Patents by Inventor Gabriela Quevedo Silvetti

Gabriela Quevedo Silvetti 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).

  • Publication number: 20220315749
    Abstract: The present invention is related to a process for the production of a vinyl aromatic (co)polymer comprising the steps of: a) mixing a fraction (A) comprising one or more monomers selected from the group consisting of styrene, alpha-methyl styrene, acrylonitrile, methyl (meth)acrylate, (meth)acrylic acid and butadiene with a fraction (B) comprising post-consumer recycled vinyl aromatic (co)polymer, wherein the weight ratio of fraction (B) to fraction (A) is comprised between 0.01/1 and 1/1, preferably between 0.05/1 and 0.
    Type: Application
    Filed: August 12, 2020
    Publication date: October 6, 2022
    Inventors: Jean-Claude Deleye, Magali Vachaudez, Armelle Sigwald, Elodie Perche, Gabriela Quevedo Silvetti
  • Publication number: 20210179830
    Abstract: The present invention relates to a polymer composition comprising: a polypropylene; a first polyethylene (A) having a melt flow rate MI2 inferior to 0.2 g/10 min as determined according to ISO 1133, condition D, at 190° C. and under a load of 2.16 kg; at least one ethylene vinyl acetate copolymer; and optionally a second polyethylene (B) having a melt flow rate MI2 of at least 0.2 g/10 min as determined according to ISO 1133, condition D, at 190° C. and under a load of 2.16 kg; wherein the flow rate ratio of the melt flow rate of the polypropylene, determined according to ISO 1133, condition M at 230° C. and under a load of 2.16 kg, to the melt flow rate MI2 of the first polyethylene (A) is at least 200. The present invention also relates to an article comprising a polymer composition according to the invention and further relates to a process for making said article.
    Type: Application
    Filed: October 27, 2018
    Publication date: June 17, 2021
    Inventors: Alain Standaert, Isabelle Ydens, Gabriela Quevedo Silvetti, Daniel Libert
  • Publication number: 20200339795
    Abstract: The present invention relates to a polymer composition comprising: a first polypropylene (A); at least one ethylene vinyl acetate copolymer; wherein said first polypropylene (A) is a recycled polypropylene comprising at most 25.0 % by weight of polyethylene based on the total weight of polypropylene (A). The present invention also relates to an article comprising a polymer composition according to the invention and further relates to a process for making said article.
    Type: Application
    Filed: October 27, 2018
    Publication date: October 29, 2020
    Inventors: Alain Standaert, Isabelle Ydens, Gabriela Quevedo Silvetti, Daniel Libert, Katty Den Dauw