Global Patent Index - EP 0264842 A3

EP 0264842 A3 19890322 - USE OF CARBOXYLIC-ACID ESTERS IN COMPLETELY OR PARTIALLY SYNTHETIC LUBRICANTS, AND LUBRICANTS CONTAINING THEM

Title (en)

USE OF CARBOXYLIC-ACID ESTERS IN COMPLETELY OR PARTIALLY SYNTHETIC LUBRICANTS, AND LUBRICANTS CONTAINING THEM

Publication

EP 0264842 A3 19890322 (DE)

Application

EP 87115127 A 19871016

Priority

DE 3635490 A 19861018

Abstract (en)

[origin: US4790957A] This invention relates to aliphatic or aromatic polycarboxylic acid esters as defined herein which are useful as base oils alone in lubricating oil compositions or in admixture with completely synthetic, partially synthetic, or mineral oil-based lubricant compositions.

IPC 1-7

C10M 105/36; C10M 111/00

IPC 8 full level

C10M 105/36 (2006.01); C10M 111/00 (2006.01)

CPC (source: EP US)

C10M 105/36 (2013.01 - EP US); C10M 111/00 (2013.01 - EP US); C10M 2207/2825 (2013.01 - EP US); C10M 2207/2855 (2013.01 - EP US); C10M 2227/061 (2013.01 - EP US)

Citation (search report)

  • [Y] EP 0157583 A2 19851009 - BP CHEM INT LTD [GB]
  • [YD] US 4155861 A 19790522 - DISTELDORF JOSEF [DE], et al
  • [X] ERDOEL & KOHLE ERDGAS. PETROCHEMIE, Band 37, Nr. 11, November 1984, Seiten 511-514, Leinfelden-Echterdingen, DE; F. DEBUAN et al.: "Aliphatische Dicarbons{ureester für synthetische Schmieröle"
  • [XD] SYNTHETIC LUBRICANTS, 1962, Reinhold Publ. Co., Kapitel 5, Seiten 151-245; W.G. DUKEK et al.: "Dibasic acid esters"

Designated contracting state (EPC)

AT BE DE FR GB IT SE

DOCDB simple family (publication)

EP 0264842 A2 19880427; EP 0264842 A3 19890322; EP 0264842 B1 19901219; AT E59202 T1 19910115; CA 1276649 C 19901120; DE 3635490 A1 19880421; DE 3766793 D1 19910131; US 4790957 A 19881213

DOCDB simple family (application)

EP 87115127 A 19871016; AT 87115127 T 19871016; CA 549377 A 19871015; DE 3635490 A 19861018; DE 3766793 T 19871016; US 10639087 A 19871009