Patents by Inventor Philippe Hajji

Philippe Hajji 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: 10851231
    Abstract: The present invention relates to a polymeric processing aid its composition and its process of preparation and its use. In particular, the present invention relates to a polymeric processing aid and its use for filled halogen containing thermoplastic polymers. More particularly, the present invention relates to a filled halogenated containing polymer composition with a polymeric processing aid, its composition and its process of preparation.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: December 1, 2020
    Assignee: Arkema France
    Inventors: Philippe Hajji, Rosangela Pirri, Alexandre Vermogen, Alain Wilhelm
  • Patent number: 10815344
    Abstract: The present invention relates to a composition comprising a fibrous material, a multistage polymer and a (meth)acrylic polymer. The composition can be in form of a prepreg, a preform or a laminate. The present invention further relates to a method for making a composition comprising a fibrous material, a multistage polymer and a (meth)acrylic polymer and its use in making composite articles. The present invention also relates to a process for preparing a composition comprising a fibrous material, a multistage polymer and a (meth)acrylic polymer and its use for producing fibre reinforced impact modified composites.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: October 27, 2020
    Assignee: Arkema France
    Inventors: Pierre Escale, Raber Inoubli, Pierre Gerard, Philippe Hajji
  • Patent number: 10815370
    Abstract: The present invention relates to a liquid (meth) acrylic composition comprising a (meth) acrylic monomer, a (meth) acrylic polymer and a multistage polymer. In particular the present invention it relates to liquid composition comprising a (meth) acrylic monomer, a (meth) acrylic polymer and a multistage polymer that can be used as a syrup and especially as a syrup for impregnation. More particularly the present invention relates also to a process for preparing a liquid composition comprising a (meth) acrylic monomer, a (meth) acrylic polymer and a multistage polymer.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: October 27, 2020
    Assignee: Arkema France
    Inventors: Raber Inoubli, Philippe Hajji, Rosangela Pirri, Pierre Gerard
  • Patent number: 10723873
    Abstract: The present invention relates to a multistage polymer in form of polymeric particles, its composition and its process of preparation. In particular the present invention it relates to a multistage polymer in form of polymeric particles made by a multistage process while the last stage comprises a polymer with a low molecular weight. More particularly the present invention relates to polymer composition in form of polymeric particles made by a multistage process comprising at least three stages while the last stage comprises a polymer with a low molecular weight, its method of preparation, its use as impact modifier in polymer compositions for composites comprising thermosetting resins or thermoplastic polymers and compositions and articles comprising it.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: July 28, 2020
    Assignee: Arkema France
    Inventors: Raber Inoubli, Philippe Hajji
  • Publication number: 20200216717
    Abstract: The present invention relates to a composition suitable as (meth)acrylic adhesive composition comprising a multistage polymer in form of polymeric particles and a (meth)acrylic polymer, its process of preparation, and its use. In particular the present invention relates to a structural (meth)acrylic adhesive composition comprising a multistage polymer in form of polymeric particles made by a multistage process and a (meth)acrylic polymer, its process of preparation and its use. More particularly the present invention relates to structural (meth)acrylic adhesive composition made from a two part composition comprising a multistage polymer in form of polymeric particles made by a multistage process and a (meth)acrylic polymer, its process of preparation, and its use.
    Type: Application
    Filed: July 12, 2018
    Publication date: July 9, 2020
    Inventors: Philippe HAJJI, Rosangela PIRRI, Rabi INOUBLI, Guillaume MICHAUD
  • Patent number: 10703866
    Abstract: The present invention relates to halogenated containing polymer composition with a modifier that is a polymeric processing aid in form a non dusty polymer powder made by a multistage process while the last stage uses ethyl acrylate as major monomer.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: July 7, 2020
    Assignee: Arkema France
    Inventors: Rosangela Pirri, Christiaan A. Schipper, Philippe Hajji
  • Publication number: 20200172773
    Abstract: The present invention relates to a composition suitable as epoxy adhesive composition comprising a multistage polymer in form of polymeric particles and a (meth)acrylic polymer its process of preparation and its use. In particular the present invention relates to a structural epoxy adhesive composition comprising a multistage polymer in form of polymeric particles made by a multistage process and a (meth)acrylic polymer its process of preparation and its use. More particularly the present invention relates to structural (epoxy adhesive composition made from a two part composition or a one part composition comprising a multistage polymer in form of polymeric particles made by a multistage process and a (meth)acrylic polymer its process of preparation and its use.
    Type: Application
    Filed: July 12, 2018
    Publication date: June 4, 2020
    Inventors: Philippe HAJJI, Rosangela PIRRI, Rabi INOUBLI
  • Publication number: 20200172649
    Abstract: The present invention relates to a composition comprising a multistage polymer and a (meth)acrylic polymer, its process of preparation, and its use. In particular, the present invention relates to a composition comprising a multistage polymer in form of polymeric particles made by a multistage process and a (meth)acrylic polymer, while the (meth)acrylic polymer possesses a medium molecular weight. The present invention also relates to polymer composition comprising polymeric particles made by a multistage process comprising at least two stages and a (meth)acrylic polymer with a medium molecular weight, its method of preparation, its use as impact modifier in polymer compositions for composites comprising thermosetting resins or thermoplastic polymers and compositions and articles comprising it.
    Type: Application
    Filed: July 12, 2018
    Publication date: June 4, 2020
    Inventors: Philippe HAJJI, Rosangela PIRRI, Rabi INOUBLI, Aline O. COUFFIN
  • Patent number: 10597499
    Abstract: The present invention relates to a polymer composition comprising an epoxy resin and a multistage polymer. In particular the present invention it relates to polymer composition comprising an epoxy resin and a multistage polymer that can be used as a masterbatch. More particularly the present invention relates also to a process for preparing a polymer composition comprising an epoxy resin and a multistage polymer by spray drying or coagulation.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: March 24, 2020
    Assignee: Arkema France
    Inventors: Raber Inoubli, Rosangela Pirri, Philippe Hajji
  • Patent number: 10513603
    Abstract: The present invention relates to a polymer composition comprising a (meth)acrylic polymer and a multistage polymer. In particular the present invention it relates to polymer composition comprising a (meth)acrylic polymer and a multistage polymer that can be used as a masterbatch. More particularly the present invention relates also to a process for preparing a polymer composition comprising a (meth)acrylic polymer and a multistage polymer by spray drying or coagulation.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: December 24, 2019
    Assignee: Arkema France
    Inventors: Raber Inoubli, Philippe Hajji, Rosangela Pirri
  • Publication number: 20190352496
    Abstract: The present invention relates to a composition comprising a combination of a polymeric processing aid and an impact modifier or polymeric processing aid, its exact composition and its process of preparation and use. In particular, the present invention relates to a composition comprising a combination of a polymeric processing aid and an impact modifier or a polymeric processing aid; and its use for filled impact modified halogen containing thermoplastic polymers. More particularly, the present invention relates to a filled halogenated containing polymer composition with a polymeric processing aid and an impact modifier, its composition and its process of preparation.
    Type: Application
    Filed: January 11, 2018
    Publication date: November 21, 2019
    Inventors: Alexandre VERMOGEN, Rosangela PIRRI, Philippe HAJJI
  • Patent number: 10435518
    Abstract: The present invention relates to a non dusty polymer powder composed of aggregated latex particles prepared by a multistage preparation process.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: October 8, 2019
    Assignee: Arkema France
    Inventors: Rosangela Pirri, Philippe Hajji, Christiaan A. Schipper
  • Patent number: 10392491
    Abstract: The present invention relates to a halogenated polymer composite composition that encapsulates a mineral filler. In particular the present invention relates to a polymer composite composition comprising at least one halogen containing polymer and at least one mineral filler, characterized that the halogen containing polymer and the mineral filler are both in form of a dispersion in aqueous phase during the mixing of the halogen containing polymer and the mineral filler. More particularly the present invention relates to a manufacturing method for a polymer composite composition comprising the steps of mixing of at least one halogen containing polymer with at least one mineral filler and drying the mixture of previous step wherein the halogen containing polymer and the mineral filler in step are in form of a dispersion in aqueous phase.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: August 27, 2019
    Assignee: Arkema France
    Inventors: Rosangela Pirri, Philippe Hajji
  • Publication number: 20190248968
    Abstract: The present invention relates to a composition comprising a fibrous material, a multistage polymer and a (meth)acrylic polymer. The composition can be in form of a prepreg, a preform or a laminate. The present invention further relates to a method for making a composition comprising a fibrous material, a multistage polymer and a (meth)acrylic polymer and its use in making composite articles. The present invention also relates to a process for preparing a composition comprising a fibrous material, a multistage polymer and a (meth)acrylic polymer and its use for producing fibre reinforced impact modified composites.
    Type: Application
    Filed: June 23, 2017
    Publication date: August 15, 2019
    Inventors: Pierre ESCALE, Raber INOUBLI, Pierre GERARD, Philippe HAJJI
  • Publication number: 20190233603
    Abstract: The present invention relates to a liquid composition comprising a monomer, a (meth)acrylic polymer and a multistage polymer. In particular the present invention it relates to a liquid composition comprising a monomer, a (meth)acrylic polymer and a multistage polymer that can be used as a syrup and especially as a syrup for impregnation and for the preparation of for reinforcing the impact strength of a thermoplastic material obtained after polymerization of the syrup. The invention also relates to a process for manufacturing such a syrup. The invention also relates to a process for impregnating a fibrous substrate of long fibers with said viscous liquid syrup. The invention also relates to a fibrous substrate preimpregnated with said syrup which is useful for manufacturing composite parts. More particularly the present invention relates also to a process for preparing a liquid composition comprising a (meth)acrylic monomer, a (meth)acrylic polymer and a multistage polymer.
    Type: Application
    Filed: June 29, 2017
    Publication date: August 1, 2019
    Inventors: Pierre Escale, Pierre GERARD, Aline COUFFIN, Raber INOUBLI, Philippe HAJJI
  • Publication number: 20190233635
    Abstract: The present invention relates to a multistage polymer in form of polymeric particles, its composition and its process of preparation. In particular the present invention it relates to a multistage polymer in form of polymeric particles made by a multistage process while the last stage comprises a polymer with a low molecular weight. More particularly the present invention relates to polymer composition in form of polymeric particles made by a multistage process comprising at least three stages while the last stage comprises a polymer with a low molecular weight, its method of preparation, its use as impact modifier in polymer compositions for composites comprising thermosetting resins or thermoplastic polymers and compositions and articles comprising it.
    Type: Application
    Filed: April 12, 2019
    Publication date: August 1, 2019
    Inventors: Raber Inoubli, Philippe HAJJI
  • Publication number: 20190203004
    Abstract: The present invention relates to a composite preform comprising a multistage polymer. The present invention further relates to a method for making a composite preform comprising a fibrous material and a multistage polymer and its use in making composite articles. The present invention also relates to a process for preparing a composite preform comprising a fibrous material and a multistage polymer and its use for producing fibre reinforced impact modified composites.
    Type: Application
    Filed: June 23, 2017
    Publication date: July 4, 2019
    Inventors: Pierre GERARD, Pierre ESCALE, Raber INOUBLI, Philippe HAJJI
  • Publication number: 20190177524
    Abstract: The present invention relates to a polymeric composition comprising an impact modifier and a mineral tiller and its process of preparation and its use, in particular, the present invention relates to a polymeric composition comprising an impact modifier and a mineral filler and its use for thermoplastic polymers. More particularly the present invention relates to the process of preparation of polymeric composition comprising an impact modifier and a mineral filler and its use for the impact modification of thermoplastic polymers.
    Type: Application
    Filed: June 7, 2017
    Publication date: June 13, 2019
    Inventors: Philippe HAJJI, Rosangela PIRRI, Alexandre VERMOGEN
  • Patent number: 10301464
    Abstract: The present invention relates to a multistage polymer in form of polymeric particles, its composition and its process of preparation. The invention also relates to a multistage polymer in form of polymeric particles made by a multistage process while the last stage comprises a polymer with a low molecular weight. The invention further relates to polymer compositions in form of polymeric particles made by a multistage process comprising at least three stages while the last stage comprises a polymer with a low molecular weight, its method of preparation, its use as impact modifier in polymer compositions for composites comprising thermosetting resins or thermoplastic polymers and compositions and articles comprising it.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: May 28, 2019
    Assignee: Arkema France
    Inventors: Raber Inoubli, Philippe Hajji
  • Publication number: 20190031875
    Abstract: The present invention relates to a liquid (meth) acrylic composition comprising a (meth) acrylic monomer, a (meth) acrylic polymer and a multistage polymer. In particular the present invention it relates to liquid composition comprising a (meth) acrylic monomer, a (meth) acrylic polymer and a multistage polymer that can be used as a syrup and especially as a syrup for impregnation. More particularly the present invention relates also to a process for preparing a liquid composition comprising a (meth) acrylic monomer, a (meth) acrylic polymer and a multistage polymer.
    Type: Application
    Filed: January 11, 2017
    Publication date: January 31, 2019
    Inventors: Raber Inoubli, Philippe HAJJI, Rosangela PIRRI, Pierre GERARD