Patents by Inventor Diana Doetsch
Diana Doetsch 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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Publication number: 20230023978Abstract: Methods for processing LDPE recyclates including, but not limited to, polyethylene and polypropylene and compositions therefrom are provided. LDPE recyclate can be visbroken to improve processing characteristics and/or devolatilized to remove waste byproducts to produce processed LDPE recyclates. Processed LDPE recyclates are compounded with pre-consumer polyolefins to produce blend compositions having acceptable or even improved processing characteristics. Such pre-consumer polyolefins can also be visbroken to further tailor processing characteristics of such polymer blends. A combination of extruders and/or extruder zones can be used at the same or different locations for visbreaking and/or compounding of both LDPE recyclate and/or pre-consumer polyolefins.Type: ApplicationFiled: June 21, 2022Publication date: January 26, 2023Applicant: EQUISTAR CHEMICALS, LPInventors: HARILAOS MAVRIDIS, MICK C. HUNDLEY, SAMEER D. MEHTA, MARCO CONSALVI, GERHARDUS MEIER, LINDSAY E. CORCORAN, ANDREAS MAUS, TIMO HEES, PASCAL REBMANN, DIANA DOETSCH, KATHARINA ELSAS
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Patent number: 11485838Abstract: A polyethylene composition for producing blow-molded hollow articles, having the following features: 1) density from 0.940 to 0.955 g/cm3, determined according to ISO 1183 at 23° C.; 2) ratio MIF/MIP from 12 to 40; 3) Mz from 500,000 to 3,500,000 g/mol; 4) ?0.02 from 80,000 to 300,000 Pa·s; 5) HMWcopo index from 1 to 15; and 6) Mz/Mw*LCBI lower than 6.4.Type: GrantFiled: December 12, 2018Date of Patent: November 1, 2022Assignee: Basell Polyolefine GmbHInventors: Diana Doetsch, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schueller, Claudio Fibla, Rainer Sattel, Peter Bisson
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Patent number: 11479660Abstract: A polyethylene composition for producing blow-molded hollow articles, having the following features: 1) density from 0.940 to 0.955 g/cm3 determined according to ISO 1183 at 23° C.; 2) ratio MIF/MIP from 12 to 30; 3) Mz from 2,000,000 to 4,500,000 g/mol; 4) ?0.02 from 160,000 to 300,000 Pa·s; and 5) long-chain branching index, LCBI, equal to or greater than 0.75.Type: GrantFiled: October 30, 2017Date of Patent: October 25, 2022Assignee: Basell Polyolefine GmbHInventors: Diana Doetsch, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schueller, Rainer Sattel, Peter Bisson
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Patent number: 11236183Abstract: A polyethylene composition for producing blow-molded hollow articles, having the following features: 1) a density from 0.945 to 0.958 g/cm3, determined according to ISO 1183 at 23° C.; 2) a ratio MIF/MI10 from 2 to 10; 3) a ?0.02 from 200,000 to 800,000 Pa·s; 4) a LCBI equal to or lower than 0.80; and 5) a ratio (?0.02/1000)/LCBI equal to or greater than 350.Type: GrantFiled: May 14, 2019Date of Patent: February 1, 2022Assignee: Basell Polyolefine GmbHInventors: Diana Doetsch, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schueller, Claudio Fibla
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Publication number: 20210238320Abstract: A polyethylene composition for producing blow-molded hollow articles, having the following features: 1) a density from 0.945 to 0.958 g/cm3, determined according to ISO 1183 at 23° C.; 2) a ratio MIF/MI10 from 2 to 10; 3) a ?0.02 from 200,000 to 800,000 Pa·s; 4) a LCBI equal to or lower than 0.80; and 5) a ratio (?0.02/1000)/LCBI equal to or greater than 350.Type: ApplicationFiled: May 14, 2019Publication date: August 5, 2021Applicant: BASELL POLYOLEFINE GMBHInventors: DIANA DOETSCH, BERND LOTHAR MARCZINKE, GERHARDUS MEIER, ULF SCHUELLER, CLAUDIO FIBLA
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Patent number: 10920050Abstract: A polyethylene composition for producing blow-molded hollow articles, having the following features: 1) density from 0.948 to 0.952 g/cm3 determined according to ISO 1183-1 at 23° C.; 2) ratio MIF/MIP from 12 to 25; 3) MIF from 18 to 40 g/10 min.; 4) Mz equal to or greater than 1,200,000 g/mol; 5) ?0.02 from 35,000 to 55,000 Pa·s; 6) long-chain branching index, LCBI, equal to or greater than 0.55; and 7) ratio (?0.02/1000)/LCBI from 55 to 75.Type: GrantFiled: October 30, 2017Date of Patent: February 16, 2021Assignee: Basell Polyolefine GmbHInventors: Diana Doetsch, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schueller, Elke Damm, Claudio Fibla
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Publication number: 20200354552Abstract: A polyethylene composition for producing blow-molded hollow articles, having the following features: 1) density from 0.940 to 0.955 g/cm3, determined according to ISO 1183 at 23° C.; 2) ratio MIF/MIP from 12 to 40; 3) Mz from 500,000 to 3,500,000 g/mol; 4) ?0.02 from 80,000 to 300,000 Pa·s; 5) HMWcopo index from 1 to 15; and 6) Mz/Mw*LCBI lower than 6.4.Type: ApplicationFiled: December 12, 2018Publication date: November 12, 2020Applicant: BASELL POLYOLEFINE GMBHInventors: DIANA DOETSCH, BERND LOTHAR MARCZINKE, GERHARDUS MEIER, ULF SCHUELLER, CLAUDIO FIBLA, RAINER SATTEL, PETER BISSON
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Patent number: 10577490Abstract: A polyethylene composition having the following features: 1) density from about 0.945 to about 0.955 g/cm3, determined according to ISO 1183 at 23° C.; 2) ratio MIF/MIP from about 23 to about 40; 3) MIF from about 8.5 to about 18 g/10 min.; 4) HMWcopo index from about 3.5 to about 20; and 5) long-chain branching index, LCBI, equal to or greater than about 0.45. The polyethylene composition can be used to produce pipes and films.Type: GrantFiled: June 6, 2016Date of Patent: March 3, 2020Assignee: Basell Polyolefine GmbHInventors: Iakovos Vittorias, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schüller, Andreas Maus, Harilaos Mavridis, Diana Dötsch
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Patent number: 10570277Abstract: A polyethylene composition for producing blow-molded hollow articles, having the following features: 1) density from greater than 0.952 to 0.957 g/cm3, determined according to ISO 1183-1 at 23° C.; 2) ratio MIF/MIP from 12 to 25; 3) MIF from 18 to 40 g/10 min.; 4) ?0.02 from 30,000 to 55,000 Pa·s; 5) long-chain branching index, LCBI, equal to or greater than 0.55; 6) ratio (?0.02/1000)/LCBI from 55 to 75.Type: GrantFiled: October 30, 2017Date of Patent: February 25, 2020Assignee: Basell Polyolefine GmbHInventors: Diana Doetsch, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schueller, Elke Damm, Claudio Fibla
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Patent number: 10570278Abstract: A polyethylene composition for producing blow-molded hollow articles, having the following features: 1) density from greater than 0.957 to 0.965 g/cm3, determined according to ISO 1183-1 at 23° C.; 2) ratio MIF/MIP from 12 to 25; 3) MIF from 18 to 40 g/10 min.; 4) Mw equal to or greater than 230,000 g/mol; 5) ?0.02 from 35,000 to 55,000 Pa·s; 6) long-chain branching index, LCBI, equal to or greater than 0.55; and 7) ratio (?0.02/1000)/LCBI from 55 to 75.Type: GrantFiled: October 30, 2017Date of Patent: February 25, 2020Assignee: Basell Polyolefine GmbHInventors: Diana Doetsch, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schueller, Elke Damm, Claudio Fibla
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Publication number: 20190338108Abstract: A polyethylene composition for producing blow-molded hollow articles, having the following features: 1) density from 0.940 to 0.955 g/cm3 determined according to ISO 1183 at 23° C.; 2) ratio MIF/MIP from 12 to 30; 3) Mz from 2,000,000 to 4,500,000 g/mol; 4) ?0.02 from 160,000 to 300,000 Pa·s; and 5) long-chain branching index, LCBI, equal to or greater than 0.75.Type: ApplicationFiled: October 30, 2017Publication date: November 7, 2019Applicant: BASELL POLYOLEFINE GMBHInventors: DIANA DOETSCH, BERND LOTHAR MARCZINKE, GERHARDUS MEIER, ULF SCHUELLER, RAINER SATTEL, PETER BISSON
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Patent number: 10457800Abstract: A polyethylene composition having the following features: 1) density from about 0.945 to about 0.951 g/cm3, determined according to ISO 1183 at 23° C.; 2) ratio MIF/MIP from about 25 to about 43; 3) MIF from about 3.5 to less than about 8.5 g/10 min.; 4) HMWcopo index from about 1 to about 40; and 5) long-chain branching index, LCBI, equal to or greater than about 0.83. The polyethylene composition can be used to produce pipes.Type: GrantFiled: June 6, 2016Date of Patent: October 29, 2019Assignee: Basell Polyolefine GmbHInventors: Iakovos Vittorias, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schüller, Andreas Maus, Diana Dötsch, Jens Wiesecke, Harilaos Mavridis
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Publication number: 20190309148Abstract: A polyethylene composition for producing blow-molded hollow articles, having the following features: 1) density from 0.948 to 0.952 g/cm3 determined according to ISO 1183-1 at 23° C.; 2) ratio MIF/MIP from 12 to 25; 3) MIF from 18 to 40 g/10 min.; 4) Mz equal to or greater than 1,200,000 g/mol; 5) ?0.02 from 35,000 to 55,000 Pa·s; 6) long-chain branching index, LCBI, equal to or greater than 0.55; and 7) ratio (?0.02/1000)/LCBI from 55 to 75.Type: ApplicationFiled: October 30, 2017Publication date: October 10, 2019Applicant: BASELL POLYOLEFINE GMBHInventors: DIANA DOETSCH, BERND LOTHAR MARCZINKE, GERHARDUS MEIER, ULF SCHUELLER, ELKE DAMM, CLAUDIO FIBLA
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Publication number: 20190284378Abstract: A polyethylene composition for producing blow-molded hollow articles, having the following features: 1) density from greater than 0.957 to 0.965 g/cm3, determined according to ISO 1183-1 at 23° C.; 2) ratio MIF/MIP from 12 to 25; 3) MIF from 18 to 40 g/10 min.; 4) Mw equal to or greater than 230,000 g/mol; 5) ?0.02 from 35,000 to 55,000 Pa·s; 6) long-chain branching index, LCBI, equal to or greater than 0.55; and 7) ratio (?0.02/1000)/LCBI from 55 to 75.Type: ApplicationFiled: October 30, 2017Publication date: September 19, 2019Applicant: BASELL POLYOLEFINE GMBHInventors: DIANA DOETSCH, BERND LOTHAR MARCZINKE, GERHARDUS MEIER, ULF SCHUELLER, ELKE DAMM, CLAUDIO FIBLA
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Publication number: 20190276649Abstract: A polyethylene composition for producing blow-molded hollow articles, having the following features: 1) density from greater than 0.952 to 0.957 g/cm3, determined according to ISO 1183-1 at 23° C.; 2) ratio MIF/MIP from 12 to 25; 3) MIF from 18 to 40 g/10 min.; 4) ?0.02 from 30,000 to 55,000 Pa·s; 5) long-chain branching index, LCBI, equal to or greater than 0.55; 6) ratio (?0.02/1000)/LCBI from 55 to 75.Type: ApplicationFiled: October 30, 2017Publication date: September 12, 2019Applicant: BASELL POLYOLEFINE GMBHInventors: DIANA DOETSCH, BERND LOTHAR MARCZINKE, GERHARDUS MEIER, ULF SCHUELLER, ELKE DAMM, CLAUDIO FIBLA
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Patent number: 10259892Abstract: Polyethylene composition for injection molding with a beneficial balance of environmental stress cracking resistance and impact resistance in combination with low warpage and beneficial processing behavior, said composition having the following features: 1) density of 0.945 g/cm3 or higher; 2) MIE from 1 to 30 g/10 min.; 3) ratio MIF/MIE from 15 to 30; 4) ER values from 0.40 to 0.52.Type: GrantFiled: June 17, 2015Date of Patent: April 16, 2019Assignee: Basell Polyolefine GmbHInventors: Gerhardus Meier, Ulf Schüller, Harilaos Mavridis, Bernd Lothar Marczinke, Diana Dötsch, Jens Wiesecke
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Publication number: 20180362743Abstract: A polyethylene composition having the following features: 1) density from about 0.945 to about 0.955 g/cm3, determined according to ISO 1183 at 23° C.; 2) ratio MIF/MIP from about 23 to about 40; 3) MIF from about 8.5 to about 18 g/10 min.; 4) HMWcopo index from about 3.5 to about 20; and 5) long-chain branching index, LCBI, equal to or greater than about 0.45. The polyethylene composition can be used to produce pipes and films.Type: ApplicationFiled: June 6, 2016Publication date: December 20, 2018Applicant: Basell Polyolefine GmbHInventors: Iakovos Vittorias, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schüller, Andreas Maus, Harrilaos Mavridis, Diana Dötsch
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Publication number: 20180237621Abstract: A polyethylene composition having the following features: 1) density from about 0.945 to about 0.951 g/cm3, determined according to ISO 1183 at 23° C.; 2) ratio MIF/MIP from about 25 to about 43; 3) MIF from about 3.5 to less than about 8.5 g/10 min.; 4) HMWcopo index from about 1 to about 40; and 5) long-chain branching index, LCBI, equal to or greater than about 0.83. The polyethylene composition can be used to produce pipes.Type: ApplicationFiled: June 6, 2016Publication date: August 23, 2018Applicant: Basell Polyolefine GmbHInventors: Iakovos Vittorias, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schüller, Andreas Maus, Diana Dötsch, Jens Wiesecke, Harrilaos Mavridis
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Publication number: 20170198069Abstract: Polyethylene composition for injection molding with a beneficial balance of environmental stress cracking resistance and impact resistance in combination with low warpage and beneficial processing behavior, said composition having the following features: 1) density of 0.945 g/cm3 or higher; 2) MIE from 1 to 30 g/10 min.; 3) ratio MIF/MIE from 15 to 30; 4) ER values from 0.40 to 0.52.Type: ApplicationFiled: June 17, 2015Publication date: July 13, 2017Applicant: Basell Polyolefine GmbHInventors: Gerhardus Meier, Ulf Schüller, Harilaos Mavridis, Bernd Lothar Marczinke, Diana Dötsch, Jens Wiesecke
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Patent number: 9493590Abstract: A novel polyethylene formed by Ziegler catalyst is devised, for use in blow moulding.Type: GrantFiled: November 22, 2010Date of Patent: November 15, 2016Assignee: Basell Polyolefine GmbHInventors: Joachim Berthold, Bernd Lothar Marczinke, Diana Dötsch, Rainer Sattel, Iakovos Vittorias, Peter Bisson