EP 0663436 B1 20000906 - Dispersants for lubricating oil
Title (en)
Dispersants for lubricating oil
Title (de)
Dispergiermittel für Schmieröl
Title (fr)
Dispersants pour huile lubrifiante
Publication
Application
Priority
US 18304394 A 19940114
Abstract (en)
[origin: EP0663436A1] Novel dispersant compositions for lubricating oil are described. They exhibit little fluoroelastomer antagonism and are effective in controlling sludge, varnish and wear. The dispersants comprise two components. One is formed by reacting aminoguanidine with a long chain succinic acylating agent. The product may be borated if desired. The other component is formed by reacting (i) a succinic acylating agent and (ii) an alkylene polyamine, and then heating the resultant succinimide concurrently or in any sequence with (iii) a dicarboxylic acylating agent having less than 20 carbon atoms, and (iv) a boron compound to form a product having (1) a total base number of about 33-45 milligrams of KOH per gram of product, excluding weight of any solvent or diluent, and (2) a boron level of about 1.0-1.4 wt% excluding weight of any solvent or diluent.
IPC 1-7
IPC 8 full level
C10M 133/52 (2006.01); C10M 133/56 (2006.01); C10M 163/00 (2006.01); C10M 167/00 (2006.01); C10N 10/02 (2006.01); C10N 10/04 (2006.01); C10N 30/04 (2006.01); C10N 30/06 (2006.01); C10N 30/10 (2006.01); C10N 30/18 (2006.01); C10N 40/25 (2006.01); C10N 60/14 (2006.01)
CPC (source: EP US)
C10M 133/52 (2013.01 - EP US); C10M 133/56 (2013.01 - EP); C10M 137/10 (2013.01 - EP); C10M 159/20 (2013.01 - EP); C10M 163/00 (2013.01 - EP); C10M 167/00 (2013.01 - EP); C10M 2207/024 (2013.01 - EP); C10M 2207/026 (2013.01 - EP); C10M 2207/028 (2013.01 - EP); C10M 2207/123 (2013.01 - EP); C10M 2207/125 (2013.01 - EP); C10M 2207/129 (2013.01 - EP); C10M 2207/22 (2013.01 - EP); C10M 2207/26 (2013.01 - EP); C10M 2207/262 (2013.01 - EP); C10M 2207/289 (2013.01 - EP); C10M 2209/084 (2013.01 - EP); C10M 2209/086 (2013.01 - EP); C10M 2209/104 (2013.01 - EP); C10M 2215/04 (2013.01 - EP); C10M 2215/042 (2013.01 - EP); C10M 2215/064 (2013.01 - EP); C10M 2215/065 (2013.01 - EP); C10M 2215/08 (2013.01 - EP); C10M 2215/082 (2013.01 - EP); C10M 2215/086 (2013.01 - EP); C10M 2215/10 (2013.01 - EP); C10M 2215/22 (2013.01 - EP); C10M 2215/221 (2013.01 - EP); C10M 2215/225 (2013.01 - EP); C10M 2215/226 (2013.01 - EP); C10M 2215/24 (2013.01 - EP); C10M 2215/26 (2013.01 - EP); C10M 2215/28 (2013.01 - EP); C10M 2215/30 (2013.01 - EP); C10M 2217/046 (2013.01 - EP); C10M 2217/06 (2013.01 - EP); C10M 2219/022 (2013.01 - EP); C10M 2219/046 (2013.01 - EP); C10M 2219/087 (2013.01 - EP); C10M 2219/088 (2013.01 - EP); C10M 2219/089 (2013.01 - EP); C10M 2219/10 (2013.01 - EP); C10M 2219/102 (2013.01 - EP); C10M 2219/104 (2013.01 - EP); C10M 2219/106 (2013.01 - EP); C10M 2223/045 (2013.01 - EP); C10M 2223/065 (2013.01 - EP); C10M 2227/061 (2013.01 - EP); C10M 2229/02 (2013.01 - EP); C10M 2229/05 (2013.01 - EP); C10N 2010/02 (2013.01 - EP); C10N 2010/04 (2013.01 - EP); C10N 2010/12 (2013.01 - EP); C10N 2010/14 (2013.01 - EP); C10N 2010/16 (2013.01 - EP US); C10N 2040/25 (2013.01 - EP); C10N 2040/251 (2020.05 - EP); C10N 2040/252 (2020.05 - EP); C10N 2040/253 (2020.05 - EP); C10N 2040/255 (2020.05 - EP); C10N 2040/28 (2013.01 - EP); C10N 2070/02 (2020.05 - EP)
Designated contracting state (EPC)
BE DE ES FR GB IT
DOCDB simple family (publication)
EP 0663436 A1 19950719; EP 0663436 B1 20000906; AU 1015995 A 19950727; CA 2140168 A1 19950715; CA 2140168 C 20040601; DE 69518673 D1 20001012; DE 69518673 T2 20010523; JP 3920363 B2 20070530; JP H07252492 A 19951003
DOCDB simple family (application)
EP 95300225 A 19950113; AU 1015995 A 19950112; CA 2140168 A 19950113; DE 69518673 T 19950113; JP 1833695 A 19950111