Global Patent Index - EP 3820978 B1

EP 3820978 B1 20220824 - ENVIRONMENTALLY FRIENDLY LUBRICATING GREASE FOR STEEL ROPES

Title (en)

ENVIRONMENTALLY FRIENDLY LUBRICATING GREASE FOR STEEL ROPES

Title (de)

UMWELTVERTRÄGLICHES SCHMIERFETT FÜR STAHLSEILE

Title (fr)

GRAISSE LUBRIFIANTE ÉCOLOGIQUE DESTINÉE À DES CÂBLES EN ACIER

Publication

EP 3820978 B1 20220824 (DE)

Application

EP 19740328 A 20190709

Priority

  • DE 102018005397 A 20180709
  • DE 102018008362 A 20181023
  • EP 2019068344 W 20190709

Abstract (en)

[origin: WO2020011758A1] The invention relates to an environmentally friendly lubricating grease for steel ropes, in particular zinc-plated steel ropes, comprising: 50 wt.% to 90 wt.% of a biodegradable base stock, in particular of a biodegradable ester as the base stock, b) 3 wt.% to 25 wt.% and/or 7 wt.% to 20 wt.% of a thickening agent selected from b1) 3 wt.% to 12 wt.% biodegradable calcium soap, b2) 3 wt.% to 25 wt.% and/or 3.5 wt.% to 20 wt.% and/or 4 wt.% to 12 wt.% bentonite, b3) and mixtures thereof, c) 4 wt.% to 40 wt.%, preferably 7 wt.% to 40 wt.% additives, comprising c1) 1 wt.% to 12 wt.% and/or 4 wt.% to 12 wt.% pyrogenic silicon dioxide and/or polytetrafluoroethylene and mixtures thereof, c2) 2 wt.% to 45 wt.% and/or 2 wt.% to 25 wt.% of a polymer selected from polyisobutylene, polyisobutylene-/butene copolymer, polymethacrylates, polyesters, preferably complex esters, in particular complex esters of neopentylglycol/dimeric acid/2-ethylhexanol and mixtures thereof, and c3) 0.5 wt.% to 20 wt.% and/or 1 wt.% to 10 wt.% of a solid lubricant.

IPC 8 full level

C10M 169/06 (2006.01); C10N 10/02 (2006.01); C10N 10/04 (2006.01); C10N 20/00 (2006.01); C10N 20/02 (2006.01); C10N 30/00 (2006.01); C10N 30/08 (2006.01); C10N 30/12 (2006.01); C10N 40/32 (2006.01); C10N 50/08 (2006.01); C10N 50/10 (2006.01)

CPC (source: EP KR US)

C10M 107/32 (2013.01 - US); C10M 117/04 (2013.01 - US); C10M 125/10 (2013.01 - US); C10M 125/30 (2013.01 - US); C10M 143/06 (2013.01 - US); C10M 169/06 (2013.01 - EP KR US); C10M 2201/062 (2013.01 - EP KR US); C10M 2201/065 (2013.01 - EP KR US); C10M 2201/1036 (2013.01 - EP KR); C10M 2201/105 (2013.01 - EP KR); C10M 2205/026 (2013.01 - EP KR US); C10M 2207/026 (2013.01 - EP KR); C10M 2207/126 (2013.01 - EP KR); C10M 2207/127 (2013.01 - EP KR); C10M 2207/1285 (2013.01 - EP KR); C10M 2207/281 (2013.01 - US); C10M 2207/2835 (2013.01 - EP KR); C10M 2207/30 (2013.01 - EP KR); C10M 2209/084 (2013.01 - EP KR); C10M 2209/1023 (2013.01 - US); C10M 2209/1033 (2013.01 - EP KR); C10M 2213/062 (2013.01 - EP KR); C10M 2219/044 (2013.01 - EP KR); C10N 2010/04 (2013.01 - US); C10N 2020/02 (2013.01 - EP KR US); C10N 2020/081 (2020.05 - EP KR US); C10N 2030/08 (2013.01 - EP KR US); C10N 2030/12 (2013.01 - EP KR US); C10N 2030/52 (2020.05 - EP KR); C10N 2030/64 (2020.05 - EP KR US); C10N 2030/66 (2020.05 - EP KR); C10N 2030/74 (2020.05 - EP KR US); C10N 2040/32 (2013.01 - EP KR US); C10N 2050/10 (2013.01 - EP KR US)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

DE 102018008362 A1 20200109; AU 2019301866 A1 20201203; AU 2019301866 B2 20211125; AU 2019301866 C1 20220609; BR 112020025205 A2 20210330; BR 112020025205 B1 20231031; CN 112424325 A 20210226; CN 112424325 B 20220909; DK 3820978 T3 20221114; EP 3820978 A1 20210519; EP 3820978 B1 20220824; JP 2021535231 A 20211216; JP 7095124 B2 20220704; KR 102555949 B1 20230714; KR 20210005903 A 20210115; SG 11202100005W A 20210225; US 11421181 B2 20220823; US 2021277323 A1 20210909; WO 2020011758 A1 20200116

DOCDB simple family (application)

DE 102018008362 A 20181023; AU 2019301866 A 20190709; BR 112020025205 A 20190709; CN 201980045743 A 20190709; DK 19740328 T 20190709; EP 19740328 A 20190709; EP 2019068344 W 20190709; JP 2020571782 A 20190709; KR 20207033557 A 20190709; SG 11202100005W A 20190709; US 201917258456 A 20190709