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1 247 852 documents amended

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EP 0211689 B1 19900627 - DETERMINATION OF METAL SOURCE IN USED OIL

Title (en)

DETERMINATION OF METAL SOURCE IN USED OIL

Publication

EP 0211689 B1 19900627 (EN)

Application

EP 86306424 A 19860819

Priority

US 8700211 W 19870130
US 76774485 A 19850821

Abstract (en)

[origin: EP0211689A2] A tracer metal, which is not present in engine parts subject to wear, is used to ascertain the source of metals in used oil as between lubricating oil additives and other sources, particularly wear of engine parts.

IPC 1-7

C10M 177/00; G01N 33/28; F01M 11/10

IPC 8 full level

C10M 177/00 (2006.01)

CPC (source: EP)

C10M 177/00 (2013.01)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 0211689 A2 19870225; EP 0211689 A3 19871209; EP 0211689 B1 19900627

DOCDB simple family (application)

EP 86306424 A 19860819