Patents by Inventor Suelbi Silva

Suelbi Silva 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).

  • Polish remover formulations
    Patent number: 10655087
    Abstract: The present invention relates to a polish remover formulation. The present invention more specifically focuses on the use of a blend of glycerol ketals and/or acetals in polish remover formulations, notably for promoting the polish removing performances.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: May 19, 2020
    Assignee: RHODIA POLIAMIDA E ESPECIALIDADES S.A.
    Inventors: Fernanda Grigoletto, Sergio Martins, José Roberto Mariussi, Suelbi Silva
  • Solvent system and compositions therewith
    Patent number: 10239116
    Abstract: The present invention relates to a solvent system characterized by the fact that is comprises one or more dioxolane-derived esters of formula I where R1, R2 and R3 are the same or different, selected from hydrogen, alkyl, alkenyl and phenyl, and n is an integer between 1 and 5.
    Type: Grant
    Filed: February 12, 2014
    Date of Patent: March 26, 2019
    Assignee: RHODIA POLIAMIDA E ESPECIALIDADES LTDA
    Inventors: Ronaldo Nascimento, Suelbi Silva
  • POLISH REMOVER FORMULATIONS
    Publication number: 20190078037
    Abstract: The present invention relates to a polish remover formulation. The present invention more specifically focuses on the use of a blend of glycerol ketals and/or acetals in polish remover formulations, notably for promoting the polish removing performances.
    Type: Application
    Filed: January 14, 2016
    Publication date: March 14, 2019
    Inventors: Fernanda GRIGOLETTO, Sergio MARTINS, José Roberto MARIUSSI, Suelbi SILVA
  • SOLVENT SYSTEM AND COMPOSITIONS THEREWITH
    Publication number: 20150361281
    Abstract: The present invention relates to a solvent system characterized by the fact that is comprises one or more dioxolane-derived esters of formula I where R1, R2 and R3 are the same or different, selected from hydrogen, alkyl, alkenyl and phenyl, and n is an integer between 1 and 5.
    Type: Application
    Filed: February 12, 2014
    Publication date: December 17, 2015
    Applicant: RHODIA POLIAMIDA E ESPECIALIDADES LTDA
    Inventors: Ronaldo NASCIMENTO, Suelbi SILVA
  • FOUNDRY BINDER SYSTEMS
    Publication number: 20140018468
    Abstract: The present invention relates to foundry binder systems forming a curable polyurethane with a catalytically effective amount of a curing catalyst, comprising at least one phenolic resin component comprising at least: a phenolic resin and a solvent of triacetin type and a polyisocyanate component. The invention also relates to foundry mixtures prepared from the binder and an aggregate, to foundry forms such as cores and molds prepared via the no-bake or cold-box processes, and also to the respective processes. The foundry forms obtained by the present invention are especially used for manufacturing metallic components, especially for the casting of metallic components.
    Type: Application
    Filed: March 20, 2012
    Publication date: January 16, 2014
    Applicant: RHODIA POLIAMIDA E ESPECIALIDADES LTDA
    Inventors: Cristina Maria Schuch, Denilson José Vicentim, Luciane Sereda, Suelbi Silva