Global Patent Index - EP 0743351 B1

EP 0743351 B1 2000-08-09 - Process for the preparation of lubricating base oils

Title (en)

Process for the preparation of lubricating base oils

Title (de)

Verfahren zur Herstellung von Basisschmierölen

Title (fr)

Procédé de préparation d'huiles de base lubrificante

Publication

EP 0743351 B1 (EN)

Application

EP 96201338 A

Priority

  • EP 96201338 A
  • EP 95401178 A

Abstract (en)

[origin: EP0743351A2] Process for the preparation of a lubricating base oil comprising the steps of: (a) contacting a hydrocarbon oil feed in a first stage with hydrogen in the presence of a catalyst comprising at least one Group VIII noble metal component on an refractory oxide support; (b) contacting the liquid effluent in a second stage with hydrogen in the presence of a hydroconversion catalyst under hydroconversion conditions, and (c) recovering at least one lubricating base oil having a viscosity index of at least 80.

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

C10G 65/12

IPC 8 full level (invention and additional information)

C10G 65/08 (2006.01)

CPC (invention and additional information)

C10G 65/08 (2013.01)

Designated contracting state (EPC)

DE FR GB IT NL

EPO simple patent family

EP 0743351 A2 19961120; EP 0743351 A3 19970122; EP 0743351 B1 20000809

INPADOC legal status


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2002-01-01 [REG GB IF02] EUROPEAN PATENT IN FORCE AS OF 2002-01-01

2001-07-25 [26N] NO OPPOSITION FILED

2000-09-29 [ET] FR: TRANSLATION FILED

2000-09-14 [REF] CORRESPONDS TO:

- Document: DE 69609661 20000914

2000-08-29 [ITF] IT: TRANSLATION FOR A EP PATENT FILED

- Owner name: JACOBACCI & PERANI S.P.A.

2000-08-09 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): DE FR GB IT NL

1999-03-10 [17Q] FIRST EXAMINATION REPORT

- Effective date: 19990126

1997-08-06 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19970609

1997-01-22 [AK] DESIGNATED CONTRACTING STATES:

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