Patents by Inventor Sylvie Cazaumayou
Sylvie Cazaumayou 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).
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Publication number: 20230030375Abstract: 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: ApplicationFiled: December 17, 2020Publication date: February 2, 2023Applicant: Arkema FranceInventors: Jean-Luc Dubois, Anne-Laure Brocas, Sylvie Cazaumayou
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Patent number: 11453735Abstract: 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: GrantFiled: November 23, 2018Date of Patent: September 27, 2022Assignee: Arkema FranceInventors: Anne-Laure Brocas, Sylvie Cazaumayou, Sylvain Bourrigaud, Guillaume Decrevoisier
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Publication number: 20220275136Abstract: 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: ApplicationFiled: May 19, 2020Publication date: September 1, 2022Applicants: Arkema France, Centre National De La Recherche Scientifique - CNRS, UNIVERSITE DE PAU ET DES PAYS DE L'ADOURInventors: Sylvain Bourrigaud, Anne-Laure Brocas, Sylvie Cazaumayou, Laura Garcia Andujar, Maud Save, Christophe Derail, Laurent Rubatat
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Publication number: 20220056179Abstract: The present invention relates to a composition comprising cyanoacrylate monomers and at least one block copolymer and which can be polymerized.Type: ApplicationFiled: December 19, 2019Publication date: February 24, 2022Applicant: Arkema FranceInventors: Sylvain Bourrigaud, Anne-Laure Brocas, Arnau Pejoan Jimenez, Sylvie Cazaumayou
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Publication number: 20210395414Abstract: 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: ApplicationFiled: November 8, 2019Publication date: December 23, 2021Applicant: Arkema FranceInventors: Anne-Laure Brocas, Sylvain Bourrigaud, Sylvie Cazaumayou
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Publication number: 20210139415Abstract: 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: ApplicationFiled: April 17, 2019Publication date: May 13, 2021Applicant: Arkema FranceInventors: Anne-Laure Brocas, Sylvain Bourrigaud, Sylvie Cazaumayou, Ilias Iliopoulos
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Publication number: 20200392325Abstract: The present invention relates to a (meth)acrylic polymer composition. In particular the present invention it relates to polymeric composition suitable for security glazing. The invention also relates to a process for manufacturing such a polymeric composition suitable for security glazing. More particularly the present invention relates to a bullet resistant (meth)acrylic polymer composition and relates also to a process for preparing such a bullet resistant (meth)acrylic polymer composition and its use in glazing.Type: ApplicationFiled: December 18, 2018Publication date: December 17, 2020Inventors: Jean-Marc BOUTILLIER, Veronique L. CARRERE, Stephanie PERY, Sylvie CAZAUMAYOU, Sylvain BOURRIGAUD
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Publication number: 20200369808Abstract: 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: ApplicationFiled: November 23, 2018Publication date: November 26, 2020Applicant: Arkema FranceInventors: Anne-Laure Brocas, Sylvie Cazaumayou, Sylvain Bourrigaud, Guillaume Decrevoisier
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Publication number: 20200317844Abstract: The present invention relates to an impact resistant (meth) acrylic polymer composition. In particular the present invention it relates to impact resistant polymeric composition suitable for glazing or lightning applications. The invention also relates to a process for manufacturing such a polymeric composition suitable for glazing or lightning applications. More particularly the present invention relates to an impact resistant (meth) acrylic polymer composition and relates also to a process for preparing such impact resistant (meth) acrylic polymer composition and its use in glazing or lightning applications.Type: ApplicationFiled: December 18, 2018Publication date: October 8, 2020Inventors: Jean-Marc BOUTILLIER, Stephanie PERY, Sylvie CAZAUMAYOU, Sylvain BOURRIGAUD
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Patent number: 10563000Abstract: The present invention relates to a process for the radical polymerization of alkoxyamines at low temperature, typically at temperatures as low as ?50° C., in the presence of a nitroxide reducing agent or photoinitiator.Type: GrantFiled: October 15, 2018Date of Patent: February 18, 2020Assignee: Arkema FranceInventors: Sylvain Bourrigaud, Sylvie Cazaumayou, Pierre Escale, Raber Inoubli
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Publication number: 20190048118Abstract: The present invention relates to a process for the radical polymerization of alkoxyamines at low temperature, typically at temperatures as low as ?50° C., in the presence of a nitroxide reducing agent or photoinitiator.Type: ApplicationFiled: October 15, 2018Publication date: February 14, 2019Applicant: Arkema FranceInventors: Sylvain Bourrigaud, Sylvie Cazaumayou, Pierre Escale, Raber Inoubli
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Patent number: 10131734Abstract: The present invention relates to a process for the radical polymerization of alkoxyamines at low temperature, typically at temperatures as low as ?50° C., in the presence of a nitroxide reducing agent.Type: GrantFiled: December 18, 2015Date of Patent: November 20, 2018Assignee: Arkema FranceInventors: Sylvain Bourrigaud, Sylvie Cazaumayou, Raber Inoubli
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Patent number: 10131735Abstract: The present invention relates to a process for the radical polymerization of alkoxyamines at low temperature, typically at temperatures as low as ?50° C., in the presence of a photoinitiator.Type: GrantFiled: December 18, 2015Date of Patent: November 20, 2018Assignee: Arkema FranceInventors: Sylvain Bourrigaud, Sylvie Cazaumayou, Pierre Escale, Raber Inoubli
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Publication number: 20180002472Abstract: The present invention relates to a process for the radical polymerization of alkoxyamines at low temperature, typically at temperatures as low as ?50° C., in the presence of a photoinitiator.Type: ApplicationFiled: December 18, 2015Publication date: January 4, 2018Applicant: ARKEMA FRANCEInventors: Sylvain BOURRIGAUD, Sylvie CAZAUMAYOU, Pierre ESCALE, Raber INOUBLI
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Publication number: 20170362369Abstract: Low-temperature radical polymerisation of alkoxyamines The present invention relates to a process for the radical polymerization of alkoxyamines at low temperature, typically at temperatures as low as ?50° C., in the presence of a nitroxide reducing agent.Type: ApplicationFiled: December 18, 2015Publication date: December 21, 2017Applicant: ARKEMA FRANCEInventors: Sylvain BOURRIGAUD, Sylvie CAZAUMAYOU, Raber INOUBLI
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Patent number: 9296854Abstract: Transparent and impact-resistant crosslinked acrylic composition consisting of a brittle matrix (I) having a glass transition temperature of greater than 0° C. and of elastomeric domains having a characteristic dimension of less than 100 nm consisting of macromolecular sequences (II) having a flexible nature with a glass transition temperature of less than 0° C.Type: GrantFiled: December 22, 2011Date of Patent: March 29, 2016Assignee: Arkema FranceInventors: Sylvain Bourrigaud, Sylvie Cazaumayou, Stephanie Pery
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Publication number: 20150038650Abstract: Transparent and impact-resistant crosslinked acrylic composition consisting of a brittle matrix (I) having a glass transition temperature of greater than 0° C. and of elastomeric domains having a characteristic dimension of less than 100 nm consisting of macromolecular sequences (II) having a flexible nature with a glass transition temperature of less than 0° C.Type: ApplicationFiled: December 22, 2011Publication date: February 5, 2015Applicant: Arkema FranceInventors: Sylvain Bourrigaud, Sylvie Cazaumayou, Stephanie Pery
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Publication number: 20110129636Abstract: The invention relates to a block copolymer comprising: at least one soft block A with a Tg of between ?55° C. and 0° C. and preferably between ?40° C. and ?1° C., and at least one block B comprising at least one photoactive monomer bearing a photoisomerizable chromophore. The photoactive monomer has the formula (I): in which: X denotes H or CH3—; G denotes —O—C(?O)—, —C(?O)—O—, a substituted or unsubstituted phenyl group, or —NR—C(?O)—, NR being linked to L and R being H or a C1-C10 alkyl group; L denotes a spacer group; CR denotes a photoisomerizable chromophore. The block copolymer makes it possible to obtain a 3D optical memory. The invention also relates to this 3D optical memory.Type: ApplicationFiled: May 15, 2009Publication date: June 2, 2011Applicant: Arkema FranceInventors: Christophe Le Crom, Sylvain Bourrigaud, Sylvie Cazaumayou
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Publication number: 20090176924Abstract: The present invention relates to pulverulent compositions based on carbon nanotubes which exhibit an excellent dispersibility in polymer materials and can advantageously be used as reinforcing agents and/or modifiers of conducting and/or thermal properties; they can be easily incorporated in polymer matrices in the masterblend form.Type: ApplicationFiled: November 29, 2006Publication date: July 9, 2009Applicant: Arkema FranceInventors: Serge Bordere, Sylvain Bourrigaud, Sylvie Cazaumayou, Laurence Couvreur, Nour Eddine El Bounia, Nicolas Passade-Boupat, Patrick M. Piccione