Patents by Inventor Tarja-Tuulikki Turpeinen

Tarja-Tuulikki Turpeinen 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).

  • High density polymer compositions, a method for their preparation and pressure-resistant pipes made therefrom
    Patent number: 8476370
    Abstract: The present invention deals with polymer compositions suitable for making pipes. The compositions comprise a multimodal copolymer of ethylene and one or more alpha-olefins having from 4 to 10 carbon atoms wherein the multimodal ethylene copolymer has a density of from 937 to 950 kg/m3, a melt index MFR5 of from 0.3 to 3.0 g/10 min, a melt index MFR2 of from 0.1 to 2.0 g/10 min and a shear thinning index SHI2.7/210 of from 2 to 30.
    Type: Grant
    Filed: May 25, 2009
    Date of Patent: July 2, 2013
    Assignee: Borealis AG
    Inventors: Mats Backman, Carl-Gustaf Ek, Anneli Pakkanen, Magnus Palmlof, Tarja-Tuulikki Turpeinen, John Severn
  • High Density Polymer Compositions, A Method for Their Preparation and Pressure-Resistant Pipes made Therefrom
    Publication number: 20110274860
    Abstract: The present invention deals with polymer compositions suitable for making pipes. The compositions comprise a multimodal copolymer of ethylene and one or more alpha-olefins having from 4 to 10 carbon atoms wherein the multimodal ethylene copolymer has a density of from 937 to 950 kg/m3, a melt index MFR5 of from 0.3 to 3.0 g/10 min, a melt index MFR2 of from 0.1 to 2.0 g/10 min and a shear thinning index SHI2.7/210 of from 2 to 30.
    Type: Application
    Filed: May 25, 2009
    Publication date: November 10, 2011
    Applicant: Borealis AG
    Inventors: Mats Backman, Carl-Gustaf Ek, Anneli Pakkanen, Magnus Palmlof, Tarja-Tuulikki Turpeinen, John Severn
  • High Density Polymer Compositions, A Method for Their Preparation and Pressure-Resistant Pipes made Therefrom
    Publication number: 20110165357
    Abstract: The present invention deals with polymer compositions suitable for making pipes. The compositions comprise a multimodal copolymer of ethylene and one or more alpha-olefins having from 4 to 10 carbon atoms wherein the multimodal ethylene copolymer has a density of from 937 to 950 kg/m3, a melt index MFR5 of from 0.3 to 3.0 g/10 min, a melt index MFR2 of from 0.1 to 2.0 g/10 min and a shear thinning index SHI2.7/210 of from 2 to 30.
    Type: Application
    Filed: May 25, 2009
    Publication date: July 7, 2011
    Applicant: BOREALIS AG
    Inventors: Mats Backman, Carl-Gustaf Ek, Anneli Pakkanen, Magnus Palmlof, Tarja-Tuulikki Turpeinen, John Severn