Nonmetallic Organic Nitrogen Containing Patents (Class 502/123)
  • Patent number: 10273319
    Abstract: A catalyst system for the polymerization of olefins may include a first solid catalytic component and a second solid catalytic component. The first solid catalytic component may include: a spherical MgCl2-xROH support; a group 4-8 transition metal; and a diether internal electron donor. The second solid catalytic component may include: a spherical MgCl2-xROH support; a group 4-8 transition metal; and a diether internal electron donor. The first solid catalytic component produces a propylene homopolymer having a Xylene Solubles (XS) value of greater than 2 wt %; and the second solid catalytic component produces a propylene homopolymer having a XS value of less than 2 wt %. The second catalytic component may act as an external electron donor during use, and embodiments herein do not require use of any additional external electron donors to control polymerization and reliably vary the properties of the resulting polymer.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: April 30, 2019
    Assignee: Lummus Novolen Technology GmbH
    Inventors: Yvonne Denkwitz, Oliver Schuster, Andreas Winter
  • Patent number: 9670298
    Abstract: Catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor of formula (I) Where R1 and R2, independently, are selected from hydrogen and C1-C15 hydrocarbon groups, optionally contain an heteroatom selected from halogen, P, S, N, O and Si, which can be fused together to form one or more closed cycles and A is a bivalent bridging group.
    Type: Grant
    Filed: September 23, 2013
    Date of Patent: June 6, 2017
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Alessandro Mignogna, Davide Balboni, Antonio Cristofori, Giampiero Morini
  • Patent number: 9605096
    Abstract: A method is provided for polymerizing an olefin monomer in a reactor with a highly active polyolefin polymerization catalyst system. The method includes introducing a catalyst system comprising a catalyst and a catalyst activator into the reactor containing the olefin monomer with less than 10 seconds or no pre-contacting time of the catalyst and the catalyst activator prior to introducing the catalyst and the catalyst activator into the reactor. The catalyst system may have a standard adjusted catalyst activity of greater than 10 gPgcat?1hr?1.
    Type: Grant
    Filed: June 5, 2014
    Date of Patent: March 28, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Todd S. Edwards, Kevin W. Lawson
  • Patent number: 8952111
    Abstract: Olefin polymerization is carried out with a supported phosphinimine catalyst which has been treated with a long chain substituted amine compound.
    Type: Grant
    Filed: September 19, 2011
    Date of Patent: February 10, 2015
    Assignee: Nova Chemicals (International) S.A.
    Inventors: Peter Phung Minh Hoang, Benjamin Milton Shaw, Patrick Lam, Victoria Ker, Cliff Robert Baar, Lee Douglas Henderson, Charles Ashton Garret Carter, Yan Jiang
  • Publication number: 20150031824
    Abstract: The present invention relates to a catalyst composition for the polymerisation of olefins comprising a support containing a single site catalyst component, a catalyst activator and a modifier wherein the modifier is the product of reacting an aluminum compound of general formula AI(R1, R2, R3) with an amine compound of general formula N(R4, R5, R6). The catalyst composition reduces fouling and/or sheeting when used to catalyse the polymerisation of olefins. The present invention also relates to a method for the polymerisation of olefins using the catalyst composition of the invention.
    Type: Application
    Filed: December 20, 2012
    Publication date: January 29, 2015
    Inventors: Bart Albertus Hubertus van den Esschert, Maria Johanna Willems, Abdulaziz Hamad Al-Humydi, Yahya Banat, Atieh Aburaqabah, Said Fellahi
  • Patent number: 8895466
    Abstract: The present invention discloses an active metallocene catalyst system prepared with a hafnium-based metallocene catalyst system and an activating agent comprising an aluminoxane and a sterically hindered Lewis base.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: November 25, 2014
    Assignee: Total Research & Technology Feluy
    Inventors: Vincenzo Busico, Roberta Cipullo, Roberta Pellecchia, Abbas Razavi
  • Patent number: 8809221
    Abstract: The present invention discloses new class of nitrogen containing external donor systems. These donor systems are used in titanium supported on magnesium dichloride pro-catalyst system for polymerization of propylene. The external donor systems of the present invention in combination with silane show the kinetics control for diester catalyst polymerization process along with stereo regularity control of product. The polypropylene produced using nitrogen containing external donor systems of the present invention have broad molecular weight distribution.
    Type: Grant
    Filed: May 7, 2012
    Date of Patent: August 19, 2014
    Assignee: Reliance Industries Limited
    Inventors: Harshad Ramdas Patil, Priyanshu Bharatkumar Vyas, Virendrakumar Gupta
  • Patent number: 8802584
    Abstract: A supported catalyst system comprising a phosphinimine ligand containing catalyst on a porous inorganic support treated with a metal salt has improved reactor continuity in a dispersed phase reaction in terms of initial activation and subsequent deactivation. The resulting catalyst has a lower consumption of ethylene during initiation and a lower rate of deactivation. Preferably the catalyst is used with an antistatic agent.
    Type: Grant
    Filed: March 27, 2012
    Date of Patent: August 12, 2014
    Assignee: Nova Chemicals (International) S.A.
    Inventors: Lee Douglas Henderson, Peter Phung Minh Hoang, Ian Ronald Jobe, Xiaoliang Gao
  • Patent number: 8778827
    Abstract: The present invention relates to a catalyst composition comprising: (a) a binuclear chromium(II) complex; (b) a ligand of the general structure (A) R1R2P—N(R3)—P(R4)—N(R5)—H or (B) R1R2P—N(R3)—P(R4)—N(R5)—PR6R7, wherein R1, R2, R3, R4, R5, R6 and R7 are independently selected from halogen, amino, trimethylsilyl, C1-C10-alkyl, aryl and substituted aryl, wherein the PNPN- or PNPNP-unit is optionally part of a ring system; and (c) an activator or co-catalyst, as well as to a process for oligomerization of ethylene.
    Type: Grant
    Filed: November 5, 2008
    Date of Patent: July 15, 2014
    Assignees: Saudi Basic Industries Corporation, Linde AG
    Inventors: Vugar Aliyev, Mohammed Al-Hazmi, Fuad Mosa, Peter M. Fritz, Heinz Bölt, Anina Wöhl, Wolfgang Müller, Florian Winkler, Anton Wellenhofer, Uwe Rosenthal, Bernd H. Müller, Marko Hapke, Normen Peulecke
  • Publication number: 20140155560
    Abstract: The present invention discloses new class of nitrogen containing external donor systems. These donor systems are used in titanium supported on magnesium dichloride pro-catalyst system for polymerization of propylene. The external donor systems of the present invention in combination with silane show the kinetics control for diester catalyst polymerization process along with stereo regularity control of product. The polypropylene produced using nitrogen containing external donor systems of the present invention have broad molecular weight distribution.
    Type: Application
    Filed: May 7, 2012
    Publication date: June 5, 2014
    Applicant: Reliance Industries Limited
    Inventors: Harshad Ramdas Patil, Priyanshu Bharatkumar Vyas, Virendrakumar Gupta
  • Patent number: 8722821
    Abstract: The method of making polyolefin with a silicon nitride nano-filler uses silicon nitride (SiN) as a promoter for in situ polymerization with a zirconocene catalyst. The method includes adding the bis(cyclopentadienyl) zirconium dichloride catalyst and nanoparticles of silicon nitride to a reactor. The reactor is then charged with toluene and a methylaluminoxane co-catalyst, and is heated for a period of time sufficient to bring the reactor to a polymerization reaction temperature. Nitrogen gas is removed from the reactor following the heating, and then ethylene monomer is fed into the reactor, initiating polymerization. The polymerization is then quenched, and non-reacted monomer is vented. The polyolefin product is then removed from the reactor, washed and dried.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: May 13, 2014
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Mamdouh Ahmed Al-Harthi, Omer Bin Sohail, Sadhan Kumar De, Masiullah Jabarullah Khan
  • Publication number: 20140128250
    Abstract: 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.
    Type: Application
    Filed: January 15, 2014
    Publication date: May 8, 2014
    Applicant: Total Research & Technology Feluy
    Inventors: Alain Standaert, Jerome Gromada, David Vandewiele
  • Patent number: 8710275
    Abstract: Modification of a unique supramolecular assembly of a pyridylphosphine ligand and a metal centered porphyrin complex is shown to give unprecedented selectivities to branched aldehydes via rhodium catalyzed hydroformylation of propylene and 1-octene. Use of magnesium in the porphyrin center provides the highest reported concentrations of iso-butyraldehyde and 2-methyl-octanal.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: April 29, 2014
    Assignee: Eastman Chemical Company
    Inventors: David William Norman, Joost Nicolaas Hendrik Reek, Tatiana Renee Marie-Louise Besset
  • Patent number: 8664343
    Abstract: A polymerization catalyst composition for preparing cis 1,4-polydienes is provided. The catalyst composition comprises (a) a metal-containing compound, said metal being a transition metal or a lanthanide metal; (b) a carbene, (c) an alkylating agent, and optionally (d) a halogen-containing compound with the proviso that the halogen-containing compound must be present when none of the metal-containing compound and the alkylating agent contain a labile halogen atom. Also provided is a process for producing a polydiene comprising reacting a conjugated diene in the presence of the polymerization catalyst composition.
    Type: Grant
    Filed: June 9, 2009
    Date of Patent: March 4, 2014
    Assignee: Bridgestone Corporation
    Inventors: Zengquan Qin, Jason T. Poulton
  • Patent number: 8648001
    Abstract: A catalyst for polymerization of olefins formed from (A) a solid catalyst component containing magnesium, titanium, halogen, and an electron donor compound, (B) an organoaluminum compound shown by the formula, R6pAlQ3-p, and (C) an aminosilane compound shown by the formula, R3nSi(NR4R5)4-n; and a process for producing a catalyst for polymerization of olefins in the presence of the catalyst are provided. A novel aminosilane compound, a catalyst component for polymerization of olefins having a high catalytic activity, capable of producing polymers with high stereoregularity in a high yield, and exhibiting an excellent hydrogen response, a catalyst, and a process for producing olefin polymers using the catalyst are provided.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: February 11, 2014
    Assignee: Toho Titanium Co., Ltd.
    Inventors: Motoki Hosaka, Takefumi Yano, Maki Sato, Kohei Kimura
  • Patent number: 8648000
    Abstract: Process for producing homopolymers or copolymers of conjugated dienes by contacting monomeric material including at least one conjugated diene with a catalyst system comprising (A) a first transition metal compound selected from Cr, Mo and W compounds, and a second transition metal compound selected from Fe, Co and Ni compounds, (B) a catalyst modifier and, optionally, (C) one or more catalyst activators.
    Type: Grant
    Filed: October 26, 2007
    Date of Patent: February 11, 2014
    Assignee: Ineos Commercial Services UK Limited
    Inventors: Juan Jose Chirinos-Colina, Vernon Charles Gibson, Grant Berent Jacobsen
  • Patent number: 8642494
    Abstract: 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: Grant
    Filed: April 29, 2013
    Date of Patent: February 4, 2014
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Hugues Haubruge, Guillaume Pavy, Alain Standaert
  • Patent number: 8637721
    Abstract: The present invention relates to a catalyst composition and a process for di-, tri- and/or tetramerization of ethylene, wherein the catalyst composition comprises a chromium compound, a ligand of the general structure (A) R1R2P—N(R3)—P(R4)—N(R5)—H or (B) R1R2P—N(R3)—P(R4)—N(R5)—PR6R7, or any cyclic derivatives of (A) and (B), wherein at least one of the P or N atoms of the PNPN-unit or PNPNP-unit is member of a ring system, the ring system being formed from one or more constituent compounds of structures (A) or (B) by substitution and a co-catalyst or activator.
    Type: Grant
    Filed: June 16, 2008
    Date of Patent: January 28, 2014
    Assignees: Saudi Basic Industries Corporation, Linde AG
    Inventors: Peter M. Fritz, Heinz Bölt, Anina Wöhl, Wolfgang Müller, Florian Winkler, Anton Wellenhofer, Uwe Rosenthal, Bernd H. Müller, Marko Hapke, Normen Peulecke, Mohammed Hassan Al-Hazmi, Vugar O. Aliyev, Fuad Mohammed Mosa
  • Patent number: 8614162
    Abstract: Disclosed are catalyst compositions having an external electron donor which includes one or more of the following compositions: a phosphite, a phosphonite, a pyrophosphite, and/or a diphosphazane. Ziegler-Natta catalyst compositions containing the present external electron donor exhibit strong activity and produce propylene-based olefins with high isotacticity and high melt flow rate.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: December 24, 2013
    Assignee: Dow Global Technologies LLC
    Inventor: Joseph N. Coalter, III
  • Patent number: 8551903
    Abstract: Disclosed is a process for producing a procatalyst composition having an amide ester internal electron donor. The process includes pre-halogenating a procatalyst precursor before reaction with the amide ester and forming the procatalyst composition. Ziegler-Natta catalyst compositions containing the present procatalyst composition exhibit improved catalyst activity and/or improved catalyst selectivity and produce propylene-based olefins with broad molecular weight distribution.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: October 8, 2013
    Assignee: Dow Global Technologies LLC
    Inventors: Linfeng Chen, Clark C. Williams, Tak W. Leung, Tao Tao, Kuanqiang Gao, James X. Shu
  • Patent number: 8541333
    Abstract: A catalyst component for olefin polymerization comprising an ?-cyanosuccinate compound as an internal electron donor, a catalyst comprising the catalyst component, and use of the catalyst in olefin polymerization. When used in propylene polymerization, the catalyst can exhibit good catalytic activity and good hydrogen response, and the resulting polymer can have a good isotacticity and a good molecular weight distribution.
    Type: Grant
    Filed: August 13, 2010
    Date of Patent: September 24, 2013
    Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
    Inventors: Lunjia Xie, Yongtai Ling, Yu Tian, Zaixing Feng, Siyuan Zhao, Qing Hu, Zhufang Sun, Yu Kang
  • Publication number: 20130237407
    Abstract: 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.
    Type: Application
    Filed: April 29, 2013
    Publication date: September 12, 2013
    Applicant: TOTAL RESEARCH & TECHNOLOGY FELUY
    Inventors: Hugues Haubruge, Guillaume Pavy
  • Patent number: 8471085
    Abstract: Among other things, this disclosure provides an olefin oligomerization system and process, the system comprising: a) a transition metal compound; b) a pyrrole compound having a hydrogen atom on at the 5-position or the 2- and 5-position of a pyrrole compound and having a bulky substituent located on each carbon atom adjacent to the carbon atom bearing a hydrogen atom at the 5-position or the 2- and 5-position of a pyrrole compound. These catalyst system have significantly improved productivities, selectivities to 1-hexene, and provides higher purity 1-hexene within the C6 fraction than catalyst systems using 2,4-dimethyl pyrrole.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: June 25, 2013
    Assignee: Chevron Phillips Chemical Company LP
    Inventor: Orson L. Sydora
  • Patent number: 8466081
    Abstract: Disclosed are halogenated amide esters that are suitable as internal electron donors in procatalyst compositions. Ziegler-Natta catalyst compositions containing the present procatalyst compositions exhibit improved catalyst activity and/or improved catalyst selectivity and produce propylene-based olefins with broad molecular weight distribution.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: June 18, 2013
    Assignee: Dow Global Technologies LLC
    Inventors: Linfeng Chen, Tak W. Leung, Tao Tao, Kuanqiang Gao, James X. Shu
  • Patent number: 8435913
    Abstract: Provided are a catalyst for polymerization of propylene and a method for polymerization of propylene using the same. Specifically, provided are a catalyst for propylene polymerization which comprises titanium tetrachloride, an internal electron donor, and dialkoxy magnesium particles, as a carrier, obtained from the reaction of a halogen compound or nitrogen-halogen compound as a reaction initiator, metal magnesium and an alcohol, and a method for propylene polymerization using the same.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: May 7, 2013
    Assignee: Samsung Total Petrochemicals Co., Ltd.
    Inventors: Eun-Il Kim, Young-Joo Lee, Hoe-Chul Jung, Joon-Ryeo Park
  • Patent number: 8436111
    Abstract: Embodiments relate to a novel catalyst composition comprising a transition metal-containing compound, a PNP compound, an alkylating agent and a fluorine containing compound. Other embodiments relate to a method of polymerizing a diene monomer in the presence of the novel composition to form a diene-containing polymer having greater than 90% cis content.
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: May 7, 2013
    Assignee: Bridgestone Corporation
    Inventors: James H. Pawlow, Terrence E. Hogan
  • Patent number: 8399375
    Abstract: The invention relates to a supported metallocene catalyst composition and a process for the preparation of polyolefin using the same. A supported metallocene catalyst composition according to the invention is prepared by bringing a compound of a group IV transition metal into contact with an inorganic or organic porous carrier treated with an ionic compound. Advantages of a supported metallocene catalyst composition of the invention include an increase in the catalyst activity during polymerization of slurry and an olefin compound in the vapor phase even at a low content of metallocene metal components within the carrier, and an improvement in solving process problems such as fouling, sheeting, plugging or the like.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: March 19, 2013
    Assignees: SK Global Chemical Co., Ltd., SK Innovation Co., Ltd.
    Inventors: Seungyeol Han, Myungahn Ok, Young-Soo Ko, Chang-il Lee
  • Patent number: 8334420
    Abstract: A metal complex comprising a metal compound complexed to a heteroatomic ligand, the metal complex having Structure X: wherein R1, R2, R3, and R4 are each independently an alkyl group, a cycloalkyl group, a substituted cycloalkyl group, an aromatic group, or a substituted aromatic group, R1c, R2c, R3c, R4c, and R5c are each independently hydrogen or an alkyl group, and MXp comprises a group IVB, VB, or VIB metal. A metal complex comprising a metal compound complexed to a diphosphino aminyl ligand comprising at least two diphosphino aminyl moieties and a linking group linking each aminyl nitrogen atom of the diphosphino aminyl moieties.
    Type: Grant
    Filed: May 7, 2008
    Date of Patent: December 18, 2012
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Brooke L. Small, Jeffery C. Gee
  • Patent number: 8258361
    Abstract: The invention provides transition metal complex compounds, high-activity olefin oligomerization catalysts containing the compounds, and olefin oligomerization processes using the catalysts. A transition metal complex compound [A] according to the invention is represented by Formula (I) or Formula (I?) below. An olefin oligomerization catalyst includes the transition metal complex compound [A]. In an olefin oligomerization process of the invention, an olefin is oligomerized in the presence of the catalyst.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: September 4, 2012
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Yasuhiko Suzuki, Shinsuke Kinoshita, Atsushi Shibahara, Naritoshi Yoshimura, Isao Hara, Tetsuya Hamada, Kazumori Kawamura, Kou Tsurugi, Yasunori Saito, Seiichi Ishii, Yasushi Nakayama, Naoto Matsukawa, Susumu Murata
  • Patent number: 8258247
    Abstract: The object is to provide a catalyst component for ethylene polymerization which can produce an ethylene polymer of high molecular weight which has substantially only an ethyl branch, and a process for producing the catalyst component for ethylene polymerization which can produce an ethylene polymer of high molecular weight which has substantially only an ethyl branch. A catalyst component for polymerization of ethylene obtained by contacting the following components (A), (B), (C) and (D): component (A): a meso-metallocene compound, component (B): a compound which ionizes a metallocene compound to form an ionic complex, component (C): an organoaluminum compound, and component (D): an electron donating compound, and a process for producing the ethylene polymer by polymerizing ethylene in the presence of the above catalyst component for ethylene polymerization.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: September 4, 2012
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Yasutoyo Kawashima
  • Patent number: 8193288
    Abstract: 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: Grant
    Filed: October 15, 2008
    Date of Patent: June 5, 2012
    Assignee: 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
  • Patent number: 8097149
    Abstract: Oil soluble catalysts are used in a process to hydrodesulfurize petroleum feedstock having a high concentration of sulfur-containing compounds and convert the feedstock to a higher value product. The catalyst complex includes at least one attractor species and at least one catalytic metal that are bonded to a plurality of organic ligands that make the catalyst complex oil-soluble. The attractor species selectively attracts the catalyst to sulfur sites in sulfur-containing compounds in the feedstock where the catalytic metal can catalyze the removal of sulfur. Because the attractor species selectively attracts the catalysts to sulfur sites, non-productive, hydrogen consuming side reactions are reduced and greater rates of hydrodesulfurization are achieved while consuming less hydrogen per unit sulfur removed.
    Type: Grant
    Filed: June 17, 2008
    Date of Patent: January 17, 2012
    Assignee: Headwaters Technology Innovation, LLC
    Inventors: Zhihua Wu, Zhenhua Zhou, Bing Zhou
  • Patent number: 8043990
    Abstract: The invention relates to a catalyst system for polymerization of olefins, the catalyst system comprising a titanium-containing procatalyst carrying internal electron donor(s), an organoaluminium cocatalyst and a mixture of external electron donors, the mixture comprising a carboxylic acid ester or derivatives thereof, an alkoxy silane and a nitrogen based compound. The invention also relates to a process for polymerization of olefin(s) and to the polyolefin synthesized by the process.
    Type: Grant
    Filed: August 25, 2008
    Date of Patent: October 25, 2011
    Assignee: Reliance Industries Limited
    Inventors: Virendrakumar Gupta, Harshad Ramdas Patil, Dhananjay Ghelabhai Naik, Sukhdeep Kaur, Gurmeet Singh, Priyanshu Bharatkumar Vyas
  • Patent number: 8022005
    Abstract: This invention relates to an activator, catalyst system, and the use thereof. In one aspect, the catalyst system includes one or more polymerization catalysts and at least one activator. The activator comprises one or more heterocyclic heteroatom containing ligands coordinated to an alumoxane, wherein the activator is a reaction product of one or more alumoxanes and one or more heterocyclic heteroatom containing compounds, the one or more heterocyclic heteroatom containing ligands represented by the formula: where Y is O, S, PH or NH; wherein each substituent X2, X3, X4, X5, X6, and X7 is independently selected from the group consisting of hydrogen, chlorine, fluorine, iodine, and bromine, provided at least one of X2, X3, X4, X5, X6 and X7 is not hydrogen when Y is NH; and wherein the ratio of the heterocyclic heteroatom containing ligand to aluminum is between about 0.01 and about 10 molar equivalents. The catalyst system may be supported or non-supported.
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: September 20, 2011
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Matthew W. Holtcamp, Renuka N. Ganesh
  • Patent number: 8017708
    Abstract: 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 compound, an aluminum compound, and a nitroso compound. Improved polyolefin properties, such as high molecular weight, are obtained.
    Type: Grant
    Filed: October 2, 2009
    Date of Patent: September 13, 2011
    Assignee: Equistar Chemicals, LP
    Inventors: Sandor Nagy, Joachim T. M. Pater, Giampiero Morini
  • Publication number: 20110152067
    Abstract: 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.
    Type: Application
    Filed: August 21, 2008
    Publication date: June 23, 2011
    Inventors: Linfeng Chen, Richard E. Campbell, JR., Jan W. Van Egmond
  • Publication number: 20110124491
    Abstract: 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.
    Type: Application
    Filed: August 20, 2008
    Publication date: May 26, 2011
    Inventors: Linfeng Chen, Richard E. Campbell, JR.
  • Patent number: 7932330
    Abstract: A process for producing a modified particle, which comprises the step of contacting a compound (a) defined by the formula, M1L13, a compound (b) defined by the formula, R1t-1TH, a compound (c) or (e) defined by the formula, R2m-uM2(OH)u or R24-nJ(OH)n, respectively, and a particle (d) with one another; a carrier comprising a modified particle produced by said process; a catalyst component (A) comprising a modified particle produced by said process; a process for producing a catalyst for addition polymerization, which comprises the step of contacting said catalyst component (A), a transition metal compound (B) and an optional organoaluminum compound (C) with one another; and a process for producing an addition polymer, which comprises the step of addition polymerizing an addition-polymerizable monomer in the presence of a catalyst for addition polymerization produced by said process.
    Type: Grant
    Filed: April 7, 2008
    Date of Patent: April 26, 2011
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hideki Oshima, Makoto Satoh
  • Publication number: 20110082268
    Abstract: 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, and an indazole. Improved comonomer incorporation and the ability to regulate molecular weight are achieved in the manufacture of polyolefins.
    Type: Application
    Filed: October 2, 2009
    Publication date: April 7, 2011
    Inventors: Sandor Nagy, Joachim T.M. Pater, Giampiero Morini
  • Publication number: 20110082270
    Abstract: 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, and a pyridazine. Improved properties such as increased molecular weight and narrowed molecular weight distribution are obtained.
    Type: Application
    Filed: October 2, 2009
    Publication date: April 7, 2011
    Inventors: Sandor Nagy, Joachim T.M. Pater, Giampiero Morini
  • Patent number: 7910670
    Abstract: A method of making an olefin oligomerization catalyst, comprising contacting a chromium-containing compound, a heteroatomic ligand, and a metal alkyl, wherein the chromium-containing compound comprises less than about 5 weight percent chromium oligomers. A method of making an olefin oligomerization catalyst comprising a chromium-containing compound, a nitrogen-containing compound, and a metal alkyl, the method comprising adding a composition comprising the chromium-containing compound to a composition comprising the metal alkyl. A method of making an olefin oligomerization catalyst comprising a chromium-containing compound, a nitrogen-containing compound, and a metal alkyl, the method comprising abating all or a portion of water, acidic protons, or both from a composition comprising the chromium-containing compound, a composition comprising the nitrogen-containing compound, or combinations thereof prior to or during the preparation of the catalyst.
    Type: Grant
    Filed: August 3, 2009
    Date of Patent: March 22, 2011
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Ronald D. Knudsen, Ronald G. Abbott, Bruce E. Kreischer, Eduardo J. Baralt, Brooke L. Small
  • Publication number: 20110046326
    Abstract: The invention relates to a catalyst system for polymerization of olefins, the catalyst system comprising a titanium-containing procatalyst carrying internal electron donor(s), an organoaluminium cocatalyst and a mixture of external electron donors, the mixture comprising a carboxylic acid ester or derivatives thereof, an alkoxy silane and a nitrogen based compound. The invention also relates to a process for polymerization of olefin(s) and to the polyolefin synthesized by the process.
    Type: Application
    Filed: August 25, 2008
    Publication date: February 24, 2011
    Inventors: Virendrakumar Gupta, Harshad Ramdas Patil, Dhananjay Ghelabhai Naik, Sukhdeep Kaur, Gurmeet Singh, Priyanshu Bharatkumar Vyas
  • Patent number: 7871952
    Abstract: 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, and a 2-hydroxypyridine N-oxide. Improved properties such as increased molecular weight are obtained.
    Type: Grant
    Filed: October 2, 2009
    Date of Patent: January 18, 2011
    Assignee: Equistar Chemicals, LP
    Inventors: Sandor Nagy, Joachim T. M. Pater, Giampiero Morini
  • Patent number: 7850870
    Abstract: Conductive curable compositions contain a free radical polymerizable monomer, oligomer or polymer (i); an organoborane amine complex (ii), and an electrically or thermally conductive filler (iii). The conductive curable compositions can also contain an amine reactive compound having amine reactive groups (iv); and (v) a component capable of generating a gas when mixed with a compound bearing active hydrogen and a catalyst. The electrically conductive curable compositions can be used in composite articles of manufacture in which substrates are coated or bonded together with the composition and cured; and as electrically conductive rubbers, electrically conductive tapes, electrically conductive adhesives, electrically conductive foams, and electrically conductive pressure sensitive adhesives.
    Type: Grant
    Filed: October 4, 2005
    Date of Patent: December 14, 2010
    Assignee: Dow Corning Corporation
    Inventors: Dongchan Ahn, Mark David Fisher, Andrew Anthony Mojica
  • Patent number: 7820581
    Abstract: A method of making a catalyst for use in oligomerizing an olefin comprising a chromium-containing compound, a pyrrole-containing compound, a metal alkyl, a halide-containing compound, and optionally a solvent, the method comprising contacting a composition comprising the chromium-containing compound and a composition comprising the metal alkyl, wherein the composition comprising the chromium-containing compound is added to the composition comprising the metal alkyl.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: October 26, 2010
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Ronald D. Knudsen, Bruce E. Kreischer, Ronald G. Abbott, Steven D. Bridges, Eduardo J. Baralt, Brooke L. Small
  • Patent number: 7799879
    Abstract: The present application relates to a new catalyst system for the polymerization of olefins, comprising a new ionic activator having the formula: [R1R2R3AH]+[Y]?, wherein [Y]? is a non-coordinating anion (NCA), A is nitrogen or phosphorus, R1 and R2 are hydrocarbyl groups or heteroatom-containing hydrocarbyl groups and together form a first, 3- to 10-membered non-aromatic ring with A, wherein any number of adjacent ring members may optionally be members of at least one second, aromatic or aliphatic ring or aliphatic and/or aromatic ring system of two or more rings, wherein said at least one second ring or ring system is fused to said first ring, and wherein any atom of the first and/or at least one second ring or ring system is a carbon atom or a heteroatom and may be substituted independently by one or more substituents selected from the group consisting of a hydrogen atom, halogen atom, C1 to C10 alkyl, C5 to C15 aryl, C6 to C25 arylalkyl, and C6 to C25 alkylaryl, and R3 is a hydrogen atom or C1 to C10 alkyl
    Type: Grant
    Filed: August 1, 2008
    Date of Patent: September 21, 2010
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Donna J. Crowther, Peijun Jiang, George Rodriguez
  • Patent number: 7786336
    Abstract: The present invention relates to a catalyst composition for ethylene oligomerization and the use thereof. Such catalyst composition includes chromium compound, ligand containing P and N, activator and accelerator; wherein the chromium compound is selected from the group consisting of acetyl acetone chromium, THF-chromium chloride and Cr(2-ethylhecanoate)3; general formula of the ligand containing P and N is shown as: in which R1, R2, R3 and R4 are phenyl, benzyl, or naphthyl. R5 is isopropyl, butyl, cyclopropyl, cyclopentyl, cyclohexyl or fluorenyl; the activatior is methyl aluminoxane, ethyl aluminoxane, propyl aluminoxane and/or butyl aluminoxane; the accelerator is selected from the group consisting of 1,1,2,2,-tetrachloroethane, 1,1,2,2-tetrabromoethane, 1,1,2,2-tetrafluoroethane, and compounds having a formula of X1R6X2, in which X1 and X2 are F, Cl, Br, I or alkoxyl, R6 is alkylene or arylene group; the molar ratio of chromium compound, ligand containing P and N, activator and accelerator is 1:0.
    Type: Grant
    Filed: March 9, 2007
    Date of Patent: August 31, 2010
    Assignee: Petrochina Company Limited
    Inventors: Baojun Zhang, Tao Jiang, Jianzhong Li, Lihua Xing, Yingnan Ning, Shukun Sun, Dongting Kuang, Yongcheng Sun, Yunguang Han, Qian Chen, Hongxia Chen, Deshun Zhang, Yulong Li, Yongjun Zhang, Huimin Yuan, Sihan Wang, Guizhi Wang, Jingyuan Zhang
  • Patent number: 7741417
    Abstract: A process for polymerizing propylene is provided. The process comprises contacting propylene and optionally one or more monomers with a catalyst system comprising a bis-indenyl Group 4 metallocene compound supported on silica, the silica treated with one or more organoaluminum compounds and one or more heterocyclic compounds, under slurry conditions in the presence of hydrogen at a temperature of about 50° C. to about 160° C. and a pressure of from about 3 MPa to about 5 MPa to provide a catalyst activity of greater than 30,000 pounds of product per pound of catalyst; and then recovering isotactic polypropylene having a melt flow rate of 20 dg/min or less as measured according to ASTM D-1238 at 230° C. and 2.16 kg.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: June 22, 2010
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Gary L. Casty, Evan J. Piland
  • Publication number: 20100113852
    Abstract: Among other things, this disclosure provides an olefin oligomerization system and process, the system comprising: a) a transition metal compound; b) a pyrrole compound having independently-selected C1 to C18 organyl groups at the 2- and 5-positions, wherein at least one of the organyl group alpha-carbon atoms attached to the 2- and 5-positions of the pyrrole compound is a secondary carbon atoms; and c) a metal alkyl. For example, the 2,5-diethylpyrrole (2,5-DEP)-based catalyst systems can afford a productivity increases over unsubstituted pyrrole catalyst systems, non-2,5-disubstituted catalyst systems, and 2,5-dimethylpyrrole (2,5-DMP) catalyst systems.
    Type: Application
    Filed: October 30, 2009
    Publication date: May 6, 2010
    Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LP
    Inventor: Orson L. Sydora
  • Patent number: 7618913
    Abstract: A high activity magnesium-based supported catalyst component useful in a catalyst system for the compolymerization of ethylene and alpha-olefin and a process for preparing the catalyst component is described. In the process, alkoxysilane ester is contacted with a halogen-substituted silane to form an organic silicon complex. Optionally, the organic silicon complex is contacted with an aminosilane compound to form an organic silicon complex containing nitrogen. The organic silicon complex containing nitrogen or the organic silicon complex is contacted with a transition metal compound to form an organic silicon complex containing transition metal. The organic silicon complex containing transition metal is then contacted with a substituted aromatic ring nitrogen compound to form a fourth reaction complex, which is then contacted with a magnesium-based composite support that has been prepared in situ by reacting metallic magnesium with an alkyl or aromatic halide to form the catalyst component.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: November 17, 2009
    Assignee: Formosa Plastics Corporation, U.S.A.
    Inventors: Guangxue Xu, Honglan Lu, Chih-Jian Chen