Patents by Inventor Roberto Lopes Carvalho

Roberto Lopes 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).

  • Process for the production of aviation biokerosene and aviation kerosene composition
    Patent number: 9347021
    Abstract: The present invention relates to a process of obtainment of aviation biokerosene and a composition of aviation kerosene containing the aviation biokerosene thus produced. The process consists of simultaneously combining three basic conditions: raw material selection, processing conditions, and control of specific properties of the product. The composition is classified as a semisynthetic composition of aviation kerosene and may contain up to 20% by weight of aviation biokerosene, satisfying the limits determined in the international specifications for aviation kerosene.
    Type: Grant
    Filed: April 7, 2011
    Date of Patent: May 24, 2016
    Assignee: PETROLEO BRASILEIRO S.A.—PETROBRAS
    Inventors: Jose Antonio Vidal Vieira, Mauro Iurk Rocha, Roberto Lopes Carvalho, Marcelo Vieira Alves
  • PROCESS FOR THE PRODUCTION OF AVIATION BIOKEROSENE AND AVIATION KEROSENE COMPOSITION
    Publication number: 20130055624
    Abstract: The present invention relates to a process of obtainment of aviation biokerosene and a composition of aviation kerosene containing the aviation biokerosene thus produced. The process consists of simultaneously combining three basic conditions: raw material selection, processing conditions, and control of specific properties of the product. The composition is classified as a semisynthetic composition of aviation kerosene and may contain up to 20% by weight of aviation biokerosene, satisfying the limits determined in the international specifications for aviation kerosene.
    Type: Application
    Filed: April 5, 2011
    Publication date: March 7, 2013
    Applicant: PETROLEO BRASILEIRO S.A. - PETROBRAS
    Inventors: Jose Antonio Vidal Vieira, Mauro Iurk Rocha, Roberto Lopes Carvalho, Marcelo Vieira Alves