Patents by Inventor Daiane Schilling de Vargas

Daiane Schilling de Vargas 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).

  • POLYETHYLENE-BASED COMPOSITION AND BIAXIALLY ORIENTED POLYETHYLENE-BASED ARTICLES
    Publication number: 20230092207
    Abstract: A polyethylene-based composition may include an ethylene-based copolymer produced from ethylene and one or more C3-C10 alpha olefin comonomers, wherein the ethylene-based copolymer has: a density ranging from 945 kg/m3 to 961 kg/m3 according to ASTM D792, a melt flow rate (MFR2) ranging from 0.5 g/10 min to 3.0 g/10 min according to ASTM D1238 at 190° C./2.16 kg, a molecular weight distribution (Mw/Mn) ranging from 3 to 25, and a stress exponent (SEx) ranging from 1.0 to 1.8.
    Type: Application
    Filed: September 9, 2022
    Publication date: March 23, 2023
    Applicant: Braskem S.A.
    Inventors: Daiane Schilling de Vargas, Carlos Augusto Maia Faria, Francisco Carlos Ruiz, Mariele Kaipers Stocker, Adilton Lopes da Silva, Marcelo Jorge Aguiar Martins, Manoela Ellwanger Cangussu
  • Ethylene alpha-olefin copolymers with multimodal comonomer distributions and processes for obtaining the same
    Patent number: 10774205
    Abstract: A polymer composition may include a plurality of ethylene-based polymers forming a multimodal composition distribution, each having a distinct crystallization peak in a CEF curve. A process of making a polymer composition may include melt blending a plurality of polyethylenes with different microstructural characteristics in the molten state. Another process of making a polymer composition may include polymerizing ethylene and an optional alpha olefin in combination with a plurality of metallocene catalysts in a polymerization reactor to form a plurality of ethylene based polymers. Yet another process of making a polymer composition may include polymerizing ethylene and an optional alpha olefin in combination with a multimetal catalyst in a polymerization process to form a plurality of ethylene based polymers.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: September 15, 2020
    Assignee: Braskem S.A.
    Inventors: Marcia Silva Lacerda Miranda, Daiane Schilling de Vargas, Adriane Gomes Simanke, Rodrigo Brambilla, Arthur Alaim Bernardes
  • ETHYLENE ALPHA-OLEFIN COPOLYMERS WITH MULTIMODAL COMONOMER DISTRIBUTIONS AND PROCESSES FOR OBTAINING THE SAME
    Publication number: 20190002676
    Abstract: A polymer composition may include a plurality of ethylene-based polymers forming a multimodal composition distribution, each having a distinct crystallization peak in a CEF curve. A process of making a polymer composition may include melt blending a plurality of polyethylenes with different microstructural characteristics in the molten state. Another process of making a polymer composition may include polymerizing ethylene and an optional alpha olefin in combination with a plurality of metallocene catalysts in a polymerization reactor to form a plurality of ethylene based polymers. Yet another process of making a polymer composition may include polymerizing ethylene and an optional alpha olefin in combination with a multimetal catalyst in a polymerization process to form a plurality of ethylene based polymers.
    Type: Application
    Filed: July 2, 2018
    Publication date: January 3, 2019
    Applicant: Braskem S.A.
    Inventors: Marcia Silva Lacerda Miranda, Daiane Schilling de Vargas, Adriane Gomes Simanke, Rodrigo Brambilla, Arthur Alaim Bernardes