Patents by Inventor Anne BERSON

Anne BERSON 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).

  • Radical polymerisation of ethylene initiated by a couple of organic peroxides with high productivity
    Patent number: 10189921
    Abstract: The invention relates to a process for manufacturing polyethylene or an ethylene copolymer, comprising a step of radical polymerization or copolymerization of ethylene in the presence: of a first peroxide polymerization initiator chosen from the diperketal peroxide compounds of formula: in which the R1, R2, R3, R6, R7 and R8 groups consist of substituted or unsubstituted, linear, branched or cyclic C1-C10 alkyl groups, of a second initiator, other than said first initiator, also consisting of a diperketal peroxide of formula (I).
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: January 29, 2019
    Assignee: ARKEMA FRANCE
    Inventors: Bruno Van Hemelryck, Serge Hub, Christian Laurichesse, Anne Berson
  • RADICAL POLYMERISATION OF ETHYLENE INITIATED BY A COUPLE OF ORGANIC PEROXIDES WITH HIGH PRODUCTIVITY
    Publication number: 20180273660
    Abstract: The invention relates to a process for manufacturing polyethylene or an ethylene copolymer, comprising a step of radical polymerization or copolymerization of ethylene in the presence: of a first peroxide polymerization initiator chosen from the diperketal peroxide compounds of formula: in which the R1, R2, R3, R6, R7 and R8 groups consist of substituted or unsubstituted, linear, branched or cyclic C1-C10 alkyl groups, of a second initiator, other than said first initiator, also consisting of a diperketal peroxide of formula (I).
    Type: Application
    Filed: September 29, 2016
    Publication date: September 27, 2018
    Inventors: Bruno VAN HEMELRYCK, Serge HUB, Christian LAURICHESSE, Anne BERSON