Patents by Inventor Daniel Libert

Daniel Libert 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).

  • Publication number: 20220089848
    Abstract: The present invention relates to an oxygen-scavenging composition comprising: at least 1.0% by weight of polybutadiene based on the total weight of the composition, wherein said polybutadiene has a number average molecular weight Mn of from 1000 to 10000 g/mol as determined by gel permeation chromatography (GPC) as described in the specification under the Determination methods; and a polypropylene component. The present invention also relates to the use of an oxygen-scavenging composition according to the invention for the manufacture of an article.
    Type: Application
    Filed: December 20, 2019
    Publication date: March 24, 2022
    Inventors: Daniel Libert, Steven Henning, Alain Standaert, Alexandre Welle, Chantal Goreux, Pascal Navez
  • Publication number: 20210179830
    Abstract: The present invention relates to a polymer composition comprising: a polypropylene; a first polyethylene (A) having a melt flow rate MI2 inferior to 0.2 g/10 min as determined according to ISO 1133, condition D, at 190° C. and under a load of 2.16 kg; at least one ethylene vinyl acetate copolymer; and optionally a second polyethylene (B) having a melt flow rate MI2 of at least 0.2 g/10 min as determined according to ISO 1133, condition D, at 190° C. and under a load of 2.16 kg; wherein the flow rate ratio of the melt flow rate of the polypropylene, determined according to ISO 1133, condition M at 230° C. and under a load of 2.16 kg, to the melt flow rate MI2 of the first polyethylene (A) is at least 200. The present invention also relates to an article comprising a polymer composition according to the invention and further relates to a process for making said article.
    Type: Application
    Filed: October 27, 2018
    Publication date: June 17, 2021
    Inventors: Alain Standaert, Isabelle Ydens, Gabriela Quevedo Silvetti, Daniel Libert
  • Publication number: 20210179828
    Abstract: The present invention relates to a polymer composition comprising: at least 31.0% by weight of a polypropylene (PP1) based on the total weight of the polymer composition; a first polyethylene (A) having a melt flow rate MI2 of at least 2.0 g/10 min as determined according to ISO 1133, condition D, at 190° C. and under a load of 2.16 kg and a density of at least 0.940 g/cm3 as determined according to ISO 1183-2:2005 at a temperature of 23° C.; a second polyethylene (B) having a melt flow rate MI2 inferior to 2.0 g/10 min as determined according to ISO 1133, condition D, at 190° C. and under a load of 2.16 kg; and optionally an ethylene vinyl acetate copolymer. The present invention also relates to an article comprising a polymer composition according to the invention and further relates to a process for making said article.
    Type: Application
    Filed: October 27, 2018
    Publication date: June 17, 2021
    Inventors: Alain Standaert, Daniel Libert, Katty Den Dauw
  • Publication number: 20200339795
    Abstract: The present invention relates to a polymer composition comprising: a first polypropylene (A); at least one ethylene vinyl acetate copolymer; wherein said first polypropylene (A) is a recycled polypropylene comprising at most 25.0 % by weight of polyethylene based on the total weight of polypropylene (A). The present invention also relates to an article comprising a polymer composition according to the invention and further relates to a process for making said article.
    Type: Application
    Filed: October 27, 2018
    Publication date: October 29, 2020
    Inventors: Alain Standaert, Isabelle Ydens, Gabriela Quevedo Silvetti, Daniel Libert, Katty Den Dauw
  • Publication number: 20120148775
    Abstract: A polyethylene composition is disclosed having an unpigmented density of at least 946 kg/m3 and a melt index MI5 of 0.05 to 2 g/10 min, and comprising from 48 to 49.5% by weight based on the total weight of the composition of an ethylene polymer fraction (A) having a density of at least 969 kg/m3, and from 50.5 to 52% by weight with based on the total weight of the composition of a copolymer fraction (B) of ethylene and 1-hexene having a melt index MI5 of 0.001 to 0.5 g/10 min and a density of no more than 930 kg/m3.
    Type: Application
    Filed: February 21, 2012
    Publication date: June 14, 2012
    Applicant: Ineos manufacturing Belgium NV
    Inventors: Pascale Godon, Daniel Libert
  • Publication number: 20090286029
    Abstract: A polyethylene composition is disclosed having an unpigmented density of at least 946 kg/m3 and a melt index MI5 of 0.05 to 2 g/10 min, and comprising from 48 to 49.5% by weight based on the total weight of the composition of an ethylene polymer fraction (A) having a density of at least 969 kg/m3, and from 50.5 to 52% by weight with based on the total weight of the composition of a copolymer fraction (B) of ethylene and 1-hexene having a melt index MI5 of 0.001 to 0.5 g/10 min and a density of no more than 930 kg/m3.
    Type: Application
    Filed: July 3, 2007
    Publication date: November 19, 2009
    Applicant: Ineos Manufacturing Belgium NV
    Inventors: Pascale Godon, Daniel Libert
  • Patent number: 6121376
    Abstract: Compositions comprising a mixture of propylene polymers consisting of from 15 to 85% by weight of a propylene polymer (A) whose isotactic index is at least 0.95 and from 85 to 15% by weight of a block copolymer (B) having a fraction soluble in n-decane, measured at 23.degree. C., of greater than 13% by weight.
    Type: Grant
    Filed: May 12, 1998
    Date of Patent: September 19, 2000
    Assignee: Solvay (Societe Anonyme)
    Inventors: Raymond Mikielski, Daniel Libert
  • Patent number: 5948846
    Abstract: A composition which is polyolefin-based includes polyolefin; from 0.1 to 5 parts by weight of lubricating agent per 100 parts by weight of the polyolefin; and from 0.05 to 2 parts by weight of zeolite per 100 parts by weight of the polyolefin, which zeolite is a crystalline aluminosilicate having a water adsorptivity not exceeding 10% of its weight, at 25.degree. C. and at a water vapor partial pressure of 4.6 torr, and having an Si/Al molar ratio in the crystal lattice of at least 35.
    Type: Grant
    Filed: December 20, 1996
    Date of Patent: September 7, 1999
    Assignee: Solvay (Societe Anonyme)
    Inventors: Daniel Libert, Alain Wyart