Patents by Inventor Arnaldo Ferreira Filho

Arnaldo Ferreira Filho 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).

  • Process for the production of cardanol
    Patent number: 7825284
    Abstract: A process for the production of a color-stable composition containing cardanol and cardol including (a) subjecting crude, cashew nutshell liquid to distillation to obtain a distillate: (b) reacting the distillate with boric acid to obtain a reaction mixture; and (c) subjecting the reaction mixture to distillation is provided. A method for the production of color-stable phenalkamines including (a) subjecting crude, cashew nutshell liquid to distillation to obtain a distillate; (b) reacting the distillate with boric acid to obtain a reaction mixture; (c) subjecting the reaction mixture to distillation to obtain a main fraction; and (d) reacting the main fraction with an aliphatic amine and formaldehyde to form a color-stable phenalkamine is also provided.
    Type: Grant
    Filed: April 5, 2006
    Date of Patent: November 2, 2010
    Assignee: Cognis IP Management GmbH
    Inventors: Setsuo Sato, Wanderson Bueno de Almeida, Arnaldo Ferreira Filho, Ramiro Carielo Bueno
  • PROCESS FOR THE PRODUCTION OF CARDANOL
    Publication number: 20090281355
    Abstract: A process for the production of a color-stable composition containing cardanol and cardol including (a) subjecting crude, cashew nutshell liquid to distillation to obtain a distillate: (b) reacting the distillate with boric acid to obtain a reaction mixture; and (c) subjecting the reaction mixture to distillation is provided. A method for the production of color-stable phenalkamines including (a) subjecting crude, cashew nutshell liquid to distillation to obtain a distillate; (b) reacting the distillate with boric acid to obtain a reaction mixture; (c) subjecting the reaction mixture to distillation to obtain a main fraction; and (d) reacting the main fraction with an aliphatic amine and formaldehyde to form a color-stable phenalkamine is also provided.
    Type: Application
    Filed: April 5, 2006
    Publication date: November 12, 2009
    Inventors: Setsuo Sato, Wanderson Bueno De Almeida, Arnaldo Ferreira Filho, Ramiro Carielo Bueno