Patents by Inventor Anne-Laure Brocas

Anne-Laure Brocas 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).

  • USE OF MULTIBLOCK COPOLYMERS AS SACRIFICIAL MATERIAL IN A 3D PRINTING PROCESS
    Publication number: 20240287236
    Abstract: The present invention relates to the use of multiblock copolymer compositions as sacrificial materials for 3D fused deposition modeling.
    Type: Application
    Filed: June 15, 2022
    Publication date: August 29, 2024
    Applicant: Arkema France
    Inventors: Anne-Laure Brocas, Sylvie Cazaumayou
  • Water-soluble copolymer composition
    Patent number: 12065525
    Abstract: The present invention relates to the field of water-soluble or water-dispersible copolymers comprising at least one random copolymer comprising styrene, methacrylic acid, acrylic acid and butyl acrylate.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: August 20, 2024
    Assignee: Arkema France
    Inventors: Anne-Laure Brocas, Sylvain Bourrigaud, Sylvie Cazaumayou
  • SUSPENSION POLYMERIZATION OF ALKOXYAMINES WITH STYRENIC AND (METH)ACRYLIC MONOMERS
    Publication number: 20240043599
    Abstract: The present invention relates to a process for the suspension polymerization of alkoxyamines with styrenic and (meth)acrylic monomers, to the beads and compositions thus obtained, and also to the use of these beads and compositions.
    Type: Application
    Filed: December 9, 2021
    Publication date: February 8, 2024
    Applicant: Arkema France
    Inventors: Anne-Laure Brocas, Sylvain Bourrigaud, Céline Labarthe, Patrick Saury
  • Oligomeric alkoxy amines
    Patent number: 11814336
    Abstract: A new class of alkoxyamines, exhibiting improved stability on storage, especially in the presence of monomers and/or of solvent is described, particularly where the alkoxylamines are a new class of oligomeric alkoxyamines, which are obtained by addition of one or more monomeric entities to an alkoxyamine.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: November 14, 2023
    Assignee: Arkema France
    Inventors: Anne-Laure Brocas, Sylvain Bourrigaud, Sylvie Cazaumayou, Ilias Iliopoulos
  • USE OF PROTEINS IN 3D PRINTING
    Publication number: 20230030375
    Abstract: The present invention relates to the use of natural polymers of the family of the proteins not exhibiting enzymatic activity as sacrificial materials of 3D fused deposition modeling.
    Type: Application
    Filed: December 17, 2020
    Publication date: February 2, 2023
    Applicant: Arkema France
    Inventors: Jean-Luc Dubois, Anne-Laure Brocas, Sylvie Cazaumayou
  • Water-soluble copolymer composition with neutral pH
    Patent number: 11453735
    Abstract: The present invention relates to the field of copolymers which are water-soluble or water-dispersible at neutral pH or near-neutral pH, that is to say between 5.5 and 9.5, comprising at least one random copolymer comprising methacrylic acid, butyl acrylate, styrene and a monomer chosen from styrenesulfonic acid or salts thereof, vinylbenzoic acid or salts thereof, 2-acrylamido-2-methanesulfonic acid or salts thereof, N-vinylpyrrolidone, alone or in combination.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: September 27, 2022
    Assignee: Arkema France
    Inventors: Anne-Laure Brocas, Sylvie Cazaumayou, Sylvain Bourrigaud, Guillaume Decrevoisier
  • PROCESS FOR POLYMERIZING A COMPOSITION IN THE PRESENCE OF A BLOCK COPOLYMER
    Publication number: 20220275136
    Abstract: The present invention relates to a process for the polymerization of a composition in the presence of at least one block copolymer, and also to the products obtained by this polymerization process. The present invention also relates to the use of the products obtained using the polymerization process which is a subject matter of the invention.
    Type: Application
    Filed: May 19, 2020
    Publication date: September 1, 2022
    Applicants: Arkema France, Centre National De La Recherche Scientifique - CNRS, UNIVERSITE DE PAU ET DES PAYS DE L'ADOUR
    Inventors: Sylvain Bourrigaud, Anne-Laure Brocas, Sylvie Cazaumayou, Laura Garcia Andujar, Maud Save, Christophe Derail, Laurent Rubatat
  • COMPOSITION COMPRISING CYANOACRYLATES AND AT LEAST ONE BLOCK COPOLYMER
    Publication number: 20220056179
    Abstract: The present invention relates to a composition comprising cyanoacrylate monomers and at least one block copolymer and which can be polymerized.
    Type: Application
    Filed: December 19, 2019
    Publication date: February 24, 2022
    Applicant: Arkema France
    Inventors: Sylvain Bourrigaud, Anne-Laure Brocas, Arnau Pejoan Jimenez, Sylvie Cazaumayou
  • WATER-SOLUBLE COPOLYMER COMPOSITION
    Publication number: 20210395414
    Abstract: The present invention relates to the field of water-soluble or water-dispersible copolymers comprising at least one random copolymer comprising styrene, methacrylic acid, acrylic acid and butyl acrylate.
    Type: Application
    Filed: November 8, 2019
    Publication date: December 23, 2021
    Applicant: Arkema France
    Inventors: Anne-Laure Brocas, Sylvain Bourrigaud, Sylvie Cazaumayou
  • OLIGOMERIC ALKOXYAMINES
    Publication number: 20210139415
    Abstract: A new class of alkoxyamines, exhibiting improved stability on storage, especially in the presence of monomers and/or of solvent is described, particularly where the alkoxylamines are a new class of oligomeric alkoxyamines, which are obtained by addition of one or more monomeric entities to an alkoxyamine.
    Type: Application
    Filed: April 17, 2019
    Publication date: May 13, 2021
    Applicant: Arkema France
    Inventors: Anne-Laure Brocas, Sylvain Bourrigaud, Sylvie Cazaumayou, Ilias Iliopoulos
  • WATER-SOLUBLE COPOLYMER COMPOSITION WITH NEUTRAL PH
    Publication number: 20200369808
    Abstract: The present invention relates to the field of copolymers which are water-soluble or water-dispersible at neutral pH or near-neutral pH, that is to say between 5.5 and 9.5, comprising at least one random copolymer comprising methacrylic acid, butyl acrylate, styrene and a monomer chosen from styrenesulfonic acid or salts thereof, vinylbenzoic acid or salts thereof, 2-acrylamido-2-methanesulfonic acid or salts thereof, N-vinylpyrrolidone, alone or in combination.
    Type: Application
    Filed: November 23, 2018
    Publication date: November 26, 2020
    Applicant: Arkema France
    Inventors: Anne-Laure Brocas, Sylvie Cazaumayou, Sylvain Bourrigaud, Guillaume Decrevoisier