PROCESS FOR REDUCING THE NAPHTHENIC ACIDITY OF PETROLEUM OILS

Details for Australian Patent Application No. 2003244845 (hide)

Owner PETROLEO BRASILEIRO S.A.- PETROBRAS

Inventors PRAVIA, Oscar, Rene, Chamberlain; CERQUEIRA, Henrique, Soares; MOREIRA, Elizabeth, Marques; BAPTISTA, Claudia, Maria de Lacerda, Alvarenga; GOMES, Jefferson, Roberto; BUGUETA, Paulo, Cesar, Peixoto

Pub. Number AU-A-2003244845

PCT Number PCT/GB03/02921

PCT Pub. Number WO2004/005434

Priority PI 0202 552-3 05.07.02 BR

Filing date 7 July 2003

Wipo publication date 23 January 2004

International Classifications

C10G 025/00 Refining of hydrocarbon oils, in the absence of hydrogen, with solid sorbents

Event Publications

25 September 2003 Complete Application Filed

  Priority application(s): PI 0202 552-3 05.07.02 BR

11 March 2004 Application Open to Public Inspection

  Published as AU-A-2003244845

7 April 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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