkenecarbonyloxy)naphthalene-1-yl benzoate derivatives. The present invention further relates to catalyst systems containing the catalyst solid components, organoaluminum compounds, and organosilicon compounds. The present invention also relates to methods of making the solid catalyst components and the catalyst systems, and methods of polymerizing or copolymerizing alpha-olefins using the catalyst systems.Type: GrantFiled: March 1, 2010Date of Patent: November 27, 2012Assignee: BASF CorporationInventor: Main Chang
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Publication number: 20120283402Abstract: Solid adducts comprising MgCl2 and water and optionally an organic hydroxy compound (A) selected from hydrocarbon structures containing at least one hydroxy group, said compounds being present in molar ratio defined by the following formula MgCl2.(H20)n(A)p in which n is from 0.6 to 6, p ranges from 0 to 3, said adduct having a porosity (PF), measured by the mercury method and due to pores with radius equal to or lower than 1 ?m, of at least 0.15 cm3/g with the proviso that when p is 0, (PF) is equal to or higher than 0.3 cm3/g.Type: ApplicationFiled: December 17, 2010Publication date: November 8, 2012Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Daniele Evangelisti, Benedetta Gaddi, Diego Brita, Gianni Collina, Anna Fait
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Publication number: 20120264895Abstract: A catalyst component for the polymerization of olefins comprising Mg, Ti and Cl obtained by a process comprising the following steps: a) reacting a precursor of formula MgCl2.mEtOH, wherein m is equal to, or lower than, 1.5 having a porosity due to pores with radius up to 1? of higher than 0.4 cm3/g with an alcohol of formula RIOH where RI is an alkyl different from ethyl, a cycloalkyl or aryl radical having 3-20 carbon atoms said RIOH being reacted with the said precursor using molar ratio RIOH/Mg ranging from 0.01 to 10; b) reacting the product obtained in (a) with TiCl4 using Ti/Mg molar ratio ranging from 0.01 to 15, c) reacting the product obtained in (b) with a silicon compound of formula RIaRIIbSi(ORIII)4?(a+b) where RI-RIII are linear or branched, cycloalkyl, aryl C1-C20 hydrocarbon groups a and b are integers from 0 to 2.Type: ApplicationFiled: December 17, 2010Publication date: October 18, 2012Applicant: BASELL POLYOLEFINE GMBHInventors: Friedhelm Gundert, Martin Schneider
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Publication number: 20120259078Abstract: Catalyst component comprising Mg, Ti, and halogen atoms, and is characterized in that (a) the Ti atoms are present in an amount higher than 4% based on the total weight of the said catalyst component, (b) the amount of Mg and Ti atoms is such that the Mg/Ti molar ratio is higher than 2 and (c) by a X-ray diffraction spectrum, in which, in the range of 2? diffraction angles between 47° and 52°, at least two diffraction lines are present at diffraction angles 2? of 48.3±0.2°, and 50.0±0.2°, the most intense diffraction lines being the one at 2? of 50.0±0.2°, the intensity of the other diffraction line being equal to or lower than the intensity of the most intense diffraction line.Type: ApplicationFiled: December 17, 2010Publication date: October 11, 2012Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Diego Brita, Gianni Collina, Daniele Evangelisti, Anna Fait, Benedetta Gaddi, Giampiero Morini, Pietro Baita, Lorella Marturano, Harry Mavridis
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Publication number: 20120232235Abstract: The present invention discloses catalyst compositions employing transition metal complexes with a thiolate ligand. Methods for making these transition metal complexes and for using such compounds in catalyst compositions for the polymerization of olefins also are provided.Type: ApplicationFiled: March 8, 2011Publication date: September 13, 2012Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LPInventor: Mark L. Hlavinka
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Publication number: 20120208969Abstract: Ziegler-Natta catalysts, processes of forming the same and using the same are described herein. The process generally includes contacting a metal component with a magnesium dihalide support material to form a Ziegler-Natta catalyst precursor; contacting the support material with a dopant including a non-Group IV metal halide to form a doped catalyst precursor; and activating the doped catalyst precursor by contact with an organoaluminum compound to form a Ziegler-Natta catalyst.Type: ApplicationFiled: February 16, 2011Publication date: August 16, 2012Applicant: Fina Technology, Inc.Inventors: LEI ZHANG, David Knoeppel
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Patent number: 8193288Abstract: This invention relates to a supported nonmetallocene catalyst for olefin polymerization, which is produced by directly reacting a nonmetallocene ligand with a catalytically active metallic compound on a carrier through an in-situ supporting process. The process according to this invention is simple and feasible, and it is easy to adjust the load of the nonmetallocene ligand on the porous carrier. The supported nonmetallocene catalyst according to this invention can be used for olefin homopolymerization/copolymerization, even in combination with a comparatively less amount of the co-catalyst, to achieve a comparatively high polymerization activity. Further, the polymer product obtained therewith boasts desirable polymer morphology and a high bulk density.Type: GrantFiled: October 15, 2008Date of Patent: June 5, 2012Assignee: Sinopec Yangzi Petro-Chemical Ltd.Inventors: Yuefeng Gu, Chuanfeng Li, Xiaoli Yao, Zhonglin Ma, Bo Liu, Feng Guo, Yaming Wang, Jiye Bai, Shaohui Chen, Xiaoqiang Li
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Patent number: 8044155Abstract: A catalyst system obtainable by the process comprising the steps of contacting an adduct of formula (I) MgT2.yAlQj(OR?)3-j??(I) wherein T is chlorine, bromine, or iodine; R? is a linear or branched C1-C10 alkyl radical; y ranges from 1.00 to 0.05; and j ranges from 0.01 to 3.00; with at least one metallocene compound having titanium as central metal and at least one ligand having a cyclopentadienyl skeleton.Type: GrantFiled: May 1, 2008Date of Patent: October 25, 2011Assignee: Stichting Dutch Polymer InstituteInventors: John Richard Severn, John Clement Chadwick
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Publication number: 20110124831Abstract: The present invention relates to a self-assembled olefin polymerization catalyst comprising a transition metal compound according to formula (I) LqMmXn wherein M is a transition metal selected from the group consisting of Group 3-11 of the periodic table; X is independently selected from the group consisting of H, halogen, CN, optionally substituted N(Ra)2, OH, optionally substituted C1-C20 alkyl, optionally substituted C1-C20 alkoxy, wherein Ra is independently selected from the group consisting of optionally substituted C1-C20 alkyl, optionally substituted C6-C20 aryl and halogen; q is an integer of at least 2; m is an integer of at least 2; n is an integer making (I) electrically neutral; L is independently a ligand which has at least two linked coordination units, wherein each coordination unit binds to a different transition metal.Type: ApplicationFiled: January 14, 2008Publication date: May 26, 2011Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventor: He-Kuan Luo
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Patent number: 7851395Abstract: This invention relates to an improved method for improving the tacticity of Ziegler-Natta catalyst systems and for controlling the behaviour of the active stereospecific sites.Type: GrantFiled: April 4, 2007Date of Patent: December 14, 2010Assignee: Total Petrochemicals Research FeluyInventors: David Ribour, Roger Spitz, Jerome Gromada
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Publication number: 20100099833Abstract: The component of magnesium halide adduct is represented by MgX2 mROH nE pH2O, in which X is chlorine, bromine, C1-C14alkoxy or aryloxy; R is C1-C12 alkyl, C3-C10 cycloalkyl or C6-C10 aryl; E is represented by the general formula (II), wherein R1 and R2 which can be the same or different to each other, are hydrogen or linear or branched C1-C10 hydrocarbon groups, C3-C10 cycloalkyl, C6-C10 aryl, C7-C10 alkaryl or aralkyl, optionally, the said aryl or alkylaryl or arylalkyl is substituted by one or more halogen in the aromatic ring, R1 and R2 can form ring or fused ring. R3 and R4 have the same meaning of R1 and R2 except that they can't be hydrogen, m is 1-5, n is 0.005-1.0, and p is 0-0.8. Spherical catalyst component and catalyst made from the above spherical magnesium halide adduct and their use in polymerising the alpha-olefins CH2=CHR and their mixture are provided, in which R is hydrogen or C1-C12 alkyl or aryl.Type: ApplicationFiled: April 6, 2007Publication date: April 22, 2010Inventors: Xianzhi Xia, Yuexiang Liu, Xinsheng Wang, Tianyi Zhang, Mingzhi Gao, Ping Gao, Suzhen Qiao, Maoping Yin, Ying Chen, Renqi Peng, Jing Ma
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Patent number: 7683003Abstract: A method for identifying a catalyst composition for use in the heterogeneous Ziegler-Natta addition polymerization of an olefin monomer, said catalyst composition comprising a procatalyst comprising a magnesium and titanium containing procatalyst and a cocatalyst said method comprising: a) providing a library comprising at least one procatalyst compound, b) forming a catalyst composition library by contacting the member of said procatalyst library with one or more cocatalysts and contacting the resulting mixture with an olefin monomer under olefin polymerization conditions thereby causing the polymerization reaction to take place, c) measuring at least one variable of interest during the polymerization, and d) selecting the catalyst composition of interest by reference to said measured variable.Type: GrantFiled: May 13, 2005Date of Patent: March 23, 2010Assignee: Dow Global Technologies, Inc.Inventors: Richard E. Campbell, Jr., Sylvie Desjardins, Phillip D. Hustad, Duane R. Romer
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Publication number: 20100056736Abstract: This invention relates to an improved method for improving the tacticity of Ziegler-Natta catalyst systems and for controlling the behaviour of the active stereospecific sites.Type: ApplicationFiled: April 4, 2007Publication date: March 4, 2010Applicants: TOTAL PETROCHEMICALS RESEARCH FELUY, Centre National de la Recherche Scientifique (CNRInventors: David Ribour, Roger Spitz, Jerome Gromada
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Patent number: 7655590Abstract: Catalyst components, methods of forming catalyst compositions, polymerization processes utilizing the catalyst compositions and polymers formed thereby are described herein. The methods generally include providing a magnesium dialkoxide compound, contacting the magnesium dialkoxide compound with a first agent to form a solution of a reaction product “A1”, contacting the solution of reaction product “A1” with a reducing agent to form a reduced reaction product “A2”, contacting reduced reaction product “A2” with a second agent to form a solid reaction product “A3”, contacting solid reaction product “A3” with a metal halide to form reaction product “B” and contacting reaction product “B” with an organoaluminum compound to form a catalyst component.Type: GrantFiled: December 20, 2007Date of Patent: February 2, 2010Assignee: Fina Technology, Inc.Inventors: Henry Enriquez, Kayo Vizzini, Steven Gray
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Patent number: 7560521Abstract: A catalyst component for the polymerization of olefins comprising a titanium compound, a Mg-dihalide, a difunctional electron donor compound (ED) selected from diesters, diketones, diamines or diethers, and a monofunctional electron donor compound (MD) selected from ethers, esters, amines or ketones, wherein a molar ratio ED/MD is higher than 10.Type: GrantFiled: August 5, 2005Date of Patent: July 14, 2009Assignee: Basell Poliolefine Italia S.p.A.Inventors: Gianni Collina, Ofelia Fusco, Diego Brita
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Patent number: 7504352Abstract: A catalyst for use in the formation of polypropylene is disclosed that comprises a titanium compound having at least one titanium-halogen bond, supported on an activated, amorphous magnesium dihalide support that is essentially free of alkoxy functionality, with a titanium metal content of no more than about 2 wt %, based on the weight of the support, and an internal donor component.Type: GrantFiled: May 3, 2002Date of Patent: March 17, 2009Assignee: Basell Polidefine Italia s.r.l.Inventors: Ronald Alan Epstein, William Thomas Wallack
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Publication number: 20080312389Abstract: The invention is directed to a process for the preparation of a catalyst component wherein a compound with formula Mg(OAlk)xCly wherein x is larger than 0 and smaller than 2, y equals 2-x and each Alk, independently represents an alkyl group, is contacted with a titanium tetraalkoxide and/or an alcohol in the presence of an inert dispersant to give an intermediate reaction product and wherein the intermediate reaction product is contacted with titanium tetrachloride in the presence of an internal donor. The invention also relates to a polymerization catalyst comprising the catalyst component and furthermore the invention relates to the polymerization of an olefin in the presence of the polymerization catalyst comprising the catalyst component.Type: ApplicationFiled: November 11, 2005Publication date: December 18, 2008Inventors: Yves Johann Elizabeth Ramjoie, Sergei Andreevich Sergeev, Mark Vlaar, Vladimir Aleksandrovich Zakharov, Gennadii Dimitrievich Bukatov
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Patent number: 7427653Abstract: A catalyst component for olefin (co)polymerization, and in particular for the preparation of LLDPE, comprising Mg, Ti, halogen and an electron donor compound (ED) belonging to ethers, esters, amines, ketones, or nitriles, characterized in that the molar ratio Mg/Ti is higher than 5, and the molar ratio ED/Ti is higher than 3.5. The said catalyst components display a homogeneous distribution of the comonomer in and among the copolymer chains.Type: GrantFiled: November 25, 2003Date of Patent: September 23, 2008Assignee: Basell Poliolefine Italia S.p.AInventors: Diego Brita, Gianni Collina, Giampiero Morini, Gianni Vitale
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Patent number: 7390764Abstract: This invention provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer This invention also provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer, wherein said catalyst composition comprises a post-contacted organometal compound, a post-contacted organoaluminum compound, and a post-contacted fluorided silica-alumina.Type: GrantFiled: December 12, 2005Date of Patent: June 24, 2008Assignee: Phillips Petroleum CompanyInventors: Max P. McDaniel, Elizabeth A. Benham, Michael D. Jensen, Joel L. Martin, Gil R. Hawley
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Publication number: 20080146756Abstract: A catalyst component for the polymerization of olefins comprising a titanium compound, a Mg-dihalide, a difunctional electron donor compound (ED) selected from diesters, diketones, diamines or diethers, and a monofunctional electron donor compound (MD) selected from ethers, esters, amines or ketones, wherein a molar ratio ED/MD is higher than 10.Type: ApplicationFiled: August 5, 2005Publication date: June 19, 2008Applicant: Basell Poliolefine Italia S.p.A.Inventors: Gianni Collina, Ofelia Fusco, Diego Brita
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Patent number: 7316987Abstract: Catalyst component for the polymerization of olefins obtainable by contacting: (i) a magnesium halide, or a suitable precursor; (ii) a monofunctional electron donor compound (MD) selected from ethers, esters, amines or ketones, used in such amounts to have Mg/MD molar ratios of at least 50; (iii) a titanium compound of formula Ti(ORI)n-yXy, where n is the valence of titanium, y is a number between 1 and n, X is halogen, and RI is a C1-C15 hydrocarbon group and, optionally, (iv) an electron donor compound (ED). The said catalyst component shows improved activity in the polymerization of olefins.Type: GrantFiled: June 24, 2002Date of Patent: January 8, 2008Assignee: Basell Poliolefine Italia S.p.A.Inventors: Gianni Collina, Ofelia Fusco, Diego Brita
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Patent number: 7271119Abstract: Process for preparing an olefin polymerisation catalyst component in the form of particles having a predetermined size range, said process comprising the steps of a) preparing a solution of a complex of a Group 2 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; b) adding said solution of said complex to at least one compound of a transition material to produce an emulsion, the dispersed phase of which contains more than 50 mol % of the Group 2 metal in said complex; c) agitating the emulsion, optionally in the presence of an emulsion stabilizer, in order to maintain the droplets of said dispersed phase within the average size range 5 to 200 m; d) solidifying said droplets of the dispersed phase; and e) recovering the solidified particles of the olefin polymerisation catalyst component, wherein a turbulence minimizing agent (TMA) is added to the reaction mixture before solidifying said droplets of the disperseType: GrantFiled: June 18, 2002Date of Patent: September 18, 2007Assignee: Borealis Technology OyInventors: Peter Denifl, Timo Leinonen
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Catalyst for the synthesis of dimethyl carbonate from urea and methanol, preparation and use thereof
Patent number: 7271120Abstract: A catalyst for the preparation of dimethyl carbonate from urea and methanol having a composition on weight base of: active component of from 20 to 50 wt %, and carrier of from 80 to 50 wt %, and prepared by equal-volume spraying and impregnating method is disclosed. The method for the synthesis of dimethyl carbonate can be carried out in a catalytic rectification reactor, said method comprising: (1) dissolving urea in methanol to form a methanol solution of urea; and (2) feeding the methanol solution of urea and methanol counter-currently into the reaction zone, wherein the reaction is carried out at conditions including reaction temperature of from 120° C. to 250° C., reaction pressure of from 0.1 MPa to 5 MPa, kettle bottom temperature of from 70° C. to 210° C., stripping section temperature of from 70° C. to 250° C., rectifying section temperature of from 70° C. to 280° C., and reflux ratio of from 1:1 to 20:1.Type: GrantFiled: August 22, 2005Date of Patent: September 18, 2007Assignees: Institute of Coal Chemistry, Chinese Academy of Sciences, Feicheng Acid Chemicals Co., Ltd.Inventors: Yuhan Sun, Wei Wei, Ning Zhao, Baoyuan Sun, Bingsheng Zhang, Yanjun Chen -
Patent number: 7256151Abstract: A solid catalyst component for ?-olefin polymerization, which comprises a titanium atom, a magnesium atom, a halogen atom, a phthalic acid ester compound, and a 1,3-diether compound, wherein an amount of the 1,3-diether compound contained in the solid catalyst component is 0.1 to 3 mol per one mol of the phthalic acid ester compound contained therein; a process for producing a catalyst for ?-olefin polymerization, which comprises the step of contacting at least the above solid catalyst component, an organoaluminum compound, and an external electron donor compound with one another; and a process for producing an ?-olefin polymer, which comprises the step of homopolymerizing or copolymerizing an ?-olefin in the presence of a catalyst produced by the above process.Type: GrantFiled: April 20, 2005Date of Patent: August 14, 2007Assignee: Sumitomo Chemical Company LimitedInventor: Shin-ichi Kumamoto
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Patent number: 7256150Abstract: A process for producing a Gp 2/transition metal olefin polymerisation catalyst component, in which a Gp 2 complex is reacted with a transition metal compound so as to produce an oil-in-oil emulsion, the disperse phase containing the preponderance of the Gp 2 metal being selectively sorbed on a carrier to provide a catalyst component of excellent morphology. Polymerisation of olefins using a catalyst containing such a component is also disclosed.Type: GrantFiled: June 18, 2002Date of Patent: August 14, 2007Assignee: Borealis Polymers OyInventors: Peter Denifl, Timo Leinonen
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Patent number: 7220696Abstract: Disclosed is a catalyst for olefin polymerization comprising [I] a solid titanium catalyst component [S] comprising titanium, magnesium, halogen and an electron donor (b), which is obtained by bringing a solid adduct consisting of a magnesium compound and an electron donor (a) into contact with an electron donor (b) and a liquid titanium compound by at least one method selected from (A) a method of contacting the materials in a suspended state in the coexistence of an inert hydrocarbon solvent and (B) a method of contacting the material plural times individed portions and [II] an organometallic compound catalyst component [M] containing a metal selected from the groups I to III in the periodic table.Type: GrantFiled: April 3, 2003Date of Patent: May 22, 2007Assignee: Mitsui Chemicals, Inc.Inventors: Kazuhisa Matsunaga, Masao Nagano, Masaaki Ohgizawa, Toshiyuki Tsutsui
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Patent number: 7211534Abstract: A magnesium halide support material for a polyolefin catalysts is disclosed. The magnesium halide of present invention is prepared by reacting magnesium with an alkylhalide in a non-polar hydrocarbon solvent. Preparation of the support does not require the use electron donating solvents and therefore does not require extensive washing to remove the solvent from the support.Type: GrantFiled: February 12, 2003Date of Patent: May 1, 2007Assignee: Formosa Plastics Corporation, U.S.A.Inventors: Honglan Lu, Gapgoung Kong, Zhongyang Liu, Chih-Jian Chen
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Patent number: 7199201Abstract: The neodymium catalyst system prepared by the technique of this invention can be used in the polymerization of isoprene monomer into synthetic polyisoprene rubber having an extremely high cis-microstructure content and high stereo regularity. This polyisoprene rubber will crystallize under strain and can be compounded into rubber formulations in a manner similar to natural rubber. This invention more specifically discloses a process for the synthesis of polyisoprene rubber which comprises polymerizing isoprene monomer in the presence of a neodymium catalyst system, wherein the neodymium catalyst system is prepared by a process that comprises (1) reacting a neodymium carboxylate with an organoaluminum compound in an organic solvent to produce neodymium-aluminum catalyst component, and (2) subsequently reacting the neodymium-aluminum catalyst component with an elemental halogen to produce the neodymium catalyst system, wherein the neodymium catalyst system is void of nickel-containing compounds.Type: GrantFiled: November 23, 2005Date of Patent: April 3, 2007Assignee: The Goodyear Tire & Rubber CompanyInventors: Adel Farhan Halasa, Wen-Liang Hsu, Aaron Michael Ryba, Jin-Ping Zhou, Chad Aaron Jasiunas, Paul Harry Sandstrom
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Patent number: 7109142Abstract: This invention concerns a solid catalyst component for olefin polymerization and the process for obtaining the catalyst component having titanium, halogen, magnesium, an organic acid ester and a relative surface area of 0.1–15 m2/g as measured according to a BET method and wherein the organic acid ester is contained in the solid catalyst component in an amount of 11% by weight or more.Type: GrantFiled: March 7, 2005Date of Patent: September 19, 2006Assignee: Sumitomo Chemical Company, LimitedInventors: Shin-ichi Kumamoto, Makoto Satoh, Hideki Ohshima
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Patent number: 7109277Abstract: A process to produce a polymer is provided. The process comprising contacting a treated solid oxide compound, an organometal compound, and an organoaluminum compound in the presence of an alpha olefin under polymerization conditions to produce the polymer.Type: GrantFiled: September 26, 2003Date of Patent: September 19, 2006Assignee: Phillips Petroleum CompanyInventors: Gil R. Hawley, Max P. McDaniel, Christopher E. Wittner, Michael D. Jensen, Joel L. Martin, Elizabeth A. Benham, Anthony P. Eaton, Kathy S. Collins
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Patent number: 7091150Abstract: The neodymium catalyst system prepared by the technique of this invention can be used in the polymerization of isoprene monomer into synthetic polyisoprene rubber having an extremely high cis-microstructure content and high stereo regularity. This polyisoprene rubber will crystallize under strain and can be compounded into rubber formulations in a manner similar to natural rubber. This invention more specifically discloses a process for preparing a neodymium catalyst system which comprises (1) reacting a neodymium carboxylate with an organoaluminum compound in an organic solvent to produce neodymium-aluminum catalyst component, and (2) subsequently reacting the neodymium-aluminum catalyst component with an elemental halogen to produce the neodymium catalyst system. The present invention further discloses a synthetic polyisoprene rubber which is comprised of repeat units that are derived from isoprene, wherein the synthetic polyisoprene rubber has a cis-microstructure content which is within the range of 98.Type: GrantFiled: September 16, 2004Date of Patent: August 15, 2006Assignee: The Goodyear Tire & Rubber CompanyInventors: Adel Farhan Halasa, Wen-Liang Hsu, Aaron Michael Ryba, Jin-Ping Zhou, Chad Aaron Jasiunas, Paul Harry Sandstrom
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Patent number: 7074736Abstract: A hydrozirconated matrix for the production of polyolefins is disclosed. The hydrozirconated matrix is prepared from the reaction of an organozirconium composition and an olefin based material. A process is described for using the hydrozirconated matrix to prepare a range of polyolefin products.Type: GrantFiled: October 9, 2001Date of Patent: July 11, 2006Assignee: Rohm and Haas CompanyInventors: Eric Gustave Lundquist, Jennifer Annette Reichl, James Charles Bohling
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Patent number: 7026265Abstract: Process for the preparation of a particular olefin polymerisation catalyst component including magnesium dihalide, titanium tetrahalide and a carboxylic acid ester, in which the precursors of its constituents are reacted in solution from which the component is precipitated, this precipitation being accompanied by co-precipitation of one or more oligoesters of the carboxylic acid formed in a controlled manner.Type: GrantFiled: October 18, 2001Date of Patent: April 11, 2006Assignee: Borealis Technology OyInventors: Timo Leinonen, Peter Denifl
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Patent number: 7022793Abstract: A process for the preparation of heterophasic elastomeric polymer comprising the step of polymerizing ethylene, an alpha-olefin CH2?CHL, where L is an alkyl, cycloalkyl or aryl radical with 1–10 carbon atoms and a non-conjugated diene in the presence of a catalyst system comprising a transition metal catalyst component supported on a porous alpha-olefin polymer, characterized in that at least part of the diene is impregnated on the porous alpha-olefin polymer.Type: GrantFiled: November 22, 2002Date of Patent: April 4, 2006Assignee: Basell Polyolefine GmbHInventors: Maurizio Galimberti, Angelo Ferraro, Giovanni Baruzzi, Ofelia Fusco
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Patent number: 7022795Abstract: Propylene homopolymers, wherein, in their separation according to tacticity by first dissolving the polymers in boiling xylene, then cooling the solution to 25° C. at a cooling rate of 10° C./h and then, with ascending temperature, separating the propylene homopolymers into fractions of different tacticity, either one or more of the conditions that i) the fraction of propylene homopolymers which remains undissolved on heating the cooled propylene homopolymer solution to 112° C. is greater than 20% by weight or ii) the fraction of propylene homopolymers which remains undissolved on heating the cooled propylene homopolymer solution to 117° C. is greater than 8% by weight or iii) the fraction of propylene homopolymers which remains undissolved on heating the cooled propylene homopolymer solution to 122° C. is greater than 1% by weight, are satisfied.Type: GrantFiled: March 13, 1998Date of Patent: April 4, 2006Assignee: Novolen Technology Holdings, C.V.Inventors: Stephan Hüffer, Joachim Rösch, Stefan Seelert, Franz Langhauser, Dieter Lilge, Roland Hingmann, Günther Schweier
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Patent number: 7015169Abstract: The present invention relates to catalyst systems of the Ziegler-Natta type, to a process for preparing them, to their use for the polymerization of olefins and to ethylene copolymers which can be prepared using this catalyst system.Type: GrantFiled: December 10, 2002Date of Patent: March 21, 2006Assignee: BASF AktiengesellschaftInventors: Klaus Föttinger, Martin Schneider, Rainer Karer