Patents by Inventor José Ricardo Duarte De Carvalho

José Ricardo Duarte De Carvalho 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).

  • Anode, a process for the manufacture thereof and a process for the production of aluminum
    Publication number: 20020014404
    Abstract: The present invention refers to an anode composition comprising as binding agent the sugar cane molasses, mascavo sugar, brown sugar or demerara, VHP, crystal, refined or hard sugar, instead of the conventional electrolytic pitch. The composition may optionally include additives based on lithium, fluorine, aluminum, boron and sulfur, and is used in a process for the manufacture of anodes for the primary aluminum industry. The invention also refers to a process for the manufacture of said anode and the application thereof to the primary aluminum industry.
    Type: Application
    Filed: April 11, 2001
    Publication date: February 7, 2002
    Inventors: Jose Ricardo Duarte de Carvalho, Eduardo Baprista Sarcinelli, Deusa Maria Braga Dognini
  • Anode, a process for the manufacture thereof and a process for the production of aluminum
    Patent number: 6235184
    Abstract: The present invention refers to an anode composition comprising as binding agent the sugar cane molasses instead of the conventional electrolytic pitch. The composition may optionally include additives based on lithium, fluorine, aluminum, boron and sulfur, and is used in a process for the manufacture of anodes for the primary aluminum industry. The invention also refers to a process for the manufacture of said anode and the application thereof to the primary aluminum industry.
    Type: Grant
    Filed: July 28, 1998
    Date of Patent: May 22, 2001
    Assignee: Albras Aluminio Brasileiro S.A.
    Inventors: José Ricardo Duarte De Carvalho, Eduardo Baptista Sarcinelli, Deusa Maria Braga Dognini