Patents by Inventor Christian Sidot
Christian Sidot 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: 9012630Abstract: The invention relates to a method for producing manganese complex compounds of the general formula (1), wherein M, X, L, z, Y and q are defined as in claim 1.Type: GrantFiled: September 10, 2010Date of Patent: April 21, 2015Assignee: Clariant International Ltd.Inventors: Gerd Reinhardt, Michael Best, Christian Sidot
-
Patent number: 8846921Abstract: The invention relates to a method for producing metal complexes of formula (2) [MaLxXn]Ym (2), where M is a metal from the group consisting of Mn(II), Mn(III), Mn(IV), Fe(II), Fe(III) or Fe(IV), X is a coordinating compound selected from mono-, bi- or tri-charged anions or neutral molecules which can coordinate to a metal in mono-, bi- or tri-dentate form, Y represents a non-coordinating counter-ion which ensures charge equalization of the complex, L represents a ligand of formula (1) or the protonized or de-protonized form thereof, and a, x, n, m, R, R1, R2, R3 and z have the meanings described in claim 1. Said method is characterized in that the reaction of one or more ligands of formula (1) with an iron salt or manganese salt is carried out in an acetone/water mixture in a temperature range from 0 to 50° C.Type: GrantFiled: October 6, 2011Date of Patent: September 30, 2014Assignee: Clariant Finance (Bvt) LtdInventors: Christian Sidot, Audrey Caron, Miriam Ladwig, Gerd Reinhardt
-
Publication number: 20140114073Abstract: The invention relates to a method for producing metal complexes of formula (2) [MaLxXn]Ym (2), where M is a metal from the group consisting of Mn(II), Mn(III), Mn(IV), Fe(II), Fe(III) or Fe(IV), X is a coordinating compound selected from mono-, bi- or tri-charged anions or neutral molecules which can coordinate to a metal in mono-, bi- or tri-dentate form, Y represents a non-coordinating counter-ion which ensures charge equalization of the complex, L represents a ligand of formula (1) or the protonized or de-protonized form thereof, and a, x, n, m, R, R1, R2, R3 and z have the meanings described in claim 1. Said method is characterized in that the reaction of one or more ligands of formula (1) with an iron salt or manganese salt is carried out in an acetone/water mixture in a temperature range from 0 to 50° C.Type: ApplicationFiled: October 6, 2011Publication date: April 24, 2014Applicants: CLARIANT SPECIALTY FINE CHEMICALS (FRANCE), CLARIANT FINANCE (BVI) LIMITEDInventors: Christian Sidot, Audrey Caron, Miriam Ladwig, Gerd Reinhardt
-
Publication number: 20120202990Abstract: The invention relates to a method for producing manganese complex compounds of the general formula (1), wherein M, X, L, z, Y and q are defined as in claim 1.Type: ApplicationFiled: September 10, 2010Publication date: August 9, 2012Applicants: CLARIANT SPECIALITY FINE CHEMICALS (FRANCE), CLARIANT FINANCE (BVI) LIMITEDInventors: Gerd Reinhardt, Michael Best, Christian Sidot
-
Patent number: 7951970Abstract: The present invention relates to a process for recycling cyclopentadienyl derivatives of the formulae (I) and (I?), a process for preparing metallocenes of the formula (III) from cyclopentadienyl derivatives of the formulae (I) and (I?) or from bridged biscyclopentadienyl derivatives of the formula (II), in which the cyclopentadienyl derivatives of the formulae (I), (I?) or (II) which are used have been at least partly recovered and purified by means of liquid-solid chromatography, and the use of liquid-solid chromatography for purifying substituted, recovered cyclopentadienyl derivatives of the formulae (I), (I?) or (II).Type: GrantFiled: December 19, 2006Date of Patent: May 31, 2011Assignee: Basell Polyolefine GmbHInventors: Patrik Müller, Robert L. Jones, Reynald Chevalier, Christian Sidot, Valerie Garcia
-
Publication number: 20100274035Abstract: The present invention relates to a process for recycling cyclopentadienyl derivatives of the formulae (I) and (I?), a process for preparing metallocenes of the formula (III) from cyclopentadienyl derivatives of the formulae (I) and (I?) or from bridged biscyclopentadienyl derivatives of the formula (II), in which the cyclopentadienyl derivatives of the formulae (I), (I?) or (II) which are used have been at least partly recovered and purified by means of liquid-solid chromatography, and the use of liquid-solid chromatography for purifying substituted, recovered cyclopentadienyl derivatives of the formulae (I), (I?) or (II).Type: ApplicationFiled: December 19, 2006Publication date: October 28, 2010Inventors: Patrik Müller, Robert L. Jones, Reynald Chevalier, Christian Sidot, Valerie Garcia
-
Patent number: 7671223Abstract: The present invention relates to a process for the racemoselective preparation of ansa-metallocene complexes of the formula (I) which comprises reacting a ligand starting compound of the formula (II) with a transition metal compound of the formula (III) (LB)yM1(NR3R4)Xx-1??(III) where R1, R1? are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R2, R2? are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R3 is an organic radical having from 1 to 40 carbon atoms, R4 is hydrogen or an organic radical having from 1 to 40 carbon atoms, T, T? are identical or different and are each a divalent organic group which has from 1 to 40 carbon atoms and together with the cyclopentadienyl ring forms at least one further saturated or unsaturated, substituted or unsubstituted ring system which has a ring size of from 5 to 12 atoms, where T and T? may contain the heteroatoms Si, Ge, N, P, As, Sb, O, S, Se or TeType: GrantFiled: May 4, 2005Date of Patent: March 2, 2010Assignee: Basell Polyolefine GmbHInventors: Valerie Garcia, Patrik Müller, Christian Sidot, Christian Tellier, Ludovic Delancray, Reynald Chevalier
-
Patent number: 7635783Abstract: The present invention relates to a process for the meso-selective preparation of ansa-metallocene complexes of the formula (I), which comprises reacting a ligand starting compound of the formula (II) with a transition metal compound of the formula III, where R1, R1 are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R2, R2 are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R3 is a bulky organic radical which has at least 3 carbon atoms, is bound to the oxygen atom via a nonaromatic carbon or silicon atom and may be substituted by halogen atoms or further organic radicals having from 1 to 20 carbon atoms and may also contain heteroatoms selected from the group consisting of Si, N, P, O and S, T, T? are identical or different and are each a divalent organic group which has from 1 to 40 carbon atoms and together with the cyclopentadienyl ring forms at least one further saturated or unsaturated, substitutedType: GrantFiled: December 15, 2004Date of Patent: December 22, 2009Assignee: Basell Polyolefine GmbHInventors: Reynald Chevalier, Patrik Müller, Christian Sidot, Christian Tellier, Valerie Garcia, Ludovic Delancray
-
Patent number: 7619106Abstract: The invention relates to a process for preparing hydrogenated or partially hydrogenated, racemic ansa-metallocene complexes by reacting bridged or unbridged transition metal complexes with alkali metal compounds or alkaline earth metal compounds, heating the resulting reaction mixture to a temperature in the range from ?78 to 250° C. and at least partially hydrogenating the reaction products in the presence of a suitable catalyst, to the corresponding hydrogenated or partially hydrogenated metallocenes and to their use as catalysts or as a constituent of catalysts for the polymerization of olefinically unsaturated compounds or as reagents or catalysts in stereoselective synthesis.Type: GrantFiled: October 22, 2003Date of Patent: November 17, 2009Assignee: Basell Polyolefine GmbHInventors: Hans-Robert-Hellmuth Damrau, Patrik Müller, Valerie Garcia, Christian Sidot, Christian Tellier, Stéphanie Duchiron, Jean-Francois Lelong
-
Publication number: 20080275261Abstract: The present invention relates to a process for the racemoselective preparation of ansa-metallocene complexes of the formula (I) which comprises reacting a ligand starting compound of the formula (II) with a transition metal compound of the formula (III) (LB)yM1(NR3R4)x-1 ??(III) where R1, R1? are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R2, R2? are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R3 is an organic radical having from 1 to 40 carbon atoms, R4 is hydrogen or an organic radical having from 1 to 40 carbon atoms, T, T? are identical or different and are each a divalent organic group which has from 1 to 40 carbon atoms and together with the cyclopentadienyl ring forms at least one further saturated or unsaturated, substituted or unsubstituted ring system which has a ring size of from 5 to 12 atoms, where T and T? may contain the heteroatoms Si, Ge, N, P, As, Sb, O, S, Se or TeType: ApplicationFiled: May 4, 2005Publication date: November 6, 2008Applicant: Basell Polyolefone GmbHInventors: Valerie Garcia, Patrik Muller, Christian Sidot, Christian Tellier, Ludovic Delancray, Reynald Chevalier
-
Publication number: 20080200708Abstract: The invention relates to a process for preparing hydrogenated or partially hydrogenated, racemic ansa-metallocene complexes by reacting bridged or unbridged transition metal complexes with alkali metal compounds or alkaline earth metal compounds, heating the resulting reaction mixture to a temperature in the range from ?78 to 250° C. and at least partially hydrogenating the reaction products in the presence of a suitable catalyst, to the corresponding hydrogenated or partially hydrogenated metallocenes and to their use as catalysts or as a constituent of catalysts for the polymerization of olefinically unsaturated compounds or as reagents or catalysts in stereoselective synthesis.Type: ApplicationFiled: October 22, 2003Publication date: August 21, 2008Applicant: Basell Polyolefine GmbHInventors: Hans-Robert-Hellmuth Damrau, Patrik Muller, Valerie Garcia, Christian Sidot, Christian Teller, Stephanie Ducheron, Jean-Francois Lelong
-
Patent number: 7358381Abstract: The invention relates to a process for preparing racemic metallocene complexes by reacting transition metal complexes with cyclopentadienyl derivatives of alkali metals or alkaline earth metals and heating the reaction mixture obtained in this way to a temperature in the range from ?78 to 250° C., to the corresponding metallocene complexes themselves and to their use as catalysts or as constituents of catalysts for the polymerization of olefinically unsaturated compounds or as reagents or catalysts in stereoselective synthesis.Type: GrantFiled: October 22, 2003Date of Patent: April 15, 2008Assignee: Basell Polyolefine GmbHInventors: Hans-Robert-Hellmuth Damrau, Patrik Müller, Valerie Garcia, Christian Sidot, Christian Tellier, Jean-François Lelong, Eric Huriez
-
Publication number: 20070155920Abstract: The present invention relates to a process for the meso-selective preparation of ansa-metallocene complexes of the formula (I), which comprises reacting a ligand starting compound of the formula (II) with a transition metal compound of the formula III, where R1, R1 are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R2, R2 are identical or different and are each hydrogen or an organic radical having from 1 to 40 carbon atoms, R3 is a bulky organic radical which has at least 3 carbon atoms, is bound to the oxygen atom via a nonaromatic carbon or silicon atom and may be substituted by halogen atoms or further organic radicals having from 1 to 20 carbon atoms and may also contain heteroatoms selected from the group consisting of Si, N, P, O and S, T, T? are identical or different and are each a divalent organic group which has from 1 to 40 carbon atoms and together with the cyclopentadienyl ring forms at least one further saturated or unsaturated, substitutedType: ApplicationFiled: December 15, 2004Publication date: July 5, 2007Applicant: Basell Polyolefine GmbHInventors: Reynald Chevalier, Patrik Muller, Christian Sidot, Christian Tellier, Valerie Garcia, Ludovic Delancray
-
Patent number: 7193099Abstract: The invention relates to a process for preparing racemic metallocene biphenoxide complexes by reacting bridged transition metal complexes with cyclopentadienyl derivatives of alkali metals or alkaline earth metals and heating the reaction mixture obtained in this way to a temperature in the range from ?78 to 250° C., to the corresponding metallocene biphenoxide complexes and to their use as catalysts or as constituents of catalysts for the polymerization of olefinically unsaturated compounds or as reagents or catalysts in stereoselective synthesis.Type: GrantFiled: October 22, 2003Date of Patent: March 20, 2007Assignee: Basell Polyolefine GmbHInventors: Hans-Robert-Hellmuth Damrau, Patrik Müller, Valerie Garcia, Christian Sidot, Christian Tellier, Jean-François Lelong
-
Patent number: 7098354Abstract: The present invention relates to a specific process for the diastereoselective synthesis of rac-diorganosilylbis(2-methylbenzo[e]indenyl)zirconium compounds of the formula I, by reacting the silyl-bridged bisindenyl ligand with a dihalozirconium bis(3,5-di-tert-butylphenoxide)-base adduct to form the diorganosilylbis(2-methylbenzo[e]indenyl)zirconium bis(3,5-di-tert-butylphenoxide) and subsequently replacing the phenoxide groups by X using suitable replacement reagents to give the compound of the formula I; where the substituents X can be identical or different and are each F, Cl, Br, I or linear, cyclic or branched C1-10-alkyl; and the substituents R can be identical or different and are each linear, cyclic or branched C1-10-alkyl or C6-10-aryl; and also to the use of these compounds as catalysts.Type: GrantFiled: October 22, 2003Date of Patent: August 29, 2006Assignee: Basell Polyolefine GmbHInventors: Hans-Robert Damrau, Patrik Müller, Valerie Garcia, Christian Sidot, Christian Tellier, Jean-Francois Lelong
-
Publication number: 20060167295Abstract: The present invention relates to a specific process for the diastereoselective synthesis of rac-diorganosilylbis(2-methylbenzo[e]indenyl)zirconium compounds of the formula I, by reacting the silyl-bridged bisindenyl ligand with a dihalozirconium bis(3,5-di-tert-butylphenoxide)-base adduct to form the diorganosilylbis(2-methylbenzo[e]indenyl)zirconium bis(3,5-di-tert-butylphenoxide) and subsequently replacing the phenoxide groups by X using suitable replacement reagents to give the compound of the formula I; where the substituents X can be identical or different and are each F, Cl, Br, I or linear, cyclic or branched C1-10-alkyl; and the substituents R can be identical or different and are each linear, cyclic or branched C1-10-alkyl or C6-10-aryl; and also to the use of these compounds as catalysts.Type: ApplicationFiled: October 22, 2003Publication date: July 27, 2006Inventors: Hans-Robert Damrau, Patrik Muller, Valerie Garcia, Christian Sidot, Christian Tellier, Jean-Francois Lelong
-
Publication number: 20060111527Abstract: The invention relates to a process for preparing racemic metallocene complexes by reacting transition metal complexes with cyclopentadienyl derivatives of alkali metals or alkaline earth metals and heating the reaction mixture obtained in this way to a temperature in the range from ?78 to 250° C., to the corresponding metallocene complexes themselves and to their use as catalysts or as constituents of catalysts for the polymerization of olefinically unsaturated compounds or as reagents or catalysts in stereoselective synthesis.Type: ApplicationFiled: October 22, 2003Publication date: May 25, 2006Inventors: Hans-Robert-Hellmuth Damrau, Patrik Muller, Valerie Garcia, Christian Sidot, Christian Tellier, Jean-Francois Lelong, Eric Huriez
-
Publication number: 20060052587Abstract: The invention relates to a process for preparing racemic metallocene biphenoxide complexes by reacting bridged transition metal complexes with cyclopentadienyl derivatives of alkali metals or alkaline earth metals and heating the reaction mixture obtained in this way to a temperature in the range from ?78 to 250° C., to the corresponding metallocene biphenoxide complexes and to their use as catalysts or as constituents of catalysts for the polymerization of olefinically unsaturated compounds or as reagents or catalysts in stereoselective synthesis.Type: ApplicationFiled: October 22, 2003Publication date: March 9, 2006Applicant: Basell Polyolefine GmbHInventors: Hans-Robert-Hellmuth Damrau, Patrick Muller, Valerie Garcia, Christian Sidot, Christian Tellier, Jean-Francois Lelong
-
Patent number: 5914429Abstract: In an industrial process for the manufacture of sodium orthohydroxymandelate by condensation of phenol in an inert atmosphere with glyoxylic acid in aqueous solution, in the presence of a tertiary amine and of catalytic quantities of a trivalent metal cation at a temperature below 100.degree. C., carried out continuously in at least two reactors (R1 . . .Type: GrantFiled: March 2, 1998Date of Patent: June 22, 1999Assignee: Clariant (France) S. A.Inventor: Christian Sidot
-
Patent number: 5750775Abstract: A crystallized sodium orthohydroxymandelate-phenol-water complex, its preparation process in which phenol (P.sub.2) is introduced into an aqueous solution S at a pH comprised between 7 and 9.5 in order to obtain the expected product which is crystallized, the aqueous solution S being such as that resulting from the reaction of phenol (P.sub.1) with glyoxylic acid in the presence of a tertiary amine and of a trivalent cation, then treatment using a solution of an alkaline hydroxide, use of this complex for the preparation of sodium orthohydroxymandelate (NaOHM), preparation process for the latter from the starting complex.Type: GrantFiled: September 18, 1996Date of Patent: May 12, 1998Assignee: Societe Francaise HoechstInventors: Christian Sidot, Michel Tarlier