Global Patent Index - EP 0162890 B1

EP 0162890 B1 19890823 - DEPOSIT CONTROL ADDITIVES - HYDROXY POLYETHER POLYAMINES

Title (en)

DEPOSIT CONTROL ADDITIVES - HYDROXY POLYETHER POLYAMINES

Publication

EP 0162890 B1 19890823 (EN)

Application

EP 84904244 A 19841030

Priority

  • US 54755883 A 19831031
  • US 54755983 A 19831031

Abstract (en)

[origin: WO8501956A1] Additives providing dispersancy and detergency in lubricating oils and for the control of deposits in the intake systems of engines when used in fuel. The additives comprise hydroxy polyether amines of general formula (I), wherein R' and R'' independently are selected from the group consisting of hydrogen and alkyl groups having from 1 to 4 carbon atoms, and where at least one of R' and R'' has at least 2 carbon atoms; R''' and R<IV> independently are hydrogen or methyl; R<V> and R<VI> independently are hydrogen or <IMAGE> where Z is an integer from 1 to 5; and x and y independently are integers from 1 to 30.

IPC 1-7

C07C 93/04; C10L 1/22; C10M 133/08; C10M 149/16

IPC 8 full level

C10L 1/222 (2006.01); C10M 133/08 (2006.01)

CPC (source: EP)

C10L 1/2225 (2013.01); C10M 133/08 (2013.01); C10M 2215/042 (2013.01); C10N 2040/25 (2013.01); C10N 2040/251 (2020.05); C10N 2040/255 (2020.05); C10N 2040/28 (2013.01); C10N 2070/02 (2020.05)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

WO 8501956 A1 19850509; DE 3479515 D1 19890928; EP 0162890 A1 19851204; EP 0162890 A4 19860821; EP 0162890 B1 19890823

DOCDB simple family (application)

US 8401759 W 19841030; DE 3479515 T 19841030; EP 84904244 A 19841030