Patents by Inventor Heike Kloppenburg
Heike Kloppenburg 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: 10611855Abstract: Modified diene polymers containing heteroatoms are disclosed, as is their production, rubber mixtures comprising these modified diene rubbers, and to their use for the production of rubber vulcanizates, which serve, in particular, for the production of rubber moldings and the production of tires.Type: GrantFiled: January 5, 2016Date of Patent: April 7, 2020Assignee: ARLANXEO DEUTSCHLAND GMBHInventors: Heike Kloppenburg, Thomas Ruenzi
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Patent number: 10203319Abstract: The invention relates to a process for determining the degree of branching of modified polymers wherein the polymers are modified in the sense that their degree of branching after polymerization was increased once more, wherein the modified polymers are treated with a polar transformation mixture comprising a compound of general formula (I) R1—S—S—R1?? (I) wherein the Mooney viscosity (ML 1+4 at 100° C.) of the polymers is determined before and after the treatment with the polar transformation mixture and the degree of branching is determined.Type: GrantFiled: October 9, 2014Date of Patent: February 12, 2019Assignee: ARLANXEO DEUTSCHLAND GMBHInventors: Heike Kloppenburg, Alicia Le-Sattler
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Publication number: 20180244865Abstract: Polymer masterbatch compositions, the production and use thereof, as well as vulcanizable rubber compounds comprising these masterbatch compositions, and their use for the production of moldings in the production of tires.Type: ApplicationFiled: August 3, 2016Publication date: August 30, 2018Applicant: ARLANXEO Deutschland GmbHInventors: Thomas GROSS, Heike KLOPPENBURG, Alex LUCASSEN, Thomas RUENZI, Norbert STEINHAUSER, Olaf HALLE
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Publication number: 20180237546Abstract: Modified diene polymers containing heteroatoms are disclosed, as is their production, rubber mixtures comprising these modified diene rubbers, and to their use for the production of rubber vulcanizates, which serve, in particular, for the production of rubber moldings and the production of tires.Type: ApplicationFiled: January 5, 2016Publication date: August 23, 2018Applicant: ARLANXEO Deutschland GmbHInventors: Heike KLOPPENBURG, Thomas RUENZI
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Patent number: 10005857Abstract: Vulcanizable polymer compositions based on backbone-functionalized polydienes having the general formula (I):Type: GrantFiled: October 9, 2014Date of Patent: June 26, 2018Assignee: ARLANXEO Deutschland GmbHInventors: Heike Kloppenburg, Ulrich Feldhues, Heinz Unterberg, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad, Alicia Le-Sattler
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Patent number: 9963519Abstract: The invention relates to neodymium-catalyzed polybutadienes (NdBR) comprising >95 wt % of cis-1,4 units and <1 wt % of 1,2-vinyl content, based on the neodymium-catalyzed polybutadiene, wherein the NdBR evinces a molar mass breakdown of not less than 25%.Type: GrantFiled: March 13, 2017Date of Patent: May 8, 2018Assignee: ARLANXEO Deutschland GmbHInventors: Heike Kloppenburg, Alicia Le-Sattler
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Patent number: 9938398Abstract: The invention relates to vulcanizable rubber compositions comprising at least the following components: a) at least one functionalized polymer, b) at least one modified polybutadiene having a proportion of cis-1,4 units of >95% by weight and a proportion of 1,2-vinyl content of <1% by weight, the polybutadiene having been modified by means of sulphur chlorides after the polymerization, c) at least one silica, d) at least one further filler, e) at least one vulcanizing agent, f) at least one oil and g) optionally at least one further rubber additive.Type: GrantFiled: October 23, 2014Date of Patent: April 10, 2018Assignee: ARLANXEO Deutschland GmbHInventors: David John Hardy, Heike Kloppenburg, Alex Lucassen, Norbert Steinhauser, Yan Zhang
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Patent number: 9845366Abstract: The invention relates to methods for achieving a step increase in the Mooney viscosity in production of high-molecular-weight polybutadiene having >95% by weight content of cis-1,4 units and <1% by weight 1,2-vinyl content, characterized in that 1) at least one monomer selected from butadiene and/or isoprene is polymerized at temperatures of from ?20° C. to 150° C. in the presence of at least one inert, organic solvent and in the presence of at least one catalyst based on neodymium carboxylate, 2) the polymerization is then terminated by addition of protic compounds and 3) then sulphur chlorides are added to the polymer, and prior to addition these sulphur chlorides are treated with a carboxylic acid, fatty acid and/or fatty acid ester.Type: GrantFiled: June 18, 2013Date of Patent: December 19, 2017Assignee: ARLANXEO Deutschland GmbHInventors: Heike Kloppenburg, Thomas Gross, Alex Lucassen, Dave Hardy, Yan Zhang, Alicia Le-Sattler
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Patent number: 9758646Abstract: The invention relates to an NdBR wet masterbatch comprising —neodymium-catalyzed polybutadienes having a high proportion of cis-1,4 units of >95% and a low proportion of 1,2-vinyl content of <1%, with narrow polydispersity of less than 3, with a Mooney viscosity (ML1+4 100° C.) between 30 and 90 MU, with a high linearity index (ratio of solution viscosity to Mooney viscosity) of 3 to 10 m Pas/MU and with a Mooney relaxation after 30 seconds of 2 to 12%, the latter being prepared by means of solution polymerization, —at least one carbon black, the carbon black having an iodine absorption number (ION) between 85 and 210 mg/g, measured to ASTM D1510-1304, and an oil absorption number (OAN) between 75 and 150 ml/100 g, measured to ASTM D2414, and —an oil.Type: GrantFiled: October 26, 2012Date of Patent: September 12, 2017Assignee: ARLANXEO Deutschland GmbHInventors: Heike Kloppenburg, Alex Lucassen, David Hardy, Thomas Gross, Judy Elizabeth Douglas
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Publication number: 20170183424Abstract: The Invention relates to neodymium-catalysed polybutadienes (NdBR) comprising >95 wt % of cis-1,4 units and <1 wt % of 1,2-vinyl content, based on the neodymium-catalysed polybutadiene, wherein the NdBR evinces a molar mass breakdown of not less than 25%.Type: ApplicationFiled: March 13, 2017Publication date: June 29, 2017Applicant: ARLANXEO Deutschland GmbHInventors: Heike KLOPPENBURG, Alicia LE-SATTLER
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Patent number: 9593228Abstract: The invention relates to functionalized diene rubbers with trimethylolpropane and fatty acid, to a process for production there of and use thereof for the production of wet-skid-resistant and low-rolling-resistance motor-vehicle tire treads with high abrasion resistance.Type: GrantFiled: May 14, 2010Date of Patent: March 14, 2017Assignee: ARLANXEO Deutschland GmbHInventors: Norbert Steinhauser, Heike Kloppenburg, David Hardy, Alex Lucassen, Dietmar Hoff, Michaela Meiers
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Publication number: 20160280815Abstract: Vulcanizable polymer compositions based on backbone-functionalized polydienes having the general formula (I):Type: ApplicationFiled: October 9, 2014Publication date: September 29, 2016Inventors: Heike KLOPPENBURG, Ulrich FELDHUES, Heinz UNTERBERG, Hermann-Josef WEIDENHAUPT, Melanie WIEDEMEIER-JARAD, Alicia LE-SATTLER
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Publication number: 20160257770Abstract: The invention relates to neodymium-catalysed polybutadienes (NdBR) comprising >95 wt % of cis-1,4 units and <1 wt % of 1,2-vinyl content, based on the neodymium-catalysed polybutadiene, wherein the NdBR evinces a molar mass breakdown of not less than 25%.Type: ApplicationFiled: October 9, 2014Publication date: September 8, 2016Applicant: Arlanxeo Deutschland GmbHInventors: Heike KLOPPENBURG, Alicia LE-SATTLER
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Publication number: 20160237259Abstract: The invention relates to vulcanizable rubber compositions comprising at least the following components: a) at least one functionalized polymer, b) at least one modified polybutadiene having a proportion of cis-1,4 units of >95% by weight and a proportion of 1,2-vinyl content of <1% by weight, the polybutadiene having been modified by means of sulphur chlorides after the polymerization, c) at least one silica, d) at least one further filler, e) at least one vulcanizing agent, f) at least one oil and g) optionally at least one further rubber additive.Type: ApplicationFiled: October 23, 2014Publication date: August 18, 2016Inventors: David John HARDY, Heike KLOPPENBURG, Alex LUCASSEN, Norbert STEINHAUSER, Yan ZHANG
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Publication number: 20160231305Abstract: The invention relates to a process for determining the degree of branching of modified polymers wherein the polymers are modified in the sense that their degree of branching after polymerization was increased once more, wherein the modified polymers are treated with a polar transformation mixture comprising a compound of general formula (I) R1—S—S—R1?? (I) wherein the Mooney viscosity (ML 1+4 at 100° C.) of the polymers is determined before and after the treatment with the polar transformation mixture and the degree of branching is determined.Type: ApplicationFiled: October 9, 2014Publication date: August 11, 2016Inventors: Heike KLOPPENBURG, Alicia LE-SATTLER
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Patent number: 9284385Abstract: The invention relates to a high molecular weight bimodal neodymium-catalysed polybutadiene having a high proportion, >95%, of cis-1,4 units and a low proportion, <1%, of 1,2-vinyl content, wherein the polybutadiene has a linear polymeric main fraction and a long chain branched polymeric fraction, wherein the slope in the RGM relationship is >0.5 for the polymeric main fraction and <0.3 for the long chain branched polymeric fraction.Type: GrantFiled: February 17, 2011Date of Patent: March 15, 2016Assignee: LANXESS Deutschland GmbHInventors: Heike Kloppenburg, Thomas Gross
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Patent number: 9279025Abstract: The invention relates to a high-molecular-weight, linear, neodymium-catalyzed polybutadiene having a high proportion, >95%, of cis-1,4 units having a low proportion, <1%, of 1,2-vinyl content, and also having a small molar-mass-polydispersity index (MPI), characterized in that Mooney viscosity (ML1+4 100° C.) of the polybutadiene is from 70 to 90 and The molar-mass-polydispersity index of the polybutadiene is smaller than 10.Type: GrantFiled: August 27, 2014Date of Patent: March 8, 2016Assignee: LANXESS Deutschland GmbHInventors: Heike Kloppenburg, Norbert Steinhauser
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Publication number: 20150252126Abstract: The invention relates to methods for achieving a step increase in the Mooney viscosity in production of high-molecular-weight polybutadiene having >95% by weight content of cis-1,4 units and <1% by weight 1,2-vinyl content, characterized in that 1) at least one monomer selected from butadiene and/or isoprene is polymerized at temperatures of from ?20° C. to 150° C. in the presence of at least one inert, organic solvent and in the presence of at least one catalyst based on neodymium carboxylate, 2) the polymerization is then terminated by addition of protic compounds and 3) then sulphur chlorides are added to the polymer, and prior to addition these sulphur chlorides are treated with a carboxylic acid, fatty acid and/or fatty acid ester.Type: ApplicationFiled: June 18, 2013Publication date: September 10, 2015Inventors: Heike Kloppenburg, Thomas Gross, Alex Lucassen, Dave Hardy, Yan Zhang, Alicia Le-Sattler
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Patent number: 9079981Abstract: The present invention relates to nano-structured diene polymers and their preparation and to their use.Type: GrantFiled: August 7, 2008Date of Patent: July 14, 2015Assignee: LANXESS DEUTSCHLAND GMBHInventors: Heike Kloppenburg, Thomas Groβ, Alex Lucassen, Dave Hardy
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Patent number: 8975361Abstract: The present invention relates to water and solvent-free polymers, in particular water and solvent-free synthetic rubber products like styrene butadiene rubber products and butadiene rubber products as well as a process for the production thereof. The invention further relates to a device suitable to accomplish said process.Type: GrantFiled: March 23, 2011Date of Patent: March 10, 2015Assignee: LANXESS Deutschland GmbHInventors: Wolfgang Krumbe, Rolf Feller, Paul Wagner, Hanns-Ingolf Paul, Martin Siebuerger, Heike Kloppenburg, Alicia Le-Sattler, John Lovegrove