Global Patent Index - EP 0063631 A1

EP 0063631 A1 19821103 - Detergent-dispersant composition for lubricating or fuel oils.

Title (en)

Detergent-dispersant composition for lubricating or fuel oils.

Title (de)

Detergent-Dispersant-Zusammensetzung für Schmier- und Heizöle.

Title (fr)

Composition détergente et dispersante pour huiles lubrifiantes et combustibles.

Publication

EP 0063631 A1 19821103 (EN)

Application

EP 81103229 A 19810429

Priority

EP 81103229 A 19810429

Abstract (en)

This invention relates to a detergent-dispersant composition for lubricating or fuel oils, The composition consists essentially of (a) an amount effective as a detergent-dispersant of a hydrotalcite having a specific surface area, determined by the BET method, of up to about 60 m<2>/g and an average secondary particle size of up to about 5 microns, the hydrotalcite particles being untreated or surface-treated with an anionic surface-active agent, and the hydrotalcite being represented by the following formula MgxAl2(OH)6+2x-2y(CO3)y.mH2O wherein x is a positive number represented by 3 < x < 20, y is a positive number represented by 0 < y < 2, and m is a positive number of up to 7, and (b) a hydrophobic dispersant or diluent.

IPC 1-7

C10M 1/10; C10L 1/12

IPC 8 full level

C10L 1/12 (2006.01); C10M 125/10 (2006.01)

CPC (source: EP)

C10L 1/1233 (2013.01); C10M 125/10 (2013.01); C10M 2201/062 (2013.01); C10M 2201/063 (2013.01); C10M 2219/044 (2013.01); C10N 2010/04 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 0063631 A1 19821103; EP 0063631 B1 19850904; DE 3172108 D1 19851010

DOCDB simple family (application)

EP 81103229 A 19810429; DE 3172108 T 19810429