Patents by Inventor Reynald Chevalier
Reynald Chevalier 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).
-
Patent number: 10246532Abstract: A solid catalyst component which exhibits high activity and stereospecificity in the polymerization of olefins made from or containing Mg, Ti and an electron donor of formula (I) where R and R1 are selected from the group consisting of C1-C20 hydrocarbon groups, C6-C14 aryl or alkylaryl groups hydrocarbon groups, optionally containing a heteroatom selected from the group consisting of halogens, P, S, N, and O; R2 to R11 groups, equal to or different from each other, are hydrogen, halogen or C1-C15 hydrocarbon groups which can be optionally fused together to form one or more cycles with the proviso that R6 and R11 cannot join together to form a phenyl ring.Type: GrantFiled: March 8, 2016Date of Patent: April 2, 2019Assignee: Basell Poliolefine Italia S.r.l.Inventors: Reynald Chevalier, Alessandro Mignogna, Giampiero Morini
-
Patent number: 10017590Abstract: A solid catalyst component for the polymerization of olefins made from or containing Mg, Ti, halogen and an electron donor of formula (I) or (II) When activated with an aluminum alkyl and optionally an external electron donor, solid catalyst component can give high activity and stereospecificity in the polymerization of olefins.Type: GrantFiled: March 7, 2016Date of Patent: July 10, 2018Assignee: Basell Poliolefine Italia S.r.l.Inventors: Alessandro Mignogna, Giampiero Morini, Reynald Chevalier
-
Patent number: 10005860Abstract: Catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor of formula (I) In which X and Y are selected from, R1, and —OR1 and —NR2, B is oxygen or sulphur S is sulphur, R1 is selected from C1-C15 hydrocarbon groups, optionally contain a heteroatom selected from halogen, P, S, N, O and Si, which can be fused together to form one or more cycles, R is hydrogen or R1 and A is a bivalent bridging group with chain length between the two bridging bonds being 1-10 atoms.Type: GrantFiled: February 9, 2017Date of Patent: June 26, 2018Assignee: Basell Poliolefine Italia S.r.l.Inventors: Alessandro Mignogna, Reynald Chevalier, Igor Kashulin, Ilya Nifant'ev, Giampiero Morini, Martin Schneider
-
Publication number: 20180057620Abstract: A solid catalyst component for the polymerization of olefins made from or containing Mg, Ti, halogen and an electron donor of formula (I) or (II) When activated with an aluminum alkyl and optionally an external electron donor, solid catalyst component can give high activity and stereospecificity in the polymerization of olefins.Type: ApplicationFiled: March 7, 2016Publication date: March 1, 2018Applicant: Basell Poliolefine Italia S.r.l.Inventors: Alessandro MIGNOGNA, Giampiero MORINI, Reynald CHEVALIER
-
Publication number: 20180051106Abstract: A solid catalyst component which exhibits high activity and stereospecificity in the polymerization of olefins made from or containing Mg, Ti and an electron donor of formula (I) where R and R1 are selected from the group consisting of C1-C20 hydrocarbon groups, C6-C14 aryl or alkylaryl groups hydrocarbon groups, optionally containing a heteroatom selected from the group consisting of halogens, P, S, N, and O; R2 to R11 groups, equal to or different from each other, are hydrogen, halogen or C1-C15 hydrocarbon groups which can be optionally fused together to form one or more cycles with the proviso that R6 and R11 cannot join together to form a phenyl ring.Type: ApplicationFiled: March 8, 2016Publication date: February 22, 2018Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: REYNALD CHEVALIER, ALESSANDRO MIGNOGNA, GIAMPIERO MORINI
-
Patent number: 9714303Abstract: A solid catalyst component for the polymerization of olefins comprising Mg, Ti, Cl and at least an electron donor compound which is the reaction product obtained by bringing into contact a Mg compound and a Ti compound having at least a Ti-halogen bond with an electron donor selected from specific diphenol derivatives.Type: GrantFiled: May 13, 2014Date of Patent: July 25, 2017Assignee: Basell Poliolefine Italia S.r.l.Inventors: Alessandro Mignogna, Reynald Chevalier, Simona Guidotti, Dario Liguori, Giampiero Morini, Martin Schneider
-
Publication number: 20170166667Abstract: Catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor of formula (I) In which X and Y are selected from, R1, and —OR1 and —NR2, B is oxygen or sulphur S is sulphur, R1 is selected from C1-C15 hydrocarbon groups, optionally contain a heteroatom selected from halogen, P, S, N, O and Si, which can be fused together to form one or more cycles, R is hydrogen or R1 and A is a bivalent bridging group with chain length between the two bridging bonds being 1-10 atoms.Type: ApplicationFiled: February 9, 2017Publication date: June 15, 2017Applicant: Basell Poliolefine Italia S.r.l.Inventors: Alessandro Mignogna, Reynald Chevalier, Igor Kashulin, Ilya Nifant'ev, Giampiero Morini, Martin Schneider
-
Patent number: 9644051Abstract: Catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor of formula (I) In which X and Y are selected from, R1, and —OR1 and —NR2, B is oxygen or sulphur S is sulphur, R1 is selected from C1-C15 hydrocarbon groups, optionally contain a heteroatom selected from halogen, P, S, N, O and Si, which can be fused together to form one or more cycles, R is hydrogen or R1 and A is a bivalent bridging group with chain length between the two bridging bonds being 1-10 atoms.Type: GrantFiled: May 15, 2014Date of Patent: May 9, 2017Assignee: Basell Poliolefine Italia S.r.l.Inventors: Alessandro Mignogna, Reynald Chevalier, Igor Kashulin, Ilya Nifant'ev, Giampiero Morini, Martin Schneider
-
Patent number: 9481745Abstract: The present technology relates to a solid catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor of the general formula (I): where R1 is selected from C1-C15 hydrocarbon groups, the R2 groups are equal to or different from each other, are hydrogen, or the R1 groups can be fused together to form one or more cycles and A is a bivalent bridging group. The catalyst components of the present disclosure exhibit high activity and stereospecificity in the polymerization of olefins.Type: GrantFiled: September 8, 2014Date of Patent: November 1, 2016Assignee: Basell Poliolefine Italia S.r.l.Inventors: Alessandro Mignogna, Reynald Chevalier, Giampiero Morini, Martin Schneider
-
Publication number: 20160208027Abstract: The present technology relates to a solid catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor of the general formula (I): where R1 is selected from C1-C15 hydrocarbon groups, the R2 groups are equal to or different from each other, are hydrogen, or the R1 groups can be fused together to form one or more cycles and A is a bivalent bridging group. The catalyst components of the present disclosure exhibit high activity and stereospecificity in the polymerization of olefins.Type: ApplicationFiled: September 8, 2014Publication date: July 21, 2016Applicant: BASELL POLYOLEFINE ITALIA S.R.L.Inventors: ALESSANDRO MIGNOGNA, REYNALD CHEVALIER, GIAMPIERO MORINI, MARTIN SCHNEIDER
-
Publication number: 20160115261Abstract: A solid catalyst component for the polymerization of olefins comprising Mg, Ti, Cl and at least an electron donor compound which is the reaction product obtained by bringing into contact a Mg compound and a Ti compound having at least a Ti-halogen bond with an electron donor selected from specific diphenol derivatives.Type: ApplicationFiled: May 13, 2014Publication date: April 28, 2016Inventors: Alessandro Mignogna, Reynald Chevalier, Simona Guidotti, Dario Liguori, Giampiero Morini, Martin Schneider
-
Publication number: 20160090428Abstract: Catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor of formula (I) In which X and Y are selected from, R1, and —OR1 and —NR2, B is oxygen or sulphur S is sulphur, R1 is selected from C1-C15 hydrocarbon groups, optionally contain a heteroatom selected from halogen, P, S, N, O and Si, which can be fused together to form one or more cycles, R is hydrogen or R1 and A is a bivalent bridging group with chain length between the two bridging bonds being 1-10 atoms.Type: ApplicationFiled: May 15, 2014Publication date: March 31, 2016Inventors: Alessandro Mignogna, Reynald Chevalier, Igor Kashulin, Ilya Nifant'ev, Giampiero Morini, Martin SCHNEIDER
-
Patent number: 8227557Abstract: Specific iron complexes (A), a catalyst system for polymerization of olefins comprising at least one metal complex (A) and/or (A?), a prepolymerized catalyst system, the use of these catalyst systems for the polymerization of olefins, and a process for the preparation of polyolefins by polymerization or copolymerization of olefins in the presence of one of the described catalyst systems.Type: GrantFiled: March 1, 2008Date of Patent: July 24, 2012Assignee: Basell Polyolefine GmbHInventors: Shahram Mihan, Fabiana Fantinel, Reynald Chevalier, Harald Schmitz
-
Patent number: 8207281Abstract: The present invention relates to a process for preparing transition metal compounds, in particular ansa-bisindenyl-metallocenes having nitrogen, phosphor, sulfur or oxygen comprising substituents, the corresponding transition metal compounds themselves and their use in the preparation of catalyst systems and also the use of the catalyst systems in the polymerization and copolymerization of olefins.Type: GrantFiled: December 11, 2008Date of Patent: June 26, 2012Assignee: Basell Polyolefine GmbHInventor: Reynald Chevalier
-
Patent number: 8158733Abstract: Catalysts useful for polymerizing olefins are disclosed. The catalysts comprise an activator and a Group 4 metal complex that incorporates a dianionic, tridentate 2-(2-aryloxy)quinoline or 2-(2-aryloxy)dihydroquinoline ligand. In one aspect, supported catalysts are prepared by first combining a boron compound having Lewis acidity with excess alumoxane to produce an activator mixture, followed by combining the activator mixture with a support and the tridentate, dianionic Group 4 metal complex. The catalysts are easy to synthesize, support, and activate, and they enable facile production of high-molecular-weight polyolefins.Type: GrantFiled: July 22, 2009Date of Patent: April 17, 2012Assignee: Equistar Chemicals, LPInventors: Sandor Nagy, Linda N. Winslow, Shahram Mihan, Reynald Chevalier, Lenka Lukesova, Ilya E. Nifant'ev, Pavel V. Ivchenko
-
Patent number: 8153544Abstract: A method of preparing supported catalysts useful for olefin polymerization is described. The catalysts comprise a Group 4 metal complex that incorporates a tridentate dianionic ligand. An activator mixture is first made from a boron compound having Lewis acidity and an excess of an alumoxane. The activator mixture is then combined with a support and the Group 4 metal complex to give a supported catalyst. The method provides an active, supported catalyst capable of making high-molecular-weight polyolefins.Type: GrantFiled: July 22, 2009Date of Patent: April 10, 2012Assignee: Equistar Chemicals, LPInventors: Sandor Nagy, Linda N. Winslow, Shahram Mihan, Reynald Chevalier, Lenka Lukesova, Ilya E. Nifant'ev, Pavel V. Ivchenko, Karen L. Neal-Hawkins
-
Patent number: 8084385Abstract: Catalysts useful for polymerizing olefins are disclosed. The catalysts comprise an activator and a bridged cyclopentadienyl complex that incorporates a monoanionic hydroxylamido or hydrazido ligand fragment. Suitable complexes have the structure: wherein M is a Group 4 metal; Z is a divalent linking group; X is N or O; each of R1 and R2 is independently C1-C4 alkyl or C6-C10 aryl; R1 and R2 can be joined together; n is 0 when X is O, and n is 1 when X is N; each Y is independently halide, alkyl, dialkylamido, aryl, or aralkyl. A modeling approach is used to identify particular valuable complexes, each of which incorporates a readily synthesized cyclopentadienyl precursor.Type: GrantFiled: June 9, 2010Date of Patent: December 27, 2011Assignee: Equistar Chemicals, L.P.Inventors: Sandor Nagy, Reynald Chevalier
-
Publication number: 20110306740Abstract: Catalysts useful for polymerizing olefins are disclosed. The catalysts comprise an activator and a bridged cyclopentadienyl complex that incorporates a monoanionic hydroxylamido or hydrazido ligand fragment. Suitable complexes have the structure: wherein M is a Group 4 metal; Z is a divalent linking group; X is N or O; each of R1 and R2 is independently C1-C4 alkyl or C6-C10 aryl; R1 and R2 can be joined together; n is 0 when X is O, and n is 1 when X is N; each Y is independently halide, alkyl, dialkylamido, aryl, or aralkyl. A modeling approach is used to identify particular valuable complexes, each of which incorporates a readily synthesized cyclopentadienyl precursor.Type: ApplicationFiled: June 9, 2010Publication date: December 15, 2011Inventors: Sandor Nagy, Reynald Chevalier
-
Publication number: 20110294972Abstract: The invention relates to transition metal complexes comprising a metal of group 3, 4, or 6 of the Periodic Table of the Elements and one, or two mono-anionic triazole ligands It has been found that these transition metal complexes which comprise at least one triazole fragment having a substituent with an unsaturated fragment are suitable as precatalysts for the polymerization of olefins. In these complexes one carbon atom of the unsaturated fragment is bound directly or via a bridge to a triazole group and the other carbon atom is bound to the transition metal. The complexes are useful as catalysts for olefin polymerization, a catalyst system comprising these complexes and a process for the polymerization of olefins under the use of the catalyst system.Type: ApplicationFiled: May 18, 2011Publication date: December 1, 2011Applicant: BASELL POLYOLEFINE GMBHInventors: Reynald Chevalier, Sandor Nagy
-
Publication number: 20110251362Abstract: Catalysts useful for polymerizing olefins are disclosed. The catalysts comprise an activator and a Group 4 transition metal complex which comprises at least one monoanionic R1N—XR2 ligand, where X is O or S, and each of R1 and R2 is independently alkyl, aryl, arylalkyl, alkylaryl, or trialkylsilyl. The complexes are readily made from R1NH—XR2 precursors and are often useful as catalyst components without further purification. The catalysts have good activities, incorporate comonomers well, and provide polymers with high molecular weight.Type: ApplicationFiled: April 9, 2010Publication date: October 13, 2011Inventors: Sandor Nagy, Reynald Chevalier