Patents by Inventor Vladimir P. Marin
Vladimir P. Marin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11634520Abstract: A process of preparing a solid catalyst component for the production of polypropylene includes a) dissolving a halide-containing magnesium compound in a mixture, the mixture including an epoxy compound, an organic phosphorus compound, and a hydrocarbon solvent to form a homogenous solution; b) treating the homogenous solution with an organosilicon compound during or after the dissolving step; c) treating the homogenous solution with a first titanium compound in the presence of a first non-phthalate electron donor, and an organosilicon compound, to form a solid precipitate; and d) treating the solid precipitate with a second titanium compound in the presence of a second non-phthalate electron donor to form the solid catalyst component, where the process is free of carboxylic acids and anhydrides.Type: GrantFiled: November 6, 2018Date of Patent: April 25, 2023Assignee: W.R. Grace & Co.-CONN.Inventors: Vladimir P. Marin, Ahmed Hintolay
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Publication number: 20220289881Abstract: A process of preparing a solid catalyst component for the production of polypropylene includes a) dissolving a halide-containing magnesium compound in a mixture, the mixture including an epoxy compound, an organic phosphorus compound, and a hydrocarbon solvent to form a homogenous solution; b) treating the homogenous solution with an organosilicon compound during or after the dissolving step; c) treating the homogenous solution with a first titanium compound in the presence of a first non-phthalate electron donor, and an organosilicon compound, to form a solid precipitate; and d) treating the solid precipitate with a second titanium compound in the presence of a second non-phthalate electron donor to form the solid catalyst component, where the process is free of carboxylic acids and anhydrides.Type: ApplicationFiled: May 25, 2022Publication date: September 15, 2022Applicant: W. R. Grace & Co.-Conn.Inventors: Vladimir P. Marin, Ahmed Hintolay
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Patent number: 11421056Abstract: The present disclosure is generally directed to polyolefin polymers, such as polypropylene homopolymers, and propylene-ethylene copolymers that have improved flow properties. In one embodiment, the polymers can be produced using a solid catalyst component that includes a) dissolving a halide-containing magnesium compound in a mixture, the mixture including an epoxy compound, an organic phosphorus compound, and a hydrocarbon solvent to form a homogenous solution; b) treating the homogenous solution with an organosilicon compound during or after the dissolving step; c) treating the homogenous solution with a first titanium compound in the presence of a first non-phthalate electron donor, and an organosilicon compound, to form a solid precipitate; and d) treating the solid precipitate with a second titanium compound in the presence of a second non-phthalate electron donor to form the solid catalyst component, where the process is free of carboxylic acids and anhydrides.Type: GrantFiled: November 13, 2018Date of Patent: August 23, 2022Assignee: W.R. GRACE & CO.-CONN.Inventors: Vladimir P. Marin, Jan Van Egmond, Ahmed Hintolay
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Patent number: 11370854Abstract: A solid catalyst component for use in olefinic polymerization, includes titanium, magnesium, a halogen, and an internal electron donor compound; wherein: the internal electron donor compound is at least one compound represented by Formula (I)):Type: GrantFiled: April 1, 2020Date of Patent: June 28, 2022Assignees: Braskem America, Inc., W.R. Grace & Co.-CONN.Inventors: Binh Thanh Nguyen, Jonas Alves Fernandes, Vladimir P. Marin, Mushtaq Ahmed Patel
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Patent number: 11236181Abstract: A process for preparing a solid pre-catalyst component for use in olefinic polymerization includes dissolving a magnesium chloride in an alcohol and optionally adding water to form a first solution having a water content of about 0.5 mmol water per mol MgCl2 to about 100 mmol water per mol MgCl2; contacting the first solution with a first titanium compound to form the solid pre-catalyst component; and treating the solid pre-catalyst component with a hydrocarbon or halogenated hydrocarbon solvent, optionally containing a second titanium compound.Type: GrantFiled: August 23, 2018Date of Patent: February 1, 2022Assignee: W.R. Grace & Co.-CONN.Inventors: Vladimir P. Marin, Ahmed Hintolay, Neil J. O'Reilly
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Publication number: 20200283553Abstract: A process of preparing a solid catalyst component for the production of polypropylene includes a) dissolving a halide-containing magnesium compound in a mixture, the mixture including an epoxy compound, an organic phosphorus compound, and a hydrocarbon solvent to form a homogenous solution; b) treating the homogenous solution with an organosilicon compound during or after the dissolving step; c) treating the homogenous solution with a first titanium compound in the presence of a first non-phthalate electron donor, and an organosilicon compound, to form a solid precipitate; and d) treating the solid precipitate with a second titanium compound in the presence of a second non-phthalate electron donor to form the solid catalyst component, where the process is free of carboxylic acids and anhydrides.Type: ApplicationFiled: November 6, 2018Publication date: September 10, 2020Inventors: Vladimir P. Marin, Ahmed Hintolay
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Publication number: 20200270381Abstract: The present disclosure is generally directed to polyolefin polymers, such as polypropylene homopolymers, and propylene-ethylene copolymers that have improved flow properties. In one embodiment, the polymers can be produced using a solid catalyst component that includes a) dissolving a halide-containing magnesium compound in a mixture, the mixture including an epoxy compound, an organic phosphorus compound, and a hydrocarbon solvent to form a homogenous solution; b) treating the homogenous solution with an organosilicon compound during or after the dissolving step; c) treating the homogenous solution with a first titanium compound in the presence of a first non-phthalate electron donor, and an organosilicon compound, to form a solid precipitate; and d) treating the solid precipitate with a second titanium compound in the presence of a second non-phthalate electron donor to form the solid catalyst component, where the process is free of carboxylic acids and anhydrides.Type: ApplicationFiled: November 13, 2018Publication date: August 27, 2020Inventors: Vladimir P. Marin, Jan Van Egmond, Ahmed Hintolay
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Publication number: 20200247920Abstract: A process for preparing a solid pre-catalyst component for use in olefinic polymerization includes dissolving a magnesium chloride in an alcohol and optionally adding water to form a first solution having a water content of about 0.5 mmol water per mol MgCl2 to about 100 mmol water per mol MgCl2; contacting the first solution with a first titanium compound to form the solid pre-catalyst component; and treating the solid pre-catalyst component with a hydrocarbon or halogenated hydrocarbon solvent, optionally containing a second titanium compound.Type: ApplicationFiled: August 23, 2018Publication date: August 6, 2020Applicant: W.R. GRACE & CO.-CONN.Inventors: Vladimir P. MARIN, Ahmed HINTOLAY, Neil J. O'REILLY
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Publication number: 20200223958Abstract: A solid catalyst component for use in olefinic polymerization, includes titanium, magnesium, a halogen, and an internal electron donor compound; wherein: the internal electron donor compound is at least one compound represented by Formula (I)):Type: ApplicationFiled: April 1, 2020Publication date: July 16, 2020Applicants: W.R. GRACE & CO.-CONN., BRASKEM AMERICA, INC.Inventors: Binh Thanh NGUYEN, Jonas Alves FERNANDES, Vladimir P. MARIN, Mushtaq Ahmed PATEL
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Patent number: 10662267Abstract: A solid catalyst component for use in olefinic polymerization, includes titanium, magnesium, a halogen, and an internal electron donor compound; wherein: the internal electron donor compound is at least one compound represented by Formula (I)).Type: GrantFiled: May 26, 2016Date of Patent: May 26, 2020Assignees: W.R. GRACE & CO. -CONN., BRASKEM AMERICA, INC.Inventors: Binh Thanh Nguyen, Jonas Alves Fernandes, Vladimir P. Marin, Mushtaq Ahmed Patel
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Publication number: 20190270831Abstract: A solid catalyst component for use in olefinic polymerization, includes titanium, magnesium, a halogen, and an internal electron donor compound; wherein: the internal electron donor compound is at least one compound represented by Formula (I)).Type: ApplicationFiled: May 26, 2016Publication date: September 5, 2019Inventors: Binh Thanh NGUYEN, Jonas Alves FERNANDES, Vladimir P. MARIN, Mushtaq Ahmed PATEL
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Patent number: 10273321Abstract: Solid catalyst components for use in olefin polymerization, olefin polymerization catalyst systems containing the solid catalyst components, methods of making the solid catalyst components and the catalyst systems, and methods of polymerizing and copolymerizing olefins involving the use of the catalyst systems. The solid catalyst components are formed by (a) dissolving a magnesium compound and an auxiliary intermediate electron donor in at least one first solvent to form a solution; (b) contacting a first titanium compound with said solution to form a precipitate of the magnesium compound and the first titanium compound; (c) washing the precipitate with a mixture of a second titanium compound and at least one second solvent and optionally an electron donor at a temperature of up to 90° C.; and (d) treating the precipitate with a mixture of a third titanium compound and at least one third solvent at 90-150° C. to form a solid catalyst component.Type: GrantFiled: December 20, 2016Date of Patent: April 30, 2019Assignee: W.R. Grace & Co.-Conn.Inventors: Vladimir P. Marin, Ahmed Hintolay, Michael Donald Spencer
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Patent number: 9738736Abstract: Solid catalyst components are disclosed including titanium, magnesium, halogen and an internal electron donor compound having a combination of internal electron donor compounds including at least one 1,8-naphthyl diester and at least one secondary internal donor compound selected from alkyl 2-alkoxy-1-naphthoates, alkyl 2-alkoxybenzoates, alkyl 2,6-dialkoxybenzoates, (2-alkoxyphenyl)(pyrrolidin-1-yl)alkanones, dialkyl phthalates, alkyl alkionates, and dialkyl cyclohexane-1,2-dicarboxylates, and catalyst systems containing the catalyst solid components, organoaluminum compounds, and organosilicon compounds. Further, methods of making the catalyst components and the catalyst systems are disclosed as well as methods of polymerizing or copolymerizing alpha-olefins using the catalyst systems.Type: GrantFiled: August 12, 2014Date of Patent: August 22, 2017Assignee: W. R. GRACE & CO.-CONNInventors: Vladimir P. Marin, Ahmed Hintolay, Main Chang, Neil O'Reilly, Binh Thanh Nguyen
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Process for preparing spherical polymerization catalyst components for use in olefin polymerizations
Patent number: 9714302Abstract: A method of making a solid catalyst component for production of a polyolefin, including the steps of: a) dissolving a halide-containing magnesium compound in a mixture including alkylepoxide, an organic phosphorous compound, a carboxylic acid or anhydride, and a hydrocarbon solvent to form a homogenous solution; b) optionally treating the homogeneous solution with a halogenating agent; c) treating the homogenous solution with a first titanium halide compound in the presence of a surface modifier and optionally a first electron donor to form a solid precipitate, wherein, if present, the first electron donor is an ether; d) optionally treating the solid precipitate with a second electron donor; and e) treating the solid precipitate with a second titanium halide compound and optionally with a second electron donor to form the solid catalyst component.Type: GrantFiled: October 10, 2014Date of Patent: July 25, 2017Assignee: W. R. GRACE & CO.—CONN.Inventors: Kayo Umezawa-Vizzini, Vladimir P. Marin, Michael Spencer, Neil J. O'Reilly, Ahmed Hintolay -
Publication number: 20170096503Abstract: Solid catalyst components for use in olefin polymerization, olefin polymerization catalyst systems containing the solid catalyst components, methods of making the solid catalyst components and the catalyst systems, and methods of polymerizing and copolymerizing olefins involving the use of the catalyst systems. The solid catalyst components are formed by (a) dissolving a magnesium compound and an auxiliary intermediate electron donor in at least one first solvent to form a solution; (b) contacting a first titanium compound with said solution to form a precipitate of the magnesium compound and the first titanium compound; (c) washing the precipitate with a mixture of a second titanium compound and at least one second solvent and optionally an electron donor at a temperature of up to 90° C.; and (d) treating the precipitate with a mixture of a third titanium compound and at least one third solvent at 90-150° C. to form a solid catalyst component.Type: ApplicationFiled: December 20, 2016Publication date: April 6, 2017Inventors: Vladimir P. Marin, Ahmed Hintolay, Michael Donald Spencer
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Patent number: 9593182Abstract: Solid catalyst components for use in olefin polymerization, systems incorporating the same, methods of producing the same, and methods of use are disclosed. The solid catalyst components are formed by (a) dissolving a magnesium compound and an auxiliary intermediate electron donor in at least one first solvent to form a solution; (b) contacting a first titanium compound with said solution to form a precipitate of the magnesium compound and the first titanium compound; (c) washing the precipitate with a mixture of a second titanium compound and at least one second solvent and optionally an electron donor at a temperature of up to 90° C.; and (d) treating the precipitate with a mixture of a third titanium compound and at least one third solvent at 90-150° C. to form a solid catalyst component.Type: GrantFiled: November 8, 2013Date of Patent: March 14, 2017Assignee: W.R.Grace & Co.-Conn.Inventors: Vladimir P. Marin, Ahmed Hintolay, Michael Donald Spencer
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PROCESS FOR PREPARING SPHERICAL POLYMERIZATION CATALYST COMPONENTS FOR USE IN OLEFIN POLYMERIZATIONS
Publication number: 20160102156Abstract: A method of making a solid catalyst component for production of a polyolefin, including the steps of: a) dissolving a halide-containing magnesium compound in a mixture including alkylepoxide, an organic phosphorous compound, a carboxylic acid or anhydride, and a hydrocarbon solvent to form a homogenous solution; b) optionally treating the homogeneous solution with a halogenating agent; c) treating the homogenous solution with a first titanium halide compound in the presence of a surface modifier and optionally a first electron donor to form a solid precipitate, wherein, if present, the first electron donor is an ether; d) optionally treating the solid precipitate with a second electron donor; and e) treating the solid precipitate with a second titanium halide compound and optionally with a second electron donor to form the solid catalyst component.Type: ApplicationFiled: October 10, 2014Publication date: April 14, 2016Inventors: Kayo UMEZAWA-VIZZINI, Vladimir P. MARIN, Michael SPENCER, Neil J. O'REILLY, Ahmed HINTOLAY -
Publication number: 20160046740Abstract: Solid catalyst components are disclosed including titanium, magnesium, halogen and an internal electron donor compound having a combination of internal electron donor compounds including at least one 1,8-naphthyl diester and at least one secondary internal donor compound selected from alkyl 2-alkoxy-1-naphthoates, alkyl 2-alkoxybenzoates, alkyl 2,6-dialkoxybenzoates, (2-alkoxyphenyl)(pyrrolidin-1-yl)alkanones, dialkyl phthalates, alkyl alkionates, and dialkyl cyclohexane-1,2-dicarboxylates, and catalyst systems containing the catalyst solid components, organoaluminum compounds, and organosilicon compounds. Further, methods of making the catalyst components and the catalyst systems are disclosed as well as methods of polymerizing or copolymerizing alpha-olefins using the catalyst systems.Type: ApplicationFiled: August 12, 2014Publication date: February 18, 2016Inventors: Vladimir P. MARIN, Ahmed HINTOLAY, Main CHANG, Neil O'REILLY, Binh Thanh NGUYEN
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Publication number: 20140128556Abstract: Solid catalyst components for use in olefin polymerization, olefin polymerization catalyst systems containing the solid catalyst components, methods of making the solid catalyst components and the catalyst systems, and methods of polymerizing and copolymerizing olefins involving the use of the catalyst systems. The solid catalyst components are formed by (a) dissolving a magnesium compound and an auxiliary intermediate electron donor in at least one first solvent to form a solution; (b) contacting a first titanium compound with said solution to form a precipitate of the magnesium compound and the first titanium compound; (c) washing the precipitate with a mixture of a second titanium compound and at least one second solvent and optionally an electron donor at a temperature of up to 90° C.; and (d) treating the precipitate with a mixture of a third titanium compound and at least one third solvent at 90-150° C. to form a solid catalyst component.Type: ApplicationFiled: November 8, 2013Publication date: May 8, 2014Applicant: BASF CorporationInventors: Vladimir P. MARIN, Ahmed HINTOLAY, Michael Donald SPENCER
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Patent number: 7649064Abstract: In accordance with the present invention, there is provided a transition metal olefin polymerization catalyst component characterized by the formula: where, M is a Group IV or a Group IV transition metal, B is a bridge group containing at least two carbon atoms, A? and A? are organogroups, each containing a heteroatom selected from the group consisting of oxygen, sulfur, nitrogen and phosphorus, X is selected from the group consisting of chlorine, bromine, iodine, a C1-C20 alkyl group, a C6-C30 aromatic group and mixtures thereof, and n is 1, 2 or 3. The invention also encompasses a method for the polymerization of an ethylenically unsaturated monomer which comprises contacting a transition metal catalyst component as characterized by formula (1) above and an activating co-catalyst component in a polymerization reaction zone with an ethylenically unsaturated monomer under polymerization conditions to produce a polymer product.Type: GrantFiled: August 28, 2008Date of Patent: January 19, 2010Assignee: Fina Technology, Inc.Inventors: Abbas Razavi, Vladimir P. Marin, Margarito Lopez