Title (en)

Overbased lithium salt lubricant additives and production thereof

Title (de)

Überbasische Litium-Salzschmiermittelzusätze und Verfahren zu deren Herstellung

Title (fr)

Sels de lithium surbasiques additifs pour lubrifiant et procédé de leurs production

Publication

EP 0731159 A3 19970521 (EN)

Application

EP 96301587 A 19960307

Priority

• US 39978395 A 19950307
• US 40015695 A 19950307

Abstract (en)

[origin: EP0731159A2] A lubricant additive concentrate which comprises a base oil of lubricating viscosity and: (a) at least one non-lithium oil-soluble overbased alkali or alkaline earth metal-containing overbased detergent; and (b) at least one oil-soluble overbased lithium salt detergent.

IPC 1-7

C10M 159/20; C10M 159/22; C10M 159/24; C10L 1/18; C10L 1/24

IPC 8 full level

C10L 10/00 (2006.01); C10M 159/20 (2006.01); C10M 159/22 (2006.01); C10M 159/24 (2006.01); C10M 167/00 (2006.01)

CPC (source: EP)

C10L 10/04 (2013.01); C10L 10/08 (2013.01); C10M 159/20 (2013.01); C10M 159/22 (2013.01); C10M 159/24 (2013.01); C10M 167/00 (2013.01); C10M 2207/028 (2013.01); C10M 2207/26 (2013.01); C10M 2207/262 (2013.01); C10M 2219/046 (2013.01); C10M 2219/089 (2013.01)

Citation (search report)

• [DX] US 3488284 A 19700106 - LESUER WILLIAM M, et al
• [X] US 3515669 A 19700602 - SUER WILLIAM M LE
• [X] GB 1513441 A 19780607 - INST FRANCAIS DU PETROLE
• [A] US 5256322 A 19931026 - COHU LINDA K [US]
• [AD] US 4797217 A 19890110 - CLEVERLEY JOHN A [GB]
• [A] FR 2246625 A1 19750502 - LUBRIZOL CORP [US]

Designated contracting state (EPC)

BE FR GB

DOCDB simple family (publication)

EP 0731159 A2 19960911; EP 0731159 A3 19970521

DOCDB simple family (application)

EP 96301587 A 19960307