公开(公告)号：ES2556203T3

公开(公告)日：2016-01-14

申请号：ES08705688

申请日：2008-01-04

Applicant: LUBRIZOL CORP

Inventor： GIESELMAN MATTHEW D ,  PUDELSKI JOHN K ,  EVELAND RENEE A ,  PRESTON ADAM J

IPC: C08F8/32 ,  C08F8/14 ,  C08F8/46 ,  C08F110/10 ,  C10M129/95 ,  C10M133/56

Abstract: Una composición que comprende el producto de reacción de (a) un agente acilante succínico sustituido con hidrocarbilo semi-succinado, preparado haciendo reaccionar un polialqueno que tiene un peso molecular promedio en número de entre 1300 y 5000 y un peso molecular promedio en peso/peso molecular promedio en número de al menos 1,5 con un reactivo dicarboxílico insaturado a una temperatura de 160 ºC hasta 240 ºC, en el que se usa un exceso de reactivo dicarboxílico de entre el 5 % y el 25 %; y (b) un componente poliol que comprende una función hidroxilo o uno de sus equivalentes reactivos; y (c) una amina aromática que contiene al menos un grupo -NH.

公开(公告)号：CA2920023A1

公开(公告)日：2015-02-12

申请号：CA2920023

申请日：2014-08-06

Applicant: LUBRIZOL CORP

Inventor： GIESELMAN MATTHEW D ,  COX ADAM ,  PROUST NICOLAS ,  SHAH MAYUR P ,  EVELAND RENEE A

IPC: C10M133/56 ,  C10M141/06 ,  C10M159/18 ,  C10M163/00

Abstract: The invention provides a lubricating composition containing an oil of lubricating viscosity and a dispersant treated with cobalt reagent. The invention further relates to methods of lubricating an internal combustion engine by supplying the described lubricating composition to the internal combustion engine. The invention further relates to the use of a dispersant treated with cobalt to reduce deposits on the inner surfaces of engine components.

公开(公告)号：CA2869333A1

公开(公告)日：2013-10-17

申请号：CA2869333

申请日：2013-04-08

Applicant: LUBRIZOL CORP

Inventor： GIESELMAN MATTHEW D ,  JONES JOANNE L ,  EVELAND RENEE A

IPC: C10M149/14 ,  C09K23/00

Abstract: The disclosed invention relates to a dispersant composition comprising at least one block derived from (i) a polyester of a hydroxy substituted carboxylic acid and at least one block derived from (ii) a polyalkylene glycol terminated by a amine group or a hydroxyl group. The invention also provides lubricating compositions containing the described dispersant as well as methods of making and using the described dispersant, including method of making the dispersant, methods of lubricating an engine with a lubricant containing the described dispersant, and methods of reducing sludge formation in an engine.

公开(公告)号：DE602005003933T2

公开(公告)日：2008-12-04

申请号：DE602005003933

申请日：2005-03-08

Applicant: LUBRIZOL CORP

Inventor： KOLP CHRISTOPHER ,  GIESELMAN MATT D ,  EVELAND RENEE A ,  PIKE PHILIP ,  PUDELSKI JOHN ,  COVITCH MICHAEL J ,  FRIEND CHRISTOPHER

IPC: C08F8/32 ,  C08F8/00 ,  C08F8/46 ,  C08F210/12 ,  C08F236/04 ,  C08F255/10 ,  C10M133/56 ,  C10M149/00 ,  C10M149/02 ,  C10M159/12 ,  C10M159/14

Abstract: A composition of the reaction product of (a) an isobutylene-diene copolymer having thereon groups containing carboxylic acid functionality or reactive equivalent thereof, derived from an α,&bgr;-unsaturated carboxylic compound; and (b) an amine component comprising at least one aromatic amine containing at least one N—H group capable of condensing with said carboxylic acid functionality, is a useful dispersant viscosity modifier.

公开(公告)号：CA2574969A1

公开(公告)日：2006-02-09

申请号：CA2574969

申请日：2005-07-29

Applicant: LUBRIZOL CORP

Inventor： FRIEND CHRISTOPHER ,  GIESELMAN MATT D ,  PUDELSKI JOHN K ,  COVITCH MICHAEL J ,  EVELAND RENEE A ,  GALIC RAGUZ MARY ,  SCHOBER BARTON J

IPC: C10M133/56 ,  C10M133/58 ,  C10M149/06 ,  C10M149/10 ,  C10M151/02

Abstract: Reaction of a carboxylic acid-containing polymer with certain aromatic amines results in dispersant viscosity modifiers with improved soot handling performance in heavy-duty diesel engines, compared with reaction with non-aromatic amines.

公开(公告)号：AU2004200870A1

公开(公告)日：2004-10-21

申请号：AU2004200870

申请日：2004-03-03

Applicant: LUBRIZOL CORP

Inventor： WILBY IAN R ,  BARR DOUGLAS M ,  DIETZ JEFFRY G ,  EVELAND RENEE A

IPC: C10M133/56 ,  C10M143/08