Global Patent Index - EP 0712922 B1

EP 0712922 B1 2000-02-23 - Process for improving lubricating base oil quality

Title (en)

Process for improving lubricating base oil quality

Title (de)

Verfahren zur Qualitätsverbesserung von Basisschmierölen

Title (fr)

Procédé pour améliorer la qualité d'huile lubrifiante de base

Publication

EP 0712922 B1 (EN)

Application

EP 95203127 A

Priority

  • EP 95203127 A
  • EP 94402602 A

Abstract (en)

[origin: EP0712922A2] Process for improving the quality of lubricating base oils, which process comprises contacting a lubricating base oil with dry activated carbon.

IPC 1-7 (main, further and additional classification)

C10G 25/00; C10G 67/06

IPC 8 full level (invention and additional information)

C10G 25/00 (2006.01); C10G 67/06 (2006.01)

CPC (invention and additional information)

C10G 67/06 (2013.01); C10G 25/00 (2013.01); C10G 25/003 (2013.01)

Citation (examination)

  • J.S. MATTSON, H.B. MARK,JR.: "Activated Carbon", MARCEL DECCKER INC., NEW-YORK, 1971
  • "Fluka guide", FLUKA CHEMIE AG, BUCHS (CH), 1997
  • A. CAPELLE, F. DE VOOYS: "Activated Carbon...a fascinating material", NORIT N.V., AMERSFOORT (NL), 1983

Designated contracting state (EPC)

BE DE FR GB IT NL

DOCDB simple family

EP 0712922 A2 19960522; EP 0712922 A3 19961023; EP 0712922 B1 20000223