Patents by Inventor Guenther Schweier
Guenther Schweier 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: 7816452Abstract: The present invention relates to a process for preparing propylene polymer compositions in at least two-stage process wherein, in a first stage, a propylene homopolymer or a propylene copolymer comprising propylene and at least a CZ-CIO-1-alkenes other than propylene, containing at least 85% by weight of propylene, is prepared by polymerization and, in a second stage, ethylene and at least a comonomer selected from propylene and C4-C,o1alkenes are polymerized to give an ethylene polymer, comprising at least 90% by weight of ethylene, wherein the amount of the ethylene polymer in the propylene polymer composition ranges from 10 to 50% by weight and the propylene polymer composition has a melt flow rate MFR, in accordance with ISO 1133 at 230° C. and 2.16 kg, of from 2 to 50 g/10 min.Type: GrantFiled: July 23, 2003Date of Patent: October 19, 2010Assignee: Basell Poliolifine Italia s.r.l.Inventors: Ulrich Clemens Dahn, Wolfgang Bidell, Hans-Jürgen Zimmermann, Joachim Roesch, Guenther Schweier
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Patent number: 7348384Abstract: Novel supported, titanized chromium catalysts for the homopolymerization of ethylene and the copolymerization of ethylene with ?-olefins, a process for preparing them and to their use for the polymerization of olefins.Type: GrantFiled: January 12, 2006Date of Patent: March 25, 2008Assignee: Basell Polyolefine GmbHInventors: Martin Schneider, Rainer Karer, Dieter Lilge, Volker Rauschenberger, Philipp Rosendorfer, Joachim Wulff-Döring, Günther Schweier, Martin Lux, Peter Bauer
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Patent number: 7196140Abstract: The invention relates to highly flowable propylene block copolymers that comprise 50 to 80 wt.-% of a propylene homopolymer and 10 to 70 wt.-% of a propylene copolymer having 5 to 50 wt.-% of a C2–C8 alk-1-ene polymerized into it that is different from propylene, and that are obtainable from the gaseous phase by a two-step polymerization by means of a Ziegler-Natta catalyst system. In a first polymerization step, the propylene is polymerized at a pressure of 10 to 50 bar, a temperature of 50 to 100° C. and an average dwelling time of the reaction mixture of 0.3 to 5 hours in the presence of at least 2.0% by volume, based on the total volume, of hydrogen. The propylene homopolymer obtained in said first polymerization step is transferred together with the Ziegler-Natta catalyst system into an intermediate container, expanded for 0.01 to 5 minutes to less than 5 bar and maintained at a temperature of 10 to 80° C.Type: GrantFiled: May 23, 2001Date of Patent: March 27, 2007Assignee: Basell Poliolefine Italia S.p.A.Inventors: Ulrich Dahn, Wolfgang Bidell, Hans-Jürgen Zimmermann, Roland Hingmann, Joachim Rösch, Günther Schweier, Jürgen Oelze
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Patent number: 7026421Abstract: Random copolymers of propylene with other 1-alkenes having up to carbon atoms, whose content of comonomers is in the range from 0.7 to 1.4% by weight if the only comonomer present in the propylene copolymers is ethylene, or whose content of comonomers is in the range from 0.7 to 3.0% by weight if at least one C4–C10-1-alkene is present as comonomer, and whose cold-xylene-soluble fraction is from 1.0 to 2.5% by weight if ethylene is present as a comonomer in the propylene copolymers, or whose cold-xylene-soluble fraction is from 0.75 to 2.0% by weight if the only comonomers present are C4–C10-1-alkenes, and a process for preparing the random copolymers of propylene is described, as is their use for producing films, fibers or moldings, and also the films, fibers and moldings themselves and biaxially stretched films made from random propylene copolymers of this type and processes for their production.Type: GrantFiled: October 25, 2004Date of Patent: April 11, 2006Assignee: Basell Polyolefine GmbHInventors: David Appleyard, Franz Langhauser, Murray Horton, Roland Hingmann, Günther Schweier, Volker Rauschenberger, Ingolf Hennig, Dieter Lilge, Werner Schöne, Meinolf Kersting
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Patent number: 7022795Abstract: Propylene homopolymers, wherein, in their separation according to tacticity by first dissolving the polymers in boiling xylene, then cooling the solution to 25° C. at a cooling rate of 10° C./h and then, with ascending temperature, separating the propylene homopolymers into fractions of different tacticity, either one or more of the conditions that i) the fraction of propylene homopolymers which remains undissolved on heating the cooled propylene homopolymer solution to 112° C. is greater than 20% by weight or ii) the fraction of propylene homopolymers which remains undissolved on heating the cooled propylene homopolymer solution to 117° C. is greater than 8% by weight or iii) the fraction of propylene homopolymers which remains undissolved on heating the cooled propylene homopolymer solution to 122° C. is greater than 1% by weight, are satisfied.Type: GrantFiled: March 13, 1998Date of Patent: April 4, 2006Assignee: Novolen Technology Holdings, C.V.Inventors: Stephan Hüffer, Joachim Rösch, Stefan Seelert, Franz Langhauser, Dieter Lilge, Roland Hingmann, Günther Schweier
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Patent number: 7019089Abstract: Novel supported, titanized chromium catalysts can be used for the homopolymerization of ethylene and the copolymerization of ethylene with ?-olefins.Type: GrantFiled: June 28, 2001Date of Patent: March 28, 2006Assignee: Basell Polyolefine GmbHInventors: Martin Schneider, Rainer Karer, Dieter Lilge, Volker Rauschenberger, Philipp Rosendorfer, Joachim Wulff-Döring, Günther Schweier, Martin Lux, Peter Bauer
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Patent number: 7001965Abstract: Random copolymers of propylene with other 1-alkenes having up to carbon atoms, whose content of comonomers is in the range from 0.7 to 1.4% by weight if the only comonomer present in the propylene copolymers is ethylene, or whose content of comonomers is in the range from 0.7 to 3.0% by weight if at least one C4–C10-1-alkene is present as comonomer, and whose cold-xylene-soluble fraction is from 1.0 to 2.5% by weight if ethylene is present as a comonomer in the propylene copolymers, or whose cold-xylene-soluble fraction is from 0.75 to 2.0% by weight if the only comonomers present are C4–C10-1-alkenes, and a process for preparing the random copolymers of propylene is described, as is their use for producing films, fibers or moldings, and also the films, fibers and moldings themselves and biaxially stretched films made from random propylene copolymers of this type and processes for their production.Type: GrantFiled: October 25, 2004Date of Patent: February 21, 2006Assignee: BASF AktiengesellschaftInventors: David Appleyard, Franz Langhauser, Murray Horton, Roland Hingmann, Günther Schweier, Volker Rauschenberger, Ingolf Hennig, Dieter Lilge, Werner Schöne, Meinolf Kersting
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Publication number: 20050239967Abstract: The present invention relates to a process for preparing propylene polymer compositions in in at least two-stage process wherein, in a first stage, a propylene homopolymer or a propylene copolymer comprising propylene and at least a CZ-CIO-1-alkenes other than propylene, containing at least 85% by weight of propylene, is prepared by polymerization and, in a second stage, ethylene and at least a comonomer selected from propylene and C4-C,o1alkenes are polymerized to give an ethylene polymer, comprising at least 90% by weight of ethylene, wherein the amount of the ethylene polymer in the propylene polymer composition ranges from 10 to 50% by weight and the propylene polymer composition has a melt flow rate MFR, in accordance with ISO 1133 at 230° C. and 2.16 kg, of from 2 to 50 g/10 min.Type: ApplicationFiled: July 23, 2003Publication date: October 27, 2005Applicant: Basell Polyolefine GmbHInventors: Ulrich Dahn, Wolfgang Bidell, Hans-Jurgen Zimmermann, Joachim Roesch, Guenther Schweier
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Patent number: 6919412Abstract: Substituted monocyclopentadienyl, monoindenyl, monofluorenyl or heterocyclopentadienyl complexes of chromium, molybdenum or tungsten, wherein at least one of the substituents of the cyclopentadienyl ring carries a rigid donor function which is not exclusively bonded through sp3-hybridized carbon or silicon atoms, and a process for polymerizing olefins.Type: GrantFiled: August 1, 2000Date of Patent: July 19, 2005Assignee: Basell Polyolefine GmbHInventors: Shahram Mihan, Dieter Lilge, Paulus de Lange, Günther Schweier, Martin Schneider, Ursula Rief, Udo Handrich, Johannes Hack, Markus Enders, Gunter Ludwig, Ralph Rudolph
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Patent number: 6911516Abstract: Copolymers of ethylene with C3-C12 ?-olefin have a polydispersity Mw/Mn of ?10, a density of from 0.85 to 0.95 g/cm3, a proportion of from 1 to 40% by weight of comonomer and a molar mass Mn above 150,000 g/mol and a comonomer composition distribution breadth index above 70%. A process for their preparation is described, as are their use and fibers, moldings, films and polymer mixtures comprising these copolymers.Type: GrantFiled: August 1, 2000Date of Patent: June 28, 2005Assignee: Basell Polyolefine GmbHInventors: Shahram Mihan, Dieter Lilge, Günther Schweier, Markus Endres
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Patent number: 6849699Abstract: A continuous vapor-phase fluidized-bed process for the preparation of ethylene homopolymers and copolymers having a density of from 0.87 to 0.97 g/cm3 in which ethylene or mixtures of ethylene and C3-C8 a-monoolefins are (co)polymerized in the presence of a supported chromium catalyst in the polymerization zone of a vapor-phase fluidized-bed reactor under pressures ranging from 1 to 100 bar and at temperatures ranging from 30° to 125° C. in the vapor phase in an agitated bed of bulk material comprising particulate polymer, the resultant heat of polymerization is removed by cooling the recirculated reactor gas and the resulting (co)polymer is removed from the vapor-phase fluidized-bed reactor, wherein, for the preparation of a (co)polymer of a specific density d, the (co)polymerization is carried out at a temperature which is in a range restricted by an upper envelope defined by equation I T H = 171 + 6 ? ? ? d ? 0.Type: GrantFiled: September 11, 2003Date of Patent: February 1, 2005Assignee: Basell Polyolefine GmbHInventors: Peter Bauer, Armin Lange, Rainer Karer, Philipp Rosendorfer, Manfred Hecker, Günther Schweier, Wolfgang Micklitz, Kaspar Evertz, Hans-Jacob Feindt
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Patent number: 6838563Abstract: Substituted monocyclopentadienyl, monoindenyl, monofluorenyl and heterocyclopentadienyl complexes of chromium, molybdenum or tungsten in which at least one of the substituents on the cyclopentadienyl ring carries a donor function which is bonded rigidly, not exclusively via sp3-hybridized carbon or silicon atoms, and a process for the polymerization of olefins.Type: GrantFiled: June 11, 2002Date of Patent: January 4, 2005Assignee: Basell PolyolefinsInventors: Shahram Mihan, Dieter Lilge, Paulus de Lange, Günther Schweier, Martin Schneider, Ursula Rief, Udo Handrich, Johannes Hack, Markus Enders, Gunter Ludwig, Ralph Rudolph
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Patent number: 6812185Abstract: In a process for preparing a metal-containing supported catalyst or a metal-containing supported catalyst component by impregnation of a support material with an impregnation solution comprising the metal component, the impregnation solution flows through the support material.Type: GrantFiled: July 30, 2003Date of Patent: November 2, 2004Assignee: Basell Polyolefine GmbHInventors: David Fischer, Wolfgang Bidell, Ulrich Moll, Joachim Rösch, Franz Langhauser, Roland Hingmann, Heike Gregorius, Carsten Süling, Günther Schweier
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Patent number: 6803431Abstract: The polymerization of olefins is carried out in the presence of catalysts comprising at least one complex of a transition metal with a tridentate macrocyclic ligand which additionally bears at least one functional substituent and, if desired, one or more activator compounds. A catalyst system comprising at least one transition metal complex as set forth above and at least one activator compound is also provided.Type: GrantFiled: September 28, 2001Date of Patent: October 12, 2004Assignee: BASF AktiengesellschaftInventors: Shahram Mihan, Dieter Lilge, Günther Schweier, Randolf Köhn, Guido Seifert
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Patent number: 6787498Abstract: Substituted monocyclopentadienyl, monoindenyl, monofluorenyl and heterocyclopentadienyl complexes of chromium, molybdenum or tungsten in which at least one of the substituents on the cyclopentadienyl ring carries a donor function which is bonded rigidly, not exclusively via sp3-hybridized carbon or silicon atoms, and a process for the polymerization of olefins.Type: GrantFiled: June 11, 2002Date of Patent: September 7, 2004Assignee: Basell Polyolefine GmbHInventors: Shahram Mihan, Dieter Lilge, Paulus de Lange, Günther Schweier, Martin Schneider, Ursula Rief, Udo Handrich, Johannes Hack, Markus Enders, Gunter Ludwig, Ralph Rudolph
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Patent number: 6699948Abstract: Substituted monocyclopentadienyl, monoindenyl, monofluorenyl and heterocyclopentadienyl complexes of chromium, molybdenum or tungsten in which at least one of the substituents on the cyclopentadienyl ring carries a donor function which is bonded rigidly, not exclusively via sp3-hybridized carbon or silicon atoms, and a process for the polymerization of olefins.Type: GrantFiled: June 11, 2002Date of Patent: March 2, 2004Assignee: BASF AktiengesellschaftInventors: Shahram Mihan, Dieter Lilge, Paulus de Lange, Günther Schweier, Martin Schneider, Ursula Rief, Udo Handrich, Johannes Hack, Markus Enders, Gunter Ludwig, Ralph Rudolph
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Patent number: 6649709Abstract: A continuous vapor-phase fluidized-bed process for the preparation of ethylene homopolymers and copolymers having a density of from 0.87 to 0.97 g/cm3 in which ethylene or mixtures of ethylene and C3-C8 a-monoolefins are (co)polymerized in the presence of a supported chromium catalyst in the polymerization zone of a vapor-phase fluidized-bed reactor under pressures ranging from 1 to 100 bar and at temperatures ranging from 30° to 125° C.Type: GrantFiled: May 31, 2000Date of Patent: November 18, 2003Assignee: Basell Polyolefine GmbHInventors: Peter Bauer, Armin Lange, Rainer Karer, Philipp Rosendorfer, Manfred Hecker, Günther Schweier, Wolfgang Micklitz, Kaspar Evertz, Hans-Jacob Feindt
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Patent number: 6593442Abstract: A semicrystalline propylene polymer composition with good suitability for producing biaxially oriented films and prepared by polymerizing propylene, ethylene and/or C4-C18-1-alkenes, where at least 50 mol % of the monomer units present arise from the polymerization of propylene. Also described is the use of the semicrystalline propylene polymer composition for producing films, fibers or moldings, the films, fibers and moldings made from these compositions, biaxially stretched films made from the semicrystalline propylene polymer compositions, and also a method for characterizing the semicrystalline propylene polymer compositions.Type: GrantFiled: December 18, 2000Date of Patent: July 15, 2003Assignee: Basell Polypropylen GmbHInventors: Wolfgang Bidell, Roland Hingmann, Franz Langhauser, Dieter Lilge, Volker Rauschenberger, Günther Schweier, Florian Stricker, Jürgen Suhm
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Patent number: 6589905Abstract: The invention relates to a method for producing a supported catalyst which contains metal, or a supported catalyst constituent which contains metal by impregnating a supporting material with an impregnating solution containing the metal constituent, whereby the impregnating solution flows through the supporting material.Type: GrantFiled: January 2, 2001Date of Patent: July 8, 2003Assignee: Basell Polyolefine GmbHInventors: David Fischer, Wolfgang Bidell, Ulrich Moll, Joachim Rösch, Franz Langhauser, Roland Hingmann, Heike Gregorius, Carsten Süling, Günther Schweier
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Patent number: 6583253Abstract: Propene terpolymers consist of from 80 to 99.5 mol % of structural units derived from propene, from 0.1 to 15 mol % of structural units derived from ethene or a C4-C6-1-olefin (I) and from 0.Type: GrantFiled: December 5, 2000Date of Patent: June 24, 2003Assignee: Basell Polypropylen GmbHInventors: David Fischer, Peter John Vaughan Jones, Franz Langhauser, Wolfgang Bidell, Roland Hingmann, Günther Schweier, Bernd Lothar Marczinke, Meinolf Kersting, Ulrich Moll