Global Patent Index - EP 0416914 B1

EP 0416914 B1 19930728 - LUBRICATING OIL COMPOSITIONS

Title (en)

LUBRICATING OIL COMPOSITIONS

Publication

EP 0416914 B1 19930728 (EN)

Application

EP 90309748 A 19900906

Priority

JP 23142689 A 19890908

Abstract (en)

[origin: EP0416914A1] A lubricating oil composition having excellent oxidation stability and reduced sludge formation which comprises (I) a base oil which is a mineral oil having an aromatic content of up to 30 wt.%, a synthetic oil having no aromatic rings in the structural units or a mixture thereof, and, as essential additives, (II) an N-p-alkylphenyl-alpha-naphthylamine and (III) a p,p min -dialkyldiphenylamine each in a specific minor amount.

IPC 1-7

C10M 133/12; C10M 169/04; C10N 30/10; C10N 40/00

IPC 8 full level

C10M 133/12 (2006.01); C10M 169/04 (2006.01); C10N 30/10 (2006.01); C10N 40/30 (2006.01)

CPC (source: EP KR)

C10M 133/12 (2013.01 - EP KR); C10M 169/04 (2013.01 - EP); C10M 2203/02 (2013.01 - EP); C10M 2203/022 (2013.01 - EP); C10M 2203/024 (2013.01 - EP); C10M 2203/04 (2013.01 - EP); C10M 2203/10 (2013.01 - EP); C10M 2203/104 (2013.01 - EP); C10M 2203/106 (2013.01 - EP); C10M 2205/026 (2013.01 - EP); C10M 2205/028 (2013.01 - EP); C10M 2207/281 (2013.01 - EP); C10M 2207/282 (2013.01 - EP); C10M 2207/283 (2013.01 - EP); C10M 2207/286 (2013.01 - EP); C10M 2207/289 (2013.01 - EP); C10M 2207/34 (2013.01 - EP); C10M 2209/104 (2013.01 - EP); C10M 2209/105 (2013.01 - EP); C10M 2215/06 (2013.01 - EP); C10M 2215/064 (2013.01 - EP); C10M 2215/065 (2013.01 - EP); C10M 2215/066 (2013.01 - EP); C10M 2215/067 (2013.01 - EP); C10M 2215/068 (2013.01 - EP); C10N 2020/01 (2020.05 - EP); C10N 2040/00 (2013.01 - EP); C10N 2040/02 (2013.01 - EP); C10N 2040/08 (2013.01 - EP); C10N 2040/135 (2020.05 - EP); C10N 2040/20 (2013.01 - EP); C10N 2040/22 (2013.01 - EP); C10N 2040/25 (2013.01 - EP); C10N 2040/251 (2020.05 - EP); C10N 2040/252 (2020.05 - EP); C10N 2040/253 (2020.05 - EP); C10N 2040/255 (2020.05 - EP); C10N 2040/28 (2013.01 - EP); C10N 2040/30 (2013.01 - EP); C10N 2040/32 (2013.01 - EP); C10N 2040/34 (2013.01 - EP); C10N 2040/36 (2013.01 - EP); C10N 2040/38 (2020.05 - EP); C10N 2040/40 (2020.05 - EP); C10N 2040/42 (2020.05 - EP); C10N 2040/44 (2020.05 - EP); C10N 2040/50 (2020.05 - EP)

C-Set (source: EP)

  1. C10M 2215/06 + C10M 2215/06
  2. C10M 2215/064 + C10M 2215/064
  3. C10M 2215/065 + C10M 2215/065
  4. C10M 2215/066 + C10M 2215/065
  5. C10M 2215/067 + C10M 2215/067
  6. C10M 2215/068 + C10M 2215/068

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0416914 A1 19910313; EP 0416914 B1 19930728; DE 69002426 D1 19930902; DE 69002426 T2 19940324; JP 2587296 B2 19970305; JP H0395297 A 19910419; KR 910021468 A 19911220; KR 930011077 B1 19931120

DOCDB simple family (application)

EP 90309748 A 19900906; DE 69002426 T 19900906; JP 23142689 A 19890908; KR 900014170 A 19900907