Patents by Inventor Piet Roose

Piet Roose 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).

  • Propylene polymers having broad molecular weight distribution
    Patent number: 9145495
    Abstract: Propylene homopolymers or copolymers containing up to 5.0 wt % of alpha-olefin units having from 2 to 8 carbon atoms other than propylene, characterized in that said propylene homopolymers or copolymers have Polydispersity Index value higher than 15, Melt Strength higher than 1.50 cN at 230° C. and Melt Flow Rate (ISO1133, 230° C./2.16 Kg) from 0.01 to 20 g/10 min.
    Type: Grant
    Filed: June 26, 2006
    Date of Patent: September 29, 2015
    Assignee: Basell Poliolefine Italia S.r.l.
    Inventors: Camillo Cagnani, Piet Roose, Cees Besems
  • Process for producing polyolefin molded articles comprising an ethylene-vinyl alcohol copolymer
    Patent number: 8153714
    Abstract: A process for producing polyolefin articles comprising an ethylene-vinyl alcohol copolymer, wherein the polyolefin component is melted and mixed with the ethylene-vinyl alcohol copolymer in the presence of a stabilizing composition comprising: a) one or more acid scavengers in amounts equal to or higher than 300 ppm by weight with respect to the weight of the polyolefin component; and b) one or more phenolic antioxidants in amounts equal to or higher than 1100 ppm by weight with respect to the weight of the polyolefin component.
    Type: Grant
    Filed: November 7, 2006
    Date of Patent: April 10, 2012
    Assignee: Basell Poliolefine Italia S.R.L.
    Inventors: Fiorella Pradella, Piet Roose
  • Process for Producing Polyolefin Molded Articles Comprising an Ethylene-Vinyl Alcohol Copolymer
    Publication number: 20100266797
    Abstract: A process for producing polyolefin articles comprising an ethylene-vinyl alcohol copolymer, wherein the polyolefin component is melted and mixed with the ethylene-vinyl alcohol copolymer in the presence of a stabilizing composition comprising: a) one or more acid scavengers in amounts equal to or higher than 300 ppm by weight with respect to the weight of the polyolefin component; and b) one or more phenolic antioxidants in amounts equal to or higher than 1100 ppm by weight with respect to the weight of the polyolefin component.
    Type: Application
    Filed: November 7, 2006
    Publication date: October 21, 2010
    Applicant: Basell Poliolefine Italia s.r.l.
    Inventors: Fiorella Pradella, Piet Roose
  • Propylene Polymers Having Broad Molecular Weight Distribution
    Publication number: 20090030098
    Abstract: Propylene homopolymers or copolymers containing up to 5.0 wt % of alpha-olefin units having from 2 to 8 carbon atoms other than propylene, characterized in that said propylene homopolymers or copolymers have Polydispersity Index value higher than 15, Melt Strength higher than 1.50 cN at 230° C. and Melt Flow Rate (ISO1133, 230° C./2.16 Kg) from 0.01 to 20 g/10 min.
    Type: Application
    Filed: June 26, 2006
    Publication date: January 29, 2009
    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
    Inventors: Camillo Cagnani, Piet Roose, Cees Besems