Global Patent Index - EP 0211722 A1

EP 0211722 A1 19870225 - Sulfonated and sulfurized detergent dispersant additives for lubricant oils.

Title (en)

Sulfonated and sulfurized detergent dispersant additives for lubricant oils.

Title (de)

Sulfonierte und sulfurisierte Detergens Dispergierzusätze für Schmieröle.

Title (fr)

Nouveaux additifs détergents-dispersants sulfones et sulfurisés pour huiles lubrifiantes.

Publication

EP 0211722 A1 19870225 (FR)

Application

EP 86401497 A 19860704

Priority

FR 8510399 A 19850708

Abstract (en)

[origin: US4751010A] Disclosed are detergent-dispersant additives useful in lubricating oils prepared by neutralizing an alkylphenol sulfonic acid, followed by sulfurizing/over-alkalinizing the salt obtained and then carbonating the resultant salt. Lubricating compositions comprising a lubricating oil and from about 1 to about 30% by weight of the final composition of a detergent-dispersant additive of the invention are also disclosed.

Abstract (fr)

Additifs détergents-dispersants obtenus par neutralisation d'un acide alkylphénol sulfonique, suivie d'une sulfurisation-suralcalinisation du sel obtenu puis carbonatation. Compositions lubrifiantes contenant une huile lubrifiante et de 1 à 30% d'un additif détergent-dispersant ainsi obtenu.

IPC 1-7

C10M 159/24

IPC 8 full level

C10M 159/24 (2006.01); C10N 10/04 (2006.01); C10N 30/00 (2006.01); C10N 30/04 (2006.01); C10N 30/08 (2006.01); C10N 30/10 (2006.01); C10N 40/00 (2006.01); C10N 40/25 (2006.01)

CPC (source: EP US)

C10M 159/24 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

BE DE GB IT NL

DOCDB simple family (publication)

FR 2584414 A1 19870109; FR 2584414 B1 19871030; BR 8603151 A 19870224; CA 1269973 A 19900605; DE 3671469 D1 19900628; EP 0211722 A1 19870225; EP 0211722 B1 19900523; JP H07116460 B2 19951213; JP S6284191 A 19870417; MX 26908 A 19940131; US 4751010 A 19880614

DOCDB simple family (application)

FR 8510399 A 19850708; BR 8603151 A 19860707; CA 513221 A 19860707; DE 3671469 T 19860704; EP 86401497 A 19860704; JP 15801886 A 19860707; MX 2690886 A 19860703; US 88216986 A 19860707