Patents by Inventor Diana Dötsch

Diana Dötsch 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: 11485838
    Abstract: 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: Grant
    Filed: December 12, 2018
    Date of Patent: November 1, 2022
    Assignee: Basell Polyolefine GmbH
    Inventors: Diana Doetsch, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schueller, Claudio Fibla, Rainer Sattel, Peter Bisson
  • Patent number: 11479660
    Abstract: 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: Grant
    Filed: October 30, 2017
    Date of Patent: October 25, 2022
    Assignee: Basell Polyolefine GmbH
    Inventors: Diana Doetsch, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schueller, Rainer Sattel, Peter Bisson
  • Patent number: 11236183
    Abstract: 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: Grant
    Filed: May 14, 2019
    Date of Patent: February 1, 2022
    Assignee: Basell Polyolefine GmbH
    Inventors: Diana Doetsch, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schueller, Claudio Fibla
  • Publication number: 20210238320
    Abstract: 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: Application
    Filed: May 14, 2019
    Publication date: August 5, 2021
    Applicant: BASELL POLYOLEFINE GMBH
    Inventors: DIANA DOETSCH, BERND LOTHAR MARCZINKE, GERHARDUS MEIER, ULF SCHUELLER, CLAUDIO FIBLA
  • Patent number: 10920050
    Abstract: 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: Grant
    Filed: October 30, 2017
    Date of Patent: February 16, 2021
    Assignee: Basell Polyolefine GmbH
    Inventors: Diana Doetsch, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schueller, Elke Damm, Claudio Fibla
  • Publication number: 20200354552
    Abstract: 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: Application
    Filed: December 12, 2018
    Publication date: November 12, 2020
    Applicant: BASELL POLYOLEFINE GMBH
    Inventors: DIANA DOETSCH, BERND LOTHAR MARCZINKE, GERHARDUS MEIER, ULF SCHUELLER, CLAUDIO FIBLA, RAINER SATTEL, PETER BISSON
  • Patent number: 10577490
    Abstract: 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: Grant
    Filed: June 6, 2016
    Date of Patent: March 3, 2020
    Assignee: Basell Polyolefine GmbH
    Inventors: Iakovos Vittorias, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schüller, Andreas Maus, Harilaos Mavridis, Diana Dötsch
  • Patent number: 10570278
    Abstract: 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: Grant
    Filed: October 30, 2017
    Date of Patent: February 25, 2020
    Assignee: Basell Polyolefine GmbH
    Inventors: Diana Doetsch, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schueller, Elke Damm, Claudio Fibla
  • Patent number: 10570277
    Abstract: 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: Grant
    Filed: October 30, 2017
    Date of Patent: February 25, 2020
    Assignee: Basell Polyolefine GmbH
    Inventors: Diana Doetsch, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schueller, Elke Damm, Claudio Fibla
  • Publication number: 20190338108
    Abstract: 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: Application
    Filed: October 30, 2017
    Publication date: November 7, 2019
    Applicant: BASELL POLYOLEFINE GMBH
    Inventors: DIANA DOETSCH, BERND LOTHAR MARCZINKE, GERHARDUS MEIER, ULF SCHUELLER, RAINER SATTEL, PETER BISSON
  • Patent number: 10457800
    Abstract: 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: Grant
    Filed: June 6, 2016
    Date of Patent: October 29, 2019
    Assignee: Basell Polyolefine GmbH
    Inventors: Iakovos Vittorias, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schüller, Andreas Maus, Diana Dötsch, Jens Wiesecke, Harilaos Mavridis
  • Publication number: 20190309148
    Abstract: 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: Application
    Filed: October 30, 2017
    Publication date: October 10, 2019
    Applicant: BASELL POLYOLEFINE GMBH
    Inventors: DIANA DOETSCH, BERND LOTHAR MARCZINKE, GERHARDUS MEIER, ULF SCHUELLER, ELKE DAMM, CLAUDIO FIBLA
  • Publication number: 20190284378
    Abstract: 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: Application
    Filed: October 30, 2017
    Publication date: September 19, 2019
    Applicant: BASELL POLYOLEFINE GMBH
    Inventors: DIANA DOETSCH, BERND LOTHAR MARCZINKE, GERHARDUS MEIER, ULF SCHUELLER, ELKE DAMM, CLAUDIO FIBLA
  • Publication number: 20190276649
    Abstract: 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: Application
    Filed: October 30, 2017
    Publication date: September 12, 2019
    Applicant: BASELL POLYOLEFINE GMBH
    Inventors: DIANA DOETSCH, BERND LOTHAR MARCZINKE, GERHARDUS MEIER, ULF SCHUELLER, ELKE DAMM, CLAUDIO FIBLA
  • Patent number: 10259892
    Abstract: 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: Grant
    Filed: June 17, 2015
    Date of Patent: April 16, 2019
    Assignee: Basell Polyolefine GmbH
    Inventors: Gerhardus Meier, Ulf Schüller, Harilaos Mavridis, Bernd Lothar Marczinke, Diana Dötsch, Jens Wiesecke
  • Publication number: 20180362743
    Abstract: 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: Application
    Filed: June 6, 2016
    Publication date: December 20, 2018
    Applicant: Basell Polyolefine GmbH
    Inventors: Iakovos Vittorias, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schüller, Andreas Maus, Harrilaos Mavridis, Diana Dötsch
  • Publication number: 20180237621
    Abstract: 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: Application
    Filed: June 6, 2016
    Publication date: August 23, 2018
    Applicant: Basell Polyolefine GmbH
    Inventors: Iakovos Vittorias, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schüller, Andreas Maus, Diana Dötsch, Jens Wiesecke, Harrilaos Mavridis
  • Publication number: 20170198069
    Abstract: 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: Application
    Filed: June 17, 2015
    Publication date: July 13, 2017
    Applicant: Basell Polyolefine GmbH
    Inventors: Gerhardus Meier, Ulf Schüller, Harilaos Mavridis, Bernd Lothar Marczinke, Diana Dötsch, Jens Wiesecke
  • Patent number: 9493590
    Abstract: A novel polyethylene formed by Ziegler catalyst is devised, for use in blow moulding.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: November 15, 2016
    Assignee: Basell Polyolefine GmbH
    Inventors: Joachim Berthold, Bernd Lothar Marczinke, Diana Dötsch, Rainer Sattel, Iakovos Vittorias, Peter Bisson
  • Patent number: 9090719
    Abstract: Novel polyethylenes having defined molecular weight distribution and LCB structure are devised, for films or moldings.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: July 28, 2015
    Assignee: Basell Polyolefine GmbH
    Inventors: Joachim Berthold, Bernd Lothar Marczinke, Diana Doetsch, Iakovos Vittorias, Dieter Lilge, Heinz Vogt, Johannes-Gerhard Müller