Global Patent Index - EP 0535990 A1

EP 0535990 A1 19930407 - A lubricating oil composition.

Title (en)

A lubricating oil composition.

Title (de)

Schmierölzusammensetzung.

Title (fr)

Composition d'huile lubrifiante.

Publication

EP 0535990 A1 19930407 (EN)

Application

EP 92309033 A 19921002

Priority

JP 28408391 A 19911004

Abstract (en)

The lubricating oil composition of the present invention comprising an ester mixture as the main ingredient consisting of (A) 60 - 95 % by weight of an ester of a hindered alcohol with a straight-chain saturated fatty acid having 8 - 12 carbon atoms, and (B) 5 - 40 % by weight of a complex ester of a hindered alcohol with a straight-chain saturated fatty acid having 8 - 12 carbon atoms and also with a dibasic acid having 2 - 50 carbon atoms, the composition having excellent performances such as biodegradability, high-temperature engine cleanliness, lubricity and piston seizure preventiveness which are conductive to environmental protection.

IPC 1-7

C10M 105/32; C10M 111/02; C10M 169/04

IPC 8 full level

C10M 105/38 (2006.01); C10M 105/32 (2006.01); C10M 105/42 (2006.01); C10M 111/02 (2006.01); C10M 169/04 (2006.01); C10N 30/00 (2006.01); C10N 30/04 (2006.01); C10N 30/08 (2006.01); C10N 40/26 (2006.01); F02B 77/04 (2006.01)

CPC (source: EP)

C10M 101/02 (2013.01); C10M 105/02 (2013.01); C10M 105/32 (2013.01); C10M 105/38 (2013.01); C10M 105/42 (2013.01); C10M 111/02 (2013.01); C10M 133/12 (2013.01); C10M 133/16 (2013.01); C10M 133/56 (2013.01); C10M 145/14 (2013.01); C10M 159/20 (2013.01); C10M 159/22 (2013.01); C10M 159/24 (2013.01); C10M 169/048 (2013.01); C10M 2203/0206 (2013.01); C10M 2203/1006 (2013.01); C10M 2203/1025 (2013.01); C10M 2203/1045 (2013.01); C10M 2203/1065 (2013.01); C10M 2203/1085 (2013.01); C10M 2207/028 (2013.01); C10M 2207/26 (2013.01); C10M 2207/262 (2013.01); C10M 2207/2805 (2013.01); C10M 2207/281 (2013.01); C10M 2207/282 (2013.01); C10M 2207/283 (2013.01); C10M 2207/2835 (2013.01); C10M 2207/286 (2013.01); C10M 2207/301 (2013.01); C10M 2207/302 (2013.01); C10M 2207/345 (2013.01); C10M 2209/084 (2013.01); C10M 2215/04 (2013.01); C10M 2215/06 (2013.01); C10M 2215/064 (2013.01); C10M 2215/065 (2013.01); C10M 2215/066 (2013.01); C10M 2215/067 (2013.01); C10M 2215/068 (2013.01); C10M 2215/08 (2013.01); C10M 2215/082 (2013.01); C10M 2215/086 (2013.01); C10M 2215/12 (2013.01); C10M 2215/122 (2013.01); C10M 2215/26 (2013.01); C10M 2215/28 (2013.01); C10M 2217/046 (2013.01); C10M 2217/06 (2013.01); C10M 2219/044 (2013.01); C10M 2219/046 (2013.01); C10M 2219/089 (2013.01); C10N 2030/64 (2020.05); C10N 2040/02 (2013.01); C10N 2040/08 (2013.01); C10N 2040/20 (2013.01); C10N 2040/25 (2013.01); C10N 2040/251 (2020.05); C10N 2040/255 (2020.05); C10N 2040/26 (2013.01); C10N 2040/28 (2013.01); F02B 77/04 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT CH DE FR GB IT LI PT SE

DOCDB simple family (publication)

EP 0535990 A1 19930407; EP 0535990 B1 19970102; AT E147096 T1 19970115; CA 2079512 A1 19930405; DE 69216346 D1 19970213; JP 2872465 B2 19990317; JP H0598276 A 19930420

DOCDB simple family (application)

EP 92309033 A 19921002; AT 92309033 T 19921002; CA 2079512 A 19920930; DE 69216346 T 19921002; JP 28408391 A 19911004